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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_BLOCKS_H
#define SEEN_REMOVEOVERLAP_BLOCKS_H
#ifdef RECTANGLE_OVERLAP_LOGGING
#define LOGFILE "cRectangleOverlap.log"
#endif
#include <set>
#include <list>
class Block;
class Variable;
class Constraint;
/**
* A block structure defined over the variables such that each block contains
* 1 or more variables, with the invariant that all constraints inside a block
* are satisfied by keeping the variables fixed relative to one another
*/
class Blocks : public std::set<Block*>
{
public:
Blocks(Variable *vs[], const int n);
~Blocks(void);
void mergeLeft(Block *r);
void mergeRight(Block *l);
void split(Block *b, Block *&l, Block *&r, Constraint *c);
std::list<Variable*> *totalOrder();
void cleanup();
double cost();
private:
void dfsVisit(Variable *v, std::list<Variable*> *order);
void removeBlock(Block *doomed);
Variable **vs;
int nvs;
};
extern long blockTimeCtr;
#endif // SEEN_REMOVEOVERLAP_BLOCKS_H
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