FMAXSection: Linux Programmer's Manual (3)
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NAMEfmax, fmaxf, fmaxl - determine maximum of two floating-point numbers
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)):
DESCRIPTIONThese functions return the larger value of x and y.
RETURN VALUEThese functions return the maximum of x and y.
If one argument is a NaN, the other argument is returned.
ERRORSNo errors occur.
VERSIONSThese functions first appeared in glibc in version 2.1.
CONFORMING TOC99, POSIX.1-2001.
COLOPHONThis page is part of release 3.21 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/.