diff options
Diffstat (limited to 'gnu/usr.bin/groff/libgroff/fmod.c')
-rw-r--r-- | gnu/usr.bin/groff/libgroff/fmod.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/gnu/usr.bin/groff/libgroff/fmod.c b/gnu/usr.bin/groff/libgroff/fmod.c new file mode 100644 index 0000000..74c5c36 --- /dev/null +++ b/gnu/usr.bin/groff/libgroff/fmod.c @@ -0,0 +1,28 @@ +/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc. + Written by James Clark (jjc@jclark.com) + +This file is part of groff. + +groff 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 2, or (at your option) any later +version. + +groff 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 groff; see the file COPYING. If not, write to the Free Software +Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include <math.h> + +double fmod(x, y) + double x, y; +{ + double quot = x/y; + return x - (quot < 0.0 ? ceil(quot) : floor(quot)) * y; +} + |