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)

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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)