fmax(3) - f36

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           _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L
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DESCRIPTION

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

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

33       No errors occur.
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VERSIONS

36       These functions first appeared in glibc in version 2.1.
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ATTRIBUTES

39       For  an  explanation  of  the  terms  used  in  this  section,  see at‐
40       tributes(7).
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42       ┌────────────────────────────────────────────┬───────────────┬─────────┐
43       │Interface                                   │ Attribute     │ Value   │
44       ├────────────────────────────────────────────┼───────────────┼─────────┤
45       │fmax(), fmaxf(), fmaxl()                    │ Thread safety │ MT-Safe │
46       └────────────────────────────────────────────┴───────────────┴─────────┘
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CONFORMING TO

49       C99, POSIX.1-2001, POSIX.1-2008.
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COLOPHON

55       This page is part of release 5.13 of the Linux  man-pages  project.   A
56       description  of  the project, information about reporting bugs, and the
57       latest    version    of    this    page,    can     be     found     at
58       https://www.kernel.org/doc/man-pages/.
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62                                  2021-03-22                           FMAX(3)