1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
/**
* \brief A block structure defined over the variables
*
* 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
*
* Authors:
* Tim Dwyer <tgdwyer@gmail.com>
*
* Copyright (C) 2005 Authors
*
* This version is released under the CPL (Common Public License) with
* the Graphviz distribution.
* A version is also available under the LGPL as part of the Adaptagrams
* project: https://github.com/mjwybrow/adaptagrams.
* If you make improvements or bug fixes to this code it would be much
* appreciated if you could also contribute those changes back to the
* Adaptagrams repository.
*/
#pragma once
#define LOGFILE "cRectangleOverlap.log"
#include <set>
#include <list>
class Block;
struct Variable;
struct 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(const int n, Variable *vs[]);
~Blocks();
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;
|
