24 lines
420 B
Forth
24 lines
420 B
Forth
This is an example adding two three element vectors.
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~~~
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:vadd (v1v2v3-)
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'abc 'cabcabcab reorder
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[ #2 + ] tri@ [ fetch ] bi@ + swap store
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[ n:inc ] tri@ [ fetch ] bi@ + swap store
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[ fetch ] bi@ + swap store ;
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~~~
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A test case:
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~~~
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'a d:create #1 , #2 , #3 ,
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'b d:create #2 , #3 , #4 ,
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'c d:create #3 allot
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&a &b &c vadd
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&c fetch-next putn nl
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fetch-next putn nl
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fetch putn nl
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~~~
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