author | Claus Gittinger <cg@exept.de> |
Fri, 17 Feb 2006 14:11:48 +0100 | |
changeset 9130 | 07e7a292aa76 |
parent 9127 | 04cd80c64a30 |
child 9138 | a43f3145527f |
permissions | -rw-r--r-- |
1 | 1 |
" |
5 | 2 |
COPYRIGHT (c) 1988 by Claus Gittinger |
5322 | 3 |
All Rights Reserved |
1 | 4 |
|
5 |
This software is furnished under a license and may be used |
|
6 |
only in accordance with the terms of that license and with the |
|
7 |
inclusion of the above copyright notice. This software may not |
|
8 |
be provided or otherwise made available to, or used by, any |
|
9 |
other person. No title to or ownership of the software is |
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10 |
hereby transferred. |
|
11 |
" |
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||
5360 | 13 |
"{ Package: 'stx:libbasic' }" |
14 |
||
1 | 15 |
ArithmeticValue subclass:#Number |
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16 |
instanceVariableNames:'' |
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classVariableNames:'DecimalPointCharacter DecimalPointCharacterForPrinting |
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18 |
DecimalPointCharacters DecimalPointCharactersForReading' |
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parents:
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19 |
poolDictionaries:'' |
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added generic implementations of #fractionPart and #integerPart
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parents:
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20 |
category:'Magnitude-Numbers' |
1 | 21 |
! |
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||
1892 | 23 |
!Number class methodsFor:'documentation'! |
88 | 24 |
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copyright |
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" |
|
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COPYRIGHT (c) 1988 by Claus Gittinger |
|
5322 | 28 |
All Rights Reserved |
1 | 29 |
|
88 | 30 |
This software is furnished under a license and may be used |
31 |
only in accordance with the terms of that license and with the |
|
32 |
inclusion of the above copyright notice. This software may not |
|
33 |
be provided or otherwise made available to, or used by, any |
|
34 |
other person. No title to or ownership of the software is |
|
35 |
hereby transferred. |
|
36 |
" |
|
37 |
! |
|
1 | 38 |
|
88 | 39 |
documentation |
40 |
" |
|
41 |
abstract superclass for all kinds of numbers |
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1295 | 42 |
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[class variables:] |
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parents:
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DecimalPointCharacterForPrinting <Character> used when printing |
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parents:
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|
45 |
DecimalPointCharactersForReading <Collection of Character> accepted as decimalPointChars when reading |
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parents:
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46 |
|
1295 | 47 |
[author:] |
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48 |
Claus Gittinger |
1628 | 49 |
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50 |
[see also:] |
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|
51 |
Integer LargeInteger SmallInteger |
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LimitedPrecisionReal Float ShortFloat |
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53 |
Fraction FixedPoint |
88 | 54 |
" |
55 |
! ! |
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1 | 56 |
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!Number class methodsFor:'instance creation'! |
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fromString:aString |
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"for compatibility with other smalltalks - same as #readFrom:" |
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61 |
||
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|s num| |
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|
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s := aString readStream. |
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num := self readFrom:s onError:[^ self error:'invalid number']. |
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s atEnd ifFalse:[^ self error:'garbage at end of number']. |
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^ num. |
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" |
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Number fromString:'12345' |
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Number fromString:'abc' |
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Number fromString:'1abc' |
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'12345' asNumber |
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"Modified: / 3.8.1998 / 20:05:11 / cg" |
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! |
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fromString:aString onError:exceptionBlock |
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"for compatibility with other smalltalks - same as #readFrom:" |
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^ self readFrom:aString onError:exceptionBlock |
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Number fromString:'12345' onError:0 |
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Number fromString:'fooBarBaz' onError:0 |
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" |
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"Modified: / 3.8.1998 / 20:05:34 / cg" |
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! |
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readFrom:aStringOrStream onError:exceptionBlock |
1 | 93 |
"return the next Number from the (character-)stream aStream; |
202 | 94 |
skipping all whitespace first; return the value of exceptionBlock, |
7356 | 95 |
if no number can be read. |
96 |
This method is less strict than the smalltalk number reader; it |
|
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allows for prefixed + and also allows missing fractional part after eE" |
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1 | 98 |
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^ [ |
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|value intValue mantissaAndScale scale decimalPointCharacters decimalMantissa str |
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nextChar radix negative signExp exp denom| |
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decimalPointCharacters := self decimalPointCharactersForReading. |
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str := aStringOrStream readStream. |
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nextChar := str skipSeparators. |
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nextChar isNil ifTrue:[^ exceptionBlock value]. |
3 | 109 |
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(nextChar == $-) ifTrue:[ |
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negative := true. |
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str next. |
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nextChar := str peekOrNil |
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114 |
] ifFalse:[ |
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parents:
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115 |
negative := false. |
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116 |
(nextChar == $+) ifTrue:[ |
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117 |
str next. |
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nextChar := str peekOrNil |
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] |
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120 |
]. |
8301 | 121 |
(nextChar isDigit or:[(decimalPointCharacters includes:nextChar)]) ifFalse:[ |
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122 |
^ exceptionBlock value. |
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123 |
"/ value := super readFrom:str. |
339 | 124 |
"/ negative ifTrue:[value := value negated]. |
125 |
"/ ^ value |
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126 |
]. |
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(decimalPointCharacters includes:nextChar) ifTrue:[ |
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128 |
radix := 10. |
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|
129 |
value := 0.0. |
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130 |
intValue := 0. |
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] ifFalse:[ |
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132 |
value := Integer readFrom:str radix:10. |
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133 |
nextChar := str peekOrNil. |
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134 |
((nextChar == $r) or:[ nextChar == $R]) ifTrue:[ |
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135 |
str next. |
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|
136 |
radix := value. |
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|
137 |
value := Integer readFrom:str radix:radix. |
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] ifFalse:[ |
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|
139 |
radix := 10 |
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140 |
]. |
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|
141 |
intValue := value. |
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142 |
]. |
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allow for degenerate float to be read
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143 |
|
8301 | 144 |
(decimalPointCharacters includes:nextChar) ifTrue:[ |
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145 |
str next. |
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parents:
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|
146 |
nextChar := str peekOrNil. |
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|
147 |
decimalMantissa := 0. |
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|
148 |
(nextChar notNil and:[nextChar isDigitRadix:radix]) ifTrue:[ |
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|
149 |
mantissaAndScale := Number readMantissaAndScaleFrom:str radix:radix. |
9ed8494c9f10
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parents:
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|
150 |
value := value asFloat + (mantissaAndScale first). |
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|
151 |
nextChar := str peekOrNil |
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152 |
] |
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153 |
]. |
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|
154 |
('eEdDqQ' includes:nextChar) ifTrue:[ |
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|
155 |
str next. |
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|
156 |
nextChar := str peekOrNil. |
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|
157 |
signExp := 1. |
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|
158 |
(nextChar == $+) ifTrue:[ |
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|
159 |
str next. |
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parents:
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|
160 |
nextChar := str peekOrNil. |
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Avoid creation of block in #readFrom:onError:
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parents:
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|
161 |
] ifFalse:[ |
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Avoid creation of block in #readFrom:onError:
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parents:
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|
162 |
(nextChar == $-) ifTrue:[ |
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parents:
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|
163 |
str next. |
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parents:
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|
164 |
nextChar := str peekOrNil. |
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|
165 |
signExp := -1 |
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|
166 |
] |
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|
167 |
]. |
7356 | 168 |
('qQ' includes:nextChar) ifTrue:[ |
169 |
value := value asLongFloat. |
|
170 |
] ifFalse:[ |
|
171 |
value := value asFloat. |
|
172 |
"/ future: (for now, always create Doubles for Dolphin,Squeak etc. compatibility |
|
173 |
"/ ('eE' includes:nextChar) ifTrue:[ |
|
174 |
"/ value := value asShortFloat |
|
175 |
"/ ] |
|
176 |
]. |
|
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|
177 |
(nextChar notNil and:[(nextChar isDigitRadix:radix)]) ifTrue:[ |
7356 | 178 |
exp := (Integer readFrom:str radix:radix) * signExp. |
179 |
value := value * ((value class unity * 10.0) raisedToInteger:exp) |
|
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180 |
] |
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|
181 |
] ifFalse:[ |
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6702
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|
182 |
('s' includes:nextChar) ifTrue:[ |
9130
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|
183 |
str next. |
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|
184 |
|
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|
185 |
nextChar := str peekOrNil. |
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|
186 |
(nextChar notNil and:[(nextChar isDigitRadix:radix)]) ifTrue:[ |
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|
187 |
scale := (Integer readFrom:str radix:10). |
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|
188 |
]. |
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|
189 |
|
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|
190 |
mantissaAndScale isNil ifTrue:[ |
9130
07e7a292aa76
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|
191 |
value := intValue asFixedPoint:(scale ? 0). |
6899
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|
192 |
] ifFalse:[ |
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|
193 |
denom := 10 raisedTo:mantissaAndScale last. |
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|
194 |
value := FixedPoint |
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|
195 |
numerator:(intValue * denom) + (mantissaAndScale second) |
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|
196 |
denominator:denom |
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|
197 |
scale:(scale ? mantissaAndScale last). |
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|
198 |
]. |
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|
199 |
] ifFalse:[ |
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|
200 |
value isLimitedPrecisionReal ifTrue:[ |
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|
201 |
value := value asFloat. |
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|
202 |
] |
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|
203 |
]. |
6632
65014fd967d9
Avoid creation of block in #readFrom:onError:
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|
204 |
]. |
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|
205 |
negative ifTrue:[ |
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|
206 |
value := value negated |
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|
207 |
]. |
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|
208 |
value. |
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|
209 |
] on:Error do:exceptionBlock |
1 | 210 |
|
329 | 211 |
" |
212 |
Number readFrom:(ReadStream on:'54.32e-01') |
|
213 |
