fmax(3) Linux Man Page - System Grab Bag

Name

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

Math library ( libm ", " -lm )

#include <math.h> 
double fmax(double " x ", double  y );
float fmaxf(float " x ", float  y );
long double fmaxl(long double " x ", long double  y );

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

fmax() fmaxf() fmaxl()

    _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L

These functions return the larger value of x and y.

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.

No errors occur.

For an explanation of the terms used in this section, see attributes(7). allbox; lbx lb lb T{ fmax()fmaxf()fmaxl()

Interface	Attribute	Value
T}	Thread safety	MT-Safe

glibc 2.1. C99, POSIX.1-2001.