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/**
* @file
* Bridge for C programs to access solve_VPSC (which is in C++).
*/
/*
* Authors:
* Tim Dwyer <tgdwyer@gmail.com>
*
* Copyright (C) 2005 Authors
*
* Released under GNU LGPL. Read the file 'COPYING' for more information.
*/
#ifndef CSOLVE_VPSC_H_
#define CSOLVE_VPSC_H_
#ifdef __cplusplus
namespace vpsc
{
class Variable;
class Constraint;
class Solver;
class IncSolver;
}
/* TODO 'using' should never be in a .h file. We need a different approach here. */
using vpsc::Variable;
using vpsc::Constraint;
using vpsc::Solver;
using vpsc::IncSolver;
extern "C" {
#else
typedef struct Variable Variable;
typedef struct Constraint Constraint;
typedef struct Solver Solver;
typedef struct IncSolver IncSolver;
#endif
Variable* newVariable(int id, double desiredPos, double weight);
void setVariableDesiredPos(Variable *, double desiredPos);
double getVariablePos(Variable*);
Constraint* newConstraint(Variable* left, Variable* right, double gap);
Solver* newSolver(int n, Variable* vs[], int m, Constraint* cs[]);
void deleteSolver(Solver*);
void deleteConstraint(Constraint*);
void deleteVariable(Variable*);
Constraint** newConstraints(int m);
void deleteConstraints(int m,Constraint**);
void remapInConstraints(Variable *u, Variable *v, double dgap);
void remapOutConstraints(Variable *u, Variable *v, double dgap);
int getLeftVarID(Constraint *c);
int getRightVarID(Constraint *c);
double getSeparation(Constraint *c);
#ifndef HAVE_POINTF_S
typedef struct pointf_s { double x, y; } pointf;
typedef struct { pointf LL, UR; } boxf;
#endif
int genXConstraints(int n, boxf[], Variable** vs, Constraint*** cs,
int transitiveClosure);
int genYConstraints(int n, boxf[], Variable** vs, Constraint*** cs);
void satisfyVPSC(Solver*);
void solveVPSC(Solver*);
Solver* newIncSolver(int n, Variable* vs[], int m, Constraint* cs[]);
void splitIncSolver(IncSolver*);
int getSplitCnt(IncSolver *vpsc);
#ifdef __cplusplus
}
#endif
#endif /* CSOLVE_VPSC_H_ */
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