Number readFrom:(ReadStream on:'12345678901234567890') |
|
7356 | 214 |
Number readFrom:(ReadStream on:'12345678901234567890.0') |
215 |
Number readFrom:(ReadStream on:'12345678901234567890.012345678901234567890') |
|
329 | 216 |
Number readFrom:(ReadStream on:'16rAAAAFFFFAAAAFFFF') |
569
7134eb78cf48
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diff
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|
217 |
Number readFrom:'16rAAAAFFFFAAAAFFFF' |
7134eb78cf48
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diff
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|
218 |
Number readFrom:'0.000001' |
329 | 219 |
'+00000123.45' asNumber |
6899
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|
220 |
Number readFrom:'99s' |
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|
221 |
Number readFrom:'99.00s' |
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|
222 |
Number readFrom:'99.0000000s' |
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changeset
|
223 |
Number readFrom:'.0000000s' |
7356 | 224 |
Number readFrom:'.0000000q' |
225 |
Number readFrom:'.0000000f' |
|
226 |
Number readFrom:'.0000000e' |
|
227 |
Number readFrom:'.0000000s1' |
|
228 |
Number readFrom:'.0000000q1' |
|
229 |
Number readFrom:'.0000000f1' |
|
230 |
Number readFrom:'.0000000e1' |
|
8301 | 231 |
|
9127
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|
232 |
DecimalPointCharactersForReading := #( $. $, ). |
8301 | 233 |
Number readFrom:'99,00' |
234 |
||
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|
235 |
DecimalPointCharactersForReading := #( $. ). |
8301 | 236 |
Number readFrom:'99,00' |
329 | 237 |
" |
569
7134eb78cf48
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|
238 |
|
3375
7c64da3964e4
faster conversion from string (due to slow #pastEnd)
Claus Gittinger <cg@exept.de>
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3060
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|
239 |
"Modified: / 14.4.1998 / 19:22:50 / cg" |
296 | 240 |
! |
241 |
||
242 |
readSmalltalkSyntaxFrom:aStream |
|
243 |
"ST-80 compatibility (thanks to a note from alpha testers) |
|
244 |
read and return the next Number in smalltalk syntax from the |
|
7356 | 245 |
(character-) aStream. |
246 |
Returns nil if aStream contains no valid number." |
|
329 | 247 |
|
3613
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fixed readSmalltalkSyntax (dont read behind number)
Claus Gittinger <cg@exept.de>
parents:
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|
248 |
^ Scanner scanNumberFrom:aStream |
75629df7f224
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|
249 |
"/ ^ Compiler evaluate:aStream compile:false "/ self readFrom:aStream. |
296 | 250 |
|
329 | 251 |
" |
6899
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|
252 |
Number readSmalltalkSyntaxFrom:'99d' |
9ed8494c9f10
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diff
changeset
|
253 |
Number readSmalltalkSyntaxFrom:'99.00d' |
329 | 254 |
Number readSmalltalkSyntaxFrom:(ReadStream on:'54.32e-01') |
255 |
Number readSmalltalkSyntaxFrom:(ReadStream on:'12345678901234567890') |
|
256 |
Number readSmalltalkSyntaxFrom:(ReadStream on:'16rAAAAFFFFAAAAFFFF') |
|
257 |
Number readSmalltalkSyntaxFrom:(ReadStream on:'(1/10)') |
|
258 |
Number readFrom:(ReadStream on:'(1/10)') |
|
259 |
Number readSmalltalkSyntaxFrom:(ReadStream on:'+00000123.45') |
|
260 |
Number readFrom:(ReadStream on:'+00000123.45') |
|
5013 | 261 |
|
262 |
|s| |
|
263 |
s := ReadStream on:'2.'. |
|
264 |
Number readSmalltalkSyntaxFrom:s. |
|
265 |
s next |
|
266 |
||
267 |
|s| |
|
268 |
s := ReadStream on:'2.0.'. |
|
269 |
Number readSmalltalkSyntaxFrom:s. |
|
270 |
s next |
|
329 | 271 |
" |
3613
75629df7f224
fixed readSmalltalkSyntax (dont read behind number)
Claus Gittinger <cg@exept.de>
parents:
3394
diff
changeset
|
272 |
|
5013 | 273 |
"Modified: / 19.11.1999 / 18:26:47 / cg" |
1 | 274 |
! ! |
701 | 275 |
|
7729
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
276 |
!Number class methodsFor:'constants'! |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
277 |
|
8301 | 278 |
decimalPointCharacter |
279 |
"printed" |
|
280 |
||
9127
04cd80c64a30
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Claus Gittinger <cg@exept.de>
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diff
changeset
|
281 |
<resource: #obsolete> |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
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changeset
|
282 |
|
04cd80c64a30
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diff
changeset
|
283 |
^ self decimalPointCharacterForPrinting |
8301 | 284 |
! |
285 |
||
8303 | 286 |
decimalPointCharacter:aCharacter |
287 |
"printed" |
|
288 |
||
9127
04cd80c64a30
decimapPointCharacter stuff;
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changeset
|
289 |
<resource: #obsolete> |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
290 |
|
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
291 |
self decimalPointCharacterForPrinting:aCharacter |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
292 |
|
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
293 |
" |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
294 |
1.5 printString |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
295 |
|
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
296 |
Number decimalPointCharacter:$,. |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
297 |
1.5 printString |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
298 |
Number decimalPointCharacter:$.. |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
299 |
" |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
300 |
! |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
301 |
|
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
302 |
decimalPointCharacterForPrinting |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
303 |
"printed" |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
304 |
|
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
305 |
DecimalPointCharacterForPrinting isNil ifTrue:[ |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
306 |
^ $. |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
307 |
]. |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
308 |
^ DecimalPointCharacterForPrinting |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
309 |
! |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
310 |
|
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
311 |
decimalPointCharacterForPrinting:aCharacter |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
312 |
"printed" |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
313 |
|
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
314 |
DecimalPointCharacterForPrinting := aCharacter |
8303 | 315 |
|
316 |
" |
|
317 |
1.5 printString |
|
318 |
||
319 |
Number decimalPointCharacter:$,. |
|
320 |
1.5 printString |
|
321 |
Number decimalPointCharacter:$.. |
|
322 |
" |
|
323 |
! |
|
324 |
||
8301 | 325 |
decimalPointCharacters |
326 |
"accepted when converting from a string" |
|
327 |
||
9127
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
328 |
<resource: #obsolete> |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
329 |
|
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
330 |
^ self decimalPointCharactersForReading |
8303 | 331 |
|
332 |
" |
|
333 |
1.5 printString |
|
334 |
||
335 |
Number decimalPointCharacters:#( $. $,) . |
|
336 |
Number fromString:'1.5'. |
|
337 |
Number fromString:'1,5'. |
|
338 |
Number decimalPointCharacters:#( $. ). |
|
339 |
" |
|
340 |
! |
|
341 |
||
342 |
decimalPointCharacters:aCollectionOfCharacters |
|
343 |
"accepted when converting from a string" |
|
344 |
||
9127
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
345 |
<resource: #obsolete> |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
346 |
|
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
347 |
self decimalPointCharactersForReading:aCollectionOfCharacters |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
348 |
|
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
349 |
" |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
350 |
Number decimalPointCharacters:#( $. $,) . |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
351 |
Number fromString:'1.5'. |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
352 |
Number fromString:'1,5'. |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
353 |
Number decimalPointCharacters:#( $. ). |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
354 |
" |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
355 |
! |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
356 |
|
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
357 |
decimalPointCharactersForReading |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
358 |
"accepted when converting from a string" |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
359 |
|
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
360 |
DecimalPointCharactersForReading isNil ifTrue:[ |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
361 |
^ #( $. $,) |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
362 |
]. |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
363 |
^ DecimalPointCharactersForReading |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
364 |
|
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
365 |
" |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
366 |
1.5 printString |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
367 |
|
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
368 |
Number decimalPointCharacters:#( $. $,) . |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
369 |
Number fromString:'1.5'. |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
370 |
Number fromString:'1,5'. |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
371 |
Number decimalPointCharacters:#( $. ). |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
372 |
" |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
373 |
! |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
374 |
|
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
375 |
decimalPointCharactersForReading:aCollectionOfCharacters |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
376 |
"accepted when converting from a string" |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
377 |
|
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
378 |
DecimalPointCharactersForReading := aCollectionOfCharacters |
8303 | 379 |
|
380 |
" |
|
381 |
Number decimalPointCharacters:#( $. $,) . |
|
382 |
Number fromString:'1.5'. |
|
383 |
Number fromString:'1,5'. |
|
384 |
Number decimalPointCharacters:#( $. ). |
|
385 |
" |
|
8301 | 386 |
! |
387 |
||
7729
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
388 |
epsilon |
8634 | 389 |
"return the maximum relative spacing of instances of mySelf |
390 |
(i.e. the value-delta of the least significant bit)" |
|
7729
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
391 |
|
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
392 |
^ self subclassResponsibility |
8844 | 393 |
! |
394 |
||
395 |
pi |
|
396 |
"return Pi in my representation (and accuracy)." |
|
397 |
||
398 |
^ self subclassResponsibility |
|
7729
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
399 |
! ! |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
400 |
|
1892 | 401 |
!Number class methodsFor:'error reporting'! |
701 | 402 |
|
6195 | 403 |
raise:aSignalSymbolOrErrorClass receiver:someNumber selector:sel arg:arg errorString:text |
3394 | 404 |
"ST-80 compatible signal raising. Provided for PD numeric classes" |
405 |
||
4558 | 406 |
<context: #return> |
407 |
||
6195 | 408 |
^ self |
409 |
raise:aSignalSymbolOrErrorClass |
|
410 |
receiver:someNumber |
|
411 |
selector:sel |
|
412 |
arguments:(Array with:arg) |
|
413 |
errorString:text |
|
3394 | 414 |
|
415 |
" |
|
416 |
Number |
|
6195 | 417 |
raise:#domainErrorSignal |
418 |
receiver:1.0 |
|
419 |
selector:#sin |
|
420 |
arg:nil |
|
421 |
errorString:'foo bar test' |
|
3394 | 422 |
" |
6195 | 423 |
|
424 |
"Modified: / 16.11.2001 / 14:12:50 / cg" |
|
3394 | 425 |
! |
426 |
||
6195 | 427 |
raise:aSignalSymbolOrErrorClass receiver:someNumber selector:sel arguments:argArray errorString:text |
6194
e060dbb4f75c
allow Exception-arg in #raise:receiver:selector...
Claus Gittinger <cg@exept.de>
parents:
6155
diff
changeset
|
428 |
"ST-80 compatible signal raising. Provided for PD numeric classes. |
e060dbb4f75c
allow Exception-arg in #raise:receiver:selector...
Claus Gittinger <cg@exept.de>
parents:
6155
diff
changeset
|
429 |
aSignalSymbolOrErrorClass is either an Error-subclass, or |
e060dbb4f75c
allow Exception-arg in #raise:receiver:selector...
Claus Gittinger <cg@exept.de>
parents:
6155
diff
changeset
|
430 |
the selector which is sent to myself, to retrieve the Exception class / Signal." |
701 | 431 |
|
4558 | 432 |
<context: #return> |
433 |
||
6194
e060dbb4f75c
allow Exception-arg in #raise:receiver:selector...
Claus Gittinger <cg@exept.de>
parents:
6155
diff
changeset
|
434 |
|msg signalOrException| |
701 | 435 |
|
436 |
msg := MessageSend |
|
6194
e060dbb4f75c
allow Exception-arg in #raise:receiver:selector...
Claus Gittinger <cg@exept.de>
parents:
6155
diff
changeset
|
437 |
receiver:someNumber |
e060dbb4f75c
allow Exception-arg in #raise:receiver:selector...
Claus Gittinger <cg@exept.de>
parents:
6155
diff
changeset
|
438 |
selector:sel |
6195 | 439 |
arguments:argArray. |
3394 | 440 |
|
6194
e060dbb4f75c
allow Exception-arg in #raise:receiver:selector...
Claus Gittinger <cg@exept.de>
parents:
6155
diff
changeset
|
441 |
aSignalSymbolOrErrorClass isSymbol ifTrue:[ |
e060dbb4f75c
allow Exception-arg in #raise:receiver:selector...
Claus Gittinger <cg@exept.de>
parents:
6155
diff
changeset
|
442 |
signalOrException := self perform:aSignalSymbolOrErrorClass. |
e060dbb4f75c
allow Exception-arg in #raise:receiver:selector...
Claus Gittinger <cg@exept.de>
parents:
6155
diff
changeset
|
443 |
] ifFalse:[ |
e060dbb4f75c
allow Exception-arg in #raise:receiver:selector...
Claus Gittinger <cg@exept.de>
parents:
6155
diff
changeset
|
444 |
signalOrException := aSignalSymbolOrErrorClass. "/ assume its an Error-Subclass |
e060dbb4f75c
allow Exception-arg in #raise:receiver:selector...
Claus Gittinger <cg@exept.de>
parents:
6155
diff
changeset
|
445 |
]. |
e060dbb4f75c
allow Exception-arg in #raise:receiver:selector...
Claus Gittinger <cg@exept.de>
parents:
6155
diff
changeset
|
446 |
|
e060dbb4f75c
allow Exception-arg in #raise:receiver:selector...
Claus Gittinger <cg@exept.de>
parents:
6155
diff
changeset
|
447 |
^ signalOrException |
e060dbb4f75c
allow Exception-arg in #raise:receiver:selector...
Claus Gittinger <cg@exept.de>
parents:
6155
diff
changeset
|
448 |
raiseRequestWith:msg |
e060dbb4f75c
allow Exception-arg in #raise:receiver:selector...
Claus Gittinger <cg@exept.de>
parents:
6155
diff
changeset
|
449 |
errorString:text |
e060dbb4f75c
allow Exception-arg in #raise:receiver:selector...
Claus Gittinger <cg@exept.de>
parents:
6155
diff
changeset
|
450 |
in:thisContext sender |
701 | 451 |
|
452 |
" |
|
3394 | 453 |
Number |
6194
e060dbb4f75c
allow Exception-arg in #raise:receiver:selector...
Claus Gittinger <cg@exept.de>
parents:
6155
diff
changeset
|
454 |
raise:#domainErrorSignal |
e060dbb4f75c
allow Exception-arg in #raise:receiver:selector...
Claus Gittinger <cg@exept.de>
parents:
6155
diff
changeset
|
455 |
receiver:1.0 |
e060dbb4f75c
allow Exception-arg in #raise:receiver:selector...
Claus Gittinger <cg@exept.de>
parents:
6155
diff
changeset
|
456 |
selector:#foo |
e060dbb4f75c
allow Exception-arg in #raise:receiver:selector...
Claus Gittinger <cg@exept.de>
parents:
6155
diff
changeset
|
457 |
errorString:'foo bar test' |
701 | 458 |
" |
6194
e060dbb4f75c
allow Exception-arg in #raise:receiver:selector...
