version 1.12, 2006/12/31 13:39:20
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version 1.14, 2007/12/31 17:34:59
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\ test some gforth extension words |
\ test some gforth extension words |
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\ Copyright (C) 2003,2004,2005,2006 Free Software Foundation, Inc. |
\ Copyright (C) 2003,2004,2005,2006,2007 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
\ This file is part of Gforth. |
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Line 44 decimal
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Line 44 decimal
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{ 'A -> 65 } |
{ 'A -> 65 } |
{ 1. '1 -> 1. 49 } |
{ 1. '1 -> 1. 49 } |
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\ represent has no trailing 0s even for inf and nan |
\ REPRESENT has no trailing 0s even for inf and nan |
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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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\ TRY and friends |
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: 0<-throw ( n -- ) |
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0< throw ; |
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: try-test1 ( n1 -- n2 ) |
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try |
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dup 0<-throw |
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iferror |
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2drop 25 |
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then |
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1+ |
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endtry ; |
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{ -5 try-test1 -> 26 } |
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{ 5 try-test1 -> 6 } |
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: try-test2 ( n1 -- n2 ) |
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try |
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0 |
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restore |
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drop 1+ dup 0<-throw |
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endtry ; |
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{ -5 try-test2 -> 0 } |
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{ 5 try-test2 -> 6 } |
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: try-test3 ( n1 -- n2 ) |
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try |
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dup 0<-throw |
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endtry-iferror |
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2drop 10 |
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else |
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1+ |
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then ; |
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{ -5 try-test3 -> 10 } |
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{ 5 try-test3 -> 6 } |