author | Claus Gittinger <cg@exept.de> |
Thu, 03 Aug 2017 16:41:13 +0200 | |
changeset 22159 | c8f19ee3f888 |
parent 20627 | 47ed4d83bc81 |
child 20727 | fb8c5591428b |
child 23808 | bd5b62807994 |
permissions | -rw-r--r-- |
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" |
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COPYRIGHT (c) 2011 by Claus Gittinger |
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All Rights Reserved |
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This software is furnished under a license and may be used |
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only in accordance with the terms of that license and with the |
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inclusion of the above copyright notice. This software may not |
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be provided or otherwise made available to, or used by, any |
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other person. No title to or ownership of the software is |
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hereby transferred. |
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" |
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"{ Package: 'stx:libbasic' }" |
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"{ NameSpace: Smalltalk }" |
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UninterpretedBytes subclass:#AbstractNumberVector |
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instanceVariableNames:'' |
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classVariableNames:'' |
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poolDictionaries:'' |
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category:'Collections-Arrayed' |
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! |
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!AbstractNumberVector class methodsFor:'documentation'! |
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copyright |
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" |
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COPYRIGHT (c) 2011 by Claus Gittinger |
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All Rights Reserved |
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||
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This software is furnished under a license and may be used |
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only in accordance with the terms of that license and with the |
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inclusion of the above copyright notice. This software may not |
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be provided or otherwise made available to, or used by, any |
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other person. No title to or ownership of the software is |
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hereby transferred. |
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" |
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! |
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documentation |
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" |
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abstract superclass for all direct storing number vector classes |
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(float, double, integer arrays) |
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Mostly to share double dispatch code. |
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[see also:] |
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IntegerArray FloatArray DoubleArray |
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ByteArray |
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(and many others) |
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! ! |
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class: AbstractNumberVector
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!AbstractNumberVector methodsFor:'arithmetic'! |
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class: AbstractNumberVector
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class: AbstractNumberVector
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* anObject |
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"return the product of the receiver and the argument. |
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The argument may either be a scalar or another vector" |
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class: AbstractNumberVector
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class: AbstractNumberVector
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^ self clone *= anObject |
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class: AbstractNumberVector
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class: AbstractNumberVector
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" |
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class: AbstractNumberVector
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#(1 2 3 4) asFloatArray * 3 |
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#(1 2 3 4) asFloatArray * #(1 2 3 4) asFloatArray |
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class: AbstractNumberVector
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" |
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class: AbstractNumberVector
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! |
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class: AbstractNumberVector
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class: AbstractNumberVector
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+ anObject |
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"return the sum of the receiver and the argument. |
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The argument may either be a scalar or another vector" |
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class: AbstractNumberVector
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class: AbstractNumberVector
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^ self clone += anObject |
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class: AbstractNumberVector
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ef67b8f2437e
class: AbstractNumberVector
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" |
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#(1 2 3 4) asFloatArray + 3 |
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#(1 2 3 4) asFloatArray + #(1 2 3 4) asFloatArray |
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class: AbstractNumberVector
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" |
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class: AbstractNumberVector
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! |
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class: AbstractNumberVector
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class: AbstractNumberVector
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- anObject |
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class: AbstractNumberVector
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"return the difference of the receiver and the argument. |
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class: AbstractNumberVector
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The argument may either be a scalar or another vector" |
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class: AbstractNumberVector
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class: AbstractNumberVector