Claus Gittinger <cg@exept.de>
parents:
6155
diff
changeset
|
459 |
|
6195 | 460 |
"Modified: / 16.11.2001 / 14:12:09 / cg" |
461 |
! |
|
462 |
||
463 |
raise:aSignalSymbolOrErrorClass receiver:someNumber selector:sel errorString:text |
|
464 |
"ST-80 compatible signal raising. Provided for PD numeric classes. |
|
465 |
aSignalSymbolOrErrorClass is either an Error-subclass, or |
|
466 |
the selector which is sent to myself, to retrieve the Exception class / Signal." |
|
467 |
||
468 |
<context: #return> |
|
469 |
||
470 |
^ self |
|
471 |
raise:aSignalSymbolOrErrorClass |
|
472 |
receiver:someNumber |
|
473 |
selector:sel |
|
474 |
arguments:#() |
|
475 |
errorString:text |
|
476 |
||
477 |
" |
|
478 |
Number |
|
479 |
raise:#domainErrorSignal |
|
480 |
receiver:1.0 |
|
481 |
selector:#foo |
|
482 |
errorString:'foo bar test' |
|
483 |
" |
|
484 |
||
485 |
"Modified: / 16.11.2001 / 14:13:16 / cg" |
|
701 | 486 |
! ! |
487 |
||
1892 | 488 |
!Number class methodsFor:'private'! |
701 | 489 |
|
6899
9ed8494c9f10
support for fixedPoint numbers (s-exponentCharacter)
Claus Gittinger <cg@exept.de>
parents:
6702
diff
changeset
|
490 |
readMantissaAndScaleFrom:aStream radix:radix |
9ed8494c9f10
support for fixedPoint numbers (s-exponentCharacter)
Claus Gittinger <cg@exept.de>
parents:
6702
diff
changeset
|
491 |
"helper for readFrom: - |
9ed8494c9f10
support for fixedPoint numbers (s-exponentCharacter)
Claus Gittinger <cg@exept.de>
parents:
6702
diff
changeset
|
492 |
return the mantissa (post-decimal-point digits) from the (character-)stream aStream; |
7356 | 493 |
In addition, the scale (number of postDecimalPoint digits) is returned |
494 |
(to support reading fixedPoint numbers). |
|
6899
9ed8494c9f10
support for fixedPoint numbers (s-exponentCharacter)
Claus Gittinger <cg@exept.de>
parents:
6702
diff
changeset
|
495 |
No whitespace is skipped. |
7356 | 496 |
Errs if no number is available on aStream." |
6899
9ed8494c9f10
support for fixedPoint numbers (s-exponentCharacter)
Claus Gittinger <cg@exept.de>
parents:
6702
diff
changeset
|
497 |
|
7388
bb89a53e2682
fixed conversion from string to not loose precision which is later
Claus Gittinger <cg@exept.de>
parents:
7356
diff
changeset
|
498 |
|nextChar value factor intMantissa scale highPrecision| |
6899
9ed8494c9f10
support for fixedPoint numbers (s-exponentCharacter)
Claus Gittinger <cg@exept.de>
parents:
6702
diff
changeset
|
499 |
|
7388
bb89a53e2682
fixed conversion from string to not loose precision which is later
Claus Gittinger <cg@exept.de>
parents:
7356
diff
changeset
|
500 |
highPrecision := false. |
6899
9ed8494c9f10
support for fixedPoint numbers (s-exponentCharacter)
Claus Gittinger <cg@exept.de>
parents:
6702
diff
changeset
|
501 |
value := 0.0. |
7388
bb89a53e2682
fixed conversion from string to not loose precision which is later
Claus Gittinger <cg@exept.de>
parents:
7356
diff
changeset
|
502 |
factor := 1.0 asLongFloat / radix. |
6899
9ed8494c9f10
support for fixedPoint numbers (s-exponentCharacter)
Claus Gittinger <cg@exept.de>
parents:
6702
diff
changeset
|
503 |
scale := 0. |
9ed8494c9f10
support for fixedPoint numbers (s-exponentCharacter)
Claus Gittinger <cg@exept.de>
parents:
6702
diff
changeset
|
504 |
intMantissa := 0. |
9ed8494c9f10
support for fixedPoint numbers (s-exponentCharacter)
Claus Gittinger <cg@exept.de>
parents:
6702
diff
changeset
|
505 |
nextChar := aStream peekOrNil. |
9ed8494c9f10
support for fixedPoint numbers (s-exponentCharacter)
Claus Gittinger <cg@exept.de>
parents:
6702
diff
changeset
|
506 |
[nextChar notNil and:[nextChar isDigitRadix:radix]] whileTrue:[ |
9ed8494c9f10
support for fixedPoint numbers (s-exponentCharacter)
Claus Gittinger <cg@exept.de>
parents:
6702
diff
changeset
|
507 |
value := value + (nextChar digitValue * factor). |
9ed8494c9f10
support for fixedPoint numbers (s-exponentCharacter)
Claus Gittinger <cg@exept.de>
parents:
6702
diff
changeset
|
508 |
intMantissa := (intMantissa * radix) + nextChar digitValue. |
9ed8494c9f10
support for fixedPoint numbers (s-exponentCharacter)
Claus Gittinger <cg@exept.de>
parents:
6702
diff
changeset
|
509 |
factor := factor / radix. |
9ed8494c9f10
support for fixedPoint numbers (s-exponentCharacter)
Claus Gittinger <cg@exept.de>
parents:
6702
diff
changeset
|
510 |
scale := scale + 1. |
9ed8494c9f10
support for fixedPoint numbers (s-exponentCharacter)
Claus Gittinger <cg@exept.de>
parents:
6702
diff
changeset
|
511 |
aStream next. |
9ed8494c9f10
support for fixedPoint numbers (s-exponentCharacter)
Claus Gittinger <cg@exept.de>
parents:
6702
diff
changeset
|
512 |
nextChar := aStream peekOrNil |
9ed8494c9f10
support for fixedPoint numbers (s-exponentCharacter)
Claus Gittinger <cg@exept.de>
parents:
6702
diff
changeset
|
513 |
]. |
7388
bb89a53e2682
fixed conversion from string to not loose precision which is later
Claus Gittinger <cg@exept.de>
parents:
7356
diff
changeset
|
514 |
|
6899
9ed8494c9f10
support for fixedPoint numbers (s-exponentCharacter)
Claus Gittinger <cg@exept.de>
parents:
6702
diff
changeset
|
515 |
^ (Array with:value with:intMantissa with:scale). |
9ed8494c9f10
support for fixedPoint numbers (s-exponentCharacter)
Claus Gittinger <cg@exept.de>
parents:
6702
diff
changeset
|
516 |
|
9ed8494c9f10
support for fixedPoint numbers (s-exponentCharacter)
Claus Gittinger <cg@exept.de>
parents:
6702
diff
changeset
|
517 |
" |
9ed8494c9f10
support for fixedPoint numbers (s-exponentCharacter)
Claus Gittinger <cg@exept.de>
parents:
6702
diff
changeset
|
518 |
Number readMantissaAndScaleFrom:'234' readStream radix:10. |
9ed8494c9f10
support for fixedPoint numbers (s-exponentCharacter)
Claus Gittinger <cg@exept.de>
parents:
6702
diff
changeset
|
519 |
Number readMantissaAndScaleFrom:'2' readStream radix:10. |
9ed8494c9f10
support for fixedPoint numbers (s-exponentCharacter)
Claus Gittinger <cg@exept.de>
parents:
6702
diff
changeset
|
520 |
Number readMantissaAndScaleFrom:'234567' readStream radix:10. |
9ed8494c9f10
support for fixedPoint numbers (s-exponentCharacter)
Claus Gittinger <cg@exept.de>
parents:
6702
diff
changeset
|
521 |
Number readMantissaAndScaleFrom:'234000' readStream radix:10. |
9ed8494c9f10
support for fixedPoint numbers (s-exponentCharacter)
Claus Gittinger <cg@exept.de>
parents:
6702
diff
changeset
|
522 |
Number readMantissaAndScaleFrom:'234' readStream radix:10. |
7356 | 523 |
|
524 |
Number readMantissaAndScaleFrom:'12345678901234567890' readStream radix:10. |
|
6899
9ed8494c9f10
support for fixedPoint numbers (s-exponentCharacter)
Claus Gittinger <cg@exept.de>
parents:
6702
diff
changeset
|
525 |
" |
9ed8494c9f10
support for fixedPoint numbers (s-exponentCharacter)
Claus Gittinger <cg@exept.de>
parents:
6702
diff
changeset
|
526 |
|
9ed8494c9f10
support for fixedPoint numbers (s-exponentCharacter)
Claus Gittinger <cg@exept.de>
parents:
6702
diff
changeset
|
527 |
"Modified: / 14.4.1998 / 18:47:47 / cg" |
9ed8494c9f10
support for fixedPoint numbers (s-exponentCharacter)
Claus Gittinger <cg@exept.de>
parents:
6702
diff
changeset
|
528 |
! |
9ed8494c9f10
support for fixedPoint numbers (s-exponentCharacter)
Claus Gittinger <cg@exept.de>
parents:
6702
diff
changeset
|
529 |
|
701 | 530 |
readMantissaFrom:aStream radix:radix |
531 |
"helper for readFrom: - |
|
6692 | 532 |
return the mantissa (post-decimal-point digits) |
533 |
from the (character-)stream aStream; |
|
534 |
No whitespace is skipped. |
|
535 |
Errs if no number available." |
|
701 | 536 |
|
6899
9ed8494c9f10
support for fixedPoint numbers (s-exponentCharacter)
Claus Gittinger <cg@exept.de>
parents:
6702
diff
changeset
|
537 |
^ (self readMantissaAndScaleFrom:aStream radix:radix) first |
3375
7c64da3964e4
faster conversion from string (due to slow #pastEnd)
Claus Gittinger <cg@exept.de>
parents:
3060
diff
changeset
|
538 |
|
6692 | 539 |
" |
540 |
Number readMantissaFrom:'234' readStream radix:10. |
|
541 |
Number readMantissaFrom:'2' readStream radix:10. |
|
542 |
Number readMantissaFrom:'234567' readStream radix:10. |
|
543 |
" |
|
544 |
||
3375
7c64da3964e4
faster conversion from string (due to slow #pastEnd)
Claus Gittinger <cg@exept.de>
parents:
3060
diff
changeset
|
545 |
"Modified: / 14.4.1998 / 18:47:47 / cg" |
701 | 546 |
! ! |
547 |
||
8892 | 548 |
!Number class methodsFor:'queries'! |
549 |
||
550 |
isAbstract |
|
551 |
^ self == Number |
|
552 |
! ! |
|
553 |
||
7261 | 554 |
!Number methodsFor:'Compatibility-Squeak'! |
4988 | 555 |
|
556 |
asSmallAngleDegrees |
|
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
557 |
"Return the receiver normalized to lie within the range (-180, 180)" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
558 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
559 |
| pos | |
4988 | 560 |
|
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
561 |
pos := self \\ 360. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
562 |
pos > 180 ifTrue: [pos := pos - 360]. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
563 |
^ pos |
4988 | 564 |
|
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
565 |
" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
566 |
#(-500 -300 -150 -5 0 5 150 300 500 1200) |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
567 |
collect: [:n | n asSmallAngleDegrees] |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
568 |
" |
6072 | 569 |
! |
4988 | 570 |
|
6335
8286bc57d05e
closeTo: generalized for all numbers
Claus Gittinger <cg@exept.de>
parents:
6258
diff
changeset
|
571 |
closeFrom:aNumber |
8286bc57d05e
closeTo: generalized for all numbers
Claus Gittinger <cg@exept.de>
parents:
6258
diff
changeset
|
572 |
"are these two numbers close?" |
8286bc57d05e
closeTo: generalized for all numbers
Claus Gittinger <cg@exept.de>
parents:
6258
diff
changeset
|
573 |
|
8286bc57d05e
closeTo: generalized for all numbers
Claus Gittinger <cg@exept.de>
parents:
6258
diff
changeset
|
574 |
| fuzz | |
8286bc57d05e
closeTo: generalized for all numbers
Claus Gittinger <cg@exept.de>
parents:
6258
diff
changeset
|
575 |
|
8286bc57d05e
closeTo: generalized for all numbers
Claus Gittinger <cg@exept.de>
parents:
6258
diff
changeset
|
576 |
self isNaN == aNumber isNaN ifFalse: [^ false]. |
8286bc57d05e
closeTo: generalized for all numbers
Claus Gittinger <cg@exept.de>
parents:
6258
diff
changeset
|
577 |
self isInfinite == aNumber isInfinite ifFalse: [^ false]. |
8286bc57d05e
closeTo: generalized for all numbers
Claus Gittinger <cg@exept.de>
parents:
6258
diff
changeset
|
578 |
|
8286bc57d05e
closeTo: generalized for all numbers
Claus Gittinger <cg@exept.de>
parents:
6258
diff
changeset
|
579 |
fuzz := (self abs max:aNumber abs) * 0.0001. |
8286bc57d05e
closeTo: generalized for all numbers
Claus Gittinger <cg@exept.de>
parents:
6258
diff
changeset
|
580 |
^ (self - aNumber) abs <= fuzz |
8286bc57d05e
closeTo: generalized for all numbers
Claus Gittinger <cg@exept.de>
parents:
6258
diff
changeset
|
581 |
|
8286bc57d05e
closeTo: generalized for all numbers
Claus Gittinger <cg@exept.de>
parents:
6258
diff
changeset
|
582 |
" |
8286bc57d05e
closeTo: generalized for all numbers
Claus Gittinger <cg@exept.de>
parents:
6258
diff
changeset
|
583 |
9.0 closeTo: 8.9999 |
8286bc57d05e
closeTo: generalized for all numbers
Claus Gittinger <cg@exept.de>
parents:
6258
diff
changeset
|
584 |
9.9 closeTo: 9 |
8286bc57d05e
closeTo: generalized for all numbers
Claus Gittinger <cg@exept.de>
parents:
6258
diff
changeset
|
585 |
(9/3) closeTo: 2.9999 |
8286bc57d05e
closeTo: generalized for all numbers
Claus Gittinger <cg@exept.de>
parents:
6258
diff
changeset
|
586 |
1 closeTo: 0.9999 |
8286bc57d05e
closeTo: generalized for all numbers
Claus Gittinger <cg@exept.de>
parents:
6258
diff
changeset
|
587 |
1 closeTo: 1.0001 |
8286bc57d05e
closeTo: generalized for all numbers
Claus Gittinger <cg@exept.de>
parents:
6258
diff
changeset
|
588 |
1 closeTo: 1.001 |
8286bc57d05e
closeTo: generalized for all numbers
Claus Gittinger <cg@exept.de>
parents:
6258
diff
changeset
|
589 |
1 closeTo: 0.999 |
8286bc57d05e
closeTo: generalized for all numbers
Claus Gittinger <cg@exept.de>
parents:
6258
diff
changeset
|
590 |
|
8286bc57d05e
closeTo: generalized for all numbers
Claus Gittinger <cg@exept.de>
parents:
6258
diff
changeset
|
591 |
0.9999 closeTo: 1 |
8286bc57d05e
closeTo: generalized for all numbers
Claus Gittinger <cg@exept.de>
parents:
6258
diff
changeset
|
592 |
1.0001 closeTo: 1 |
8286bc57d05e
closeTo: generalized for all numbers
Claus Gittinger <cg@exept.de>
parents:
6258
diff
changeset
|
593 |
1.001 closeTo: 1 |
6345 | 594 |
0.999 closeTo: 1 |
595 |
Float NaN closeTo:Float NaN |
|
596 |
Float infinity closeTo:Float infinity |
|
6335
8286bc57d05e
closeTo: generalized for all numbers
Claus Gittinger <cg@exept.de>
parents:
6258
diff
changeset
|
597 |
" |
8286bc57d05e
closeTo: generalized for all numbers
Claus Gittinger <cg@exept.de>
parents:
6258
diff
changeset
|
598 |
! |
8286bc57d05e
closeTo: generalized for all numbers
Claus Gittinger <cg@exept.de>
parents:
6258
diff
changeset
|
599 |
|
6143 | 600 |
closeTo:num |
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
601 |
"are these two numbers close to each other?" |
6143 | 602 |
|
6374 | 603 |
num isNumber ifFalse:[^false]. |
6335
8286bc57d05e
closeTo: generalized for all numbers
Claus Gittinger <cg@exept.de>
parents:
6258
diff
changeset
|
604 |
^ num closeFrom:self |
6143 | 605 |
|
606 |
" |
|
607 |
1 closeTo:1.0000000001 |
|
608 |
1 closeTo:1.001 |
|
609 |
" |
|
6155 | 610 |
|
611 |
"Created: / 5.11.2001 / 18:07:26 / cg" |
|
6143 | 612 |
! |
613 |
||
4988 | 614 |
newTileMorphRepresentative |
615 |
^ TileMorph new addArrows; setLiteral: self; addSuffixIfCan |
|
616 |
! |
|
617 |
||
618 |
stringForReadout |
|
619 |
^ self rounded printString |
|
620 |
! ! |
|
621 |
||
6692 | 622 |
!Number methodsFor:'coercing'! |
623 |
||
624 |
retry: aSymbol coercing: aNumber |
|
625 |
"Arithmetic represented by the symbol, aSymbol, |
|
626 |
could not be performed with the receiver and the argument, |
|
627 |
aNumber, because of the differences in representation. Coerce either |
|
628 |
the receiver or the argument, depending on which has higher generality, and |
|
629 |
try again. If the symbol is the equals sign, answer false if the argument |
|
630 |
is not a Number. If the generalities are the same, create an error message." |
|
631 |
||
632 |
|myGenerality otherGenerality| |
|
633 |
||
634 |
(aSymbol == #=) ifTrue:[ |
|
6702
545b50725894
infinitz query fix (int * point)
Claus Gittinger <cg@exept.de>
parents:
6692
diff
changeset
|
635 |
(aNumber respondsTo:#generality) ifFalse:[^ false] |
6692 | 636 |
] ifFalse:[ |
6702
545b50725894
infinitz query fix (int * point)
Claus Gittinger <cg@exept.de>
parents:
6692
diff
changeset
|
637 |
(aNumber respondsTo:#generality) ifFalse:[ |
545b50725894
infinitz query fix (int * point)
Claus Gittinger <cg@exept.de>
parents:
6692
diff
changeset
|
638 |
self error:'retry:coercing: argument is not a number'. |
545b50725894
infinitz query fix (int * point)
Claus Gittinger <cg@exept.de>
parents:
6692
diff
changeset
|
639 |
^ self |
545b50725894
infinitz query fix (int * point)
Claus Gittinger <cg@exept.de>
parents:
6692
diff
changeset
|
640 |
] |
6692 | 641 |
]. |
642 |
myGenerality := self generality. |
|
643 |
otherGenerality := aNumber generality. |
|
644 |
(myGenerality > otherGenerality) ifTrue:[ |
|
6702
545b50725894
infinitz query fix (int * point)
Claus Gittinger <cg@exept.de>
parents:
6692
diff
changeset
|
645 |
^ self perform:aSymbol with:(self coerce:aNumber) |
6692 | 646 |
]. |
647 |
(myGenerality < otherGenerality) ifTrue:[ |
|
6702
545b50725894
infinitz query fix (int * point)
Claus Gittinger <cg@exept.de>
parents:
6692
diff
changeset
|
648 |
^ (aNumber coerce:self) perform:aSymbol with:aNumber |
6692 | 649 |
]. |
650 |
self error:'retry:coercing: oops - same generality' |
|
651 |
! ! |
|
652 |
||
9127
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
653 |
!Number methodsFor:'coercing & converting'! |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
654 |
|
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
655 |
i |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
656 |
"return a complex number, with the receiver as imaginary part, 0 as real part" |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
657 |
|
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
658 |
^ Complex |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
659 |
real:0 |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
660 |
imaginary:self |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
661 |
|
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
662 |
" |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
663 |
3i |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
664 |
(1+1i) |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
665 |
" |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
666 |
! ! |
04cd80c64a30
decimapPointCharacter stuff;
Claus Gittinger <cg@exept.de>
parents:
8979
diff
changeset
|
667 |
|
701 | 668 |
!Number methodsFor:'converting'! |
669 |
||
3634 | 670 |
% aNumber |
671 |
"Return a complex number with the receiver as the real part and |
|
672 |
aNumber as the imaginary part" |
|
673 |
||
674 |
^ Complex real:self imaginary:aNumber |
|
675 |
||
676 |
"Modified: / 9.7.1998 / 10:18:12 / cg" |
|
677 |
! |
|
678 |
||
701 | 679 |
@ aNumber |
680 |
"return a Point with the receiver as x-coordinate and the argument |
|
681 |
as y-coordinate" |
|
682 |
||
683 |
%{ /* NOCONTEXT */ |
|
684 |
||
685 |
/* |
|
686 |
* I cannot tell if this special code is worth anything |
|
687 |
*/ |
|
5322 | 688 |
if (__CanDoQuickNew(sizeof(struct __Point))) { /* OBJECT ALLOCATION */ |
7857
51971c337c26
Have to call __STORE(), when assigning class.
Stefan Vogel <sv@exept.de>
parents:
7729
diff
changeset
|
689 |
OBJ newPoint; |
51971c337c26
Have to call __STORE(), when assigning class.
Stefan Vogel <sv@exept.de>
parents:
7729
diff
changeset
|
690 |
int spc; |
701 | 691 |
|
7857
51971c337c26
Have to call __STORE(), when assigning class.
Stefan Vogel <sv@exept.de>
parents:
7729
diff
changeset
|
692 |
__qCheckedAlignedNew(newPoint, sizeof(struct __Point)); |
51971c337c26
Have to call __STORE(), when assigning class.
Stefan Vogel <sv@exept.de>
parents:
7729
diff
changeset
|
693 |
__InstPtr(newPoint)->o_class = @global(Point); |
51971c337c26
Have to call __STORE(), when assigning class.
Stefan Vogel <sv@exept.de>
parents:
7729
diff
changeset
|
694 |
__qSTORE(newPoint, @global(Point)); |
51971c337c26
Have to call __STORE(), when assigning class.
Stefan Vogel <sv@exept.de>
parents:
7729
diff
changeset
|
695 |
__PointInstPtr(newPoint)->p_x = self; |
51971c337c26
Have to call __STORE(), when assigning class.
Stefan Vogel <sv@exept.de>
parents:
7729
diff
changeset
|
696 |
__PointInstPtr(newPoint)->p_y = aNumber; |
51971c337c26
Have to call __STORE(), when assigning class.
Stefan Vogel <sv@exept.de>
parents:
7729
diff
changeset
|
697 |
if (! __bothSmallInteger(self, aNumber)) { |
51971c337c26
Have to call __STORE(), when assigning class.
Stefan Vogel <sv@exept.de>
parents:
7729
diff
changeset
|
698 |
spc = __qSpace(newPoint); |
51971c337c26
Have to call __STORE(), when assigning class.
Stefan Vogel <sv@exept.de>
parents:
7729
diff
changeset
|
699 |
__STORE_SPC(newPoint, aNumber, spc); |
51971c337c26
Have to call __STORE(), when assigning class.
Stefan Vogel <sv@exept.de>
parents:
7729
diff
changeset
|
700 |
__STORE_SPC(newPoint, self, spc); |
51971c337c26
Have to call __STORE(), when assigning class.
Stefan Vogel <sv@exept.de>
parents:
7729
diff
changeset
|
701 |
} |
51971c337c26
Have to call __STORE(), when assigning class.
Stefan Vogel <sv@exept.de>
parents:
7729
diff
changeset
|
702 |
RETURN ( newPoint ); |
701 | 703 |
} |
704 |
%} |
|
705 |
. |
|
706 |
^ Point x:self y:aNumber |
|
707 |
! |
|
708 |
||
3634 | 709 |
asComplex |
710 |
"Return a complex number with the receiver as the real part and |
|
711 |
zero as the imaginary part" |
|
712 |
||
7356 | 713 |
^ Complex real:self |
3634 | 714 |
|
715 |
"Modified: / 9.7.1998 / 10:18:16 / cg" |
|
716 |
! |
|
717 |
||
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
718 |
asMetaNumber |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
719 |
^ SomeNumber new realNumber:self |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
720 |
! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
721 |
|
7214 | 722 |
asNumber |
723 |
||
724 |
^ self. |
|
725 |
! |
|
726 |
||
701 | 727 |
asPoint |
728 |
"return a new Point with the receiver as all coordinates; |
|
729 |
often used to supply the same value in two dimensions, as with |
|
730 |
symmetrical gridding or scaling." |
|
731 |
||
732 |
%{ /* NOCONTEXT */ |
|
733 |
||
5322 | 734 |
if (__CanDoQuickNew(sizeof(struct __Point))) { /* OBJECT ALLOCATION */ |
7857
51971c337c26
Have to call __STORE(), when assigning class.
Stefan Vogel <sv@exept.de>
parents:
7729
diff
changeset
|
735 |
OBJ newPoint; |
701 | 736 |
|
7857
51971c337c26
Have to call __STORE(), when assigning class.
Stefan Vogel <sv@exept.de>
parents:
7729
diff
changeset
|
737 |
__qCheckedAlignedNew(newPoint, sizeof(struct __Point)); |
51971c337c26
Have to call __STORE(), when assigning class.
Stefan Vogel <sv@exept.de>
parents:
7729
diff
changeset
|
738 |
__InstPtr(newPoint)->o_class = @global(Point); |
51971c337c26
Have to call __STORE(), when assigning class.
Stefan Vogel <sv@exept.de>
parents:
7729
diff
changeset
|
739 |
__qSTORE(newPoint, @global(Point)); |
51971c337c26
Have to call __STORE(), when assigning class.
Stefan Vogel <sv@exept.de>
parents:
7729
diff
changeset
|
740 |
__PointInstPtr(newPoint)->p_x = self; |
51971c337c26
Have to call __STORE(), when assigning class.
Stefan Vogel <sv@exept.de>
parents:
7729
diff
changeset
|
741 |
__PointInstPtr(newPoint)->p_y = self; |
51971c337c26
Have to call __STORE(), when assigning class.
Stefan Vogel <sv@exept.de>
parents:
7729
diff
changeset
|
742 |
__STORE(newPoint, self); |
51971c337c26
Have to call __STORE(), when assigning class.
