zqb_macros.h

/* zqb_macros.hpp */
/* $Id: zqb_macros.h,v 1.3 2008/04/25 06:02:11 vlad Exp $ */
#ifndef __zqb_macros_hpp
#define __zqb_macros_hpp


#define ZqbMIN(a,b) ((a)<(b)?(a):(b))
  

#define ZqbMAX(a,b) ((a)>(b)?(a):(b))
  

#define ZqbSIGN(x)  ((x)<0?1:((x)>0?(-1):0))


#define ZqbNUMBER(x)    (sizeof(x)/sizeof(x[0]))


#ifdef __cplusplus

template<class T> void  ZqbEXCHANGE (T& x, T& y)
{
  T tmp = x;
  x = y;
  y = tmp;
}

template<class T> void  ZqbASCENT (T& x, T& y)
{
  if(x > y)
    ZqbEXCHANGE(x, y);
}

template<class T> void  ZqbDESCENT (T& x, T& y)
{
  if(x < y)
    ZqbEXCHANGE(x, y);
}

#endif /* C++ */

#endif /* zqb_macros.hpp */