fmax(3) - Linux manual page (original) (raw)
fmax(3) Library Functions Manual fmax(3)
NAME top
fmax, fmaxf, fmaxl - determine maximum of two floating-point
numbers
LIBRARY top
Math library (_libm_, _-lm_)
SYNOPSIS top
**#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 top
These functions return the larger value of _x_ and _y_.
RETURN VALUE top
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 top
No errors occur.
ATTRIBUTES top
For an explanation of the terms used in this section, see
[attributes(7)](../man7/attributes.7.html).
┌──────────────────────────────────────┬───────────────┬─────────┐
│ **Interface** │ **Attribute** │ **Value** │
├──────────────────────────────────────┼───────────────┼─────────┤
│ **fmax**(), **fmaxf**(), **fmaxl**() │ Thread safety │ MT-Safe │
└──────────────────────────────────────┴───────────────┴─────────┘
STANDARDS top
C11, POSIX.1-2008.
HISTORY top
glibc 2.1. C99, POSIX.1-2001.
SEE ALSO top
[fdim(3)](../man3/fdim.3.html), [fmin(3)](../man3/fmin.3.html)
COLOPHON top
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Linux man-pages 6.10 2024-07-23 fmax(3)
Pages that refer to this page:fdim(3), fmin(3), MAX(3)