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/*
ARPACK++ v1.0 8/1/1997
c++ interface to ARPACK code.
MODULE ARDGComp.h.
Arpack++ class ARluCompGenEig definition
(dense matrix version).
ARPACK Authors
Richard Lehoucq
Danny Sorensen
Chao Yang
Dept. of Computational & Applied Mathematics
Rice University
Houston, Texas
*/
#ifndef ARDGCOMP_H
#define ARDGCOMP_H
#include <stddef.h>
#include "arch.h"
#include "ardnsmat.h"
#include "ardnspen.h"
#include "arrseig.h"
#include "argcomp.h"
template<class FLOAT>
class ARluCompGenEig:
public virtual
ARCompGenEig<FLOAT, ARdsNonSymPencil<arcomplex<FLOAT>, FLOAT >,
ARdsNonSymPencil<arcomplex<FLOAT>, FLOAT > > {
private:
// a) Data structure used to store matrices.
ARdsNonSymPencil<arcomplex<FLOAT>, FLOAT > Pencil;
// b) Protected functions:
virtual void Copy(const ARluCompGenEig& other);
// Makes a deep copy of "other" over "this" object.
// Old values are not deleted (this function is to be used
// by the copy constructor and the assignment operator only).
public:
// c) Public functions:
// c.1) Functions that allow changes in problem parameters.
virtual void ChangeShift(arcomplex<FLOAT> sigmaRp);
virtual void SetRegularMode();
virtual void SetShiftInvertMode(arcomplex<FLOAT> sigmap);
// c.2) Constructors and destructor.
ARluCompGenEig() { }
// Short constructor.
ARluCompGenEig(int nevp, ARdsNonSymMatrix<arcomplex<FLOAT> >& A,
ARdsNonSymMatrix<arcomplex<FLOAT> >& B,
char* whichp = "LM", int ncvp = 0,
FLOAT tolp = 0.0, int maxitp = 0,
arcomplex<FLOAT>* residp = NULL, bool ishiftp = true);
// Long constructor (regular mode).
ARluCompGenEig(int nevp, ARdsNonSymMatrix<arcomplex<FLOAT> >& A,
ARdsNonSymMatrix<arcomplex<FLOAT> >& B,
arcomplex<FLOAT> sigma, char* whichp = "LM",
int ncvp = 0, FLOAT tolp = 0.0, int maxitp = 0,
arcomplex<FLOAT>* residp = NULL, bool ishiftp = true);
// Long constructor (shift and invert mode).
ARluCompGenEig(const ARluCompGenEig& other) { Copy(other); }
// Copy constructor.
virtual ~ARluCompGenEig() { }
// d) Operators.
ARluCompGenEig& operator=(const ARluCompGenEig& other);
// Assignment operator.
}; // class ARluCompGenEig.
// ------------------------------------------------------------------------ //
// ARluCompGenEig member functions definition. //
// ------------------------------------------------------------------------ //
template<class FLOAT>
inline void ARluCompGenEig<FLOAT>::
Copy(const ARluCompGenEig<FLOAT>& other)
{
ARCompGenEig<FLOAT, ARdsNonSymPencil<arcomplex<FLOAT>, FLOAT >,
ARdsNonSymPencil<arcomplex<FLOAT>, FLOAT> >:: Copy(other);
Pencil = other.Pencil;
objOP = &Pencil;
objB = &Pencil;
} // Copy.
template<class FLOAT>
inline void ARluCompGenEig<FLOAT>::
ChangeShift(arcomplex<FLOAT> sigmaRp)
{
objOP->FactorAsB(sigmaRp);
ARrcStdEig<FLOAT, arcomplex<FLOAT> >::ChangeShift(sigmaRp);
} // ChangeShift.
template<class FLOAT>
inline void ARluCompGenEig<FLOAT>::SetRegularMode()
{
ARStdEig<FLOAT, arcomplex<FLOAT>,
ARdsNonSymPencil<arcomplex<FLOAT>, FLOAT> >::
SetRegularMode(&Pencil,
&ARdsNonSymPencil<arcomplex<FLOAT>, FLOAT>::MultInvBAv);
} // SetRegularMode.
template<class FLOAT>
inline void ARluCompGenEig<FLOAT>::
SetShiftInvertMode(arcomplex<FLOAT> sigmap)
{
ARCompGenEig<FLOAT, ARdsNonSymPencil<arcomplex<FLOAT>, FLOAT>,
ARdsNonSymPencil<arcomplex<FLOAT>, FLOAT> >::
SetShiftInvertMode(sigmap, &Pencil,
&ARdsNonSymPencil<arcomplex<FLOAT>, FLOAT>::MultInvAsBv);
} // SetShiftInvertMode.
template<class FLOAT>
inline ARluCompGenEig<FLOAT>::
ARluCompGenEig(int nevp, ARdsNonSymMatrix<arcomplex<FLOAT> >& A,
ARdsNonSymMatrix<arcomplex<FLOAT> >& B, char* whichp,
int ncvp, FLOAT tolp, int maxitp,
arcomplex<FLOAT>* residp, bool ishiftp)
{
Pencil.DefineMatrices(A, B);
NoShift();
DefineParameters(A.ncols(), nevp, &Pencil,
ARdsNonSymPencil<arcomplex<FLOAT>, FLOAT>::MultInvBAv,
&Pencil, ARdsNonSymPencil<arcomplex<FLOAT>, FLOAT>::MultBv,
whichp, ncvp, tolp, maxitp, residp, ishiftp);
} // Long constructor (regular mode).
template<class FLOAT>
inline ARluCompGenEig<FLOAT>::
ARluCompGenEig(int nevp, ARdsNonSymMatrix<arcomplex<FLOAT> >& A,
ARdsNonSymMatrix<arcomplex<FLOAT> >& B,
arcomplex<FLOAT> sigmap, char* whichp, int ncvp,
FLOAT tolp, int maxitp, arcomplex<FLOAT>* residp,
bool ishiftp)
{
Pencil.DefineMatrices(A, B);
DefineParameters(A.ncols(), nevp, &Pencil,
&ARdsNonSymPencil<arcomplex<FLOAT>, FLOAT>::MultInvAsBv,
&Pencil, &ARdsNonSymPencil<arcomplex<FLOAT>, FLOAT>::MultBv,
whichp, ncvp, tolp, maxitp, residp, ishiftp);
SetShiftInvertMode(sigmap);
} // Long constructor (shift and invert mode).
template<class FLOAT>
ARluCompGenEig<FLOAT>& ARluCompGenEig<FLOAT>::
operator=(const ARluCompGenEig<FLOAT>& other)
{
if (this != &other) { // Stroustrup suggestion.
ClearMem();
Copy(other);
}
return *this;
} // operator=.
#endif // ARDGCOMP_H
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