fmax(3) - c7

1FMAX(3)                    Linux Programmer's Manual                   FMAX(3)
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NAME

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

9       #include <math.h>
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11       double fmax(double x, double y);
12       float fmaxf(float x, float y);
13       long double fmaxl(long double x, long double y);
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15       Link with -lm.
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17   Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
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19       fmax(), fmaxf(), fmaxl():
20           _XOPEN_SOURCE >= 600 || _ISOC99_SOURCE ||
21           _POSIX_C_SOURCE >= 200112L;
22           or cc -std=c99
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DESCRIPTION

25       These functions return the larger value of x and y.
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RETURN VALUE

28       These functions return the maximum of x and y.
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30       If one argument is a NaN, the other argument is returned.
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32       If both arguments are NaN, a NaN is returned.
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ERRORS

35       No errors occur.
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VERSIONS

38       These functions first appeared in glibc in version 2.1.
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CONFORMING TO

41       C99, POSIX.1-2001.
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COLOPHON

47       This page is part of release 3.53 of the Linux  man-pages  project.   A
48       description  of  the project, and information about reporting bugs, can
49       be found at http://www.kernel.org/doc/man-pages/.
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53                                  2010-09-20                           FMAX(3)