fmod(3) -- Linux man page
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);
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.
The float and the long double variants are C99 requirements.
SEE ALSO
remainder(3)
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