author | Claus Gittinger <cg@exept.de> |
Fri, 29 Nov 2019 19:04:53 +0100 | |
changeset 2437 | 9a0290a12bae |
parent 2433 | 05f680f601f5 |
child 2438 | fee9c7662c51 |
permissions | -rw-r--r-- |
2309 | 1 |
"{ Encoding: utf8 }" |
2 |
||
1447 | 3 |
"{ Package: 'stx:goodies/regression' }" |
192 | 4 |
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5 |
"{ NameSpace: RegressionTests }" |
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6 |
||
7 |
TestCase subclass:#FloatTest |
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263 | 8 |
instanceVariableNames:'' |
9 |
classVariableNames:'' |
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poolDictionaries:'' |
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1067 | 11 |
category:'tests-Regression-Numbers' |
192 | 12 |
! |
13 |
||
14 |
||
1969 | 15 |
!FloatTest class methodsFor:'helpers'! |
194 | 16 |
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17 |
actualPrecisionOf:aFloatClass |
|
18 |
"get the actual number of valid bits in the mantissa. |
|
19 |
This does a real test (i.e. does not believe the compiled-in ifdefs)" |
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20 |
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1969 | 21 |
|one x count| |
22 |
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194 | 23 |
one := aFloatClass unity. "/ 1.0 in this class |
1447 | 24 |
x := one. |
194 | 25 |
count := 0. |
1447 | 26 |
|
662 | 27 |
[one + x > one] whileTrue:[ |
1969 | 28 |
x := x / 2. |
29 |
count := count + 1. |
|
194 | 30 |
]. |
31 |
^ count |
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32 |
||
33 |
" |
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1969 | 34 |
self actualPrecisionOf:ShortFloat |
35 |
self actualPrecisionOf:Float |
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36 |
self actualPrecisionOf:LongFloat |
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194 | 37 |
" |
38 |
! ! |
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39 |
||
192 | 40 |
!FloatTest methodsFor:'tests'! |
41 |
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194 | 42 |
test00_Precision |
43 |
"computed precision vs. assumed precision." |
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44 |
||
665 | 45 |
|a b| |
46 |
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1969 | 47 |
self assert:( (a := Float precision) = (b := self class actualPrecisionOf:Float)) |
48 |
description:('Float precision: %1 ~~ actual: %2' bindWith:a with:b). |
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49 |
self assert:( (a := ShortFloat precision) = (b := self class actualPrecisionOf:ShortFloat)) |
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50 |
description:('ShortFloat precision: %1 ~~ actual: %2' bindWith:a with:b). |
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51 |
self assert:( (a := LongFloat precision) = (b := self class actualPrecisionOf:LongFloat)) |
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52 |
description:('LongFloat precision: %1 ~~ actual: %2' bindWith:a with:b). |
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194 | 53 |
|
2420 | 54 |
"/ verify IEEE values |
55 |
self assert:(Float emin == -1022). |
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56 |
self assert:(Float emax == 1023). |
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57 |
self assert:(Float eBias == 1023). |
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2430 | 58 |
"/ self assert:(Float fmin = (2.0 raisedTo:-1023)). "/ 2.2250738585072E-308). |
59 |
"/ self assert:(Float fmax == (2.0 raisedTo:1022)). |
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2420 | 60 |
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61 |
self assert:(ShortFloat emin == -126). |
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62 |
self assert:(ShortFloat emax == 127). |
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63 |
self assert:(ShortFloat eBias == 127). |
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64 |
||
65 |
self assert:(HalfFloat emin == -14). |
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66 |
self assert:(HalfFloat emax == 15). |
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67 |
self assert:(HalfFloat eBias == 15). |
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68 |
||
69 |
self assert:(LongFloat emin == -16382). |
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70 |
self assert:(LongFloat emax == 16383). |
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71 |
self assert:(LongFloat eBias == 16383). |
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72 |
||
73 |
self assert:(QuadFloat emin == -16382). |
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74 |
self assert:(QuadFloat emax == 16383). |
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75 |
self assert:(QuadFloat eBias == 16383). |
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76 |
||
77 |
self assert:(OctaFloat emin == -262142). |
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self assert:(OctaFloat emax == 262143). |
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79 |
self assert:(OctaFloat eBias == 262143). |
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80 |
||
81 |
self assert:(QDouble emin == Float emin). |
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self assert:(QDouble emax == Float emax). |
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self assert:(QDouble eBias == Float eBias). |
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84 |
||
194 | 85 |
" |
86 |
self basicNew test00_Precision |
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" |
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665 | 88 |
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"Modified: / 03-05-2012 / 18:47:21 / cg" |
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194 | 90 |
! |
91 |
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192 | 92 |
test01_Nan |
93 |
"NaN in all avaliable formats." |
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94 |
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199 | 95 |
|shouldBeFloatNaN shouldBeLongFloatNaN shouldBeShortFloatNaN| |
192 | 96 |
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199 | 97 |
shouldBeFloatNaN := 0.0 uncheckedDivide: 0.0. |
98 |
self assert:( shouldBeFloatNaN isMemberOf:Float ). |
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99 |
self assert:( shouldBeFloatNaN isNaN ). |
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100 |
self assert:( shouldBeFloatNaN isFinite not ). |
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192 | 101 |
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199 | 102 |
