NAME
    IEEESPTanh -- compute the hyperbolic tangent of a floating point number

SYNOPSIS
      x   = IEEESPTanh(  y  );
    d0                 d0

    float   x,y;

FUNCTION
    Compute hyperbolic tangent of y in IEEE single precision

INPUTS
    y - IEEE single precision floating point value

RESULT
    x - IEEE single precision floating point value

BUGS

SEE ALSO
    IEEESPSinh(), IEEESPCosh()