35 lines
907 B
Text
35 lines
907 B
Text
#!/usr/bin/env retro -i -s
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By WilhelmVonWeiner: Matrices that store their bounds and a
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couple rushedly written tests.
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~~~
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{{
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:prepare (nms--knms) push dup-pair * rot rot pop ;
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:create (nms--) d:create dup-pair * #2 + allot ;
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:initialise (nm--) d:last.xt store-next store-next ;
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:fill (na--a) [ store-next ] times ;
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---reveal---
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:matrix (nms--a) create initialise ;
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:matrix<xs> (xn...x1nms-) prepare matrix swap fill drop ;
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}}
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~~~
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Test matrix, should print "matrix works!" and not "broken!".
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```
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:get-next n:dec dup fetch ;
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:broken 'broken s:put nl ;
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#3 #1 'tester matrix
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get-next #3 -eq? [ broken ] if
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get-next #1 -eq? [ broken ] if
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'matrix_works!_at_ s:put n:put nl
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```
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Test matrix<xs>, should be "contained!" thrice.
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```
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#30 #20 #10 #3 #1 'tester matrix<xs>
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{ tester #2 + #3 [ fetch-next swap ] times drop }
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[ { #10 #20 #30 } a:contains? [ 'contained! s:put sp nl ] if ] a:for-each
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```
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