FMAX(3) - man page online | library functions

Determine maximum of two floating-point numbers.

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(): _XOPEN_SOURCE >= 600 || _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L; or cc -std=c99
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 fmin(3)
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2015-04-19 FMAX(3)
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fmax(3) referred by fdim(3) | fmin(3)
refer to attributes(7) | feature_test_macros(7) | fmin(3)