Stefan Vogel <sv@exept.de>
parents:
7729
diff
changeset
|
743 |
RETURN ( newPoint ); |
701 | 744 |
} |
745 |
%}. |
|
746 |
^ Point x:self y:self |
|
747 |
! |
|
748 |
||
749 |
degreesToRadians |
|
750 |
"interpreting the receiver as radians, return the degrees" |
|
751 |
||
8203 | 752 |
^ self * (Float pi / 180.0) |
7388
bb89a53e2682
fixed conversion from string to not loose precision which is later
Claus Gittinger <cg@exept.de>
parents:
7356
diff
changeset
|
753 |
|
bb89a53e2682
fixed conversion from string to not loose precision which is later
Claus Gittinger <cg@exept.de>
parents:
7356
diff
changeset
|
754 |
" |
bb89a53e2682
fixed conversion from string to not loose precision which is later
Claus Gittinger <cg@exept.de>
parents:
7356
diff
changeset
|
755 |
180 degreesToRadians |
bb89a53e2682
fixed conversion from string to not loose precision which is later
Claus Gittinger <cg@exept.de>
parents:
7356
diff
changeset
|
756 |
Float pi radiansToDegrees |
bb89a53e2682
fixed conversion from string to not loose precision which is later
Claus Gittinger <cg@exept.de>
parents:
7356
diff
changeset
|
757 |
" |
701 | 758 |
! |
759 |
||
760 |
literalArrayEncoding |
|
1245 | 761 |
"encode myself as an array literal, from which a copy of the receiver |
762 |
can be reconstructed with #decodeAsLiteralArray." |
|
701 | 763 |
|
764 |
^ self |
|
765 |
||
766 |
"Modified: 1.9.1995 / 02:25:26 / claus" |
|
1245 | 767 |
"Modified: 22.4.1996 / 13:00:27 / cg" |
701 | 768 |
! |
769 |
||
770 |
radiansToDegrees |
|
771 |
"interpreting the receiver as degrees, return the radians" |
|
772 |
||
8203 | 773 |
^ self * (180.0 / Float pi) |
7388
bb89a53e2682
fixed conversion from string to not loose precision which is later
Claus Gittinger <cg@exept.de>
parents:
7356
diff
changeset
|
774 |
|
bb89a53e2682
fixed conversion from string to not loose precision which is later
Claus Gittinger <cg@exept.de>
parents:
7356
diff
changeset
|
775 |
" |
bb89a53e2682
fixed conversion from string to not loose precision which is later
Claus Gittinger <cg@exept.de>
parents:
7356
diff
changeset
|
776 |
180 degreesToRadians |
bb89a53e2682
fixed conversion from string to not loose precision which is later
Claus Gittinger <cg@exept.de>
parents:
7356
diff
changeset
|
777 |
Float pi radiansToDegrees |
bb89a53e2682
fixed conversion from string to not loose precision which is later
Claus Gittinger <cg@exept.de>
parents:
7356
diff
changeset
|
778 |
" |
6637 | 779 |
! |
780 |
||
781 |
withScale:newScale |
|
8203 | 782 |
"return a fixedPoint number representing the same value as the receiver, |
6637 | 783 |
with newScale number of post-decimal digits" |
784 |
||
785 |
^ self asFixedPoint:newScale |
|
786 |
||
787 |
" |
|
788 |
1234 withScale:2 |
|
789 |
1234.1 withScale:2 |
|
790 |
1234.12 withScale:2 |
|
791 |
1234.123 withScale:2 |
|
792 |
(1/7) withScale:2 |
|
793 |
" |
|
701 | 794 |
! ! |
795 |
||
796 |
!Number methodsFor:'intervals'! |
|
797 |
||
6072 | 798 |
downTo:stop |
799 |
"return an interval from receiver down to the argument, incrementing by -1" |
|
800 |
||
801 |
^ self to:stop by:-1 |
|
802 |
||
803 |
" |
|
804 |
(10 downTo:1) do:[:i | Transcript showCR:i]. |
|
805 |
" |
|
806 |
! |
|
807 |
||
701 | 808 |
to:stop |
809 |
"return an interval from receiver up to the argument, incrementing by 1" |
|
810 |
||
811 |
^ Interval from:self to:stop |
|
812 |
! |
|
813 |
||
814 |
to:stop by:step |
|
815 |
"return an interval from receiver up to the argument, incrementing by step" |
|
816 |
||
817 |
^ Interval from:self to:stop by:step |
|
6154 | 818 |
! |
819 |
||
820 |
to:stop byFactor:factor |
|
821 |
"return a geometric series from receiver up to the argument; |
|
822 |
elements have a constant factor in between" |
|
823 |
||
824 |
^ GeometricSeries from:self to:stop byFactor:factor |
|
825 |
||
826 |
" |
|
827 |
(1 to:256 byFactor:2) |
|
828 |
(256 to:1 byFactor:1/2) |
|
829 |
" |
|
701 | 830 |
! ! |
831 |
||
832 |
!Number methodsFor:'iteration'! |
|
833 |
||
834 |
timesRepeat:aBlock |
|
835 |
"evaluate the argument, aBlock self times" |
|
836 |
||
837 |
|count| |
|
838 |
||
839 |
count := self. |
|
840 |
[count > 0] whileTrue:[ |
|
5322 | 841 |
aBlock value. |
842 |
count := count - 1 |
|
701 | 843 |
] |
844 |
! ! |
|
845 |
||
3634 | 846 |
!Number methodsFor:'mathematical functions'! |
847 |
||
848 |
conjugated |
|
849 |
"Return the complex conjugate of this Number." |
|
850 |
||
851 |
^ self |
|
852 |
||
853 |
"Modified: / 9.7.1998 / 10:17:31 / cg" |
|
854 |
! |
|
855 |
||
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
856 |
exp |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
857 |
"compute e**x of the receiver" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
858 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
859 |
(self isLimitedPrecisionReal not |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
860 |
or:[self generality < 1.0 generality]) ifTrue:[ |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
861 |
^ self asFloat exp. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
862 |
]. |
8634 | 863 |
^ self exp_withAccuracy:self epsilon |
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
864 |
! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
865 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
866 |
floorLog:radix |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
867 |
"return the logarithm truncated as an integer" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
868 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
869 |
^ (self log:radix) floor |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
870 |
! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
871 |
|
3634 | 872 |
imaginary |
873 |
"Return the imaginary part of this Number." |
|
874 |
||
875 |
^ 0 |
|
876 |
||
877 |
"Modified: / 9.7.1998 / 10:17:24 / cg" |
|
878 |
! |
|
879 |
||
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
880 |
ln |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
881 |
"compute ln of the receiver" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
882 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
883 |
(self isLimitedPrecisionReal not |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
884 |
or:[self generality < 1.0 generality]) ifTrue:[ |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
885 |
^ self asFloat ln. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
886 |
]. |
8634 | 887 |
^ self ln_withAccuracy:self epsilon |
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
888 |
! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
889 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
890 |
log |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
891 |
"return log base 10 of the receiver. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
892 |
Alias for log10." |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
893 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
894 |
^ self log10 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
895 |
! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
896 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
897 |
log10 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
898 |
"return log base 10 of the receiver" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
899 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
900 |
^ self log:10 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
901 |
! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
902 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
903 |
log:aNumber |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
904 |
"return log base aNumber of the receiver" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
905 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
906 |
^ self ln / aNumber ln |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
907 |
! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
908 |
|
7468
61c8a3053bf4
moved math functions to number
Claus Gittinger <cg@exept.de>
parents:
7456
diff
changeset
|
909 |
raisedTo:aNumber |
61c8a3053bf4
moved math functions to number
Claus Gittinger <cg@exept.de>
parents:
7456
diff
changeset
|
910 |
"return the receiver raised to aNumber" |
61c8a3053bf4
moved math functions to number
Claus Gittinger <cg@exept.de>
parents:
7456
diff
changeset
|
911 |
|
61c8a3053bf4
moved math functions to number
Claus Gittinger <cg@exept.de>
parents:
7456
diff
changeset
|
912 |
aNumber = 0 ifTrue:[^ 1]. |
61c8a3053bf4
moved math functions to number
Claus Gittinger <cg@exept.de>
parents:
7456
diff
changeset
|
913 |
aNumber = 1 ifTrue:[^ self]. |
61c8a3053bf4
moved math functions to number
Claus Gittinger <cg@exept.de>
parents:
7456
diff
changeset
|
914 |
aNumber isInteger ifTrue:[ |
61c8a3053bf4
moved math functions to number
Claus Gittinger <cg@exept.de>
parents:
7456
diff
changeset
|
915 |
^ self raisedToInteger:aNumber |
61c8a3053bf4
moved math functions to number
Claus Gittinger <cg@exept.de>
parents:
7456
diff
changeset
|
916 |
]. |
61c8a3053bf4
moved math functions to number
Claus Gittinger <cg@exept.de>
parents:
7456
diff
changeset
|
917 |
^ self asFloat raisedTo:aNumber |
61c8a3053bf4
moved math functions to number
Claus Gittinger <cg@exept.de>
parents:
7456
diff
changeset
|
918 |
|
61c8a3053bf4
moved math functions to number
Claus Gittinger <cg@exept.de>
parents:
7456
diff
changeset
|
919 |
" |
61c8a3053bf4
moved math functions to number
Claus Gittinger <cg@exept.de>
parents:
7456
diff
changeset
|
920 |
2 raisedTo: 4 |
61c8a3053bf4
moved math functions to number
Claus Gittinger <cg@exept.de>
parents:
7456
diff
changeset
|
921 |
10 raisedTo: 4 |
61c8a3053bf4
moved math functions to number
Claus Gittinger <cg@exept.de>
parents:
7456
diff
changeset
|
922 |
" |
61c8a3053bf4
moved math functions to number
Claus Gittinger <cg@exept.de>
parents:
7456
diff
changeset
|
923 |
! |
61c8a3053bf4
moved math functions to number
Claus Gittinger <cg@exept.de>
parents:
7456
diff
changeset
|
924 |
|
3634 | 925 |
real |
926 |
"Return the real part of this Number." |
|
927 |
||
928 |
^ self |
|
929 |
||
930 |
"Modified: / 9.7.1998 / 10:17:17 / cg" |
|
6258 | 931 |
! |
932 |
||
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
933 |
sqrt |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
934 |
"return the square root of the receiver" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
935 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
936 |
(self isLimitedPrecisionReal not |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
937 |
or:[self generality < 1.0 generality]) ifTrue:[ |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
938 |
^ self asFloat sqrt. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
939 |
]. |
8634 | 940 |
^ self sqrt_withAccuracy:self epsilon |
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
941 |
! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
942 |
|
6258 | 943 |
timesTwoPower:anInteger |
944 |
"Return the receiver multiplied by 2.0 raised to the power of the argument. |
|
945 |
For protocol completeness wrt. Squeak and ST80." |
|
946 |
||
947 |
^ self * (2.0 raisedToInteger:anInteger) |
|
948 |
||
949 |
" |
|
950 |
123 timesTwoPower:0 |
|
951 |
123 timesTwoPower:1 |
|
952 |
123 timesTwoPower:2 |
|
953 |
123 timesTwoPower:3 |
|
954 |
" |
|
3634 | 955 |
! ! |
956 |
||
701 | 957 |
!Number methodsFor:'printing & storing'! |
958 |
||
5299
92b363dbd833
added #printOn:paddedWith:to:base:
Claus Gittinger <cg@exept.de>
parents:
5238
diff
changeset
|
959 |
printOn:aStream paddedWith:padCharacter to:size base:radix |
92b363dbd833
added #printOn:paddedWith:to:base:
Claus Gittinger <cg@exept.de>
parents:
5238
diff
changeset
|
960 |
|s| |
92b363dbd833
added #printOn:paddedWith:to:base:
Claus Gittinger <cg@exept.de>
parents:
5238
diff
changeset
|
961 |
|
8301 | 962 |
radix == 10 ifTrue:[ |
963 |
s := self printString. |
|
964 |
] ifFalse:[ |
|
965 |
s := self printStringRadix:radix. |
|
966 |
]. |
|
5299
92b363dbd833
added #printOn:paddedWith:to:base:
Claus Gittinger <cg@exept.de>
parents:
5238
diff
changeset
|
967 |
s printOn: aStream leftPaddedTo:size with: padCharacter |
8301 | 968 |
! |
5299
92b363dbd833
added #printOn:paddedWith:to:base:
Claus Gittinger <cg@exept.de>
parents:
5238
diff
changeset
|
969 |
|
8301 | 970 |
printStringRadix:radix |
971 |
self subclassResponsibility |
|
5299
92b363dbd833
added #printOn:paddedWith:to:base:
Claus Gittinger <cg@exept.de>
parents:
5238
diff
changeset
|
972 |
! |
92b363dbd833
added #printOn:paddedWith:to:base:
Claus Gittinger <cg@exept.de>
parents:
5238
diff
changeset
|
973 |
|
701 | 974 |
storeOn:aStream |
975 |
"append a string for storing the receiver onto the argument, |
|
976 |
aStream - since numbers are literals,they store as they print." |
|
977 |
||
978 |
^ self printOn:aStream |
|
979 |
! |
|
980 |
||
981 |
storeString |
|
982 |
"return a string for storing |
|
983 |
- since numbers are literals, they store as they print." |
|
984 |
||
985 |
^ self printString |
|
986 |
! ! |
|
987 |
||
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
988 |
!Number methodsFor:'taylor series'! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
989 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
990 |
arcSin_withAccuracy:epsilon |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
991 |
"compute the arcSine of the receiver" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
992 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
993 |
"/ uses taylor series: |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
994 |
"/ 1*x^3 1*3 * x^5 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
995 |
"/ arcSin = x + ----- + ---------- + ... |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
996 |
"/ 2* 3 2*4 * 5 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
997 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
998 |
|x2 num numf den denf approx lastApprox d| |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
999 |
|
8844 | 1000 |
((self >= -1) and:[self <= 1]) ifFalse:[ |
1001 |
^ self class |
|
1002 |
raise:#domainErrorSignal |
|
1003 |
receiver:self |
|
1004 |
selector:#arcTanh |
|
1005 |
arguments:#() |
|
1006 |
errorString:'bad receiver in arcTanh' |
|
1007 |
]. |
|
1008 |
||
1009 |
x2 := self * self. |
|
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1010 |
num := (x2 * self). |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1011 |
approx := self + (num / 6). |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1012 |
lastApprox := self. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1013 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1014 |
numf := 3. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1015 |
denf := 4. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1016 |
den := 2. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1017 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1018 |
[ (lastApprox - approx) abs > epsilon ] whileTrue:[ |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1019 |
num := (num * x2) * numf. numf := numf + 2. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1020 |
den := den * denf. denf := denf + 2. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1021 |
d := den * numf. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1022 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1023 |
lastApprox := approx. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1024 |
approx := approx + (num / d). |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1025 |
]. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1026 |
^ approx |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1027 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1028 |
" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1029 |
0.5 arcSin 0.523599 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1030 |
0.5 asLongFloat arcSin 0.523598776 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1031 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1032 |
0.5 asLongFloat arcSin_withAccuracy:1 0.520833333 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1033 |
0.5 asLongFloat arcSin_withAccuracy:0.1 0.520833333 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1034 |
0.5 asLongFloat arcSin_withAccuracy:0.01 0.523177083 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1035 |
0.5 asLongFloat arcSin_withAccuracy:0.001 0.523525856 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1036 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1037 |
0.5 asLongFloat arcSin_withAccuracy:1e-20 0.523598776 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1038 |
|
8844 | 1039 |
0.5 asLargeFloat arcSin_withAccuracy:1e-30 -- not yet |
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1040 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1041 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1042 |
0.1 arcSin 0.100167 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1043 |
0.1 asLongFloat arcSin 0.100167421 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1044 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1045 |
0.1 asLongFloat arcSin_withAccuracy:1 0.100166667 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1046 |
0.1 asLongFloat arcSin_withAccuracy:0.1 0.100166667 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1047 |
0.1 asLongFloat arcSin_withAccuracy:0.01 0.100166667 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1048 |
0.1 asLongFloat arcSin_withAccuracy:0.001 0.100166667 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1049 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1050 |
0.1 asLongFloat arcSin_withAccuracy:1e-20 0.100167421 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1051 |
|
8844 | 1052 |
0.1 asLargeFloat arcSin_withAccuracy:1e-30 -- not yet |
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1053 |
" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1054 |
! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1055 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1056 |
arcTan_withAccuracy:epsilon |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1057 |
