fmaxf(3) - Linux man page

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)