shouldBeShortFloatNaN := 0.0 asShortFloat uncheckedDivide: 0.0 asShortFloat. |
103 |
self assert:( shouldBeShortFloatNaN isMemberOf:ShortFloat ). |
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104 |
self assert:( shouldBeShortFloatNaN isNaN ). |
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self assert:( shouldBeShortFloatNaN isFinite not ). |
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192 | 106 |
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199 | 107 |
shouldBeLongFloatNaN := 0.0 asLongFloat uncheckedDivide: 0.0 asLongFloat. |
108 |
self assert:( shouldBeLongFloatNaN isMemberOf:LongFloat ). |
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109 |
self assert:( shouldBeLongFloatNaN isNaN ). |
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110 |
self assert:( shouldBeLongFloatNaN isFinite not ). |
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192 | 111 |
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199 | 112 |
shouldBeFloatNaN := 0.0 uncheckedDivide: 0.0. |
113 |
self assert:( shouldBeFloatNaN asShortFloat isNaN ). |
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114 |
self assert:( shouldBeFloatNaN asLongFloat isNaN ). |
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192 | 115 |
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199 | 116 |
shouldBeShortFloatNaN := 0.0 asShortFloat uncheckedDivide: 0.0. |
117 |
self assert:( shouldBeShortFloatNaN asFloat isNaN ). |
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118 |
self assert:( shouldBeShortFloatNaN asLongFloat isNaN ). |
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192 | 119 |
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199 | 120 |
shouldBeLongFloatNaN := 0.0 asLongFloat uncheckedDivide: 0.0. |
121 |
self assert:( shouldBeLongFloatNaN asShortFloat isNaN ). |
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122 |
self assert:( shouldBeLongFloatNaN asLongFloat isNaN ). |
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123 |
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124 |
shouldBeFloatNaN := 0.0 uncheckedDivide: 0.0. |
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125 |
self should:[ shouldBeFloatNaN asInteger ] raise:DomainError. |
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192 | 126 |
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199 | 127 |
"/ mhmh - the following are not true (they silently return NaNs). |
128 |
"/ self should:[ shouldBeFloatNaN + 1 ] raise:DomainError. |
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129 |
"/ self should:[ shouldBeFloatNaN + 1.0 ] raise:DomainError. |
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130 |
"/ self should:[ shouldBeFloatNaN + 1.0 asShortFloat ] raise:DomainError. |
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131 |
"/ self should:[ shouldBeFloatNaN + 1.0 asLongFloat ] raise:DomainError. |
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192 | 132 |
"/ |
199 | 133 |
"/ self should:[ shouldBeFloatNaN - 1 ] raise:DomainError. |
134 |
"/ self should:[ shouldBeFloatNaN - 1.0 ] raise:DomainError. |
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135 |
"/ self should:[ shouldBeFloatNaN - 1.0 asShortFloat ] raise:DomainError. |
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136 |
"/ self should:[ shouldBeFloatNaN - 1.0 asLongFloat ] raise:DomainError. |
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192 | 137 |
|
138 |
"/ but these are: |
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199 | 139 |
self assert:( shouldBeFloatNaN + 1 ) isNaN. |
140 |
self assert:( shouldBeFloatNaN + 1.0 ) isNaN. |
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141 |
self assert:( shouldBeFloatNaN + 1.0 asShortFloat ) isNaN. |
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142 |
self assert:( shouldBeFloatNaN + 1.0 asLongFloat ) isNaN. |
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143 |
||
144 |
self assert:( shouldBeFloatNaN - 1 ) isNaN. |
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145 |
self assert:( shouldBeFloatNaN - 1.0 ) isNaN. |
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146 |
self assert:( shouldBeFloatNaN - 1.0 asShortFloat ) isNaN. |
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147 |
self assert:( shouldBeFloatNaN - 1.0 asLongFloat ) isNaN. |
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148 |
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149 |
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150 |
shouldBeShortFloatNaN := 0.0 asShortFloat uncheckedDivide: 0.0. |
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151 |
self should:[ shouldBeShortFloatNaN asInteger ] raise:DomainError. |
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192 | 152 |
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199 | 153 |
self assert:( shouldBeShortFloatNaN + 1 ) isNaN. |
154 |
self assert:( shouldBeShortFloatNaN + 1.0 ) isNaN. |
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155 |
self assert:( shouldBeShortFloatNaN + 1.0 asShortFloat ) isNaN. |
|
156 |
self assert:( shouldBeShortFloatNaN + 1.0 asLongFloat ) isNaN. |
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157 |
||
158 |
self assert:( shouldBeShortFloatNaN - 1 ) isNaN. |
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159 |
self assert:( shouldBeShortFloatNaN - 1.0 ) isNaN. |
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160 |
self assert:( shouldBeShortFloatNaN - 1.0 asShortFloat ) isNaN. |
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161 |
self assert:( shouldBeShortFloatNaN - 1.0 asLongFloat ) isNaN. |
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162 |
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163 |
shouldBeLongFloatNaN := 0.0 asLongFloat uncheckedDivide: 0.0. |
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164 |
self should:[ shouldBeLongFloatNaN asInteger ] raise:DomainError. |
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165 |
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166 |
self assert:( shouldBeLongFloatNaN + 1 ) isNaN. |
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167 |
self assert:( shouldBeLongFloatNaN + 1.0 ) isNaN. |
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168 |
self assert:( shouldBeLongFloatNaN + 1.0 asShortFloat ) isNaN. |
|
169 |
self assert:( shouldBeLongFloatNaN + 1.0 asLongFloat ) isNaN. |
|
170 |
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171 |
self assert:( shouldBeLongFloatNaN - 1 ) isNaN. |
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172 |
self assert:( shouldBeLongFloatNaN - 1.0 ) isNaN. |
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173 |
