File:  [gforth] / gforth / engine / rint.c
Revision 1.1: download - view: text, annotated - select for diffs
Sun Dec 15 17:38:52 2002 UTC (18 years, 11 months ago) by anton
Branches: MAIN
CVS tags: v0-6-2, v0-6-1, v0-6-0, HEAD
fround is a primitive again
rint replacement function written

    1: /* rint replacement
    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: 
   22: #ifdef i386
   23: #define X (1024.*1024.*1024.*1024.*1024.*1024.*16.)
   24: #else /* !defined(386) */
   25: #define X (1024.*1024.*1024.*1024.*1024.*8.)
   26: #endif /* !defined(386) */
   27: double rint(double r)
   28: {
   29:   if (r<0.0)
   30:     return (r+X)-X;
   31:   else
   32:     return (r-X)+X;
   33: }
   34: 

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