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fmaxf(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

   This page is part of release 4.09 of the Linux  man-pages  project.   A
   description  of  the project, information about reporting bugs, and the
   latest    version    of    this    page,    can     be     found     at
   https://www.kernel.org/doc/man-pages/.

                              2016-07-17                           FMAX(3)



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