fmax
Section: C Library Functions (3)
Updated: 2022-12-15
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NAME
fmax, fmaxf, fmaxl - determine maximum of two floating-point numbers
LIBRARY
Math library
(libm, -lm)
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);
Feature Test Macro Requirements for glibc (see
feature_test_macros(7)):
fmax(),
fmaxf(),
fmaxl():
_ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L
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 were added in glibc 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
|
STANDARDS
C99, POSIX.1-2001, POSIX.1-2008.
SEE ALSO
fdim(3),
fmin(3)
Index
- NAME
-
- LIBRARY
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- ERRORS
-
- VERSIONS
-
- ATTRIBUTES
-
- STANDARDS
-
- SEE ALSO
-
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