version 1.9, 2006/10/22 16:54:01
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version 1.17, 2009/12/31 15:32:36
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\ test some gforth extension words |
\ test some gforth extension words |
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\ Copyright (C) 2003,2004,2005 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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\ Gforth is free software; you can redistribute it and/or |
\ Gforth is free software; you can redistribute it and/or |
\ modify it under the terms of the GNU General Public License |
\ modify it under the terms of the GNU General Public License |
\ as published by the Free Software Foundation; either version 2 |
\ as published by the Free Software Foundation, either version 3 |
\ of the License, or (at your option) any later version. |
\ of the License, or (at your option) any later version. |
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\ This program is distributed in the hope that it will be useful, |
\ This program is distributed in the hope that it will be useful, |
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\ GNU General Public License for more details. |
\ GNU General Public License for more details. |
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\ You should have received a copy of the GNU General Public License |
\ You should have received a copy of the GNU General Public License |
\ along with this program; if not, write to the Free Software |
\ along with this program. If not, see http://www.gnu.org/licenses/. |
\ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
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require ./tester.fs |
require ./tester.fs |
decimal |
decimal |
Line 44 decimal
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Line 43 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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\ gforth now guarantees exceptions in division errors |
\ TRY and friends |
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\ division by zero |
: 0<-throw ( n -- ) |
{ 1 0 ' / catch -> 1 0 -10 } |
0< throw ; |
{ 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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{ max-n invert -1 ' / catch 0= -> max-n invert -1 false } |
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{ max-n invert -1 ' mod catch 0= -> max-n invert -1 false } |
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{ max-n invert -1 ' /mod catch 0= -> max-n invert -1 false } |
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{ 1 max-n invert -1 ' */ catch 0= -> 1 max-n invert -1 false } |
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{ 1 max-n invert -1 ' */mod catch 0= -> 1 max-n invert -1 false } |
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{ max-n invert s>d -1 ' fm/mod catch 0= -> max-n invert s>d -1 false } |
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{ max-n invert s>d -1 ' sm/rem catch 0= -> max-n invert s>d -1 false } |
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{ 2 max-n 2/ 1+ 1 ' */ catch 0= -> 2 max-n 2/ 1+ 1 false } |
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{ 2 max-n 2/ 1+ 1 ' */mod catch 0= -> 2 max-n 2/ 1+ 1 false } |
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{ max-n 0 1. d+ 1 ' fm/mod catch 0= -> max-n 0 1. d+ 1 false } |
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{ max-n 0 1. d+ 1 ' sm/rem catch 0= -> max-n 0 1. d+ 1 false } |
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{ max-u 0 1. d+ 1 ' um/mod catch 0= -> max-u 0 1. d+ 1 false } |
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{ 1 1 dnegate 2 ' fm/mod catch 0= -> max-u 0 2. d+ dnegate 2 false } |
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{ 1 1 dnegate 2 ' sm/rem catch 0= -> -1 max-n invert true } |
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{ 1 1 -2 ' fm/mod catch 0= -> 1 1 -2 false } |
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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 } |
: try-test1 ( n1 -- n2 ) |
{ 0 max-n 2/ 1+ max-n invert ' sm/rem catch -> 0 max-n invert 0 } |
try |
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dup 0<-throw |
{ 1 max-n 2/ 1+ max-n invert ' fm/mod catch 0= -> 1 max-n 2/ 1+ max-n invert false } |
iferror |
{ 1 max-n 2/ 1+ max-n invert ' sm/rem catch 0= -> 1 max-n invert true } |
2drop 25 |
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then |
{ 0 max-u -1. d+ max-u ' um/mod catch 0= -> max-u 1- max-u true } |
1+ |
{ 0 max-u max-u ' um/mod catch 0= -> 0 max-u max-u false } |
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 } |
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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? |