version 1.15, 2007/12/31 18:40:26
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version 1.19, 2011/08/12 16:53:19
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\ test some gforth extension words |
\ test some gforth extension words |
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\ Copyright (C) 2003,2004,2005,2006,2007 Free Software Foundation, Inc. |
\ Copyright (C) 2003,2004,2005,2006,2007,2009 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 87 decimal
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Line 87 decimal
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{ -5 try-test3 -> 10 } |
{ -5 try-test3 -> 10 } |
{ 5 try-test3 -> 6 } |
{ 5 try-test3 -> 6 } |
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\ fcopysign |
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t{ 5e 1e fcopysign -> 5e }t |
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t{ -5e 1e fcopysign -> 5e }t |
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t{ 5e -1e fcopysign -> -5e }t |
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t{ -5e -1e fcopysign -> -5e }t |
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\ tests involving -0e? |
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\ ?of nextcase contof |
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: mysgn ( n1 -- n2 ) |
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case |
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dup 0< ?of drop -1 endof |
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dup 0> ?of drop 1 endof |
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dup |
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endcase ; |
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t{ 5 mysgn -> 1 } |
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t{ -3 mysgn -> -1 } |
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t{ 0 mysgn -> 0 } |
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: myscan ( addr1 n1 char -- addr2 n2 ) |
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>r case |
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dup 0= ?of endof |
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over c@ r@ = ?of endof |
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1 /string |
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dup nextcase |
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rdrop ; |
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t{ s" dhfa;jfsdk" 2dup ';' myscan 2swap 4 /string d= -> true } |
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t{ s" abcdef" 2dup 'g' myscan 2swap 6 /string d= -> true } |
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: gcd ( n1 n2 -- n ) |
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case |
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2dup > ?of tuck - contof |
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2dup < ?of over - contof |
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endcase ; |
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t{ 48 42 gcd -> 6 } |
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t{ 42 48 gcd -> 6 } |
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