SuperludistOO.h

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// @HEADER
// ***********************************************************************
// 
//                Amesos: Direct Sparse Solver Package
//                 Copyright (2004) Sandia Corporation
// 
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
// 
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//  
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//  
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
// USA
// Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
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#include "Amesos_ConfigDefs.h"

#include "superlu_ddefs.h"
#include "supermatrix.h"
//  SuperLU defines Reduce to be a macro in util.h, this conflicts with Reduce() in Epetra_MultiVector.h
#undef Reduce

#ifndef _SUPERLUDISTOO_H_
#define _SUPERLUDISTOO_H_

#if defined(Amesos_SHOW_DEPRECATED_WARNINGS)
#ifdef __GNUC__
#warning "The Amesos package is deprecated"
#endif
#endif

class Epetra_Comm;
class Epetra_BlockMap;
class Epetra_MultiVector;
class Epetra_RowMatrix;
#include "Epetra_LinearProblem.h"
#include "Epetra_LinearProblemRedistor.h"
#include "Epetra_Object.h"

class SuperludistOO {
    
  public:

  SuperludistOO(const Epetra_LinearProblem& LinearProblem);


  virtual ~SuperludistOO(void);


  void SetTrans( bool trans ) { Transpose_ = trans ;} ; 



    
  bool GetTrans( ) const { return Transpose_ ;} ;


  int CheckInput() const ;






  double Condest() const;




  int Solve(bool Factor) ;

 protected:

  //
  //  These are not used in release 0.1
  //
  const Epetra_LinearProblem * Problem_;
  Epetra_LinearProblemRedistor *redistor;
  Epetra_LinearProblem *redistProblem;
  //
  //  Here are the values returned by ExtractHbData
  //
  int M,N,nz;
  int *ptr, *ind;
  double *val, *rhs, *lhs;
  int Nrhs, ldrhs, ldlhs;
  

  bool Transpose_ ;
  bool Factored_;
  bool FirstCallToSolve_;
  //
  //  Here are the SuperLU data structures for A, L and U:
  //
  int numprocs;
  int nprow;
  int npcol;
  gridinfo_t grid;                 // SuperLU's grid information
  superlu_options_t options;
  SuperMatrix A;
  ScalePermstruct_t ScalePermstruct;
  SuperLUStat_t stat;
  LUstruct_t LUstruct;
  double   *berr;
  vector <int> Ap;
  vector <int> Ai;
  vector <double> Aval;
  bool A_and_LU_built ;            // Tells us whether to free them 


  //  This is needed by the old SuperludistOO.cpp
  int numrows ; 

};


#endif /* _SUPERLUDISTOO_H_ */