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^ self clone -= anObject |
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class: AbstractNumberVector
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class: AbstractNumberVector
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" |
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class: AbstractNumberVector
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#(1 2 3 4) asFloatArray - 3 |
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class: AbstractNumberVector
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#(1 2 3 4) asFloatArray - #(1 2 3 4) asFloatArray |
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class: AbstractNumberVector
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" |
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class: AbstractNumberVector
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class: AbstractNumberVector
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"Created: / 30-05-2007 / 17:41:46 / cg" |
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class: AbstractNumberVector
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! |
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class: AbstractNumberVector
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class: AbstractNumberVector
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/ anObject |
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"return the division of the receiver and the argument. |
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The argument may either be a scalar or another vector" |
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class: AbstractNumberVector
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class: AbstractNumberVector
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^ self clone /= anObject |
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class: AbstractNumberVector
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" |
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#(1 2 3 4) asFloatArray / 3 |
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#(1 2 3 4) asFloatArray / #(1 2 3 4) asFloatArray |
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" |
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class: AbstractNumberVector
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class: AbstractNumberVector
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"Created: / 30-05-2007 / 17:46:05 / cg" |
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class: AbstractNumberVector
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! |
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class: AbstractNumberVector
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class: AbstractNumberVector
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abs |
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"return a new vector containing absolute values. |
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The receiver is unchanged" |
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class: AbstractNumberVector
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^ self clone primAbs |
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class: AbstractNumberVector
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" |
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#( -1 2 -3 4 -5 6 -7 8) abs. |
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#( -1 2 -3 4 -5 6 -7 8) asFloatArray abs. |
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" |
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class: AbstractNumberVector
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! |
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class: AbstractNumberVector
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class: AbstractNumberVector
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negated |
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"return a new vector containing negated values. |
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The receiver is unchanged" |
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|
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class: AbstractNumberVector
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^ self clone primNegated |
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|
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class: AbstractNumberVector
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" |
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#( -1 2 -3 4 -5 6 -7 8) negated. |
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#( -1 2 -3 4 -5 6 -7 8) asFloatArray negated. |
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" |
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class: AbstractNumberVector
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"Modified: / 30-05-2007 / 17:51:47 / cg" |
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! ! |
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|
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!AbstractNumberVector methodsFor:'arithmetic destructive'! |
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class: AbstractNumberVector
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*= anObject |
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"multiply the argument into the receiver (destructive). |
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The argument may either be a scalar or another vector" |
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class: AbstractNumberVector
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class: AbstractNumberVector
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^ anObject isNumber |
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ifTrue:[self primMulScalar: anObject asFloat] |
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ifFalse:[self primMulArray: anObject] |
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" |
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|f| |
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f := #(1 2 3 4) asFloatArray. |
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f *= 3. |
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f |
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" |
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" |
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|f| |
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f := #(1 2 3 4) asFloatArray. |
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f *= #(1 2 3 4) asFloatArray. |
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f |
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" |
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! |
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+= anObject |
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"add the argument into the receiver (destructive). |
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The argument may either be a scalar or another vector" |
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|
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class: AbstractNumberVector
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^ anObject isNumber |
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ifTrue:[self primAddScalar: anObject asFloat] |
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ifFalse:[self primAddArray: anObject] |