self assert:( shouldBeLongFloatNaN - 1.0 asShortFloat ) isNaN. |
|
174 |
self assert:( shouldBeLongFloatNaN - 1.0 asLongFloat ) isNaN. |
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192 | 175 |
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1621 | 176 |
shouldBeFloatNaN := Float NaN. |
177 |
self assert:( shouldBeFloatNaN isMemberOf:Float ). |
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178 |
self assert:( shouldBeFloatNaN isNaN ). |
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179 |
self assert:( shouldBeFloatNaN isFinite not ). |
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180 |
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181 |
shouldBeShortFloatNaN := ShortFloat NaN. |
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182 |
self assert:( shouldBeShortFloatNaN isMemberOf:ShortFloat ). |
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183 |
self assert:( shouldBeShortFloatNaN isNaN ). |
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184 |
self assert:( shouldBeShortFloatNaN isFinite not ). |
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185 |
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186 |
shouldBeLongFloatNaN := LongFloat NaN. |
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187 |
self assert:( shouldBeLongFloatNaN isMemberOf:LongFloat ). |
|
188 |
self assert:( shouldBeLongFloatNaN isNaN ). |
|
189 |
self assert:( shouldBeLongFloatNaN isFinite not ). |
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190 |
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192 | 191 |
" |
192 |
self basicNew test01_Nan |
|
193 |
" |
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1621 | 194 |
|
195 |
"Modified: / 20-06-2017 / 14:00:08 / cg" |
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192 | 196 |
! |
197 |
||
198 |
test02_Inf |
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199 |
"Infinity in all avaliable formats." |
|
200 |
||
203 | 201 |
|check posInf negInf| |
192 | 202 |
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1447 | 203 |
check := |
1621 | 204 |
[:v1 :v2 | |
192 | 205 |
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1621 | 206 |
posInf := v1 uncheckedDivide: v2. |
192 | 207 |
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1621 | 208 |
self assert:( posInf isMemberOf:v1 class ). |
209 |
self assert:( posInf isNaN not ). |
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210 |
self assert:( posInf isFinite not ). |
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211 |
self assert:( posInf isInfinite ). |
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212 |
self assert:( posInf positive ). |
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213 |
self assert:( posInf negative not ). |
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214 |
self assert:( posInf isNegativeInfinity not). |
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215 |
self assert:( posInf isPositiveInfinity ). |
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203 | 216 |
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1621 | 217 |
negInf := v1 negated uncheckedDivide: v2. |
192 | 218 |
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1621 | 219 |
self assert:( negInf isMemberOf:v1 class ). |
220 |
self assert:( negInf isNaN not ). |
|
221 |
self assert:( negInf isFinite not ). |
|
222 |
self assert:( negInf isInfinite ). |
|
223 |
self assert:( negInf positive not). |
|
224 |
self assert:( negInf negative ). |
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225 |
self assert:( negInf isNegativeInfinity ). |
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226 |
self assert:( negInf isPositiveInfinity not ). |
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192 | 227 |
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1621 | 228 |
self assert:( negInf + negInf = negInf). |
229 |
self assert:( posInf + posInf = posInf). |
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230 |
self assert:( negInf + posInf) isNaN. |
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231 |
self assert:( posInf + negInf) isNaN. |
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203 | 232 |
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1621 | 233 |
self assert:( negInf - posInf = negInf). |
234 |
self assert:( negInf - negInf) isNaN. |
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235 |
self assert:( posInf - negInf = posInf). |
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236 |
self assert:( posInf - posInf) isNaN. |
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203 | 237 |
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1621 | 238 |
self assert:( posInf + v1) = posInf. |
239 |
self assert:( posInf - v1) = posInf. |
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240 |
self assert:( negInf + v1) = negInf. |
|
241 |
self assert:( negInf - v1) = negInf. |
|
242 |
]. |
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192 | 243 |
|
244 |
check value: 1.0 value: 0.0. |
|
245 |
check value: 1.0 asShortFloat value: 0.0 asShortFloat. |
|
246 |
check value: 1.0 asLongFloat value: 0.0 asLongFloat. |
|
247 |
||
248 |
"/ these are not guaranteed to work with uncheckedDivide... |
|
249 |
"/ check value: 1.0 value: 0.0 asShortFloat. |
|
250 |
"/ check value: 1.0 value: 0.0 asLongFloat. |
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251 |
"/ |
|
252 |
"/ check value: 1.0 asShortFloat value: 0.0. |
|
253 |
"/ check value: 1.0 asShortFloat value: 0.0 asLongFloat. |
|
254 |
"/ |
|
255 |
"/ check value: 1.0 asLongFloat value: 0.0 asShortFloat. |
|
256 |
"/ check value: 1.0 asLongFloat value: 0.0. |
|
257 |
||
1621 | 258 |
{ Float . ShortFloat . LongFloat } |
259 |
do:[:cls | |
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260 |
posInf := cls infinity. |
|
261 |
self assert:( posInf isInfinite ). |
|
262 |
self assert:( posInf isFinite not ). |
|
263 |
self assert:( posInf > 0 ). |
|
264 |
self assert:( posInf >= 0 ). |
|
265 |
self assert:( posInf < 0 ) not. |
|
266 |
self assert:( posInf <= 0 ) not. |
|
267 |
||
268 |
negInf := cls negativeInfinity. |
|
269 |
self assert:( negInf isInfinite ). |
|
270 |
self assert:( negInf isFinite not ). |
|
271 |
self assert:( negInf < 0 ). |
|
272 |
self assert:( negInf <= 0 ). |
|
273 |
self assert:( negInf > 0 ) not. |
|
274 |
self assert:( negInf >= 0 ) not. |
|
2309 | 275 |
|
276 |
self assert:(posInf isNaN not). |
|
277 |
self assert:(posInf isFinite not). |
|
278 |
self assert:(posInf isInfinite). |
|
279 |
||
280 |
self assert:(negInf isNaN not). |
|
281 |
self assert:(negInf isFinite not). |
|
282 |
self assert:(negInf isInfinite). |
