Manpage of FMAX

FMAX

Section: Linux Programmer's Manual (3)
Updated: 2016-07-17
Index
 

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():

_ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L
 

DESCRIPTION

These functions return the larger value of xand y.  

RETURN VALUE

These functions return the maximum of xand 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.  

ATTRIBUTES

For an explanation of the terms used in this section, see attributes(7).
InterfaceAttributeValue
fmax(), fmaxf(), fmaxl() Thread safetyMT-Safe
 

CONFORMING TO

C99, POSIX.1-2001, POSIX.1-2008.  

SEE ALSO

fdim(3), fmin(3)


 

Index

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

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