fmax man page
fmax, fmaxf, fmaxl — determine maximum of two floating-point numbers 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. These functions first appeared in glibc in version 2.1. For an explanation of the terms used in this section, see attributes(7). C99, POSIX.1-2001, POSIX.1-2008. This page is part of release 5.04 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/. The man pages fmaxf(3) and fmaxl(3) are aliases of fmax(3).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.
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Interface Attribute Value fmax(), fmaxf(), fmaxl() Thread safety MT-Safe Conforming to
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