|
283 |
||
284 |
self assert:(posInf negated = negInf). |
|
285 |
self assert:(negInf negated = posInf). |
|
286 |
||
1621 | 287 |
]. |
288 |
||
192 | 289 |
" |
290 |
self basicNew test02_Inf |
|
291 |
" |
|
1621 | 292 |
|
293 |
"Modified: / 20-06-2017 / 14:03:08 / cg" |
|
2309 | 294 |
"Modified: / 10-06-2019 / 23:45:05 / Claus Gittinger" |
192 | 295 |
! |
296 |
||
297 |
test03_Conversion |
|
298 |
self assert:( 1.0 asTrueFraction == 1 ). |
|
299 |
self assert:( 2.0 asTrueFraction == 2 ). |
|
300 |
self assert:( 4.0 asTrueFraction == 4 ). |
|
301 |
self assert:( 8.0 asTrueFraction == 8 ). |
|
302 |
self assert:( 16.0 asTrueFraction == 16 ). |
|
303 |
self assert:( 1048576.0 asTrueFraction == 1048576 ). |
|
304 |
self assert:( 0.5 asTrueFraction = (1/2) ). |
|
305 |
self assert:( 0.25 asTrueFraction = (1/4) ). |
|
306 |
self assert:( 0.125 asTrueFraction = (1/8) ). |
|
307 |
||
308 |
self assert:( 1.0 asShortFloat asTrueFraction == 1 ). |
|
309 |
self assert:( 2.0 asShortFloat asTrueFraction == 2 ). |
|
310 |
self assert:( 4.0 asShortFloat asTrueFraction == 4 ). |
|
311 |
self assert:( 8.0 asShortFloat asTrueFraction == 8 ). |
|
312 |
self assert:( 16.0 asShortFloat asTrueFraction == 16 ). |
|
313 |
self assert:( 1048576.0 asShortFloat asTrueFraction == 1048576 ). |
|
314 |
self assert:( 0.5 asShortFloat asTrueFraction = (1/2) ). |
|
315 |
self assert:( 0.25 asShortFloat asTrueFraction = (1/4) ). |
|
316 |
self assert:( 0.125 asShortFloat asTrueFraction = (1/8) ). |
|
317 |
||
318 |
self assert:( 1.0 asLongFloat asTrueFraction == 1 ). |
|
319 |
self assert:( 2.0 asLongFloat asTrueFraction == 2 ). |
|
320 |
self assert:( 4.0 asLongFloat asTrueFraction == 4 ). |
|
321 |
self assert:( 8.0 asLongFloat asTrueFraction == 8 ). |
|
322 |
self assert:( 16.0 asLongFloat asTrueFraction == 16 ). |
|
323 |
self assert:( 1048576.0 asLongFloat asTrueFraction == 1048576 ). |
|
324 |
self assert:( 0.5 asLongFloat asTrueFraction = (1/2) ). |
|
325 |
self assert:( 0.25 asLongFloat asTrueFraction = (1/4) ). |
|
326 |
self assert:( 0.125 asLongFloat asTrueFraction = (1/8) ). |
|
327 |
||
203 | 328 |
self assert: ((5/9) asFloat - 0.555555555555) abs < 0.0000000001. |
329 |
self assert: ((5/9) asLongFloat - 0.555555555555) abs < 0.0000000001. |
|
330 |
self assert: ((Fraction basicNew setNumerator:500000000000 denominator:900000000000) |
|
1447 | 331 |
asLongFloat - 0.555555555555) abs < 0.000000000001. |
203 | 332 |
self assert: ((Fraction basicNew setNumerator:500000000001 denominator:900000000000) |
1447 | 333 |
asLongFloat - 0.555555555555) abs >= 0.000000000001. |
203 | 334 |
|
621 | 335 |
"/ under windows, a longFloat has only 10bytes with 64 bits precision |
336 |
OperatingSystem isMSWINDOWSlike ifFalse:[ |
|
1447 | 337 |
self assert: (8901234567890123456 asLongFloat asInteger = 8901234567890123456). |
338 |
self assert: (-8901234567890123456 asLongFloat asInteger = -8901234567890123456). |
|
621 | 339 |
]. |
1447 | 340 |
self assert: (89012345678901234567 asLongFloat = 89012345678901234567). |
203 | 341 |
self assert: (-89012345678901234567 asLongFloat = -89012345678901234567). |
342 |
self assert: (89012345678901234567 negated asLongFloat = -89012345678901234567). |
|
343 |
||
344 |
self assert: ((89012345678901234567 / 123456789123456789) asLongFloat - (89012345678901234567 asLongFloat / 123456789123456789 asLongFloat) ) abs < 0.000000000001. |
|
345 |
self assert: ((-89012345678901234567 / 123456789123456789) asLongFloat - (-89012345678901234567 asLongFloat / 123456789123456789 asLongFloat)) abs < 0.000000000001. |
|
346 |
||
192 | 347 |
" |
348 |
self basicNew test03_Conversion |
|
349 |
" |
|
621 | 350 |
|
351 |
"Modified: / 09-08-2011 / 21:01:57 / cg" |
|
192 | 352 |
! |
353 |
||
354 |
test04_Arithmetic |
|
355 |
self assert:( 1.0 + 1.0 ) class == Float. |
|
356 |
self assert:( 1.0 + 1.0 asShortFloat) class == Float. |
|
357 |
self assert:( 1.0 + 1.0 asLongFloat) class == LongFloat. |
|
358 |
self assert:( 1.0 + 1) class == Float. |
|
359 |
||
360 |
self assert:( 1.0 asShortFloat + 1.0 ) class == Float. |
|
361 |
self assert:( 1.0 asShortFloat + 1.0 asShortFloat) class == ShortFloat. |
|
362 |
self assert:( 1.0 asShortFloat + 1.0 asLongFloat) class == LongFloat. |
|
363 |
self assert:( 1.0 asShortFloat + 1) class == ShortFloat. |
|
364 |
||
365 |
self assert:( 1.0 asLongFloat + 1.0 ) class == LongFloat. |
|
366 |
self assert:( 1.0 asLongFloat + 1.0 asShortFloat ) class == LongFloat. |
|
367 |
self assert:( 1.0 asLongFloat + 1.0 asFloat ) class == LongFloat. |
|
368 |
self assert:( 1.0 asLongFloat + 1 ) class == LongFloat. |
|
369 |
||
370 |
||
371 |
self assert:( 1.0 - 1.0 ) class == Float. |
|
372 |
self assert:( 1.0 - 1.0 asShortFloat) class == Float. |
|
373 |
self assert:( 1.0 - 1.0 asLongFloat) class == LongFloat. |
|
374 |
self assert:( 1.0 - 1) class == Float. |
|
375 |
||
376 |
self assert:( 1.0 asShortFloat - 1.0 ) class == Float. |
|
377 |
self assert:( 1.0 asShortFloat - 1.0 asShortFloat) class == ShortFloat. |
|
378 |
self assert:( 1.0 asShortFloat - 1.0 asLongFloat) class == LongFloat. |
|
379 |
self assert:( 1.0 asShortFloat - 1) class == ShortFloat. |
|
380 |
||
381 |
self assert:( 1.0 asLongFloat - 1.0 ) class == LongFloat. |
|
382 |
self assert:( 1.0 asLongFloat - 1.0 asShortFloat ) class == LongFloat. |
|
383 |
self assert:( 1.0 asLongFloat - 1.0 asFloat ) class == LongFloat. |
|
384 |
self assert:( 1.0 asLongFloat - 1 ) class == LongFloat. |
|
385 |
||
386 |
||
387 |
self assert:( 1.0 * 1.0 ) class == Float. |
|
388 |
self assert:( 1.0 * 1.0 asShortFloat) class == Float. |
|
389 |
self assert:( 1.0 * 1.0 asLongFloat) class == LongFloat. |
|
390 |
self assert:( 1.0 * 1) class == Float. |
|
391 |
||
392 |
self assert:( 1.0 asShortFloat * 1.0 ) class == Float. |
|
393 |
self assert:( 1.0 asShortFloat * 1.0 asShortFloat) class == ShortFloat. |
|
394 |
self assert:( 1.0 asShortFloat * 1.0 asLongFloat) class == LongFloat. |
|
395 |
self assert:( 1.0 asShortFloat * 1) class == ShortFloat. |
|
396 |
||
397 |
self assert:( 1.0 asLongFloat * 1.0 ) class == LongFloat. |
|
398 |
self assert:( 1.0 asLongFloat * 1.0 asShortFloat ) class == LongFloat. |
|
399 |
self assert:( 1.0 asLongFloat * 1.0 asFloat ) class == LongFloat. |
|
400 |
self assert:( 1.0 asLongFloat * 1 ) class == LongFloat. |
|
401 |
||
402 |
||
403 |
self assert:( 1.0 / 1.0 ) class == Float. |
|
404 |
self assert:( 1.0 / 1.0 asShortFloat) class == Float. |
|
405 |
self assert:( 1.0 / 1.0 asLongFloat) class == LongFloat. |
|
406 |
self assert:( 1.0 / 1) class == Float. |
|
407 |
||
408 |
self assert:( 1.0 asShortFloat / 1.0 ) class == Float. |
|
409 |
self assert:( 1.0 asShortFloat / 1.0 asShortFloat) class == ShortFloat. |
