CationPiInteractionConstraint.hpp

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/* 
 * CationPiInteractionConstraint.hpp 
 *
 * This file is part of the Chemical Data Processing Toolkit
 *
 * Copyright (C) 2003 Thomas Seidel <thomas.seidel@univie.ac.at>
 *
 * 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; see the file COPYING. If not, write to
 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */
 
#ifndef CDPL_PHARM_CATIONPIINTERACTIONCONSTRAINT_HPP
#define CDPL_PHARM_CATIONPIINTERACTIONCONSTRAINT_HPP
 
#include "CDPL/Pharm/APIPrefix.hpp"
 
 
namespace CDPL
{
 
    namespace Pharm
    {
 
        class Feature;
 
        class CDPL_PHARM_API CationPiInteractionConstraint
        {
 
          public:
            static constexpr double DEF_MIN_DISTANCE = 3.5;
            static constexpr double DEF_MAX_DISTANCE = 5.5;
            static constexpr double DEF_MAX_ANGLE    = 45.0;
 
            CationPiInteractionConstraint(bool aro_cat, double min_dist = DEF_MIN_DISTANCE, double max_dist = DEF_MAX_DISTANCE,
                                          double max_ang = DEF_MAX_ANGLE):
                aroCatOrder(aro_cat),
                minDist(min_dist), maxDist(max_dist), maxAngle(max_ang) {}
 
            double getMinDistance() const;
 
            double getMaxDistance() const;
 
            double getMaxAngle() const;
 
            bool operator()(const Feature& ftr1, const Feature& ftr2) const;
 
          private:
            bool   aroCatOrder;
            double minDist;
            double maxDist;
            double maxAngle;
        };
    } // namespace Pharm
} // namespace CDPL
 
#endif // CDPL_PHARM_CATIONPIINTERACTIONCONSTRAINT_HPP