NAME
        IEEESPPow -- raise a number to another number power

   SYNOPSIS
          z   = IEEESPPow(  x  ,  y  );
        d0                d1 d0

        float   x,y,z;

   FUNCTION
        Compute y^x in IEEE single precision

   INPUTS
        x - IEEE single precision floating point value
        y - IEEE single precision floating point value

   RESULT
        z - IEEE single precision floating point value

   BUGS

   SEE ALSO