Poster of Linux kernelThe best gift for a Linux geek
FMAX

FMAX

Section: Linux Programmer's Manual (3) Updated: 2010-09-20
Local index Up
 

NAME

fmax, fmaxf, fmaxl - determine maximum of two floating-point numbers  

SYNOPSIS

#include <math.h>

double fmax(double x, double y);
float fmaxf(float x, float y);
long double fmaxl(long double x, long double y);

Link with -lm.

Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

fmax(), fmaxf(), fmaxl():

_XOPEN_SOURCE >= 600 || _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L;
or cc -std=c99
 

DESCRIPTION

These functions return the larger value of x and y.  

RETURN VALUE

These functions return the maximum of x and y.

If one argument is a NaN, the other argument is returned.

If both arguments are NaN, a NaN is returned.  

ERRORS

No errors occur.  

VERSIONS

These functions first appeared in glibc in version 2.1.  

CONFORMING TO

C99, POSIX.1-2001.  

SEE ALSO

fmin(3)  

COLOPHON

This page is part of release 3.27 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
ERRORS
VERSIONS
CONFORMING TO
SEE ALSO
COLOPHON

This document was created by man2html, using the manual pages.
Time: 21:46:14 GMT, April 16, 2011