a_fcriteria.h

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/*
Copyright 2010-2016 Pierre SMARS (smars@yuntech.edu.tw)
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.
 
This program 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 General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _A_FCRITERIA_H_
#define _A_FCRITERIA_H_
 
#include <string>
 
class a_face;
 
class a_fcriteria
{
public:
        a_fcriteria(): verysmall_(1.e-6) {}
        static const std::string help();
        virtual bool ok(const a_face * f) const {return true;}
        virtual double penalty(const a_face * f) const {return 0;}
        void verysmall(const double small) {verysmall_=small;}
        double verysmall() {return verysmall_;}
 
protected:
        double verysmall_;
};
 
#endif