ClpCholeskyTaucs.hpp

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/* $Id$ */
// Copyright (C) 2004, International Business Machines
// Corporation and others.  All Rights Reserved.
// This code is licensed under the terms of the Eclipse Public License (EPL).
 
#ifndef ClpCholeskyTaucs_H
#define ClpCholeskyTaucs_H
#include "taucs.h"
#include "ClpCholeskyBase.hpp"
class ClpMatrixBase;

class ClpCholeskyTaucs : public ClpCholeskyBase {
 
public:

  virtual int order(ClpInterior *model);
  virtual int symbolic();
  virtual int factorize(const double *diagonal, int *rowsDropped);
  virtual void solve(double *region);


  ClpCholeskyTaucs();
  virtual ~ClpCholeskyTaucs();
  // Copy
  ClpCholeskyTaucs(const ClpCholeskyTaucs &);
  // Assignment
  ClpCholeskyTaucs &operator=(const ClpCholeskyTaucs &);
  virtual ClpCholeskyBase *clone() const;
 
private:

  taucs_ccs_matrix *matrix_;
  void *factorization_;
  double *sparseFactorT_;
  CoinBigIndex *choleskyStartT_;
  int *choleskyRowT_;
  CoinBigIndex sizeFactorT_;
  ClpMatrixBase *rowCopyT_;
};
 
#endif
 
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