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/********************* */
/*! \file arithvar_dense_set.h
** \verbatim
** Original author: taking
** Major contributors: mdeters
** Minor contributors (to current version): none
** This file is part of the CVC4 prototype.
** Copyright (c) 2009, 2010 The Analysis of Computer Systems Group (ACSys)
** Courant Institute of Mathematical Sciences
** New York University
** See the file COPYING in the top-level source directory for licensing
** information.\endverbatim
**
** \brief [[ Add one-line brief description here ]]
**
** [[ Add lengthier description here ]]
** \todo document this file
**/
#include <vector>
#include "theory/arith/arith_utilities.h"
#ifndef __CVC4__THEORY__ARITH__ARTIHVAR_DENSE_SET_H
#define __CVC4__THEORY__ARITH__ARTIHVAR_DENSE_SET_H
namespace CVC4 {
namespace theory {
namespace arith {
class ArithVarDenseSet {
private:
std::vector<bool> d_set;
public:
ArithVarDenseSet() : d_set() {}
size_t size() const {
return d_set.size();
}
void increaseSize(ArithVar max){
Assert(max >= size());
d_set.resize(max+1, false);
}
bool isMember(ArithVar x) const{
return d_set[x];
}
void init(ArithVar x, bool val) {
Assert(x >= size());
increaseSize(x);
d_set[x] = val;
}
void add(ArithVar x){
Assert(!isMember(x));
d_set[x] = true;
}
void remove(ArithVar x){
Assert(isMember(x));
d_set[x] = false;
}
};
}; /* namespace arith */
}; /* namespace theory */
}; /* namespace CVC4 */
#endif /* __CVC4__THEORY__ARITH__ARTIHVAR_DENSE_SET_H */
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