/* * (c) copyright 1988 by the Vrije Universiteit, Amsterdam, The Netherlands. * See the copyright notice in the ACK home directory, in the file "Copyright". * * Author: Hans van Eck */ /* $Header$ */ #include #include double fmod(double x, double y) { double val; double frac; if (y == 0) { errno = EDOM; return 0; } frac = modf( x / y, &val); return frac * y; /* val = x / y; if (val > LONG_MIN && val < LONG_MAX) { long i = val; return x - i * y; } */ }