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.

ATTRIBUTES

Multithreading (see pthreads(7))

The fmax(), fmaxf(), and fmaxl() functions are thread-safe.

CONFORMING TO

C99, POSIX.1-2001.

RELATED TO fmax…

COLOPHON

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