Annotation of gforth/engine/rint.c, revision 1.2

1.1       anton       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
1.2     ! anton       9:   as published by the Free Software Foundation, either version 3
1.1       anton      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
1.2     ! anton      18:   along with this program; if not, see http://www.gnu.org/licenses/.
1.1       anton      19: */
                     20: 
                     21: #ifdef i386
                     22: #define X (1024.*1024.*1024.*1024.*1024.*1024.*16.)
                     23: #else /* !defined(386) */
                     24: #define X (1024.*1024.*1024.*1024.*1024.*8.)
                     25: #endif /* !defined(386) */
                     26: double rint(double r)
                     27: {
                     28:   if (r<0.0)
                     29:     return (r+X)-X;
                     30:   else
                     31:     return (r-X)+X;
                     32: }
                     33: 

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