/* Math functions for i387. Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by John C. Bowman , 1995. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include double fmod (double __x, double __y); double fmod (double __x, double __y) { register double __val; #ifdef __GNUC__ __asm __volatile__ ("1: fprem\n\t" "fstsw %%ax\n\t" "sahf\n\t" "jp 1b" : "=t" (__val) : "0" (__x), "u" (__y) : "ax", "cc"); #else __asm { fld __y fld __x L1: fprem1 fstsw ax sahf jp L1 fstp __val } #endif /*__GNUC__*/ return __val; }