#ifndef UTIL_H_
#  define UTIL_H_

   namespace Util
   {
      // ----------------------------------------------------------------
      // The constant pi
      // ----------------------------------------------------------------

      extern const double pi;

      // ----------------------------------------------------------------
      // d2r - Convert 'degrees' to radians
      // ----------------------------------------------------------------

      double d2r(double degrees);

      // ----------------------------------------------------------------
      // rnd - Round 'x' to the nearest integer
      // ----------------------------------------------------------------

      int rnd(double x);
   }

#endif