NAME
        IEEESPCosh -- compute the hyperbolic cosine of a floating point number

   SYNOPSIS
          x   = IEEESPCosh(  y  );
        d0                 d0

        float   x,y;

   FUNCTION
        Compute hyperbolic cosine 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(), ieeesptanh()