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" |
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|f| |
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|
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f := #(1 2 3 4) asFloatArray. |
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f += 3. |
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f |
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" |
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174 |
" |
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|f| |
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|
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f := #(1 2 3 4) asFloatArray. |
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f += #(1 2 3 4) asFloatArray. |
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f |
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" |
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! |
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|
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-= anObject |
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"subtract the argument from the receiver (destructive). |
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185 |
The argument may either be a scalar or another vector" |
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186 |
|
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^ anObject isNumber |
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ifTrue:[self primSubtractScalar: anObject asFloat] |
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ifFalse:[self primSubtractArray: anObject] |
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190 |
|
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" |
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|f| |
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|
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f := #(1 2 3 4) asFloatArray. |
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f -= 3. |
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f |
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" |
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198 |
" |
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class: AbstractNumberVector
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|
199 |
|f| |
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200 |
|
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f := #(1 2 3 4) asFloatArray. |
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f += #(1 2 3 4) asFloatArray. |
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f |
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" |
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205 |
|
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206 |
"Created: / 30-05-2007 / 17:42:13 / cg" |
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207 |
! |
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208 |
|
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/= anObject |
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"divide the argument into the receiver (destructive). |
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The argument may either be a scalar or another vector" |
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212 |
|
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class: AbstractNumberVector
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^ anObject isNumber |
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ifTrue:[self primDivScalar: anObject asFloat] |
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ifFalse:[self primDivArray: anObject] |
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|
216 |
|
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217 |
"Modified: / 30-05-2007 / 17:45:46 / cg" |
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218 |
! ! |
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219 |
|
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220 |
!AbstractNumberVector methodsFor:'destructive arithmetic support'! |
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221 |
|
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222 |
primAbs |
19921 | 223 |
"low performance fall back: destructive replace each element by its absolute value. |
224 |
May be redefined in subclasses to use vector instructions" |
|
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|
225 |
|
19921 | 226 |
|sz "{ Class: SmallInteger }"| |
227 |
||
228 |
sz := self size. |
|
229 |
1 to: sz do:[:i| self at:i put: (self at:i) abs]. |
|
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230 |
|
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class: AbstractNumberVector
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231 |
" |
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232 |
|f| |
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f := FloatArray withAll:#(-1 2 -3 4 -5). |
ef67b8f2437e
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|
234 |
Transcript showCR:f. |
ef67b8f2437e
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|
235 |
Transcript showCR:f abs. |
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|
236 |
|
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class: AbstractNumberVector
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|
237 |
|i| |
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|
238 |
i := SignedIntegerArray withAll:#(-1 2 -3 4 -5). |
ef67b8f2437e
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|
239 |
Transcript showCR:i. |
ef67b8f2437e
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|
240 |
Transcript showCR:i abs. |
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|
241 |
" |
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class: AbstractNumberVector
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|
242 |
! |
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|
243 |
|
19921 | 244 |
primAddArray:anArray |
17197
ef67b8f2437e
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|
245 |
"low performance fallback: destructively add the vector argument into the receiver. |
19921 | 246 |
The argument must be another vector. |
247 |
May be redefined in subclasses to use vector instructions" |
|
17197
ef67b8f2437e
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Claus Gittinger <cg@exept.de>
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|
248 |
|
19921 | 249 |
|sz "{ Class: SmallInteger }"| |
250 |
||
251 |
sz := self size. |
|
252 |
1 to:sz do:[:i| self at:i put: (self at:i) + (anArray at:i)]. |
|
17197
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
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|
253 |
|
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
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|
254 |
" |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
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changeset
|
255 |
|f1 f2| |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
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changeset
|
256 |
|
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
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|
257 |
f1 := FloatArray withAll:#(1 2 3 4 5). |
ef67b8f2437e
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|
258 |
f2 := FloatArray withAll:#(2 2 2 3 3). |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
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|
259 |
f1 += f2. |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
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|
