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/*
ARPACK++ v1.0 8/1/1997
c++ interface to ARPACK code.
MODULE ARUSComp.h.
Arpack++ class ARluCompStdEig definition
(umfpack version).
ARPACK Authors
Richard Lehoucq
Danny Sorensen
Chao Yang
Dept. of Computational & Applied Mathematics
Rice University
Houston, Texas
*/
#ifndef ARUSCOMP_H
#define ARUSCOMP_H
#include <stddef.h>
#include "arch.h"
#include "arscomp.h"
#include "arunsmat.h"
#include "arrseig.h"
template<class FLOAT>
class ARluCompStdEig:
public virtual ARCompStdEig<FLOAT, ARumNonSymMatrix<arcomplex<FLOAT> > > {
public:
// a) Public functions:
// a.1) Functions that allow changes in problem parameters.
virtual void ChangeShift(arcomplex<FLOAT> sigmaRp);
virtual void SetRegularMode();
virtual void SetShiftInvertMode(arcomplex<FLOAT> sigmap);
// a.2) Constructors and destructor.
ARluCompStdEig() { }
// Short constructor.
ARluCompStdEig(int nevp, ARumNonSymMatrix<arcomplex<FLOAT> >& A,
char* whichp = "LM", int ncvp = 0,
FLOAT tolp = 0.0, int maxitp = 0,
arcomplex<FLOAT>* residp = NULL, bool ishiftp = true);
// Long constructor (regular mode).
ARluCompStdEig(int nevp, ARumNonSymMatrix<arcomplex<FLOAT> >& A,
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).
ARluCompStdEig(const ARluCompStdEig& other) { Copy(other); }
// Copy constructor.
virtual ~ARluCompStdEig() { }
// Destructor.
// b) Operators.
ARluCompStdEig& operator=(const ARluCompStdEig& other);
// Assignment operator.
}; // class ARluCompStdEig.
// ------------------------------------------------------------------------ //
// ARluCompStdEig member functions definition. //
// ------------------------------------------------------------------------ //
template<class FLOAT>
inline void ARluCompStdEig<FLOAT>::
ChangeShift(arcomplex<FLOAT> sigmaRp)
{
objOP->FactorAsI(sigmaRp);
ARrcStdEig<FLOAT, arcomplex<FLOAT> >::ChangeShift(sigmaRp);
} // ChangeShift.
template<class FLOAT>
inline void ARluCompStdEig<FLOAT>::SetRegularMode()
{
ARStdEig<FLOAT, arcomplex<FLOAT>, ARumNonSymMatrix<arcomplex<FLOAT> > >::
SetRegularMode(objOP, &ARumNonSymMatrix<arcomplex<FLOAT> >::MultMv);
} // SetRegularMode.
template<class FLOAT>
inline void ARluCompStdEig<FLOAT>::
SetShiftInvertMode(arcomplex<FLOAT> sigmap)
{
ARStdEig<FLOAT, arcomplex<FLOAT>, ARumNonSymMatrix<arcomplex<FLOAT> > >::
SetShiftInvertMode(sigmap, objOP,
&ARumNonSymMatrix<arcomplex<FLOAT> >::MultInvv);
} // SetShiftInvertMode.
template<class FLOAT>
inline ARluCompStdEig<FLOAT>::
ARluCompStdEig(int nevp, ARumNonSymMatrix<arcomplex<FLOAT> >& A,
char* whichp, int ncvp, FLOAT tolp,
int maxitp, arcomplex<FLOAT>* residp, bool ishiftp)
{
NoShift();
DefineParameters(A.ncols(), nevp, &A,
ARumNonSymMatrix<arcomplex<FLOAT> >::MultMv,
whichp, ncvp, tolp, maxitp, residp, ishiftp);
} // Long constructor (regular mode).
template<class FLOAT>
inline ARluCompStdEig<FLOAT>::
ARluCompStdEig(int nevp, ARumNonSymMatrix<arcomplex<FLOAT> >& A,
arcomplex<FLOAT> sigmap, char* whichp, int ncvp,
FLOAT tolp, int maxitp, arcomplex<FLOAT>* residp,
bool ishiftp)
{
DefineParameters(A.ncols(), nevp, &A,
&ARumNonSymMatrix<arcomplex<FLOAT> >::MultInvv,
whichp, ncvp, tolp, maxitp, residp, ishiftp);
ChangeShift(sigmap);
} // Long constructor (shift and invert mode).
template<class FLOAT>
ARluCompStdEig<FLOAT>& ARluCompStdEig<FLOAT>::
operator=(const ARluCompStdEig<FLOAT>& other)
{
if (this != &other) { // Stroustrup suggestion.
ClearMem();
Copy(other);
}
return *this;
} // operator=.
#endif // ARUSCOMP_H
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