FMAX(3) Linux Programmer's Manual FMAX(3)NAME
fmax, 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)):
fmax(), fmaxf(), fmaxl(): _XOPEN_SOURCE >= 600 || _ISOC99_SOURCE; or
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.
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