Diff for /gforth/test/gforth.fs between versions 1.10 and 1.14

version 1.10, 2006/10/27 21:47:02 version 1.14, 2007/12/31 17:34:59
Line 1 Line 1
 \ test some gforth extension words  \ test some gforth extension words
   
 \ Copyright (C) 2003,2004,2005 Free Software Foundation, Inc.  \ Copyright (C) 2003,2004,2005,2006,2007 Free Software Foundation, Inc.
   
 \ This file is part of Gforth.  \ This file is part of Gforth.
   
Line 44  decimal Line 44  decimal
 { 'A  -> 65 }  { 'A  -> 65 }
 { 1. '1 -> 1. 49 }  { 1. '1 -> 1. 49 }
   
 \ represent has no trailing 0s even for inf and nan  \ REPRESENT has no trailing 0s even for inf and nan
   
 {  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 }
   
 \ gforth now guarantees exceptions in division errors  \ TRY and friends
   
 \ division by zero  : 0<-throw ( n -- )
 { 1 0 ' /    catch -> 1 0 -10 }      0< throw ;
 { 1 0 ' mod  catch -> 1 0 -10 }  
 { 1 0 ' /mod catch -> 1 0 -10 }  
 { 1 1 0 ' */mod catch -> 1 1 0 -10 }  
 { 1 1 0 ' */    catch -> 1 1 0 -10 }  
 { 1. 0 ' fm/mod catch -> 1. 0 -10 }  
 { 1. 0 ' sm/rem catch -> 1. 0 -10 }  
 { 1. 0 ' um/mod catch -> 1. 0 -10 }  
   
 \ division overflows (might come out as "division by zero" or "overflow")  : try-test1 ( n1 -- n2 )
 environment-wordlist >order      try
 { 1 1 dnegate 2 ' sm/rem catch 0= -> -1 max-n invert true }          dup 0<-throw
           iferror
               2drop 25
           then
           1+
       endtry ;
   
   { -5 try-test1 -> 26 }
   { 5  try-test1 ->  6 }
   
   : try-test2 ( n1 -- n2 )
       try
           0
       restore
           drop 1+ dup 0<-throw
       endtry ;
   
   { -5 try-test2 -> 0 }
   {  5 try-test2 -> 6 }
   
   : try-test3 ( n1 -- n2 )
       try
           dup 0<-throw
       endtry-iferror
           2drop 10
       else
           1+
       then ;
   
 { 1 1 -2 ' sm/rem catch 0= -> 1 max-n invert true }  { -5 try-test3 -> 10 }
   {  5 try-test3 ->  6 }
 { max-u max-n 2/ max-n invert ' fm/mod catch -> -1 max-n invert 0 }  
 { max-u max-n 2/ max-n invert ' sm/rem catch -> max-n max-n negate 0 }  
   
 { 0 max-n 2/ 1+ max-n invert ' fm/mod catch -> 0 max-n invert 0 }  
 { 0 max-n 2/ 1+ max-n invert ' sm/rem catch -> 0 max-n invert 0 }  
   
 { 1 max-n 2/ 1+ max-n invert ' sm/rem catch 0= -> 1 max-n invert true }  
   
 { 0 max-u -1. d+ max-u ' um/mod catch 0= -> max-u 1- max-u true }  

Removed from v.1.10  
changed lines
  Added in v.1.14


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