mundy::ShiftedOp< Backend, Scalar, Op > Class Template Reference

The spectral shift Op := op - sigma I. More...

#include <linear_ops.hpp>

Classes
struct	Workspace

Public Types
using	backend_t = Backend
using	op_storage_t = ::mundy::storage<Op>

Public Member Functions
	ShiftedOp (backend_t, Scalar sigma, Op &&op)
Backend	backend () const
Scalar	sigma () const
const auto &	op () const
size_t	domain_size () const
size_t	range_size () const
auto	make_domain_vector () const
auto	make_range_vector () const
auto	make_workspace (bool committed=false) const
template<class OpWorkspace>
auto	make_workspace (OpWorkspace &&op_workspace, bool committed=false) const
template<class XVector, class YVector, class WorkspaceType>
void	apply (const XVector &x, YVector &y, WorkspaceType &workspace) const
template<class XVector, class YVector>
void	apply (const XVector &x, YVector &y) const

Static Public Member Functions
static constexpr size_t	static_domain_size ()
static constexpr size_t	static_range_size ()

Detailed Description

template<class Backend, class Scalar, class Op>
class mundy::ShiftedOp< Backend, Scalar, Op >

Eigenvalues shift by -sigma; eigenvectors are unchanged.

Member Typedef Documentation

backend_t

template<class Backend, class Scalar, class Op>

using mundy::ShiftedOp< Backend, Scalar, Op >::backend_t = Backend

op_storage_t

template<class Backend, class Scalar, class Op>

using mundy::ShiftedOp< Backend, Scalar, Op >::op_storage_t = ::mundy::storage<Op>

Constructor & Destructor Documentation

ShiftedOp()

template<class Backend, class Scalar, class Op>

mundy::ShiftedOp< Backend, Scalar, Op >::ShiftedOp ( backend_t , Scalar sigma, Op && op )

inline

Member Function Documentation

backend()

template<class Backend, class Scalar, class Op>

Backend mundy::ShiftedOp< Backend, Scalar, Op >::backend ( ) const

inline

sigma()

template<class Backend, class Scalar, class Op>

Scalar mundy::ShiftedOp< Backend, Scalar, Op >::sigma ( ) const

inline

op()

template<class Backend, class Scalar, class Op>

const auto & mundy::ShiftedOp< Backend, Scalar, Op >::op ( ) const

inline

domain_size()

template<class Backend, class Scalar, class Op>

size_t mundy::ShiftedOp< Backend, Scalar, Op >::domain_size ( ) const

inline

range_size()

template<class Backend, class Scalar, class Op>

size_t mundy::ShiftedOp< Backend, Scalar, Op >::range_size ( ) const

inline

static_domain_size()

template<class Backend, class Scalar, class Op>

constexpr size_t mundy::ShiftedOp< Backend, Scalar, Op >::static_domain_size ( )

inlinestaticconstexpr

static_range_size()

template<class Backend, class Scalar, class Op>

constexpr size_t mundy::ShiftedOp< Backend, Scalar, Op >::static_range_size ( )

inlinestaticconstexpr

make_domain_vector()

template<class Backend, class Scalar, class Op>

auto mundy::ShiftedOp< Backend, Scalar, Op >::make_domain_vector ( ) const

inline

make_range_vector()

template<class Backend, class Scalar, class Op>

auto mundy::ShiftedOp< Backend, Scalar, Op >::make_range_vector ( ) const

inline

make_workspace() [1/2]

template<class Backend, class Scalar, class Op>

auto mundy::ShiftedOp< Backend, Scalar, Op >::make_workspace ( bool committed = false ) const

inline

make_workspace() [2/2]

template<class Backend, class Scalar, class Op>

template<class OpWorkspace>

auto mundy::ShiftedOp< Backend, Scalar, Op >::make_workspace ( OpWorkspace && op_workspace, bool committed = false ) const

inline

apply() [1/2]

template<class Backend, class Scalar, class Op>

template<class XVector, class YVector, class WorkspaceType>

void mundy::ShiftedOp< Backend, Scalar, Op >::apply ( const XVector & x, YVector & y, WorkspaceType & workspace ) const

inline

apply() [2/2]

template<class Backend, class Scalar, class Op>

template<class XVector, class YVector>

void mundy::ShiftedOp< Backend, Scalar, Op >::apply ( const XVector & x, YVector & y ) const

inline