fmax, fmaxf, fmaxl - determine maximum of two floating-point numbers
#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():
_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).
| Interface |
Attribute |
Value |
| fmax (), fmaxf (), fmaxl () |
Thread safety |
MT-Safe |
C99, POSIX.1-2001, POSIX.1-2008.
fdim(3),
fmin(3)