File:  [gforth] / gforth / test / float.fs
Revision 1.8: download - view: text, annotated - select for diffs
Wed Sep 1 16:52:12 2010 UTC (8 years, 10 months ago) by anton
Branches: MAIN
CVS tags: HEAD
added "TESTING" lines to many test files
Now use (THROW1) primitive

\ float wordset test suite

\ Copyright (C) 2002,2006,2007 Free Software Foundation, Inc.

\ This file is part of Gforth.

\ Gforth is free software; you can redistribute it and/or
\ modify it under the terms of the GNU General Public License
\ as published by the Free Software Foundation, either version 3
\ of the License, or (at your option) any later version.

\ This program is distributed in the hope that it will be useful,
\ but WITHOUT ANY WARRANTY; without even the implied warranty of
\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
\ GNU General Public License for more details.

\ You should have received a copy of the GNU General Public License
\ along with this program. If not, see http://www.gnu.org/licenses/.

testing float wordset
decimal

\ d>f d>d

{  4503599627370497. 2dup d>f f>d d= -> true }
{ -4503599627370497. 2dup d>f f>d d= -> true }
{  9007199254740991. 2dup d>f f>d d= -> true }
{ -9007199254740991. 2dup d>f f>d d= -> true }

\ fround
{ 0.5e fround 0e f= -> true }
{ 1.5e fround 2e f= -> true }
{ 2.5e fround 2e f= -> true }
{ -0.5e fround -0e f= -> true }
{ -1.5e fround -2e f= -> true }
{ -2.5e fround -2e f= -> true }
{ 4503599627370495. d>f 0.5e f+ fround 4503599627370496. d>f f= -> true }
{ 4503599627370494. d>f 0.5e f+ fround 4503599627370494. d>f f= -> true }
{ 4503599627370497. d>f fdup fround f= -> true }
{ 9007199254740991. d>f fdup fround f= -> true }
{ -4503599627370495. d>f -0.5e f+ fround -4503599627370496. d>f f= -> true }
{ -4503599627370495. d>f  0.5e f+ fround -4503599627370494. d>f f= -> true }
{ -4503599627370497. d>f fdup fround f= -> true }
{ -9007199254740991. d>f fdup fround f= -> true }
{ 1.49999e fround 1e f= -> true }

\ >float (very incomplete, just a regression test)
{ s" -" >float -> false }
{ s" +" >float -> false }
{ s"   " >float 0e f= -> true true }
{ s" 2e+3e" >float -> false }
{ s" 2+3" >float -> 2000e true }

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