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FMAX(3) Linux Programmer's Manual FMAX(3)

NAME

     fmax, fmaxf, fmaxl - determine maximum of two floating-point numbers

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);

     Link with -lm.

 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 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

     fdim(3), fmin(3)

COLOPHON

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     latest    version    of    this    page,    can     be     found     at
     https://www.kernel.org/doc/man-pages/.

                                2017-09-15                           FMAX(3)