Annotation of gforth/test/float.fs, revision 1.1
1.1 ! anton 1: \ float wordset test suite
! 2:
! 3: \ Copyright (C) 2002 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 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 }
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