version 1.10, 2006/10/27 21:47:02
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version 1.11, 2006/10/28 08:44:25
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Line 49 decimal
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Line 49 decimal
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{ 1e 0e f/ pad 16 represent drop 2drop pad 15 + c@ '0 = -> false } |
{ 1e 0e f/ pad 16 represent drop 2drop pad 15 + c@ '0 = -> false } |
{ 0e 0e f/ pad 16 represent drop 2drop pad 15 + c@ '0 = -> false } |
{ 0e 0e f/ pad 16 represent drop 2drop pad 15 + c@ '0 = -> false } |
{ -1e 0e f/ pad 16 represent drop 2drop pad 15 + c@ '0 = -> false } |
{ -1e 0e f/ pad 16 represent drop 2drop pad 15 + c@ '0 = -> false } |
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\ gforth now guarantees exceptions in division errors |
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\ division by zero |
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{ 1 0 ' / catch -> 1 0 -10 } |
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{ 1 0 ' mod catch -> 1 0 -10 } |
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{ 1 0 ' /mod catch -> 1 0 -10 } |
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{ 1 1 0 ' */mod catch -> 1 1 0 -10 } |
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{ 1 1 0 ' */ catch -> 1 1 0 -10 } |
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{ 1. 0 ' fm/mod catch -> 1. 0 -10 } |
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{ 1. 0 ' sm/rem catch -> 1. 0 -10 } |
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{ 1. 0 ' um/mod catch -> 1. 0 -10 } |
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\ division overflows (might come out as "division by zero" or "overflow") |
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environment-wordlist >order |
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{ 1 1 dnegate 2 ' sm/rem catch 0= -> -1 max-n invert true } |
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{ 1 1 -2 ' sm/rem catch 0= -> 1 max-n invert true } |
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{ max-u max-n 2/ max-n invert ' fm/mod catch -> -1 max-n invert 0 } |
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{ max-u max-n 2/ max-n invert ' sm/rem catch -> max-n max-n negate 0 } |
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{ 0 max-n 2/ 1+ max-n invert ' fm/mod catch -> 0 max-n invert 0 } |
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{ 0 max-n 2/ 1+ max-n invert ' sm/rem catch -> 0 max-n invert 0 } |
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{ 1 max-n 2/ 1+ max-n invert ' sm/rem catch 0= -> 1 max-n invert true } |
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{ 0 max-u -1. d+ max-u ' um/mod catch 0= -> max-u 1- max-u true } |
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