DREM

Section: Linux Programmer's Manual (3)
Updated: June 6, 1993
 

NAME

drem - floating-point remainder function  

SYNOPSIS

#include <math.h>

double drem(double x, double y);
 

DESCRIPTION

The drem() 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 to the nearest integer. If the quotient is 1/2, it is rounded to the even number.  

RETURN VALUE

The drem() 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

BSD 4.3  

SEE ALSO

fmod(3)