NAME
        IEEESPCos -- compute the cosine of a floating point number

   SYNOPSIS
          x   = IEEESPCos(  y  );
        d0                 d0

        float   x,y;

   FUNCTION
        Compute 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
        ieeespacos(), ieeespsin(), ieeesptan()