260 |
f1 |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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changeset
|
261 |
" |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
262 |
! |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
263 |
|
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
264 |
primAddScalar: aScalar |
19921 | 265 |
"low performance fallback: destructively add the scalar argument into the receiver. |
266 |
May be redefined in subclasses to use vector instructions" |
|
17197
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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|
267 |
|
19921 | 268 |
|sz "{ Class: SmallInteger }"| |
269 |
||
270 |
sz := self size. |
|
271 |
1 to:sz do:[:i| self at:i put:(self at:i) + aScalar]. |
|
17197
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
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|
272 |
! |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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changeset
|
273 |
|
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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changeset
|
274 |
primDivArray: floatArray |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
275 |
"low performance fallback: destructively divide the vector argument into the receiver. |
19921 | 276 |
The argument must be another vector. |
277 |
May be redefined in subclasses to use vector instructions" |
|
17197
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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changeset
|
278 |
|
19921 | 279 |
|sz "{ Class: SmallInteger }"| |
280 |
||
281 |
sz := self size. |
|
282 |
1 to: sz do:[:i| self at: i put: (self at: i) / (floatArray at: i)]. |
|
17197
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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changeset
|
283 |
|
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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changeset
|
284 |
" |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
285 |
|f1 f2| |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
286 |
|
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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changeset
|
287 |
f1 := FloatArray withAll:#(1 2 3 4 5). |
ef67b8f2437e
class: AbstractNumberVector
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parents:
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changeset
|
288 |
f2 := FloatArray withAll:#(2 2 2 3 3). |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
289 |
f1 /= f2. |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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changeset
|
290 |
f1 |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
291 |
" |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
292 |
! |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
293 |
|
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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changeset
|
294 |
primDivScalar: aScalar |
19921 | 295 |
"low performace fallback: destructively divide each element of the receiver |
296 |
by the scalar argument. |
|
297 |
May be redefined in subclasses to use vector instructions" |
|
17197
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
298 |
|
19921 | 299 |
|sz "{ Class: SmallInteger }"| |
300 |
||
301 |
sz := self size. |
|
302 |
1 to: sz do:[:i| self at: i put: (self at: i) / aScalar ]. |
|
17197
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
303 |
! |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
304 |
|
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
305 |
primMulArray: floatArray |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
306 |
"low performance fallback: destructively multiply the vector argument into the receiver. |
19921 | 307 |
The argument must be another vector. |
308 |
May be redefined in subclasses to use vector instructions" |
|
17197
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
309 |
|
19921 | 310 |
|sz "{ Class: SmallInteger }"| |
311 |
||
312 |
sz := self size. |
|
313 |
1 to: sz do:[:i| self at: i put: (self at: i) * (floatArray at: i)]. |
|
17197
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
314 |
|
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
315 |
" |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
316 |
|f1 f2| |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
317 |
|
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
318 |
f1 := FloatArray withAll:#(1 2 3 4 5). |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
319 |
f2 := FloatArray withAll:#(2 2 2 3 3). |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
320 |
f1 *= f2. |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
321 |
f1 |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
322 |
" |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
323 |
! |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
324 |
|
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
325 |
primMulScalar: aScalar |
19921 | 326 |
"low performace fallback: destructively multiply each element of the receiver |
327 |
by the scalar argument. |
|
328 |
May be redefined in subclasses to use vector instructions" |
|
17197
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
329 |
|
19921 | 330 |
|sz "{ Class: SmallInteger }"| |
331 |
||
332 |
sz := self size. |
|
333 |
1 to: sz do:[:i| self at: i put: (self at: i) * aScalar ]. |
|
17197
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
334 |
! |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
335 |
|
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
336 |
primNegated |
19921 | 337 |
"low performance fallback: destructively negative value of each element. |
338 |
May be redefined in subclasses to use vector instructions" |
|
17197
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
339 |
|
19921 | 340 |
|sz "{ Class: SmallInteger }"| |
341 |
||
342 |
sz := self size. |
|
343 |
1 to: sz do:[:i| self at: i put: (self at: i) negated]. |
|
17197
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
344 |
|
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
345 |
" |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
346 |
|f| |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
347 |
|
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
348 |
f := FloatArray withAll:#(-1 2 -3 4 -5). |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
349 |
f negated. |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
350 |
f |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
351 |
" |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
352 |
! |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
353 |
|
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
354 |
primSubtractArray: floatArray |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
355 |
"low performance fallback: destructively subtract the vector argument into the receiver. |
19921 | 356 |
The argument must be another vector. |
357 |
May be redefined in subclasses to use vector instructions" |
|
17197
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
358 |
|
19921 | 359 |
|sz "{ Class: SmallInteger }"| |
360 |
||
361 |
sz := self size. |
|
362 |
1 to: sz do:[:i| self at: i put: (self at: i) - (floatArray at: i)]. |
|
17197
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
363 |
|
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
364 |
" |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
365 |
|f1 f2| |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