|
410 |
self assert:( 1.0 asShortFloat / 1.0 asLongFloat) class == LongFloat. |
|
411 |
self assert:( 1.0 asShortFloat / 1) class == ShortFloat. |
|
412 |
||
413 |
self assert:( 1.0 asLongFloat / 1.0 ) class == LongFloat. |
|
414 |
self assert:( 1.0 asLongFloat / 1.0 asShortFloat ) class == LongFloat. |
|
415 |
self assert:( 1.0 asLongFloat / 1.0 asFloat ) class == LongFloat. |
|
416 |
self assert:( 1.0 asLongFloat / 1 ) class == LongFloat. |
|
417 |
||
1391 | 418 |
self assert:( 1.0 / 2.0 ) class == Float. |
419 |
self assert:( 1.0 / 2.0 asShortFloat) class == Float. |
|
420 |
self assert:( 1.0 / 2.0 asLongFloat) class == LongFloat. |
|
421 |
self assert:( 1.0 / 2) class == Float. |
|
422 |
||
423 |
self assert:( 1.0 asShortFloat / 2.0 ) class == Float. |
|
424 |
self assert:( 1.0 asShortFloat / 2.0 asShortFloat) class == ShortFloat. |
|
425 |
self assert:( 1.0 asShortFloat / 2.0 asLongFloat) class == LongFloat. |
|
426 |
self assert:( 1.0 asShortFloat / 2) class == ShortFloat. |
|
427 |
||
428 |
self assert:( 1.0 asLongFloat / 2.0 ) class == LongFloat. |
|
429 |
self assert:( 1.0 asLongFloat / 2.0 asShortFloat ) class == LongFloat. |
|
430 |
self assert:( 1.0 asLongFloat / 2.0 asFloat ) class == LongFloat. |
|
431 |
self assert:( 1.0 asLongFloat / 2 ) class == LongFloat. |
|
432 |
||
755
b1269691d037
class: RegressionTests::FloatTest
Claus Gittinger <cg@exept.de>
parents:
665
diff
changeset
|
433 |
self assert:( 5.0 rem: 2.0 ) class == Float. |
b1269691d037
class: RegressionTests::FloatTest
Claus Gittinger <cg@exept.de>
parents:
665
diff
changeset
|
434 |
self assert:( 5.0 rem: 2.0 asShortFloat) class == Float. |
b1269691d037
class: RegressionTests::FloatTest
Claus Gittinger <cg@exept.de>
parents:
665
diff
changeset
|
435 |
self assert:( 5.0 rem: 2.0 asLongFloat) class == LongFloat. |
b1269691d037
class: RegressionTests::FloatTest
Claus Gittinger <cg@exept.de>
parents:
665
diff
changeset
|
436 |
self assert:( 5.0 rem: 2) class == Float. |
b1269691d037
class: RegressionTests::FloatTest
Claus Gittinger <cg@exept.de>
parents:
665
diff
changeset
|
437 |
|
b1269691d037
class: RegressionTests::FloatTest
Claus Gittinger <cg@exept.de>
parents:
665
diff
changeset
|
438 |
self assert:( 5.0 asShortFloat rem: 2.0 ) class == Float. |
b1269691d037
class: RegressionTests::FloatTest
Claus Gittinger <cg@exept.de>
parents:
665
diff
changeset
|
439 |
self assert:( 5.0 asShortFloat rem: 2.0 asShortFloat) class == ShortFloat. |
b1269691d037
class: RegressionTests::FloatTest
Claus Gittinger <cg@exept.de>
parents:
665
diff
changeset
|
440 |
self assert:( 5.0 asShortFloat rem: 2.0 asLongFloat) class == LongFloat. |
b1269691d037
class: RegressionTests::FloatTest
Claus Gittinger <cg@exept.de>
parents:
665
diff
changeset
|
441 |
self assert:( 5.0 asShortFloat rem: 2) class == ShortFloat. |
b1269691d037
class: RegressionTests::FloatTest
Claus Gittinger <cg@exept.de>
parents:
665
diff
changeset
|
442 |
|
b1269691d037
class: RegressionTests::FloatTest
Claus Gittinger <cg@exept.de>
parents:
665
diff
changeset
|
443 |
self assert:( 5.0 asLongFloat rem: 2.0 ) class == LongFloat. |
b1269691d037
class: RegressionTests::FloatTest
Claus Gittinger <cg@exept.de>
parents:
665
diff
changeset
|
444 |
self assert:( 5.0 asLongFloat rem: 2.0 asShortFloat ) class == LongFloat. |
b1269691d037
class: RegressionTests::FloatTest
Claus Gittinger <cg@exept.de>
parents:
665
diff
changeset
|
445 |
self assert:( 5.0 asLongFloat rem: 2.0 asFloat ) class == LongFloat. |
b1269691d037
class: RegressionTests::FloatTest
Claus Gittinger <cg@exept.de>
parents:
665
diff
changeset
|
446 |
self assert:( 5.0 asLongFloat rem: 2 ) class == LongFloat. |
b1269691d037
class: RegressionTests::FloatTest
Claus Gittinger <cg@exept.de>
parents:
665
diff
changeset
|
447 |
|
192 | 448 |
" |
449 |
self basicNew test04_Arithmetic |
|
450 |
" |
|
451 |
! |
|
452 |
||
453 |
test05_Comparing |
|
1878 | 454 |
|convArray check v1 v2 v1b| |
203 | 455 |
|
1861 | 456 |
convArray := OrderedCollection new. |
457 |
convArray addAll:#(yourself asInteger asFloat asShortFloat asLongFloat). |
|
458 |
||
459 |
(Smalltalk at:#LargeFloat) notNil ifTrue:[ |
|
460 |
convArray add:#asLongFloat. |
|
461 |
]. |
|
462 |
||
203 | 463 |
check := [:iv1 :iv2| |
1861 | 464 |
convArray do:[:conv1 | |
1819 | 465 |
v1 := (iv1 perform:conv1). |
192 | 466 |
|
1819 | 467 |
self assert:( v1 = nil ) not. |
468 |
self assert:( nil = v1 ) not. |
|
469 |
self assert:( v1 ~= nil ). |
|
470 |
self assert:( nil ~= v1 ). |
|
203 | 471 |
|
1861 | 472 |
convArray do:[:conv2 | |
1819 | 473 |
v1b := (iv1 perform:conv2). |
203 | 474 |
|
1819 | 475 |
self assert:( v1 = v1b ). |
476 |
self assert:( v1 <= v1b ). |
|
477 |
self assert:( v1 >= v1b ). |
|
192 | 478 |
|
1819 | 479 |
v2 := (iv2 perform:conv2). |
192 | 480 |
|
1819 | 481 |
self assert:( v1 < v2 ). |
482 |
self assert:( v1 <= v2 ). |
|
483 |
self assert:( v2 >= v1 ). |
|
484 |
self assert:( v2 > v1 ). |
|
485 |
] |
|
486 |
]. |
|
203 | 487 |
]. |
488 |
||
489 |
check value:2 value:3. |
|
490 |
check value:0 value:1. |
|
491 |
check value:-1 value:0. |
|
492 |
check value:-3 value:-2. |
|
493 |
check value:-3 value:3. |
|
494 |
||
495 |
check value:-30 value:1. |
|
496 |
check value:-1 value:30. |
|
192 | 497 |
|
2228 | 498 |
"/ showing that float precision is limited... |
499 |
||
1820 | 500 |
"/ test fails when stc code, jit code works |
2228 | 501 |
false "(Helper |
1878 | 502 |
isStcCompiledMethod:#'test05_Comparing' |
2228 | 503 |
in:self)" ifTrue:[ |
1878 | 504 |
"/ stc-compiled code handles not slightly differently |
505 |
"/ listed compares will fail |
|
506 |
'FloatTest >> test05_Comparing: test with 200000000000000000000 or similiar are skipped due would fail when stc code' infoPrintCR. |
|
507 |
] ifFalse:[ |
|
2228 | 508 |
self assert:( 200000000000000000000.0 = 200000000000000000001.0 ). |
509 |
||
1878 | 510 |
self assert:( 200000000000000000000.0 = 200000000000000000001 ). |
511 |
self assert:( 200000000000000000000.0 = 200000000000000000000 ). |
|
512 |
self assert:( 200000000000000000000.0 asLongFloat = 200000000000000000000 ). |
|
1820 | 513 |
|
1878 | 514 |
self assert:( 200000000000000000000 = 200000000000000000000.0). |
515 |
self assert:( 200000000000000000000 = 200000000000000000000.0 asLongFloat ). |
|
1820 | 516 |
|
1878 | 517 |
self assert:( 200000000000000000000.0 < 200000100000000000000 ). |
518 |
self assert:( 200000000000000000000.0 asLongFloat < 200000000000100000000 ). |
|
519 |
self assert:( 200000000000000000000.0 asShortFloat < 200001000000000000000 ). |
|
263 | 520 |
|
1878 | 521 |
self assert:( 200000000000000000000 < 200001000000000000000.0). |
522 |
