ClpCholeskyTaucs Class Reference

Taucs class for Clp Cholesky factorization. More...

#include <ClpCholeskyTaucs.hpp>

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List of all members.

Public Member Functions

Virtual methods that the derived classes provides
virtual int order (ClpInterior *model)
 Orders rows and saves pointer to matrix.and model.
virtual int symbolic ()
 Dummy.
virtual int factorize (const double *diagonal, int *rowsDropped)
 Factorize - filling in rowsDropped and returning number dropped.
virtual void solve (double *region)
 Uses factorization to solve.
Constructors, destructor
 ClpCholeskyTaucs ()
 Default constructor.
virtual ~ClpCholeskyTaucs ()
 Destructor.
 ClpCholeskyTaucs (const ClpCholeskyTaucs &)
 Default constructor.
ClpCholeskyTaucsoperator= (const ClpCholeskyTaucs &)
 Default constructor.
virtual ClpCholeskyBaseclone () const
 Clone.

Private Attributes

Data members
taucs_ccs_matrix * matrix_
 Taucs matrix (== sparseFactor etc)
void * factorization_
 Taucs factor.
double * sparseFactorT_
 sparseFactor.
CoinBigIndex * choleskyStartT_
 choleskyStart
int * choleskyRowT_
 choleskyRow
CoinBigIndex sizeFactorT_
 sizeFactor.
ClpMatrixBaserowCopyT_
 Row copy of matrix.

Detailed Description

Taucs class for Clp Cholesky factorization.

If you wish to use Sivan Toledo's TAUCS code see

http://www.tau.ac.il/~stoledo/taucs/

for terms of use

The taucs.h file was modified to put

#ifdef __cplusplus extern "C"{ #endif after line 440 (#endif) and #ifdef __cplusplus } #endif at end

I also modified LAPACK dpotf2.f (two places) to change the GO TO 30 on AJJ.Lt.0.0

to

IF( AJJ.LE.1.0e-20 ) THEN AJJ = 1.0e100; ELSE AJJ = SQRT( AJJ ) END IF

Definition at line 41 of file ClpCholeskyTaucs.hpp.


Constructor & Destructor Documentation

Default constructor.

virtual ClpCholeskyTaucs::~ClpCholeskyTaucs ( ) [virtual]

Destructor.

Default constructor.


Member Function Documentation

virtual int ClpCholeskyTaucs::order ( ClpInterior model) [virtual]

Orders rows and saves pointer to matrix.and model.

Returns non-zero if not enough memory

Reimplemented from ClpCholeskyBase.

virtual int ClpCholeskyTaucs::symbolic ( ) [virtual]

Dummy.

Reimplemented from ClpCholeskyBase.

virtual int ClpCholeskyTaucs::factorize ( const double *  diagonal,
int *  rowsDropped 
) [virtual]

Factorize - filling in rowsDropped and returning number dropped.

If return code negative then out of memory

virtual void ClpCholeskyTaucs::solve ( double *  region) [virtual]

Uses factorization to solve.

ClpCholeskyTaucs& ClpCholeskyTaucs::operator= ( const ClpCholeskyTaucs )

Default constructor.

virtual ClpCholeskyBase* ClpCholeskyTaucs::clone ( ) const [virtual]

Clone.

Reimplemented from ClpCholeskyBase.


Member Data Documentation

taucs_ccs_matrix* ClpCholeskyTaucs::matrix_ [private]

Taucs matrix (== sparseFactor etc)

Definition at line 78 of file ClpCholeskyTaucs.hpp.

Taucs factor.

Definition at line 80 of file ClpCholeskyTaucs.hpp.

sparseFactor.

Definition at line 82 of file ClpCholeskyTaucs.hpp.

CoinBigIndex* ClpCholeskyTaucs::choleskyStartT_ [private]

choleskyStart

Definition at line 84 of file ClpCholeskyTaucs.hpp.

choleskyRow

Definition at line 86 of file ClpCholeskyTaucs.hpp.

CoinBigIndex ClpCholeskyTaucs::sizeFactorT_ [private]

sizeFactor.

Definition at line 88 of file ClpCholeskyTaucs.hpp.

Row copy of matrix.

Definition at line 90 of file ClpCholeskyTaucs.hpp.


The documentation for this class was generated from the following file: