fmax - Man Page
determine maximum of two floating-point numbers
Library
Math library (libm, -lm)
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);
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.
Attributes
For an explanation of the terms used in this section, see attributes(7).
Interface | Attribute | Value |
---|---|---|
fmax(), fmaxf(), fmaxl() | Thread safety | MT-Safe |
Standards
C11, POSIX.1-2008.
History
glibc 2.1. C99, POSIX.1-2001.
See Also
Referenced By
The man pages fmaxf(3) and fmaxl(3) are aliases of fmax(3).
2024-05-02 Linux man-pages 6.9.1