Description

   tanh() computes the hyperbolic tangent of x.

   tanh(x) is defined as (exp(x)-exp(-x))/(exp(x) + exp(-x)).


                          Entry-Point Names

   Generic
   Function   Data Type   OpenVMS        Tru64 UNIX
   Name       Required

   tanh       S_FLOAT     math$tanh_s    tanhf
              T_FLOAT     math$tanh_t    tanh
              X_FLOAT     math$tanh_x    tanhl
              F_FLOAT     math$tanh_f
              G_FLOAT     math$tanh_g