#include <dgeequ.h>

Inheritance diagram for ColMaxMatrixScale< T >:

Collaboration diagram for ColMaxMatrixScale< T >:

Public Member Functions
	ColMaxMatrixScale (const SolutionManager::ScaleOpt &scale)

virtual	~ColMaxMatrixScale ()

Public Member Functions inherited from MatrixScale< T >
	MatrixScale (const SolutionManager::ScaleOpt &scale)

virtual	~MatrixScale ()

T &	ScaleMatrix (T &mh) const

bool	ComputeScaleFactors (const T &mh)

Public Member Functions inherited from MatrixScaleBase
	MatrixScaleBase (const SolutionManager::ScaleOpt &scale)

virtual	~MatrixScaleBase ()

VectorHandler &	ScaleRightHandSide (VectorHandler &bVH) const

VectorHandler &	ScaleSolution (VectorHandler &xVH) const

std::ostream &	Report (std::ostream &os) const

const std::vector< doublereal > &	GetRowScale () const

const std::vector< doublereal > &	GetColScale () const

bool	bGetInitialized () const

Protected Member Functions
virtual bool	ComputeScaleFactors (const T &mh, std::vector< doublereal > &rowScale, std::vector< doublereal > &colScale)

virtual std::ostream &	vReport (std::ostream &os) const

Protected Member Functions inherited from MatrixScaleBase
MatrixHandler::Norm_t	GetCondNumNorm () const

void	Prepare (const MatrixHandler &mh, integer &nrows, integer &ncols)

void	PrepareRows (const MatrixHandler &mh, integer &nrows)

void	PrepareCols (const MatrixHandler &mh, integer &ncols)

bool	bReport () const

Private Attributes
std::vector< doublereal >	normCol

Additional Inherited Members
Static Public Member Functions inherited from MatrixScale< T >
static MatrixScale< T > *	Allocate (const SolutionManager::ScaleOpt &scale)

Protected Attributes inherited from MatrixScaleBase
std::vector< doublereal >	rowScale

std::vector< doublereal >	colScale

doublereal	dCondBefore

doublereal	dCondAfter

const unsigned	uFlags

bool	bOK

Detailed Description

template<typename T>
class ColMaxMatrixScale< T >

Definition at line 138 of file dgeequ.h.

Constructor & Destructor Documentation

template<typename T >

ColMaxMatrixScale< T >::ColMaxMatrixScale ( const SolutionManager::ScaleOpt & scale )

inline

Definition at line 501 of file dgeequ.h.

         :MatrixScale<T>(scale)
 {
 
 }

template<typename T >

ColMaxMatrixScale< T >::~ColMaxMatrixScale ( )

virtual

Definition at line 508 of file dgeequ.h.

 {
 
 }

Member Function Documentation

template<typename T >

bool ColMaxMatrixScale< T >::ComputeScaleFactors	(	const T &	mh,
		std::vector< doublereal > &	rowScale,
		std::vector< doublereal > &	colScale
	)

protectedvirtual

Implements MatrixScale< T >.

Definition at line 514 of file dgeequ.h.

References MatrixScaleBase::PrepareCols().

 {
         integer ncols;
 
         MatrixScaleBase::PrepareCols(mh, ncols);
 
         if (normCol.empty()) {
                 normCol.resize(ncols, 0.);
         } else {
                 std::fill(normCol.begin(), normCol.end(), 0.);
         }
 
         for (typename T::const_iterator i = mh.begin(); i != mh.end(); ++i) {
                 const doublereal d = std::abs(i->dCoef);
 
                 if (d > normCol[i->iCol]) {
                         normCol[i->iCol] = d;
                 }
         }
 
         for (int i = 0; i < ncols; ++i) {
                 colScale[i] = 1. / normCol[i];
         }
 
         return true;
 }