File:  [gforth] / gforth / test / float.fs
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Mon Dec 31 15:25:19 2012 UTC (6 years, 7 months ago) by anton
Branches: MAIN
CVS tags: HEAD
updated copyright year

    1: \ float wordset test suite
    2: 
    3: \ Copyright (C) 2002,2006,2007,2010,2012 Free Software Foundation, Inc.
    4: 
    5: \ This file is part of Gforth.
    6: 
    7: \ Gforth is free software; you can redistribute it and/or
    8: \ modify it under the terms of the GNU General Public License
    9: \ as published by the Free Software Foundation, either version 3
   10: \ of the License, or (at your option) any later version.
   11: 
   12: \ This program is distributed in the hope that it will be useful,
   13: \ but WITHOUT ANY WARRANTY; without even the implied warranty of
   14: \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   15: \ GNU General Public License for more details.
   16: 
   17: \ You should have received a copy of the GNU General Public License
   18: \ along with this program. If not, see http://www.gnu.org/licenses/.
   19: 
   20: testing float wordset
   21: decimal
   22: 
   23: \ d>f d>d
   24: 
   25: {  4503599627370497. 2dup d>f f>d d= -> true }
   26: { -4503599627370497. 2dup d>f f>d d= -> true }
   27: {  9007199254740991. 2dup d>f f>d d= -> true }
   28: { -9007199254740991. 2dup d>f f>d d= -> true }
   29: 
   30: \ fround
   31: { 0.5e fround 0e f= -> true }
   32: { 1.5e fround 2e f= -> true }
   33: { 2.5e fround 2e f= -> true }
   34: { -0.5e fround -0e f= -> true }
   35: { -1.5e fround -2e f= -> true }
   36: { -2.5e fround -2e f= -> true }
   37: { 4503599627370495. d>f 0.5e f+ fround 4503599627370496. d>f f= -> true }
   38: { 4503599627370494. d>f 0.5e f+ fround 4503599627370494. d>f f= -> true }
   39: { 4503599627370497. d>f fdup fround f= -> true }
   40: { 9007199254740991. d>f fdup fround f= -> true }
   41: { -4503599627370495. d>f -0.5e f+ fround -4503599627370496. d>f f= -> true }
   42: { -4503599627370495. d>f  0.5e f+ fround -4503599627370494. d>f f= -> true }
   43: { -4503599627370497. d>f fdup fround f= -> true }
   44: { -9007199254740991. d>f fdup fround f= -> true }
   45: { 1.49999e fround 1e f= -> true }
   46: 
   47: \ >float (very incomplete, just a regression test)
   48: { s" -" >float -> false }
   49: { s" +" >float -> false }
   50: { s"   " >float 0e f= -> true true }
   51: { s" 2e+3e" >float -> false }
   52: { s" 2+3" >float -> 2000e true }
   53: 
   54: set-near
   55: \ transcendenal and other functions, mainly test effect on TOS (not FTOS)
   56: { 12345 2e 3e f** -> 12345 8e }
   57: { 12345 1.8e floor -> 12345 1e }
   58: { 12345 1.8e fround -> 12345 2e }
   59: { 12345 -1.8e fabs -> 12345 1.8e }
   60: { 12345 1e facos -> 12345 0e }
   61: { 12345 1e fasin -> 12345 pi 2e f/ }
   62: { 12345 0e fatan -> 12345 0e }
   63: { 12345 1e 0e fatan2 -> 12345 pi 2e f/ }
   64: { 12345 pi fcos -> 12345 -1e }
   65: { 12345 0e fexp -> 12345 1e }
   66: { 12345 0e fexpm1 -> 12345 0e }
   67: { 12345 1e fln -> 12345 0e }
   68: { 12345 0e flnp1 -> 12345 0e }
   69: { 12345 1e flog -> 12345 0e }
   70: { 12345 0e falog -> 12345 1e }
   71: { 12345 pi f2/ fsin -> 12345 1e }
   72: { 12345 0e fsincos -> 12345 0e 1e }
   73: { 12345 4e fsqrt -> 12345 2e }
   74: { 12345 pi 4e f/ ftan -> 12345 1e }
   75: { 12345 0e fsinh -> 12345 0e }
   76: { 12345 0e fcosh -> 12345 1e }
   77: { 12345 0e ftanh -> 12345 0e }
   78: { 12345 0e fasinh -> 12345 0e }
   79: { 12345 1e facosh -> 12345 0e }
   80: { 12345 0e fatanh -> 12345 0e }
   81: 

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