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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)