DREM (3)
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
SEE ALSO
- fmod (3) -
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