self assert:( 200000000000000000000 < 200001000000000000000.0 asLongFloat ). |
|
523 |
self assert:( 200000000000000000000 < 200001000000000000000.0 asShortFloat ). |
|
1820 | 524 |
|
1878 | 525 |
self assert:( 200000000000000000000.0 <= 200000100000000000000 ). |
526 |
self assert:( 200000000000000000000.0 <= 200000000000000000000 ). |
|
527 |
self assert:( 200000000000000000000.0 asLongFloat <= 200000000000000000001 ). |
|
528 |
self assert:( 200000000000000000000.0 asLongFloat <= 200000000000000000000 ). |
|
1820 | 529 |
|
1878 | 530 |
self assert:( 200000000000000000000 <= 200001000000000000000.0). |
531 |
self assert:( 200000000000000000000 <= 200000000000000000000.0). |
|
532 |
self assert:( 200000000000000000000 <= 200001000000000000000.0 asLongFloat ). |
|
533 |
self assert:( 200000000000000000000 <= 200000000000000000000.0 asLongFloat ). |
|
534 |
]. |
|
1820 | 535 |
|
203 | 536 |
self assert:( 2000000.0 asShortFloat = 2000000 ). |
537 |
self assert:( 2000000 = 2000000.0 asShortFloat ). |
|
200 | 538 |
|
203 | 539 |
self assert:( 2000000.0 asShortFloat <= 200000100000000000000 ). |
540 |
self assert:( 2000000.0 asShortFloat <= 2000000 ). |
|
200 | 541 |
|
203 | 542 |
self assert:( 2000000 <= 2000000.0 asShortFloat ). |
543 |
self assert:( 2000000 <= 2000000.0 asShortFloat ). |
|
200 | 544 |
|
192 | 545 |
" |
546 |
self basicNew test05_Comparing |
|
547 |
" |
|
2228 | 548 |
|
549 |
"Modified: / 06-05-2019 / 14:11:42 / Claus Gittinger" |
|
192 | 550 |
! |
551 |
||
552 |
test06_MiscMath |
|
263 | 553 |
|epsilon| |
554 |
||
555 |
epsilon := 0.000001. |
|
556 |
||
192 | 557 |
#( |
1624 | 558 |
sqrt 0.5 0.707107 |
559 |
sqrt 4 2.0 |
|
560 |
exp 0.5 1.64872 |
|
561 |
ln 0.5 -0.693147 |
|
562 |
log10 0.5 -0.30103 |
|
263 | 563 |
|
1624 | 564 |
sin 0.5 0.479426 |
565 |
cos 0.5 0.877583 |
|
566 |
tan 0.5 0.546302 |
|
567 |
arcSin 0.5 0.523599 |
|
568 |
arcCos 0.5 1.0472 |
|
569 |
arcTan 0.5 0.463648 |
|
570 |
sinh 0.5 0.521095 |
|
571 |
cosh 0.5 1.12763 |
|
572 |
tanh 0.5 0.462117 |
|
573 |
arcSinh 0.5 0.481212 |
|
574 |
arcCosh 1.5 1.24983 |
|
575 |
arcTanh 0.5 0.549306 |
|
263 | 576 |
|
1624 | 577 |
sin 0.0 0.0 |
578 |
cos 0.0 1.0 |
|
579 |
tan 0.0 0.0 |
|
580 |
sinh 0.0 0.0 |
|
581 |
cosh 0.0 1.0 |
|
582 |
tanh 0.0 0.0 |
|
263 | 583 |
|
1624 | 584 |
sin 1.0 0.841471 |
585 |
cos 1.0 0.540302 |
|
586 |
tan 1.0 1.55741 |
|
587 |
sinh 1.0 1.1752 |
|
588 |
cosh 1.0 1.54308 |
|
589 |
tanh 1.0 0.761594 |
|
263 | 590 |
|
1624 | 591 |
sin 3.14159 0.0 |
592 |
cos 3.14159 -1.0 |
|
593 |
tan 3.14159 0.0 |
|
594 |
sinh 3.14159 11.5487 |
|
595 |
cosh 3.14159 11.5919 |
|
596 |
tanh 3.14159 0.996272 |
|
263 | 597 |
|
598 |
||
1624 | 599 |
tan 0.785398 1.0 "pi/4 -> should be 1" |
600 |
arcCos -1.0 3.14159 "should be pi" |
|
601 |
arcSin 1.0 1.5708 "should be pi/2 (1.5708)" |
|
602 |
arcTan 1.0 0.785398 "should be pi/4 (.785398)" |
|
263 | 603 |
) inGroupsOf:3 do:[:op :x :expected| |
2433 | 604 |
|rslt rsltShortFloat rsltLongFloat rsltLargeFloat rsltQDouble| |
263 | 605 |
|
1624 | 606 |
rslt := x perform:op. |
607 |
rsltShortFloat := x asShortFloat perform:op. |
|
608 |
rsltLongFloat := x asLongFloat perform:op. |
|
263 | 609 |
"/ rsltLargeFloat := arg asLargeFloat perform:op. |
2433 | 610 |
"/ rsltQDouble := x asQDouble perform:op. |
263 | 611 |
|
1624 | 612 |
self assert:(rslt class == Float). |
613 |
"/ self assert:(rsltShortFloat class == Float). "/ ??? not a good test; some return a float |
|
614 |
self assert:(rsltLongFloat class == LongFloat). |
|
2433 | 615 |
"/ self assert:(rsltQDouble class == QDouble). |
263 | 616 |
|
1624 | 617 |
self assert:( rslt - rsltShortFloat ) < epsilon. |
618 |
self assert:( rslt - rsltLongFloat ) < epsilon. |
|
2433 | 619 |
"/ self assert:( rslt - rsltQDouble ) < epsilon. |
263 | 620 |
"/ self assert:( rslt - rsltLargeFloat ) < epsilon. |
1624 | 621 |
self assert:( rslt - rslt asShortFloat ) < epsilon. |
622 |
self assert:( rslt - rslt asLongFloat ) < epsilon. |
|
2433 | 623 |
"/ self assert:( rslt - rsltQDouble asFloat) < epsilon. |
263 | 624 |
"/ self assert:( rslt - rslt asLargeFloat ) < epsilon. |
625 |
]. |
|
626 |
||
627 |
self should:[ -2 arcSin ] raise:DomainError. |
|
628 |
self should:[ -2 arcCos ] raise:DomainError. |
|
629 |
self should:[ -1 arcTanh ] raise:DomainError. |
|
203 | 630 |
|
263 | 631 |
#( |
1624 | 632 |
0.0 |
633 |
0.5 |
|
634 |
1.0 |
|
635 |
2.0 |
|
636 |
1.57079 |
|
263 | 637 |
) do:[:x | |
1624 | 638 |
self assert:( x sin arcSin - x < epsilon). |
639 |
self assert:( x cos arcCos - x < epsilon). |
|
640 |
self assert:( x tan arcTan - x < epsilon). |
|
263 | 641 |
]. |
203 | 642 |
|
263 | 643 |
#( |
1624 | 644 |
-1.0 |
645 |
-0.5 |
|
646 |
0.0 |
|
647 |
0.5 |
|
648 |
1.0 |
|
263 | 649 |
) do:[:x | |
1624 | 650 |
self assert:( x arcSin sin - x < epsilon). |
651 |
self assert:( x arcCos cos - x < epsilon). |
|
652 |
self assert:( x arcTan tan - x < epsilon). |
|
263 | 653 |
]. |
203 | 654 |
|
263 | 655 |
#( |
1624 | 656 |
0.0 |
657 |
0.5 |
|
658 |
1.0 |
|
659 |
2.0 |
|
660 |
10 |
|
263 | 661 |
) do:[:x | |
1624 | 662 |
self assert:( x cosh arcCosh - x < epsilon). |
263 | 663 |
]. |
664 |
#( |
|
1624 | 665 |
-10 |
666 |
-2 |
|
667 |
-1 |
|
668 |
-0.5 |
|
669 |
0.0 |
|
670 |
0.5 |
|
671 |
1.0 |
|
672 |
2.0 |
|
673 |
10 |
|
263 | 674 |
) do:[:x | |
1624 | 675 |
self assert:( x sinh arcSinh - x < epsilon). |
676 |
self assert:( x tanh arcTanh - x < epsilon). |
|
263 | 677 |
]. |
678 |
||
198 | 679 |
|
263 | 680 |
#( |
1624 | 681 |
-0.99 |
682 |
-0.5 |
|
683 |
0.0 |
|
684 |
0.5 |
|
685 |
0.99 |
|
263 | 686 |
) do:[:x | |
1624 | 687 |
self assert:( x arcTanh - (( ( (1+x)/(1-x) ) ln ) / 2 ) ) < epsilon. |
263 | 688 |
]. |
689 |
||
690 |
#( |
|
1624 | 691 |
-10 |
692 |
-5 |
|
693 |
-2.0 |
|
694 |
-1.0 |
|
695 |
0.0 |
|
696 |
1.0 |
|
697 |
2.0 |
|
698 |
10 |
|
263 | 699 |
) do:[:x | |
1624 | 700 |
self assert:( x arcSinh sinh - x < epsilon). |
263 | 701 |
]. |
702 |
||
703 |
#( |
|
1624 | 704 |
1.0 |
705 |
2.0 |
|
706 |
10.0 |
|
263 | 707 |
) do:[:x | |
1624 | 708 |
self assert:( x arcCosh cosh - x < epsilon). |
198 | 709 |
]. |
192 | 710 |
|
1624 | 711 |
self assert:(2.0 raisedTo:2) = 4.0. |
712 |
self assert:(2 raisedTo:2.0) = 4.0. |
|
713 |
self assert:(2.0 raisedTo:2.0) = 4.0. |
|
714 |
||
192 | 715 |
" |
716 |
self basicNew test06_MiscMath |
|
717 |
" |
|
1321 | 718 |
|
1624 | 719 |
"Modified: / 02-07-2017 / 00:51:05 / cg" |
192 | 720 |
! |
721 |
||
722 |
test07_Truncation |
|
723 |
|check| |
|
724 |
||
725 |
check := [:num | |
|
1915 | 726 |
self assert:( num fractionPart + num truncated ) = num. |
727 |
self assert:( num fractionPart + num truncated ) class == num class. |
|
192 | 728 |
]. |
729 |
||
730 |
check value:1.6. |
|
731 |
