Computer Science
DREM(3) Linux Programmer's Manual DREM(3)
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 quo-
tient 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)
June 6, 1993 1
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