eoboolflip.h

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// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-

//-----------------------------------------------------------------------------
// eoBoolFlip.h
// (c) Marc Schoenauer, 2003
/* 
    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 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    Contact: [e-mail]
 */
//-----------------------------------------------------------------------------

#ifndef _eoBoolFlip_h
#define _eoBoolFlip_h

#include <eoOp.h>

/** a simple boolean mutation - to be used in generic eoOp's
 */
class eoBoolFlip : public eoMonOp<bool> {
public: 
  /** simply flips the boolean argument */
  bool operator()(bool & _b)
  {
    _b = !_b;
    return true;
  }

  /** inherited className() */
  virtual string className() const {return "boolFlip";}

};

#endif