FMOD
Section: Linux Programmer's Manual (3)
Updated: June 6, 1993
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 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
SVID 3, POSIX, BSD 4.3, ISO 9899
SEE ALSO
drem(3)