FMAX
Updated: 2015-04-19
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NAME
fmax, fmaxf, fmaxl - determine maximum of two floating-point numbersSYNOPSIS
#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 ||
_POSIX_C_SOURCE >= 200112L;
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.ATTRIBUTES
For an explanation of the terms used in this section, see attributes(7).Interface | Attribute | Value |
fmax(), fmaxf(), fmaxl() | Thread safety | MT-Safe |
CONFORMING TO
C99, POSIX.1-2001, POSIX.1-2008.SEE ALSO
fmin(3)COLOPHON
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Index
- NAME
- SYNOPSIS
- DESCRIPTION
- RETURN VALUE
- ERRORS
- VERSIONS
- ATTRIBUTES
- CONFORMING TO
- SEE ALSO
- COLOPHON