OOPSE/libmdtools/ConstraintPair.hpp

#ifndef _CONSTRAINT_PAIR_H_
#define _CONSTRAINT_PAIR_H_

#include "ConstraintElement.hpp"

class ConstraintAlgorithm;
class ConstraintPair{
  public:
    virtual ~ConstraintPair() {}
    ConstraintElement* firstElem;
    ConstraintElement* secondElem;

    bool isMoved() {return firstElem->getMoved() || secondElem->getMoved();}
    virtual double getBondLength2() = 0;
    
  protected:
    ConstraintPair(ConstraintElement* ce1, ConstraintElement* ce2) : firstElem(ce1), secondElem(ce2){}
};


//Constrain two linked rigid bodies which share the same joint
class JointConstraintPair : public ConstraintPair{
  public:
    JointConstraintPair(ConstraintElement* ce1, ConstraintElement* ce2) : ConstraintPair(ce1, ce2){}
    double getBondLength2() {return 0;}
};

//constraint two 
class DistanceConstraintPair : public ConstraintPair{
  public:
    DistanceConstraintPair(ConstraintElement* ce1, ConstraintElement* ce2, double bondLength2) 
                                                      : ConstraintPair(ce1, ce2), d2(bondLength2){}
    double getBondLength2() {return d2;}
  private:
    double d2;    
};

#endif //ifndef _CONSTRAINT_PAIR_H_
Revision:	1252
Committed:	Mon Jun 7 14:26:33 2004 UTC (20 years, 1 month ago) by gezelter
File size:	1155 byte(s)
Log Message:	Fixes from gcc -Wall
#	User	Rev	Content
1	tim	1232	#ifndef _CONSTRAINT_PAIR_H_
2			#define _CONSTRAINT_PAIR_H_
3
4			#include "ConstraintElement.hpp"
5
6			class ConstraintAlgorithm;
7			class ConstraintPair{
8			public:
9	gezelter	1252	virtual ~ConstraintPair() {}
10	tim	1232	ConstraintElement* firstElem;
11			ConstraintElement* secondElem;
12
13			bool isMoved() {return firstElem->getMoved() \|\| secondElem->getMoved();}
14			virtual double getBondLength2() = 0;
15
16			protected:
17			ConstraintPair(ConstraintElement* ce1, ConstraintElement* ce2) : firstElem(ce1), secondElem(ce2){}
18			};
19
20
21			//Constrain two linked rigid bodies which share the same joint
22			class JointConstraintPair : public ConstraintPair{
23			public:
24			JointConstraintPair(ConstraintElement* ce1, ConstraintElement* ce2) : ConstraintPair(ce1, ce2){}
25			double getBondLength2() {return 0;}
26			};
27
28			//constraint two
29			class DistanceConstraintPair : public ConstraintPair{
30			public:
31			DistanceConstraintPair(ConstraintElement* ce1, ConstraintElement* ce2, double bondLength2)
32			: ConstraintPair(ce1, ce2), d2(bondLength2){}
33			double getBondLength2() {return d2;}
34			private:
35			double d2;
36			};
37
38			#endif //ifndef _CONSTRAINT_PAIR_H_