check value:-1.6. |
|
732 |
||
733 |
check value:1.6 asShortFloat. |
|
734 |
check value:-1.6 asShortFloat. |
|
735 |
||
736 |
check value:1.6 asLongFloat. |
|
737 |
check value:-1.6 asLongFloat. |
|
738 |
||
739 |
||
740 |
self assert:( 1.6 ceiling ) = 2. |
|
741 |
self assert:( 1.6 asShortFloat ceiling ) = 2. |
|
742 |
self assert:( 1.6 asLongFloat ceiling ) = 2. |
|
743 |
||
744 |
self assert:( 1.6 ceilingAsFloat ) = 2.0. |
|
745 |
self assert:( 1.6 ceilingAsFloat ) class == Float. |
|
746 |
self assert:( 1.6 asShortFloat ceilingAsFloat ) = 2.0 asShortFloat. |
|
747 |
self assert:( 1.6 asShortFloat ceilingAsFloat ) class == ShortFloat. |
|
748 |
self assert:( 1.6 asLongFloat ceilingAsFloat ) = 2.0 asLongFloat. |
|
749 |
self assert:( 1.6 asLongFloat ceilingAsFloat ) class == LongFloat. |
|
750 |
||
751 |
||
752 |
self assert:( 1.6 floor ) = 1. |
|
753 |
self assert:( 1.6 asShortFloat floor ) = 1. |
|
754 |
self assert:( 1.6 asLongFloat floor ) = 1. |
|
755 |
||
756 |
self assert:( 1.6 floorAsFloat ) = 1.0. |
|
757 |
self assert:( 1.6 floorAsFloat ) class == Float. |
|
758 |
self assert:( 1.6 asShortFloat floorAsFloat ) = 1.0 asShortFloat. |
|
759 |
self assert:( 1.6 asShortFloat floorAsFloat ) class == ShortFloat. |
|
760 |
self assert:( 1.6 asLongFloat floorAsFloat ) = 1.0 asLongFloat. |
|
761 |
self assert:( 1.6 asLongFloat floorAsFloat ) class == LongFloat. |
|
762 |
||
1915 | 763 |
self assert:( -1.6 floor ) = -2. |
764 |
self assert:( -1.6 asShortFloat floor ) = -2. |
|
765 |
self assert:( -1.6 asLongFloat floor ) = -2. |
|
766 |
||
767 |
self assert:( -1.6 floorAsFloat ) = -2.0. |
|
768 |
self assert:( -1.6 floorAsFloat ) class == Float. |
|
769 |
self assert:( -1.6 asShortFloat floorAsFloat ) = -2.0 asShortFloat. |
|
770 |
self assert:( -1.6 asShortFloat floorAsFloat ) class == ShortFloat. |
|
771 |
self assert:( -1.6 asLongFloat floorAsFloat ) = -2.0 asLongFloat. |
|
772 |
self assert:( -1.6 asLongFloat floorAsFloat ) class == LongFloat. |
|
773 |
||
192 | 774 |
|
1447 | 775 |
self assert:( 0.4 rounded ) class == SmallInteger. |
776 |
self assert:( 0.4 rounded = 0 ). |
|
777 |
self assert:( 0.5 rounded = 1 ). |
|
778 |
self assert:( 0.6 rounded = 1 ). |
|
779 |
self assert:( -0.4 rounded = 0 ). |
|
780 |
self assert:( -0.5 rounded = -1 ). |
|
781 |
self assert:( -0.6 rounded = -1 ). |
|
192 | 782 |
|
1447 | 783 |
self assert:( 0.4 roundedAsFloat ) class == Float. |
784 |
self assert:( 0.4 roundedAsFloat = 0.0 ). |
|
785 |
self assert:( 0.5 roundedAsFloat = 1.0 ). |
|
786 |
self assert:( 0.6 roundedAsFloat = 1.0 ). |
|
787 |
self assert:( -0.4 roundedAsFloat = 0 ). |
|
788 |
self assert:( -0.5 roundedAsFloat = -1.0 ). |
|
789 |
self assert:( -0.6 roundedAsFloat = -1.0 ). |
|
192 | 790 |
|
1447 | 791 |
self assert:( 0.4 asShortFloat rounded ) class == SmallInteger. |
792 |
self assert:( 0.4 asShortFloat rounded = 0 ). |
|
793 |
self assert:( 0.5 asShortFloat rounded = 1 ). |
|
794 |
self assert:( 0.6 asShortFloat rounded = 1 ). |
|
795 |
self assert:( -0.4 asShortFloat rounded = 0 ). |
|
796 |
self assert:( -0.5 asShortFloat rounded = -1 ). |
|
797 |
self assert:( -0.6 asShortFloat rounded = -1 ). |
|
192 | 798 |
|
1447 | 799 |
self assert:( 0.4 asShortFloat roundedAsFloat ) class == ShortFloat. |
800 |
self assert:( 0.4 asShortFloat roundedAsFloat = 0.0 ). |
|
801 |
self assert:( 0.5 asShortFloat roundedAsFloat = 1.0 ). |
|
802 |
self assert:( 0.6 asShortFloat roundedAsFloat = 1.0 ). |
|
803 |
self assert:( -0.4 asShortFloat roundedAsFloat = 0 ). |
|
804 |
self assert:( -0.5 asShortFloat roundedAsFloat = -1.0 ). |
|
805 |
self assert:( -0.6 asShortFloat roundedAsFloat = -1.0 ). |
|
192 | 806 |
|
1447 | 807 |
self assert:( 0.4 asLongFloat rounded ) class == SmallInteger. |
808 |
self assert:( 0.4 asLongFloat rounded = 0 ). |
|
809 |
self assert:( 0.5 asLongFloat rounded = 1 ). |
|
810 |
self assert:( 0.6 asLongFloat rounded = 1 ). |
|
811 |
self assert:( -0.4 asLongFloat rounded = 0 ). |
|
812 |
self assert:( -0.5 asLongFloat rounded = -1 ). |
|
813 |
self assert:( -0.6 asLongFloat rounded = -1 ). |
|
192 | 814 |
|
1447 | 815 |
self assert:( 0.4 asLongFloat roundedAsFloat ) class == LongFloat. |
816 |
self assert:( 0.4 asLongFloat roundedAsFloat = 0.0 ). |
|
817 |
self assert:( 0.5 asLongFloat roundedAsFloat = 1.0 ). |
|
818 |
self assert:( 0.6 asLongFloat roundedAsFloat = 1.0 ). |
|
819 |
self assert:( -0.4 asLongFloat roundedAsFloat = 0 ). |
|
820 |
self assert:( -0.5 asLongFloat roundedAsFloat = -1.0 ). |
|
821 |
self assert:( -0.6 asLongFloat roundedAsFloat = -1.0 ). |
|
192 | 822 |
|
1447 | 823 |
self assert:( 0.4 truncated ) class == SmallInteger. |
824 |
self assert:( 0.4 truncated = 0 ). |
|
825 |
self assert:( 0.5 truncated = 0 ). |
|
826 |
self assert:( 0.6 truncated = 0 ). |
|
827 |
self assert:( -0.4 truncated = 0 ). |
|
828 |
self assert:( -0.5 truncated = 0 ). |
|
829 |
self assert:( -0.6 truncated = 0 ). |
|
192 | 830 |
|
1447 | 831 |
self assert:( 0.4 truncatedAsFloat ) class == Float. |
832 |
self assert:( 0.4 truncatedAsFloat = 0.0 ). |
|
833 |
self assert:( 0.5 truncatedAsFloat = 0.0 ). |
|
834 |
self assert:( 0.6 truncatedAsFloat = 0.0 ). |
|
835 |
self assert:( -0.4 truncatedAsFloat = 0 ). |
|
836 |
self assert:( -0.5 truncatedAsFloat = 0.0 ). |
|
837 |
self assert:( -0.6 truncatedAsFloat = 0.0 ). |
|
192 | 838 |
|
1447 | 839 |
self assert:( 0.4 asShortFloat truncated ) class == SmallInteger. |
840 |
self assert:( 0.4 asShortFloat truncated = 0 ). |
|
841 |
self assert:( 0.5 asShortFloat truncated = 0 ). |
|
842 |
self assert:( 0.6 asShortFloat truncated = 0 ). |
|
843 |
self assert:( -0.4 asShortFloat truncated = 0 ). |
|
844 |
self assert:( -0.5 asShortFloat truncated = 0 ). |
|
845 |
self assert:( -0.6 asShortFloat truncated = 0 ). |
|
192 | 846 |
|
1447 | 847 |
self assert:( 0.4 asShortFloat truncatedAsFloat ) class == ShortFloat. |
848 |
self assert:( 0.4 asShortFloat truncatedAsFloat = 0.0 ). |
|
849 |
self assert:( 0.5 asShortFloat truncatedAsFloat = 0.0 ). |
|
850 |
self assert:( 0.6 asShortFloat truncatedAsFloat = 0.0 ). |
|
851 |
self assert:( -0.4 asShortFloat truncatedAsFloat = 0 ). |
|
852 |
self assert:( -0.5 asShortFloat truncatedAsFloat = 0.0 ). |
|
853 |
self assert:( -0.6 asShortFloat truncatedAsFloat = 0.0 ). |
|
192 | 854 |
|
1447 | 855 |
self assert:( 0.4 asLongFloat truncated ) class == SmallInteger. |
856 |
self assert:( 0.4 asLongFloat truncated = 0 ). |
|
857 |
self assert:( 0.5 asLongFloat truncated = 0 ). |
|
858 |
self assert:( 0.6 asLongFloat truncated = 0 ). |
|
859 |
self assert:( -0.4 asLongFloat truncated = 0 ). |
|
860 |
self assert:( -0.5 asLongFloat truncated = 0 ). |
|
861 |
self assert:( -0.6 asLongFloat truncated = 0 ). |
