DREM

Section: Linux Programmer's Manual (3 )
Updated: 1993-06-06
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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

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