fmaxf(3) - f39

1fmax(3)                    Library Functions Manual                    fmax(3)
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NAME

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

9       Math library (libm, -lm)
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SYNOPSIS

12       #include <math.h>
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14       double fmax(double x, double y);
15       float fmaxf(float x, float y);
16       long double fmaxl(long double x, long double y);
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18   Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
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20       fmax(), fmaxf(), fmaxl():
21           _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L
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DESCRIPTION

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

27       These functions return the maximum of x and y.
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29       If one argument is a NaN, the other argument is returned.
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31       If both arguments are NaN, a NaN is returned.
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ERRORS

34       No errors occur.
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ATTRIBUTES

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

47       C11, POSIX.1-2008.
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HISTORY

50       glibc 2.1.  C99, POSIX.1-2001.
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