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3 #ifndef DUNE_ISTL_OPERATORS_HH
4 #define DUNE_ISTL_OPERATORS_HH
12 #include <dune/common/exceptions.hh>
13 #include <dune/common/shared_ptr.hh>
64 template<
class X,
class Y>
78 virtual void apply (
const X& x, Y& y)
const = 0;
88 #if DUNE_ISTL_SUPPORT_OLD_CATEGORY_INTERFACE
90 DUNE_THROW(Dune::Exception,
"It is necessary to implement the category method in a derived classes, in the future this method will pure virtual.");
106 template<
class M,
class X,
class Y>
116 virtual const M&
getmat ()
const = 0;
133 template<
class M,
class X,
class Y>
150 virtual void apply (
const X& x, Y& y)
const
158 _A_->usmv(alpha,x,y);
174 const std::shared_ptr<const M> _A_;
virtual const M & getmat() const =0
get matrix via *
@ sequential
Category for sequential solvers.
Definition: solvercategory.hh:23
virtual void apply(const X &x, Y &y) const
apply operator to x:
Definition: operators.hh:150
virtual void applyscaleadd(field_type alpha, const X &x, Y &y) const
apply operator to x, scale and add:
Definition: operators.hh:156
X::field_type field_type
Definition: operators.hh:141
Y range_type
Definition: operators.hh:140
virtual void applyscaleadd(field_type alpha, const X &x, Y &y) const =0
apply operator to x, scale and add:
Y range_type
The type of the range of the operator.
Definition: operators.hh:70
A linear operator exporting itself in matrix form.
Definition: operators.hh:107
virtual SolverCategory::Category category() const
Category of the solver (see SolverCategory::Category)
Definition: operators.hh:168
X domain_type
Definition: operators.hh:111
X domain_type
The type of the domain of the operator.
Definition: operators.hh:68
X::field_type field_type
Definition: operators.hh:113
A linear operator.
Definition: operators.hh:65
M matrix_type
export types
Definition: operators.hh:138
MatrixAdapter(const M &A)
constructor: just store a reference to a matrix
Definition: operators.hh:144
Y range_type
Definition: operators.hh:112
Adapter to turn a matrix into a linear operator.
Definition: operators.hh:134
Definition: allocator.hh:7
virtual SolverCategory::Category category() const =0
Category of the linear operator (see SolverCategory::Category)
M matrix_type
export types, usually they come from the derived class
Definition: operators.hh:110
virtual const M & getmat() const
get matrix via *
Definition: operators.hh:162
virtual ~AssembledLinearOperator()
every abstract base class has a virtual destructor
Definition: operators.hh:119
MatrixAdapter(std::shared_ptr< const M > A)
constructor: store an std::shared_ptr to a matrix
Definition: operators.hh:147
Category
Definition: solvercategory.hh:21
X domain_type
Definition: operators.hh:139
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...
virtual ~LinearOperator()
every abstract base class has a virtual destructor
Definition: operators.hh:84
X::field_type field_type
The field type of the operator.
Definition: operators.hh:72