1.47 remainder, remainderf—round and remainder

Synopsis

#include <math.h>
double remainder(double x, double y);
float remainderf(float x, float y);

Description
remainder and remainderf find the remainder of x/y; this value is in the range -y/2 .. +y/2.

Returns
remainder returns the integer result as a double.

Portability
remainder is a System V release 4. remainderf is an extension.