"compute the arcTangent of the receiver" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1058 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1059 |
"/ uses taylor series: |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1060 |
"/ x^3 x^5 x^7 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1061 |
"/ arcTan = x - --- + --- - --- ... |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1062 |
"/ 3 5 7 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1063 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1064 |
|x2 num den approx lastApprox| |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1065 |
|
8844 | 1066 |
x2 := self * self. |
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1067 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1068 |
num := (x2 * self) negated. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1069 |
den := 3. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1070 |
approx := self + (num / den). |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1071 |
lastApprox := self. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1072 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1073 |
[ (lastApprox - approx) abs > epsilon ] whileTrue:[ |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1074 |
den := den + 2. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1075 |
num := (num * x2) negated. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1076 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1077 |
lastApprox := approx. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1078 |
approx := approx + (num / den). |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1079 |
"/Transcript show:num; show:' '. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1080 |
"/Transcript show:den; show:' '. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1081 |
"/Transcript showCR:(num / den). |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1082 |
"/Transcript showCR:approx. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1083 |
"/Transcript cr. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1084 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1085 |
Transcript showCR:(lastApprox - approx) abs. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1086 |
]. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1087 |
^ approx |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1088 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1089 |
" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1090 |
1.0 arcTan 0.785398 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1091 |
1.0 asLongFloat arcTan 0.785398163 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1092 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1093 |
1.0 asLongFloat arcTan_withAccuracy:1 0.666666667 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1094 |
1.0 asLongFloat arcTan_withAccuracy:0.1 0.744011544 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1095 |
1.0 asLongFloat arcTan_withAccuracy:0.01 0.790299653 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1096 |
1.0 asLongFloat arcTan_withAccuracy:0.001 0.785897165 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1097 |
|
8844 | 1098 |
1.0 asLongFloat arcTan_withAccuracy:1e-20 -- not yet |
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1099 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1100 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1101 |
0.5 arcTan 0.463648 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1102 |
0.5 asLongFloat arcTan 0.463647609 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1103 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1104 |
0.5 asLongFloat arcTan_withAccuracy:1 0.458333333 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1105 |
0.5 asLongFloat arcTan_withAccuracy:0.1 0.458333333 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1106 |
0.5 asLongFloat arcTan_withAccuracy:0.01 0.464583333 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1107 |
0.5 asLongFloat arcTan_withAccuracy:0.001 0.463684276 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1108 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1109 |
0.5 asLongFloat arcTan_withAccuracy:1e-20 0.463647609 |
8844 | 1110 |
0.5 asLargeFloat arcTan_withAccuracy:1e-30 -- not yet |
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1111 |
" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1112 |
! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1113 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1114 |
cos_withAccuracy:epsilon |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1115 |
"compute the cosine of the receiver" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1116 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1117 |
"/ uses taylor series: |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1118 |
"/ x^2 x^4 x^6 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1119 |
"/ cos = 1 - --- + --- - --- ... |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1120 |
"/ 2!! 4!! 6!! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1121 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1122 |
|x2 facN num den approx lastApprox| |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1123 |
|
8844 | 1124 |
x2 := self * self. |
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1125 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1126 |
num := x2 negated. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1127 |
den := 2. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1128 |
facN := 2. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1129 |
approx := 1 + (num / den). |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1130 |
lastApprox := 1. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1131 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1132 |
[ (lastApprox - approx) abs > epsilon ] whileTrue:[ |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1133 |
facN := facN + 2. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1134 |
den := den * (facN - 1) * facN. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1135 |
num := (num * x2) negated. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1136 |
lastApprox := approx. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1137 |
approx := approx + (num / den). |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1138 |
]. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1139 |
^ approx |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1140 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1141 |
" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1142 |
1.0 cos 0.540302 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1143 |
1.0 asLongFloat cos_withAccuracy:1 0.5 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1144 |
1.0 asLongFloat cos_withAccuracy:0.1 0.541666667 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1145 |
1.0 asLongFloat cos_withAccuracy:0.01 0.540277778 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1146 |
1.0 asLongFloat cos_withAccuracy:0.001 0.540302579 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1147 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1148 |
1.0 asLongFloat cos_withAccuracy:1e-40 0.540302306 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1149 |
" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1150 |
! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1151 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1152 |
cosh_withAccuracy:epsilon |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1153 |
"compute the hyperbolic cosine of the receiver" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1154 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1155 |
"/ uses taylor series: |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1156 |
"/ x^2 x^4 x^6 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1157 |
"/ cosh = x + --- + --- + --- ... |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1158 |
"/ 2!! 4!! 6!! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1159 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1160 |
|x2 facN num den approx lastApprox| |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1161 |
|
8844 | 1162 |
x2 := self * self. |
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1163 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1164 |
num := x2. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1165 |
den := 2. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1166 |
facN := 2. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1167 |
approx := self + (num / den). |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1168 |
lastApprox := self. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1169 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1170 |
[ (lastApprox - approx) abs > epsilon ] whileTrue:[ |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1171 |
facN := facN + 2. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1172 |
den := den * (facN - 1) * facN. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1173 |
num := num * x2. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1174 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1175 |
lastApprox := approx. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1176 |
approx := approx + (num / den). |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1177 |
]. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1178 |
^ approx |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1179 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1180 |
" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1181 |
1.0 cosh 1.54308 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1182 |
1.0 asLongFloat cosh_withAccuracy:1 1.5 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1183 |
1.0 asLongFloat cosh_withAccuracy:0.1 1.54308 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1184 |
1.0 asLongFloat cosh_withAccuracy:0.01 1.54308 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1185 |
1.0 asLongFloat cosh_withAccuracy:0.001 1.54308 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1186 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1187 |
1.0 asLongFloat cosh_withAccuracy:1e-40 -> 1.543080 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1188 |
" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1189 |
! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1190 |
|
8634 | 1191 |
epsilon |
1192 |
"return the maximum relative spacing of instances of mySelf |
|
1193 |
(i.e. the value-delta of the least significant bit)" |
|
1194 |
||
1195 |
^ self class epsilon |
|
1196 |
! |
|
1197 |
||
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1198 |
exp_withAccuracy:epsilon |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1199 |
"compute e**x of the receiver" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1200 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1201 |
"/ uses taylor series: |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1202 |
"/ x x^2 x^3 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1203 |
"/ e = 1 + --- + --- + --- ... |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1204 |
"/ 1!! 2!! 3!! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1205 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1206 |
|x2 facN num den approx lastApprox| |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1207 |
|
8844 | 1208 |
x2 := self * self. |
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1209 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1210 |
num := x2. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1211 |
den := 2. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1212 |
facN := 2. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1213 |
approx := self + self + (num / den). |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1214 |
lastApprox := self. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1215 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1216 |
[ (lastApprox - approx) abs > epsilon ] whileTrue:[ |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1217 |
facN := facN + 1. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1218 |
den := den * facN. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1219 |
num := num * self. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1220 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1221 |
lastApprox := approx. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1222 |
approx := approx + (num / den). |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1223 |
]. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1224 |
^ approx |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1225 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1226 |
" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1227 |
1.0 exp 2.71828 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1228 |
1.0 asLongFloat exp 2.71828183 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1229 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1230 |
1.0 asLongFloat exp_withAccuracy:1 2.66666667 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1231 |
1.0 asLongFloat exp_withAccuracy:0.1 2.70833333 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1232 |
1.0 asLongFloat exp_withAccuracy:0.01 2.71666667 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1233 |
1.0 asLongFloat exp_withAccuracy:0.001 2.71825397 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1234 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1235 |
1.0 asLongFloat exp_withAccuracy:1e-40 2.71828183 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1236 |
" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1237 |
! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1238 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1239 |
ln_withAccuracy:epsilon |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1240 |
"compute ln of the receiver" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1241 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1242 |
"/ uses taylor series: |
8844 | 1243 |
"/ u^2 u^3 |
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1244 |
"/ ln = u - --- + --- ... |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1245 |
"/ 2 3 |
8844 | 1246 |
"/ where: |
1247 |
"/ u = x - 1 |
|
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1248 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1249 |
|u u2 num den approx lastApprox| |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1250 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1251 |
u := self - 1. |
8844 | 1252 |
u2 := u * u. |
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1253 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1254 |
num := u2 negated. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1255 |
den := 2. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1256 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1257 |
approx := u + (num / den). |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1258 |
lastApprox := self. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1259 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1260 |
[ (lastApprox - approx) abs > epsilon ] whileTrue:[ |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1261 |
den := den + 1. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1262 |
num := (num * u) negated. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1263 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1264 |
lastApprox := approx. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1265 |
approx := approx + (num / den). |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1266 |
]. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1267 |
^ approx |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1268 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1269 |
" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1270 |
2.0 ln 0.693147 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1271 |
2.0 asLongFloat ln 0.693147181 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1272 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1273 |
2.0 asLongFloat ln_withAccuracy:1 0.833333333 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1274 |
2.0 asLongFloat ln_withAccuracy:0.1 0.645634921 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1275 |
2.0 asLongFloat ln_withAccuracy:0.01 0.688172179 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1276 |
2.0 asLongFloat ln_withAccuracy:0.001 0.692647431 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1277 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1278 |
2.0 asLongFloat ln_withAccuracy:1e-10 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1279 |
2.0 asLongFloat ln_withAccuracy:1e-20 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1280 |
2.0 asLongFloat ln_withAccuracy:1e-40 2.71828183 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1281 |
" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1282 |
! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1283 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1284 |
sin_withAccuracy:epsilon |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1285 |
"compute the sine of the receiver" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1286 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1287 |
"/ uses taylor series: |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1288 |
"/ x^3 x^5 x^7 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1289 |
"/ sin = x - --- + --- - --- ... |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1290 |
"/ 3!! 5!! 7!! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1291 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1292 |
|x2 facN num den approx lastApprox| |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1293 |
|
8844 | 1294 |
x2 := self * self. |
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1295 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1296 |
