Annotation of gforth/test/float.fs, revision 1.5

1.1       anton       1: \ float wordset test suite
                      2: 
1.4       anton       3: \ Copyright (C) 2002,2006 Free Software Foundation, Inc.
1.1       anton       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 2
                     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, write to the Free Software
                     19: \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
                     20: 
                     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 }
1.3       anton      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 }
1.5     ! anton      51: { s" 2e+3e" >float -> false }
        !            52: { s" 2+3" >float -> 2000e true }

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