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/**
* \brief Remove overlaps function
*
* Authors:
* Tim Dwyer <tgdwyer@gmail.com>
*
* Copyright (C) 2005 Authors
*
* Released under GNU GPL. Read the file 'COPYING' for more information.
*/
#ifndef SEEN_REMOVEOVERLAP_CONSTRAINT_H
#define SEEN_REMOVEOVERLAP_CONSTRAINT_H
#include <iostream>
#include "variable.h"
class Constraint
{
friend std::ostream& operator <<(std::ostream &os,const Constraint &c);
public:
Variable *left;
Variable *right;
double gap;
double lm;
Constraint(Variable *left, Variable *right, double gap);
~Constraint(void){};
inline double Constraint::slack() const { return right->position() - gap - left->position(); }
//inline bool operator<(Constraint const &o) const { return slack() < o.slack(); }
long timeStamp;
bool active;
bool visited;
};
#include <float.h>
static inline bool compareConstraints(Constraint *&l, Constraint *&r) {
double sl = l->slack();
double sr = r->slack();
if(l->left->block==l->right->block) sl=DBL_MIN;
if(r->left->block==r->right->block) sr=DBL_MIN;
if(sl==sr) {
// arbitrary choice based on id
if(l->left->id==r->left->id) {
if(l->right->id<r->right->id) return true;
return false;
}
if(l->left->id<r->left->id) return true;
return false;
}
return sl < sr;
}
#endif // SEEN_REMOVEOVERLAP_CONSTRAINT_H
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