366 |
|
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
367 |
f1 := FloatArray withAll:#(1 2 3 4 5). |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
368 |
f2 := FloatArray withAll:#(2 2 2 3 3). |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
369 |
f1 -= f2. |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
370 |
f1 |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
371 |
" |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
372 |
! |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
373 |
|
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
374 |
primSubtractScalar: aScalar |
19921 | 375 |
"low performace fallback: destructively subtract the scalar argument |
376 |
from each element of the receiver. |
|
377 |
May be redefined in subclasses to use vector instructions" |
|
17197
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
378 |
|
19921 | 379 |
|sz "{ Class: SmallInteger }"| |
380 |
||
381 |
sz := self size. |
|
382 |
1 to: sz do:[:i| self at: i put: (self at: i) - aScalar ]. |
|
17197
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
383 |
! ! |
ef67b8f2437e
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
17163
diff
changeset
|
384 |
|
15934
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
385 |
!AbstractNumberVector methodsFor:'queries'! |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
386 |
|
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
387 |
absMax |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
388 |
"return the largest absolute value" |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
389 |
|
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
390 |
|minMax| |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
391 |
|
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
392 |
minMax := self minMax. |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
393 |
^ (minMax at:1) abs max:(minMax at:2) abs |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
394 |
|
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
395 |
" |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
396 |
|f1| |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
397 |
|
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
398 |
f1 := (1 to:1000) asFloatArray. |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
399 |
Time millisecondsToRun:[ 1000 timesRepeat:[ f1 absMax ] ] |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
400 |
" |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
401 |
|
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
402 |
" |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
403 |
|f1| |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
404 |
|
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
405 |
f1 := FloatArray withAll:#(1 2 3 4 5). |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
406 |
f1 absMax |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
407 |
" |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
408 |
" |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
409 |
|f1| |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
410 |
|
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
411 |
f1 := FloatArray withAll:#(5 4 3 2 1). |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
412 |
f1 absMax |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
413 |
" |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
414 |
" |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
415 |
|f1| |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
416 |
|
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
417 |
f1 := FloatArray withAll:#(5 -4 3 2 1). |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
418 |
f1 absMax |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
419 |
" |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
420 |
" |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
421 |
|f1| |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
422 |
|
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
423 |
f1 := FloatArray withAll:#(5 -5 3 2 1). |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
424 |
f1 absMax |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
425 |
" |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
426 |
" |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
427 |
|f1| |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
428 |
|
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
429 |
f1 := FloatArray withAll:#(5 -6 3 2 1). |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
430 |
f1 absMax |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
431 |
" |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
432 |
! ! |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
433 |
|
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
434 |
!AbstractNumberVector methodsFor:'vector arithmetic'! |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
435 |
|
17163
506b7f2ef014
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
15934
diff
changeset
|
436 |
length |
19220 | 437 |
<resource: #obsolete> |
17163
506b7f2ef014
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
15934
diff
changeset
|
438 |
"Return the length of the receiver interpreted as vector |
506b7f2ef014
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
15934
diff
changeset
|
439 |
(that is the length of the vector from 0.0 @ 0.0 @ ... @ 0.0 |
19029 | 440 |
to the point in the n-dimensional space represented by the receiver). |
441 |
Obsolete: the name 'length' may lead to confusion. |
|
442 |
therefore renamed to vectorLength" |
|
17163
506b7f2ef014
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
15934
diff
changeset
|
443 |
|
19029 | 444 |
self obsoleteMethodWarning:'use vectorLength'. |
445 |
^ self squaredVectorLength sqrt |
|
17163
506b7f2ef014
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
15934
diff
changeset
|
446 |
|
506b7f2ef014
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
15934
diff
changeset
|
447 |
" |
19029 | 448 |
#(10.0 10.0) asFloatArray vectorLength |
449 |
#(10.0 10.0 10.0) asFloatArray vectorLength |
|
17163
506b7f2ef014
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
15934
diff
changeset
|
450 |
" |
506b7f2ef014
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
15934
diff
changeset
|
451 |
! |
506b7f2ef014
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
15934
diff
changeset
|
452 |
|
506b7f2ef014
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
15934
diff
changeset
|
453 |
squaredLength |
19220 | 454 |
<resource: #obsolete> |
19029 | 455 |
"Return the squared length of the receiver interpreted as vector. |
456 |
Obsolete: the name 'squaredLength' may lead to confusion. |
|
457 |
therefore renamed to squaredVectorLength" |
|
17163
506b7f2ef014
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
15934
diff
changeset
|
458 |
|
19029 | 459 |
self obsoleteMethodWarning:'use squaredVectorLength'. |
17163
506b7f2ef014
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
15934
diff
changeset
|
460 |
^ self dot: self |
15934
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
461 |
! ! |
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
462 |
|
13824 | 463 |
!AbstractNumberVector class methodsFor:'documentation'! |
464 |
||
465 |
version |
|
19029 | 466 |
^ '$Header$' |
13824 | 467 |
! |
468 |
||
469 |
version_CVS |
|
19029 | 470 |
^ '$Header$' |
13824 | 471 |
! ! |
15934
2ac38e84aab5
class: AbstractNumberVector
Claus Gittinger <cg@exept.de>
parents:
14026
diff
changeset
|
472 |