freebsd man page for asinh

ASINH(3)						   BSD Library Functions Manual 						  ASINH(3)

NAME
     asinh, asinhf, asinhl -- inverse hyperbolic sine functions

LIBRARY
     Math Library (libm, -lm)

SYNOPSIS
     #include <math.h>

     double
     asinh(double x);

     float
     asinhf(float x);

     long double
     asinhl(long double x);

DESCRIPTION
     The asinh(), asinhf(), and asinhl() functions compute the inverse hyperbolic sine of the real argument x.	For a discussion of error due to
     roundoff, see math(3).

RETURN VALUES
     These functions return the inverse hyperbolic sine of x.

SEE ALSO
     acosh(3), atanh(3), exp(3), math(3)

HISTORY
     The asinh(), asinhf(), and asinhl() functions appeared in 4.3BSD, FreeBSD 2.0, and FreeBSD 10.0, respectively.

BSD
								   June 9, 2013 							       BSD