TANH(3) BSD Library Functions Manual TANH(3)

NAME
     ttaannhh - hyperbolic tangent function

SYNOPSIS
     ##iinncclluuddee <>

     double
     ttaannhh(double x);

     long double
     ttaannhhll(long double x);

     float
     ttaannhhff(float x);

DESCRIPTION
     The ttaannhh() function computes the hyperbolic tangent of x.

SSPPEECCIIAALL VVAALLUUEESS
     ttaannhh(+-0) returns +-0.

     ttaannhh(+-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 ttaannhh() function conforms to ISO/IEC 9899:1999(E).

BSD                            November 20, 2002                           BSD