|
192 | 862 |
|
1447 | 863 |
self assert:( 0.4 asLongFloat truncatedAsFloat ) class == LongFloat. |
864 |
self assert:( 0.4 asLongFloat truncatedAsFloat = 0.0 ). |
|
865 |
self assert:( 0.5 asLongFloat truncatedAsFloat = 0.0 ). |
|
866 |
self assert:( 0.6 asLongFloat truncatedAsFloat = 0.0 ). |
|
867 |
self assert:( -0.4 asLongFloat truncatedAsFloat = 0 ). |
|
868 |
self assert:( -0.5 asLongFloat truncatedAsFloat = 0.0 ). |
|
869 |
self assert:( -0.6 asLongFloat truncatedAsFloat = 0.0 ). |
|
192 | 870 |
|
871 |
" |
|
872 |
self basicNew test07_Truncation |
|
873 |
" |
|
197 | 874 |
! |
875 |
||
876 |
test08_Representation |
|
2425 | 877 |
|noQuadFloats noOctaFloats| |
878 |
||
879 |
noQuadFloats := UnimplementedFunctionalityError catch:[1.0 asQuadFloat]. |
|
880 |
noOctaFloats := UnimplementedFunctionalityError catch:[1.0 asOctaFloat]. |
|
881 |
||
1391 | 882 |
self assert: (Float unity class == Float). |
883 |
self assert: (ShortFloat unity class == ShortFloat). |
|
884 |
self assert: (LongFloat unity class == LongFloat). |
|
885 |
||
886 |
self assert: (Float unity = 1.0). |
|
887 |
self assert: (ShortFloat unity = 1.0). |
|
888 |
self assert: (LongFloat unity = 1.0). |
|
889 |
||
890 |
self assert: (Float zero class == Float). |
|
891 |
self assert: (ShortFloat zero class == ShortFloat). |
|
892 |
self assert: (LongFloat zero class == LongFloat). |
|
893 |
||
894 |
self assert: (Float zero = 0.0). |
|
895 |
self assert: (ShortFloat zero = 0.0). |
|
896 |
self assert: (LongFloat zero = 0.0). |
|
897 |
||
898 |
self assert:( LongFloat unity = 1 asLongFloat ). |
|
899 |
self assert:( ShortFloat unity = 1 asShortFloat ). |
|
900 |
self assert:( Float unity = 1 asFloat ). |
|
901 |
||
197 | 902 |
self assert:( 0.0 exponent = 0 ). |
903 |
self assert:( 1.0 exponent = 1 ). |
|
904 |
self assert:( 2.0 exponent = 2 ). |
|
905 |
self assert:( 3.0 exponent = 2 ). |
|
906 |
self assert:( 4.0 exponent = 3 ). |
|
907 |
self assert:( 0.5 exponent = 0 ). |
|
908 |
self assert:( 0.4 exponent = -1 ). |
|
909 |
self assert:( 0.25 exponent = -1 ). |
|
910 |
self assert:( 0.125 exponent = -2 ). |
|
911 |
self assert:( 0.00000011111 exponent = -23 ). |
|
912 |
||
1447 | 913 |
self assert:( 0.0 asShortFloat exponent = 0 ). |
197 | 914 |
self assert:( 1.0 asShortFloat exponent = 1 ). |
915 |
self assert:( 2.0 asShortFloat exponent = 2 ). |
|
916 |
self assert:( 3.0 asShortFloat exponent = 2 ). |
|
917 |
self assert:( 4.0 asShortFloat exponent = 3 ). |
|
918 |
self assert:( 0.5 asShortFloat exponent = 0 ). |
|
919 |
self assert:( 0.4 asShortFloat exponent = -1 ). |
|
920 |
self assert:( 0.25 asShortFloat exponent = -1 ). |
|
921 |
self assert:( 0.125 asShortFloat exponent = -2 ). |
|
922 |
self assert:( 0.00000011111 asShortFloat exponent = -23 ). |
|
923 |
||
1447 | 924 |
self assert:( 0.0 asLongFloat exponent = 0 ). |
197 | 925 |
self assert:( 1.0 asLongFloat exponent = 1 ). |
926 |
self assert:( 2.0 asLongFloat exponent = 2 ). |
|
927 |
self assert:( 3.0 asLongFloat exponent = 2 ). |
|
928 |
self assert:( 4.0 asLongFloat exponent = 3 ). |
|
929 |
self assert:( 0.5 asLongFloat exponent = 0 ). |
|
930 |
self assert:( 0.4 asLongFloat exponent = -1 ). |
|
931 |
self assert:( 0.25 asLongFloat exponent = -1 ). |
|
932 |
self assert:( 0.125 asLongFloat exponent = -2 ). |
|
933 |
self assert:( 0.00000011111 asLongFloat exponent = -23 ). |
|
934 |
||
2421 | 935 |
#( 1.0 1 |
936 |
2.0 2 |
|
937 |
3.0 3 |
|
938 |
4.0 4 |
|
939 |
12345.0 12345 |
|
940 |
0.0 0 |
|
941 |
-1.0 -1 |
|
942 |
-2.0 -2 |
|
943 |
-3.0 -3 |
|
944 |
-4.0 -4 |
|
945 |
-12345.0 -12345 |
|
946 |
) pairWiseDo:[:f :i | |
|
947 |
self assert:( f exponent = i exponent ). |
|
948 |
self assert:( f mantissa = i mantissa ). |
|
949 |
self assert:( f mantissa * (2 raisedTo:f exponent))= f. |
|
950 |
self assert:( i mantissa * (2 raisedTo:i exponent)) = i. |
|
951 |
||
952 |
self assert:( f exponent = f asShortFloat exponent ). |
|
953 |
self assert:( f exponent = f asLongFloat exponent ). |
|
954 |
self assert:( f exponent = f asQDouble exponent ). |
|
2422 | 955 |
self assert:( f asShortFloat mantissa * (2 raisedTo:f asShortFloat exponent))= f. |
956 |
self assert:( f asLongFloat mantissa * (2 raisedTo:f asLongFloat exponent))= f. |
|
957 |
self assert:( f asQDouble mantissa * (2 raisedTo:f asQDouble exponent))= f. |
|
2425 | 958 |
|
959 |
noQuadFloats ifFalse:[ |
|
960 |
self assert:( f exponent = f asQuadFloat exponent ). |
|
961 |
self assert:( f asQuadFloat mantissa * (2 raisedTo:f asQuadFloat exponent))= f. |
|
962 |
]. |
|
963 |
noOctaFloats ifFalse:[ |
|
964 |
self assert:( f exponent = f asOctaFloat exponent ). |
|
965 |
self assert:( f asOctaFloat mantissa * (2 raisedTo:f asOctaFloat exponent))= f. |
|
966 |
]. |
|
2421 | 967 |
]. |
197 | 968 |
" |
969 |
self basicNew test08_Representation |
|
970 |
" |
|
604 | 971 |
|
972 |
"Modified: / 02-08-2011 / 18:34:39 / cg" |
|
1626 | 973 |
! |
974 |
||
975 |
test09_ComplexRoots |
|
976 |
|rslt| |
|
977 |
||
978 |
self should:[ -4 sqrt ] raise:ImaginaryResultError. |
|
979 |
||
980 |
rslt := Complex trapImaginary:[ -4 sqrt ]. |
|
981 |
self assert:(rslt = 2 i). |
|
982 |
||
983 |
rslt := nil. |
|
984 |
Complex trapImaginary:[ rslt := -4 sqrt ]. |
|
985 |
self assert:(rslt = 2 i). |
|
986 |
||
987 |
self shouldnt:[ rslt := -8 cbrt ] raise:ImaginaryResultError. |
|
988 |
self assert:(rslt = -2). |
|
989 |
||
990 |
" |
|
991 |
self basicNew test09_ComplexRoots |
|
992 |
" |
|
993 |
||
994 |
"Created: / 03-07-2017 / 13:51:54 / cg" |
|
2437 | 995 |
! |
996 |
||
997 |
test_11_pi |
|
998 |
"/ pi / 4 = 4 arctan(1/5) - arctan(1/239) |
|
999 |
||
1000 |
| at1_5 at1_239 pi_4 pi err| |
|
1001 |
||
1002 |
at1_5 := (1.0 / 5) arcTan. |
|
1003 |
at1_239 := (1.0 / 239) arcTan. |
|
1004 |
pi_4 := (at1_5 * 4) - at1_239. |
|
1005 |
pi := pi_4 * 4. |
|
1006 |
err := Float pi - pi. |
|
1007 |
self assert:(err < (8 * Float epsilon)). |
|
192 | 1008 |
! ! |
1009 |
||
1010 |
!FloatTest class methodsFor:'documentation'! |
|
1011 |
||
1012 |
version |
|
1013 |
^ '$Header$' |
|
756
0fcddf68c5a4
class: RegressionTests::FloatTest
Claus Gittinger <cg@exept.de>
parents:
755
diff
changeset
|
1014 |
! |
0fcddf68c5a4
class: RegressionTests::FloatTest
Claus Gittinger <cg@exept.de>
parents:
755
diff
changeset
|
1015 |
|
0fcddf68c5a4
class: RegressionTests::FloatTest
Claus Gittinger <cg@exept.de>
parents:
755
diff
changeset
|
1016 |
version_CVS |
0fcddf68c5a4
class: RegressionTests::FloatTest
Claus Gittinger <cg@exept.de>
parents:
755
diff
changeset
|
1017 |
^ '$Header$' |
192 | 1018 |
! ! |
755
b1269691d037
class: RegressionTests::FloatTest
Claus Gittinger <cg@exept.de>
parents:
665
diff
changeset
|
1019 |