DUNE PDELab (git)
operators.hh
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1// SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file LICENSE.md in module root
93 DUNE_THROW(Dune::Exception,"It is necessary to implement the category method in a derived classes, in the future this method will pure virtual.");
A linear operator exporting itself in matrix form.
Definition: operators.hh:110
M matrix_type
export types, usually they come from the derived class
Definition: operators.hh:113
virtual ~LinearOperator()
every abstract base class has a virtual destructor
Definition: operators.hh:87
X::field_type field_type
The field type of the operator.
Definition: operators.hh:75
virtual void applyscaleadd(field_type alpha, const X &x, Y &y) const =0
apply operator to x, scale and add:
virtual SolverCategory::Category category() const =0
Category of the linear operator (see SolverCategory::Category)
Y range_type
The type of the range of the operator.
Definition: operators.hh:73
virtual void apply(const X &x, Y &y) const =0
apply operator to x: The input vector is consistent and the output must also be consistent on the in...
X domain_type
The type of the domain of the operator.
Definition: operators.hh:71
MatrixAdapter(std::shared_ptr< const M > A)
constructor: store an std::shared_ptr to a matrix
Definition: operators.hh:147
MatrixAdapter(const M &A)
constructor: just store a reference to a matrix
Definition: operators.hh:144
void applyscaleadd(field_type alpha, const X &x, Y &y) const override
apply operator to x, scale and add:
Definition: operators.hh:156
const M & getmat() const override
get reference to matrix
Definition: operators.hh:162
SolverCategory::Category category() const override
Category of the solver (see SolverCategory::Category)
Definition: operators.hh:168
void apply(const X &x, Y &y) const override
apply operator to x:
Definition: operators.hh:150
A few common exception classes.
std::shared_ptr< T > stackobject_to_shared_ptr(T &t)
Create a shared_ptr for a stack-allocated object.
Definition: shared_ptr.hh:72
@ sequential
Category for sequential solvers.
Definition: solvercategory.hh:25
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