num := (x2 * self) negated. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1297 |
den := 2*3. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1298 |
facN := 3. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1299 |
approx := self + (num / den). |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1300 |
lastApprox := self. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1301 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1302 |
[ (lastApprox - approx) abs > epsilon ] whileTrue:[ |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1303 |
facN := facN + 2. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1304 |
den := den * (facN - 1) * facN. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1305 |
num := (num * x2) negated. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1306 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1307 |
lastApprox := approx. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1308 |
approx := approx + (num / den). |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1309 |
]. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1310 |
^ approx |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1311 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1312 |
" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1313 |
1.0 sin 0.841471 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1314 |
1.0 asLongFloat sin 0.841470985 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1315 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1316 |
1.0 asLongFloat sin_withAccuracy:1 0.833333333 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1317 |
1.0 asLongFloat sin_withAccuracy:0.1 0.841666667 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1318 |
1.0 asLongFloat sin_withAccuracy:0.01 0.841666667 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1319 |
1.0 asLongFloat sin_withAccuracy:0.001 0.841468254 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1320 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1321 |
1.0 asLongFloat sin_withAccuracy:1e-40 0.841470985 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1322 |
" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1323 |
! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1324 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1325 |
sinh_withAccuracy:epsilon |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1326 |
"compute the hyperbolic sine of the receiver" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1327 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1328 |
"/ uses taylor series: |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1329 |
"/ x^3 x^5 x^7 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1330 |
"/ sinh = x + --- + --- + --- ... |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1331 |
"/ 3!! 5!! 7!! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1332 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1333 |
|x2 facN num den approx lastApprox| |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1334 |
|
8844 | 1335 |
x2 := self * self. |
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1336 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1337 |
num := x2 * self. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1338 |
den := 2*3. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1339 |
facN := 3. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1340 |
approx := self + (num / den). |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1341 |
lastApprox := self. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1342 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1343 |
[ (lastApprox - approx) abs > epsilon ] whileTrue:[ |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1344 |
facN := facN + 2. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1345 |
den := den * (facN - 1) * facN. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1346 |
num := num * x2. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1347 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1348 |
lastApprox := approx. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1349 |
approx := approx + (num / den). |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1350 |
]. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1351 |
^ approx |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1352 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1353 |
" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1354 |
1.0 sinh 1.1752 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1355 |
1.0 asLongFloat sinh 1.17520119 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1356 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1357 |
1.0 asLongFloat sinh_withAccuracy:1 1.16666667 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1358 |
1.0 asLongFloat sinh_withAccuracy:0.1 1.175 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1359 |
1.0 asLongFloat sinh_withAccuracy:0.01 1.175 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1360 |
1.0 asLongFloat sinh_withAccuracy:0.001 1.17519841 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1361 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1362 |
1.0 asLongFloat sinh_withAccuracy:1e-40 1.17520119 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1363 |
" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1364 |
! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1365 |
|
7729
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1366 |
sqrt_withAccuracy:epsilon |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1367 |
"compute square root of the receiver" |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1368 |
" |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1369 |
Use the Heron Algorithm: |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1370 |
|
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1371 |
x_n + (a / x_n) |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1372 |
x_n+1 = --------------- |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1373 |
2 |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1374 |
|
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1375 |
sqrt(a) = x_n |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1376 |
" |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1377 |
|
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1378 |
|approx| |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1379 |
|
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1380 |
self <= 0 ifTrue:[ |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1381 |
self = 0 ifTrue:[ |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1382 |
^ self |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1383 |
]. |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1384 |
self error:'negative number in sqrt'. |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1385 |
]. |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1386 |
|
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1387 |
approx := 1. |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1388 |
[ |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1389 |
|lastApprox| |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1390 |
|
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1391 |
lastApprox := approx. |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1392 |
approx := ((self / approx) + approx) / 2. |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1393 |
(approx - lastApprox) abs > epsilon |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1394 |
] whileTrue. |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1395 |
^ approx |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1396 |
|
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1397 |
" |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1398 |
2 sqrt 1.41421 |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1399 |
2 asLongFloat sqrt_withAccuracy:0.01 1.41666667 |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1400 |
2 asLongFloat sqrt_withAccuracy:0.0001 1.41421569 |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1401 |
2 asLongFloat sqrt_withAccuracy:0.0000001 1.41421356 |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1402 |
2 asLongFloat sqrt_withAccuracy:0.0000000001 1.41421356 |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1403 |
2 asLongFloat sqrt_withAccuracy:0.000000000001 1.41421356 |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1404 |
2 asLongFloat sqrt_withAccuracy:LongFloat epsilon 1.41421356 |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1405 |
|
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1406 |
(4 sqrt_withAccuracy:Integer epsilon) asFloat |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1407 |
|
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1408 |
MessageTally spyOn:[ |arg| |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1409 |
arg := 2 asLongFloat. |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1410 |
1000000 timesRepeat:[ |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1411 |
arg sqrt_withAccuracy:0.000000000001 |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1412 |
] |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1413 |
] |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1414 |
Time millisecondsToRun:[ |arg| |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1415 |
arg := 2 asLongFloat. |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1416 |
1000000 timesRepeat:[ |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1417 |
arg sqrt_withAccuracy:0.000000000001 |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1418 |
] |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1419 |
] |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1420 |
" |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1421 |
! |
bbd20db09d1b
Fix senders of #xxxx_withAccuracy: to use #epsilon instead of #precision.
Stefan Vogel <sv@exept.de>
parents:
7468
diff
changeset
|
1422 |
|
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1423 |
tan_withAccuracy:epsilon |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1424 |
"compute the tangens of the receiver" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1425 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1426 |
"/ uses taylor series: |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1427 |
"/ x^3 x^5 x^7 x^9 2^2n * ( 2^2n - 1) * B2n * x^(2n-1) |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1428 |
"/ tan = x + 1*--- + 2*--- + 17*--- + 62*----... ----------------------------------... |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1429 |
"/ 3 15 315 2835 (2n)!! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1430 |
"/ where Bi is the ith bernoulli number. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1431 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1432 |
|factors idx x2 num t approx lastApprox| |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1433 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1434 |
"/ (1 to:20) collect:[:n| |num den| |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1435 |
"/ num := (2 raisedTo:(2*n)) * ((2 raisedTo:(2*n))-1) * ((n*2) bernoulli). |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1436 |
"/ den := (2*n) factorial. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1437 |
"/ num / den |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1438 |
"/ ] |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1439 |
factors := #( |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1440 |
(1 3) |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1441 |
(2 15) |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1442 |
(17 315) |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1443 |
(62 2835) |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1444 |
(1382 155925) |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1445 |
(21844 6081075) |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1446 |
(929569 638512875) |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1447 |
(6404582 10854718875) |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1448 |
(443861162 1856156927625) |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1449 |
(18888466084 194896477400625) |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1450 |
(113927491862 2900518163668125) |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1451 |
(58870668456604 3698160658676859375) |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1452 |
(8374643517010684 1298054391195577640625) |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1453 |
(689005380505609448 263505041412702261046875) |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1454 |
(129848163681107301953 122529844256906551386796875) |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1455 |
(1736640792209901647222 4043484860477916195764296875) |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1456 |
(418781231495293038913922 2405873491984360136479756640625) |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1457 |
(56518638202982204522669764 801155872830791925447758961328125) |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1458 |
(32207686319158956594455462 1126482925555250126673224649609375)). |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1459 |
|
8844 | 1460 |
x2 := self * self. |
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1461 |
|
8203 | 1462 |
num := x2 * self. "/ = x^3 |
1463 |
approx := self + (num / 3). "/ do the first iteration |
|
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1464 |
lastApprox := self. |
8203 | 1465 |
idx := 2. |
1466 |
[ |
|
1467 |
t := factors at:idx. |
|
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1468 |
idx := idx + 1. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1469 |
num := num * x2. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1470 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1471 |
lastApprox := approx. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1472 |
approx := approx + (num * t first / t second). |
8203 | 1473 |
epsilon < (lastApprox - approx) abs |
1474 |
] whileTrue. |
|
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1475 |
^ approx |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1476 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1477 |
" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1478 |
0.5 tan 0.546302 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1479 |
0.5 asLongFloat tan 0.54630249 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1480 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1481 |
0.5 asLongFloat tan_withAccuracy:1 0.541666667 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1482 |
0.5 asLongFloat tan_withAccuracy:0.1 0.541666667 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1483 |
0.5 asLongFloat tan_withAccuracy:0.01 0.545833333 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1484 |
0.5 asLongFloat tan_withAccuracy:0.001 0.54625496 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1485 |
0.5 asLongFloat tan_withAccuracy:1e-15 0.54630249 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1486 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1487 |
0.5 asLongFloat tan_withAccuracy:1e-40 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1488 |
" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1489 |
! ! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1490 |
|
701 | 1491 |
!Number methodsFor:'testing'! |
1492 |
||
5360 | 1493 |
isDivisibleBy:aNumber |
1494 |
"return true, if the receiver can be divided by the argument, aNumber without a remainder. |
|
1495 |
Notice, that the result is only worth trusting, if the receiver is an integer." |
|
1496 |
||
1497 |
aNumber = 0 ifTrue: [^ false]. |
|
1498 |
aNumber isInteger ifFalse: [^ false]. |
|
1499 |
^ (self \\ aNumber) = 0 |
|
1500 |
||
1501 |
" |
|
1502 |
3 isDivisibleBy:2 |
|
1503 |
4 isDivisibleBy:2 |
|
1504 |
4.0 isDivisibleBy:2 |
|
1505 |
4.5 isDivisibleBy:4.5 |
|
1506 |
4.5 isDivisibleBy:1.0 |
|
1507 |
" |
|
1508 |
! |
|
1509 |
||
6143 | 1510 |
isNaN |
1511 |
"return true, if the receiver is an invalid float (NaN - not a number)." |
|
1512 |
||
1513 |
^ false |
|
6155 | 1514 |
|
1515 |
"Created: / 5.11.2001 / 18:07:26 / cg" |
|
6143 | 1516 |
! |
1517 |
||
701 | 1518 |
isNumber |
1519 |
"return true, if the receiver is a kind of number" |
|
1520 |
||
1521 |
^ true |
|
1522 |
! |
|
1523 |
||
6087 | 1524 |
isReal |
1525 |
"return true, if the receiver is some kind of real number (as opposed to a complex); |
|
1526 |
true is returned here - the method is redefined from Object." |
|
1527 |
||
1528 |
^ true |
|
1529 |
! |
|
1530 |
||
701 | 1531 |
isZero |
1557 | 1532 |
"return true, if the receiver is zero" |
1533 |
||
701 | 1534 |
^ self = 0 |
1557 | 1535 |
|
1536 |
"Modified: 18.7.1996 / 12:40:49 / cg" |
|
701 | 1537 |
! ! |
1538 |
||
4659
cdf37afc0e26
moved isLiteral - some numbers are not.
Claus Gittinger <cg@exept.de>
parents:
4637
diff
changeset
|
1539 |
!Number methodsFor:'tracing'! |
cdf37afc0e26
moved isLiteral - some numbers are not.
Claus Gittinger <cg@exept.de>
parents:
4637
diff
changeset
|
1540 |
|
4682 | 1541 |
traceInto:aRequestor level:level from:referrer |
4659
cdf37afc0e26
moved isLiteral - some numbers are not.
Claus Gittinger <cg@exept.de>
parents:
4637
diff
changeset
|
1542 |
"double dispatch into tracer, passing my type implicitely in the selector" |
cdf37afc0e26
moved isLiteral - some numbers are not.
Claus Gittinger <cg@exept.de>
parents:
4637
diff
changeset
|
1543 |
|
4682 | 1544 |
^ aRequestor traceNumber:self level:level from:referrer |
4659
cdf37afc0e26
moved isLiteral - some numbers are not.
Claus Gittinger <cg@exept.de>
parents:
4637
diff
changeset
|
1545 |
|
cdf37afc0e26
moved isLiteral - some numbers are not.
Claus Gittinger <cg@exept.de>
parents:
4637
diff
changeset
|
1546 |
|
cdf37afc0e26
moved isLiteral - some numbers are not.
Claus Gittinger <cg@exept.de>
parents:
4637
diff
changeset
|
1547 |
! ! |
cdf37afc0e26
moved isLiteral - some numbers are not.
