redhat man page for drem

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 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)

								    1993-06-06								   DREM(3)