FMAX(3) Linux Programmer s Manual FMAX(3)
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; 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)
COLOPHON This page is part of release 3.22 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.