File:  [gforth] / gforth / test / float.fs
Revision 1.7: download - view: text, annotated - select for diffs
Mon Dec 31 18:40:26 2007 UTC (11 years, 4 months ago) by anton
Branches: MAIN
CVS tags: v0-7-0, HEAD
updated copyright notices for GPL v3

    1: \ float wordset test suite
    2: 
    3: \ Copyright (C) 2002,2006,2007 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: decimal
   21: 
   22: \ d>f d>d
   23: 
   24: {  4503599627370497. 2dup d>f f>d d= -> true }
   25: { -4503599627370497. 2dup d>f f>d d= -> true }
   26: {  9007199254740991. 2dup d>f f>d d= -> true }
   27: { -9007199254740991. 2dup d>f f>d d= -> true }
   28: 
   29: \ fround
   30: { 0.5e fround 0e f= -> true }
   31: { 1.5e fround 2e f= -> true }
   32: { 2.5e fround 2e f= -> true }
   33: { -0.5e fround -0e f= -> true }
   34: { -1.5e fround -2e f= -> true }
   35: { -2.5e fround -2e f= -> true }
   36: { 4503599627370495. d>f 0.5e f+ fround 4503599627370496. d>f f= -> true }
   37: { 4503599627370494. d>f 0.5e f+ fround 4503599627370494. d>f f= -> true }
   38: { 4503599627370497. d>f fdup fround f= -> true }
   39: { 9007199254740991. d>f fdup fround f= -> true }
   40: { -4503599627370495. d>f -0.5e f+ fround -4503599627370496. d>f f= -> true }
   41: { -4503599627370495. d>f  0.5e f+ fround -4503599627370494. d>f f= -> true }
   42: { -4503599627370497. d>f fdup fround f= -> true }
   43: { -9007199254740991. d>f fdup fround f= -> true }
   44: { 1.49999e fround 1e f= -> true }
   45: 
   46: \ >float (very incomplete, just a regression test)
   47: { s" -" >float -> false }
   48: { s" +" >float -> false }
   49: { s"   " >float 0e f= -> true true }
   50: { s" 2e+3e" >float -> false }
   51: { s" 2+3" >float -> 2000e true }

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>