FMOD(D) Linux Programmer's Manual FMOD(D) NAME fmod - floating-point remainder function SYNOPSIS #include <math.h> double fmod(double x, double y); DESCRIPTION The fmod() function computes the remainder of dividing x by y. The return value is x - n * y, where n is the quo- tient of x / y, rounded towards zero to an integer. RETURN VALUE The fmod() function returns the remainder, unless y is zero, when the function fails and errno is set. ERRORS EDOM The denominator y is zero. CONFORMING TO SVID 3, POSIX, BSD 4.3, ISO 9899 SEE ALSO drem(m) 1993-06-06 FMOD(D)