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authorHarpreet2016-08-04 15:25:44 +0530
committerHarpreet2016-08-04 15:25:44 +0530
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+/* $Id: ClpCholeskyMumps.hpp 1692 2011-03-05 18:05:01Z stefan $ */
+// Copyright (C) 2009, International Business Machines
+// Corporation and others. All Rights Reserved.
+// This code is licensed under the terms of the Eclipse Public License (EPL).
+
+#ifndef ClpCholeskyMumps_H
+#define ClpCholeskyMumps_H
+#include "ClpCholeskyBase.hpp"
+class ClpMatrixBase;
+class ClpCholeskyDense;
+
+// unfortunately, DMUMPS_STRUC_C is an anonymous struct in MUMPS, so we define it to void for everyone outside ClpCholeskyMumps
+// if this file is included by ClpCholeskyMumps.cpp, then after dmumps_c.h has been included, which defines MUMPS_VERSION
+#ifndef MUMPS_VERSION
+typedef void DMUMPS_STRUC_C;
+#endif
+
+/** Mumps class for Clp Cholesky factorization
+
+*/
+class ClpCholeskyMumps : public ClpCholeskyBase {
+
+public:
+ /**@name Virtual methods that the derived classes provides */
+ //@{
+ /** Orders rows and saves pointer to matrix.and model.
+ Returns non-zero if not enough memory */
+ virtual int order(ClpInterior * model) ;
+ /** Does Symbolic factorization given permutation.
+ This is called immediately after order. If user provides this then
+ user must provide factorize and solve. Otherwise the default factorization is used
+ returns non-zero if not enough memory */
+ virtual int symbolic();
+ /** Factorize - filling in rowsDropped and returning number dropped.
+ If return code negative then out of memory */
+ virtual int factorize(const double * diagonal, int * rowsDropped) ;
+ /** Uses factorization to solve. */
+ virtual void solve (double * region) ;
+ //@}
+
+
+ /**@name Constructors, destructor */
+ //@{
+ /** Constructor which has dense columns activated.
+ Default is off. */
+ ClpCholeskyMumps(int denseThreshold = -1);
+ /** Destructor */
+ virtual ~ClpCholeskyMumps();
+ /// Clone
+ virtual ClpCholeskyBase * clone() const ;
+ //@}
+
+private:
+ // Mumps structure
+ DMUMPS_STRUC_C* mumps_;
+
+ // Copy
+ ClpCholeskyMumps(const ClpCholeskyMumps&);
+ // Assignment
+ ClpCholeskyMumps& operator=(const ClpCholeskyMumps&);
+};
+
+#endif