ChebyshevFilter.t.cpp File Reference

#include <utils/TypeConfig.h>
#include <utils/Exceptions.h>
#include <string>
#include <chrono>

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Namespaces
namespace	dftefe
	dealii includes
namespace	dftefe::linearAlgebra

Functions
template<typename ValueTypeOperator , typename ValueTypeOperand , utils::MemorySpace memorySpace>
void	dftefe::linearAlgebra::ChebyshevFilter (const OperatorContext< ValueTypeOperator, ValueTypeOperand, memorySpace > &A, const OperatorContext< ValueTypeOperator, ValueTypeOperand, memorySpace > &BInv, MultiVector< ValueTypeOperand, memorySpace > &eigenSubspaceGuess, const size_type polynomialDegree, const double wantedSpectrumLowerBound, const double wantedSpectrumUpperBound, const double unWantedSpectrumUpperBound, MultiVector< blasLapack::scalar_type< ValueTypeOperator, ValueTypeOperand >, memorySpace > &filteredSubspace)
	A class to get chebyshevFiletered subspace "filteredSubspace" from original subspace "eigenSubspaceGuess". Note both of these vectors have to be apriori allocated and both will change after the function is called. More...