1. Home
  2. Computing & Technology
  3. Linux
Linux / Unix Command: drem
Command Library

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)


Important: Use the man command (% man) to see how a command is used on your particular computer.

>> Linux/Unix Command Library

>> Shell Command Library

Explore Linux
About.com Special Features

Holiday Central

What to eat, where to go, fun things to do and how to save money on the perfect gifts. More >

Family Tech Center

Stay connected and entertained with reviews on tips on the latest HDTVs, cellphones and more. More >

  1. Home
  2. Computing & Technology
  3. Linux

©2009 About.com, a part of The New York Times Company.

All rights reserved.