funcpair_conesection_circle.h

/* Copyright (C) 2004-2010 MBSim Development Team
 *
 * 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 Street, Fifth Floor, Boston, MA  02110-1301 USA
 *
 * Contact: martin.o.foerg@googlemail.com
 */
 
#ifndef _FUNCPAIR_CONESECTION_CIRCLE_H_
#define _FUNCPAIR_CONESECTION_CIRCLE_H_
 
#include <mbsim/functions/function.h>
 
namespace MBSim {
 
  class FuncPairConeSectionCircle : public Function<double(double)> {
    public:
      FuncPairConeSectionCircle(double R_,double a_,double b_) : R(R_), a(a_), b(b_), sec_IN_ci(true) {}
 
      FuncPairConeSectionCircle(double R_, double a_, double b_, bool sec_IN_ci_) :
          R(R_), a(a_), b(b_), sec_IN_ci(sec_IN_ci_) {
      }
 
      /* INHERITED INTERFACE OF DISTANCEFUNCTION */
      double operator()(const double &phi) override = 0;
      double operator[](const double &phi);
      virtual fmatvec::Vec3 evalWrD(const double &phi) = 0;
      /*************************************************/
 
      /* GETTER / SETTER */
      void setDiffVec(fmatvec::Vec3 d_);
 
      void setSectionCOS(fmatvec::Vec3 b1_, fmatvec::Vec3 b2_);
      /*************************************************/
 
    protected:
      double R, a, b;
 
      bool sec_IN_ci;
 
      fmatvec::Vec3 b1, b2;
 
      fmatvec::Vec3 d;
  };
 
  inline void FuncPairConeSectionCircle::setDiffVec(fmatvec::Vec3 d_) {
    d = d_;
  }
  inline void FuncPairConeSectionCircle::setSectionCOS(fmatvec::Vec3 b1_, fmatvec::Vec3 b2_) {
    b1 = b1_;
    b2 = b2_;
  }
  inline double FuncPairConeSectionCircle::operator[](const double &phi) {
    if (sec_IN_ci)
      return R - nrm2(evalWrD(phi));
    else
      return nrm2(evalWrD(phi)) - R;
  }
 
}
 
#endif