/*
  makros.cpp - Ein paar nützliche Makros - Version 0.2
  Copyright (c) 2012 Wilfried Klaas.  All right reserved.

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

#ifndef swap
#define swap(x,y,T) { T TMP_SWAP = x; x = y; y = TMP_SWAP; }
#endif 

#ifndef between
#define between(a,x,y) ((a >=x) && (a <= y))
#endif

#ifndef cbi
#define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit))
#endif
#ifndef sbi
#define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit))
#endif

#ifndef ELEMENTS
#define ELEMENTS(x)    (sizeof(x) / sizeof(x[0]))
#endif