fmod (3)

FMOD(3) Linux Programmer's Manual FMOD(3) NAME fmod, fmodf, fmodl - floating-point remainder function SYNOPSIS #include <math.h> double fmod(double x, double y); float fmodf(float x, float y); long double fmodl(long double x, long double y); Link with -lm. DESCRIPTION The fmod() function computes the remainder of dividing x by y. The return value is x - n * y, where n is the quotient 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 SVr4, 4.3BSD, C89. The float and long double variants are C99 require- ments. SEE ALSO remainder(3) 2002-07-27 FMOD(3)