view kdiff3/src/common.h @ 67:ec82d69e8b0c

0.9.86

/***************************************************************************
                          common.h  -  Things that are needed often
                             -------------------
    begin                : Mon Mar 18 2002
    copyright            : (C) 2002-2004 by Joachim Eibl
    email                : [e-mail]
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef _COMMON_H
#define _COMMON_H

#include <assert.h>

template< class T >
T min2( T x, T y )
{
   return x<y ? x : y;
}
template< class T >
T max2( T x, T y )
{
   return x>y ? x : y;
}

typedef unsigned char UINT8;
typedef unsigned short UINT16;
typedef unsigned int UINT32;


template <class T>
T min3( T d1, T d2, T d3 )
{
   if ( d1 < d2  &&  d1 < d3 ) return d1;
   if ( d2 < d3 ) return d2;
   return d3;
}

template <class T>
T max3( T d1, T d2, T d3 )
{

   if ( d1 > d2  &&  d1 > d3 ) return d1;


   if ( d2 > d3 ) return d2;
   return d3;

}

template <class T>
T minMaxLimiter( T d, T minimum, T maximum )
{
   assert(minimum<=maximum);
   if ( d < minimum ) return minimum;
   if ( d > maximum ) return maximum;
   return d;
}

#endif