//----------------------------------------------------------------------------
// Copyright (C) 2013-2015 Fabrice HARROUET (ENIB)
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation.
// The author makes no representations about the suitability of this
// software for any purpose.
// It is provided "as is" without express or implied warranty.
//----------------------------------------------------------------------------

using System;

public class Test
{
public static
void
swap<T>(ref T x,
        ref T y)
  {
  Console.WriteLine("swaping {0} and {1} ({2})",
                    x,y,typeof(T));
  T tmp=x;
  x=y;
  y=tmp;
  }

public static
T
clamp<T>(T minValue,
         T value,
         T maxValue)
where T : System.IComparable<T>
  {
  Console.WriteLine("clamping {0} between {1} and {2} ({3})",
                    value,minValue,maxValue,typeof(T));
  return value.CompareTo(minValue)<0
         ? minValue
         : value.CompareTo(maxValue)>0
           ? maxValue
           : value;
  }

public static
void
Main(string[] args)
  {
  int i=123;
  int j=456;
  Console.WriteLine("before: i={0} j={1}",i,j);
  swap(ref i,ref j);
  Console.WriteLine("after: i={0} j={1}",i,j);

  float u=11.22f;
  float v=33.44f;
  Console.WriteLine("before: u={0} v={1}",u,v);
  swap(ref u,ref v);
  Console.WriteLine("after: u={0} v={1}",u,v);

  Console.WriteLine("--> {0}",clamp(2,4,3));
  Console.WriteLine("--> {0}",clamp(2,4.5,3));
  Console.WriteLine("--> {0}",clamp("coucou","salut","hello"));
  }
}

//----------------------------------------------------------------------------