fmaxf (3) Linux Manual Page
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 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
For an explanation of the terms used in this section, see attributes(7).| Interface | Attribute | Value |
| fmax(), fmaxf(), fmaxl() | Thread safety | MT-Safe |