1:  /// -------- ToujoursEnBeta

   2:  /// Author & Copyright : Peter Luschny

   3:  /// License: LGPL version 3.0 or (at your option)

   4:  /// Creative Commons Attribution-ShareAlike 3.0

   5:  /// Comments mail to: peter(at)luschny.de

   6:  /// Created: 2010-03-01

   7:   

   8:  namespace Sharith.Math.Factorial 

   9:  {

  10:      using XInt = Sharith.Arithmetic.XInt;

  11:   

  12:      /// <summary> An interface for the factorial function

  13:      /// n! = 1*2*3*...*n

  14:      /// for nonnegative integer values n.

  15:      /// </summary>

  16:      public interface IFactorialFunction

  17:      {

  18:          string Name { get; }

  19:          XInt Factorial(int n);

  20:      }

  21:   

  22:  } // endOfIFactorialFunction