Claus Gittinger <cg@exept.de>
parents:
4637
diff
changeset
|
1548 |
|
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1549 |
!Number methodsFor:'trigonometric'! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1550 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1551 |
arcCos |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1552 |
"return the arccosine of the receiver (in radians)" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1553 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1554 |
(self isLimitedPrecisionReal not |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1555 |
or:[self generality < 1.0 generality]) ifTrue:[ |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1556 |
^ self asFloat arcCos. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1557 |
]. |
8844 | 1558 |
^ (self class pi / 2) - self arcSin |
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1559 |
! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1560 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1561 |
arcCosh |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1562 |
"return the hyperbolic arccosine of the receiver." |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1563 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1564 |
(self isLimitedPrecisionReal not |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1565 |
or:[self generality < 1.0 generality]) ifTrue:[ |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1566 |
^ self asFloat arcCosh. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1567 |
]. |
8844 | 1568 |
^ (self + (self*self-1) sqrt) ln. |
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1569 |
! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1570 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1571 |
arcSin |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1572 |
"return the arcsine of the receiver (in radians)" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1573 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1574 |
(self isLimitedPrecisionReal not |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1575 |
or:[self generality < 1.0 generality]) ifTrue:[ |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1576 |
^ self asFloat arcSin. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1577 |
]. |
8634 | 1578 |
^ self arcSin_withAccuracy:self epsilon |
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1579 |
! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1580 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1581 |
arcSinh |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1582 |
"return the hyperbolic arcsine of the receiver." |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1583 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1584 |
(self isLimitedPrecisionReal not |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1585 |
or:[self generality < 1.0 generality]) ifTrue:[ |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1586 |
^ self asFloat arcSinh. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1587 |
]. |
8844 | 1588 |
^ ( self + (self*self+1) sqrt ) ln |
1589 |
"/ ^ self arcSinh_withAccuracy:self epsilon |
|
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1590 |
! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1591 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1592 |
arcTan |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1593 |
"return the arctangent of the receiver (as radians)" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1594 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1595 |
(self isLimitedPrecisionReal not |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1596 |
or:[self generality < 1.0 generality]) ifTrue:[ |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1597 |
^ self asFloat arcTan. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1598 |
]. |
8634 | 1599 |
^ self arcTan_withAccuracy:self epsilon |
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1600 |
! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1601 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1602 |
arcTanh |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1603 |
"return the hyperbolic arctangent of the receiver." |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1604 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1605 |
(self isLimitedPrecisionReal not |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1606 |
or:[self generality < 1.0 generality]) ifTrue:[ |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1607 |
^ self asFloat arcTanh. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1608 |
]. |
8844 | 1609 |
^ ((self + 1) ln / 2) - ((1 - self) ln / 2) |
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1610 |
! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1611 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1612 |
cos |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1613 |
"return the cosine of the receiver (interpreted as radians)" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1614 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1615 |
(self isLimitedPrecisionReal not |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1616 |
or:[self generality < 1.0 generality]) ifTrue:[ |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1617 |
^ self asFloat cos. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1618 |
]. |
8634 | 1619 |
^ self cos_withAccuracy:self epsilon |
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1620 |
! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1621 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1622 |
cosh |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1623 |
"return the hyperbolic cosine of the receiver" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1624 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1625 |
(self isLimitedPrecisionReal not |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1626 |
or:[self generality < 1.0 generality]) ifTrue:[ |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1627 |
^ self asFloat cosh. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1628 |
]. |
8634 | 1629 |
^ self cosh_withAccuracy:self epsilon |
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1630 |
! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1631 |
|
8844 | 1632 |
cot |
1633 |
"return the cotangent of the receiver" |
|
1634 |
||
1635 |
^ 1 / self tan |
|
1636 |
! |
|
1637 |
||
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1638 |
sin |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1639 |
"return the sine of the receiver (interpreted as radians)" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1640 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1641 |
(self isLimitedPrecisionReal not |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1642 |
or:[self generality < 1.0 generality]) ifTrue:[ |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1643 |
^ self asFloat sin. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1644 |
]. |
8634 | 1645 |
^ self sin_withAccuracy:self epsilon |
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1646 |
! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1647 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1648 |
sinh |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1649 |
"return the hyperbolic sine of the receiver" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1650 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1651 |
(self isLimitedPrecisionReal not |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1652 |
or:[self generality < 1.0 generality]) ifTrue:[ |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1653 |
^ self asFloat sinh. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1654 |
]. |
8634 | 1655 |
^ self sinh_withAccuracy:self epsilon |
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1656 |
! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1657 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1658 |
tan |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1659 |
"return the tangens of the receiver (interpreted as radians)" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1660 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1661 |
^ self sin / self cos |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1662 |
! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1663 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1664 |
tanh |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1665 |
"return the hyperbolic tangens of the receiver" |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1666 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1667 |
(self isLimitedPrecisionReal not |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1668 |
or:[self generality < 1.0 generality]) ifTrue:[ |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1669 |
^ self asFloat tanh. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1670 |
]. |
8634 | 1671 |
^ self tanh_withAccuracy:self epsilon |
7449
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1672 |
|
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1673 |
"/ If a fast exp is available, the following might be better... |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1674 |
"/ |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1675 |
"/ |exp nexp| |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1676 |
"/ |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1677 |
"/ "/ tanh is: |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1678 |
"/ "/ sinh(x) |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1679 |
"/ "/ ------- |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1680 |
"/ "/ cosh(x) |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1681 |
"/ "/ |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1682 |
"/ "/ which is: |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1683 |
"/ "/ (exp(x) - exp(-x)) / 2 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1684 |
"/ "/ ---------------------- |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1685 |
"/ "/ (exp(x) + exp(-x)) / 2 |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1686 |
"/ |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1687 |
"/ exp := self exp. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1688 |
"/ nexp := self negated exp. |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1689 |
"/ |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1690 |
"/ ^ (exp - nexp) / (exp + nexp) |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1691 |
! ! |
192789c6e1c2
fallback code for trigonometric;
Claus Gittinger <cg@exept.de>
parents:
7388
diff
changeset
|
1692 |
|
5552 | 1693 |
!Number methodsFor:'truncation & rounding'! |
3900
c3bc76767cfc
added generic implementations of #fractionPart and #integerPart
Claus Gittinger <cg@exept.de>
parents:
3770
diff
changeset
|
1694 |
|
4895 | 1695 |
detentBy: detent atMultiplesOf: grid snap: snap |
1696 |
"Map all values that are within detent/2 of any multiple of grid |
|
1697 |
to that multiple. |
|
1698 |
Otherwise, if snap is true, return self, meaning that the values |
|
1699 |
in the dead zone will never be returned. |
|
1700 |
If snap is false, then expand the range between dead zones |
|
1701 |
so that it covers the range between multiples of the grid, |
|
1702 |
and scale the value by that factor." |
|
1703 |
||
1704 |
| r1 r2 | |
|
1705 |
||
1706 |
r1 := self roundTo: grid. "Nearest multiple of grid" |
|
1707 |
(self roundTo: detent) = r1 ifTrue: [^ r1]. "Snap to that multiple..." |
|
1708 |
snap ifTrue: [^ self]. "...or return self" |
|
1709 |
||
1710 |
r2 := self < r1 "Nearest end of dead zone" |
|
5322 | 1711 |
ifTrue: [r1 - (detent asFloat/2)] |
1712 |
ifFalse: [r1 + (detent asFloat/2)]. |
|
4895 | 1713 |
|
1714 |
"Scale values between dead zones to fill range between multiples" |
|
1715 |
^ r1 + ((self - r2) * grid asFloat / (grid - detent)) |
|
1716 |
||
1717 |
" |
|
1718 |
(170 to: 190 by: 2) collect: [:a | a detentBy: 10 atMultiplesOf: 90 snap: true] |
|
1719 |
(170 to: 190 by: 2) collect: [:a | a detentBy: 10 atMultiplesOf: 90 snap: false] |
|
1720 |
(3.9 to: 4.1 by: 0.02) collect: [:a | a detentBy: 0.1 atMultiplesOf: 1.0 snap: true] |
|
1721 |
(-3.9 to: -4.1 by: -0.02) collect: [:a | a detentBy: 0.1 atMultiplesOf: 1.0 snap: false] |
|
1722 |
" |
|
1723 |
! |
|
1724 |
||
3900
c3bc76767cfc
added generic implementations of #fractionPart and #integerPart
Claus Gittinger <cg@exept.de>
parents:
3770
diff
changeset
|
1725 |
fractionPart |
c3bc76767cfc
added generic implementations of #fractionPart and #integerPart
Claus Gittinger <cg@exept.de>
parents:
3770
diff
changeset
|
1726 |
"return a float with value from digits after the decimal point. |
7356 | 1727 |
i.e. the receiver minus its truncated value, |
1728 |
such that (self truncated + self fractionPart) = self" |
|
3900
c3bc76767cfc
added generic implementations of #fractionPart and #integerPart
Claus Gittinger <cg@exept.de>
parents:
3770
diff
changeset
|
1729 |
|
7356 | 1730 |
^ self - self truncated |
3900
c3bc76767cfc
added generic implementations of #fractionPart and #integerPart
Claus Gittinger <cg@exept.de>
parents:
3770
diff
changeset
|
1731 |
|
c3bc76767cfc
added generic implementations of #fractionPart and #integerPart
Claus Gittinger <cg@exept.de>
parents:
3770
diff
changeset
|
1732 |
" |
c3bc76767cfc
added generic implementations of #fractionPart and #integerPart
Claus Gittinger <cg@exept.de>
parents:
3770
diff
changeset
|
1733 |
1234.56789 fractionPart |
c3bc76767cfc
added generic implementations of #fractionPart and #integerPart
Claus Gittinger <cg@exept.de>
parents:
3770
diff
changeset
|
1734 |
1.2345e6 fractionPart |
7356 | 1735 |
|
1736 |
1.6 asLongFloat fractionPart + 1.6 asLongFloat truncated |
|
1737 |
-1.6 asLongFloat fractionPart + -1.6 asLongFloat truncated |
|
3900
c3bc76767cfc
added generic implementations of #fractionPart and #integerPart
Claus Gittinger <cg@exept.de>
parents:
3770
diff
changeset
|
1738 |
" |
c3bc76767cfc
added generic implementations of #fractionPart and #integerPart
Claus Gittinger <cg@exept.de>
parents:
3770
diff
changeset
|
1739 |
|
c3bc76767cfc
added generic implementations of #fractionPart and #integerPart
Claus Gittinger <cg@exept.de>
parents:
3770
diff
changeset
|
1740 |
"Modified: / 4.11.1996 / 20:26:54 / cg" |
c3bc76767cfc
added generic implementations of #fractionPart and #integerPart
Claus Gittinger <cg@exept.de>
parents:
3770
diff
changeset
|
1741 |
"Created: / 28.10.1998 / 17:14:40 / cg" |
c3bc76767cfc
added generic implementations of #fractionPart and #integerPart
Claus Gittinger <cg@exept.de>
parents:
3770
diff
changeset
|
1742 |
! |
c3bc76767cfc
added generic implementations of #fractionPart and #integerPart
Claus Gittinger <cg@exept.de>
parents:
3770
diff
changeset
|
1743 |
|
c3bc76767cfc
added generic implementations of #fractionPart and #integerPart
Claus Gittinger <cg@exept.de>
parents:
3770
diff
changeset
|
1744 |
integerPart |
c3bc76767cfc
added generic implementations of #fractionPart and #integerPart
Claus Gittinger <cg@exept.de>
parents:
3770
diff
changeset
|
1745 |
"return a float with value from digits before the decimal point |
c3bc76767cfc
added generic implementations of #fractionPart and #integerPart
Claus Gittinger <cg@exept.de>
parents:
3770
diff
changeset
|
1746 |
(i.e. the truncated value)" |
c3bc76767cfc
added generic implementations of #fractionPart and #integerPart
Claus Gittinger <cg@exept.de>
parents:
3770
diff
changeset
|
1747 |
|
c3bc76767cfc
added generic implementations of #fractionPart and #integerPart
Claus Gittinger <cg@exept.de>
parents:
3770
diff
changeset
|
1748 |
^ self truncated asFloat |
c3bc76767cfc
added generic implementations of #fractionPart and #integerPart
Claus Gittinger <cg@exept.de>
parents:
3770
diff
changeset
|
1749 |
|
c3bc76767cfc
added generic implementations of #fractionPart and #integerPart
Claus Gittinger <cg@exept.de>
parents:
3770
diff
changeset
|
1750 |
" |
c3bc76767cfc
added generic implementations of #fractionPart and #integerPart
Claus Gittinger <cg@exept.de>
parents:
3770
diff
changeset
|
1751 |
1234.56789 integerPart |
c3bc76767cfc
added generic implementations of #fractionPart and #integerPart
Claus Gittinger <cg@exept.de>
parents:
3770
diff
changeset
|
1752 |
1.2345e6 integerPart |
6154 | 1753 |
12.5 integerPart |
1754 |
-12.5 integerPart |
|
1755 |
(5/3) integerPart |
|
1756 |
(-5/3) integerPart |
|
1757 |
(5/3) truncated |
|
1758 |
(-5/3) truncated |
|
3900
c3bc76767cfc
added generic implementations of #fractionPart and #integerPart
Claus Gittinger <cg@exept.de>
parents:
3770
diff
changeset
|
1759 |
" |
c3bc76767cfc
added generic implementations of #fractionPart and #integerPart
Claus Gittinger <cg@exept.de>
parents:
3770
diff
changeset
|
1760 |
|
c3bc76767cfc
added generic implementations of #fractionPart and #integerPart
Claus Gittinger <cg@exept.de>
parents:
3770
diff
changeset
|
1761 |
"Created: / 28.10.1998 / 17:14:56 / cg" |
6154 | 1762 |
"Modified: / 5.11.2001 / 17:54:22 / cg" |
3900
c3bc76767cfc
added generic implementations of #fractionPart and #integerPart
Claus Gittinger <cg@exept.de>
parents:
3770
diff
changeset
|
1763 |
! ! |
c3bc76767cfc
added generic implementations of #fractionPart and #integerPart
Claus Gittinger <cg@exept.de>
parents:
3770
diff
changeset
|
1764 |
|
1892 | 1765 |
!Number class methodsFor:'documentation'! |
701 | 1766 |
|
1767 |
version |
|
9130
07e7a292aa76
fixedPoint reading fixed (explicit scale)
Claus Gittinger <cg@exept.de>
parents:
9127
diff
changeset
|
1768 |
^ '$Header: /cvs/stx/stx/libbasic/Number.st,v 1.99 2006-02-17 13:11:48 cg Exp $' |
701 | 1769 |
! ! |