tanh(3) [opendarwin man page]
TANH(3) BSD Library Functions Manual TANH(3) NAME
tanh -- hyperbolic tangent function SYNOPSIS
#include <math.h> double tanh(double x); DESCRIPTION
The tanh() function computes the hyperbolic tangent of x. SPECIAL VALUES
tanh(+-0) returns +-0. tanh(+-infinity) returns +-1. SEE ALSO
acos(3), asin(3), atan(3), atan2(3), cos(3), cosh(3), sin(3), sinh(3), tan(3), math(3) STANDARDS
The tanh() function conforms to ISO/IEC 9899:1999(E). BSD
November 20, 2002 BSD