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FreeBSD 11.0 - man page for fmaxl (freebsd section 3)

FMAX(3) 						   BSD Library Functions Manual 						   FMAX(3)

NAME
fmax, fmaxf, fmaxl, fmin, fminf, fminl -- floating-point maximum and minimum functions
LIBRARY
Math Library (libm, -lm)
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); double fmin(double x, double y); float fminf(float x, float y); long double fminl(long double x, long double y);
DESCRIPTION
The fmax(), fmaxf(), and fmaxl() functions return the larger of x and y, and likewise, the fmin(), fminf(), and fminl() functions return the smaller of x and y. They treat +0.0 as being larger than -0.0. If one argument is an NaN, then the other argument is returned. If both arguments are NaNs, then the result is an NaN. These routines do not raise any floating-point exceptions.
SEE ALSO
fabs(3), fdim(3), math(3)
STANDARDS
The fmax(), fmaxf(), fmaxl(), fmin(), fminf(), and fminl() functions conform to ISO/IEC 9899:1999 (``ISO C99'').
HISTORY
These routines first appeared in FreeBSD 5.3.
BSD
June 29, 2004 BSD