3 #ifndef DUNE_ISTL_OPERATORS_HH 4 #define DUNE_ISTL_OPERATORS_HH 61 template<
class X,
class Y>
75 virtual void apply (
const X& x, Y& y)
const = 0;
78 virtual void applyscaleadd (field_type alpha,
const X& x, Y& y)
const = 0;
93 template<
class M,
class X,
class Y>
103 virtual const M& getmat ()
const = 0;
120 template<
class M,
class X,
class Y>
137 virtual void apply (
const X& x, Y& y)
const M matrix_type
export types
Definition: operators.hh:125
A linear operator exporting itself in matrix form.
Definition: operators.hh:94
Adapter to turn a matrix into a linear operator.
Definition: operators.hh:121
virtual void applyscaleadd(field_type alpha, const X &x, Y &y) const
apply operator to x, scale and add:
Definition: operators.hh:143
virtual const M & getmat() const
get matrix via *
Definition: operators.hh:149
virtual void apply(const X &x, Y &y) const
apply operator to x:
Definition: operators.hh:137
A linear operator.
Definition: operators.hh:62
Y range_type
The type of the range of the operator.
Definition: operators.hh:67
X::field_type field_type
Definition: operators.hh:128
Y range_type
Definition: operators.hh:127
X::field_type field_type
Definition: operators.hh:100
Y range_type
Definition: operators.hh:99
X domain_type
Definition: operators.hh:98
X::field_type field_type
The field type of the operator.
Definition: operators.hh:69
M matrix_type
export types, usually they come from the derived class
Definition: operators.hh:97
X domain_type
Definition: operators.hh:126
virtual ~AssembledLinearOperator()
every abstract base class has a virtual destructor
Definition: operators.hh:106
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...
Category for sequential solvers.
Definition: solvercategory.hh:21
X domain_type
The type of the domain of the operator.
Definition: operators.hh:65
MatrixAdapter(const M &A)
constructor: just store a reference to a matrix
Definition: operators.hh:134
virtual void applyscaleadd(field_type alpha, const X &x, Y &y) const =0
apply operator to x, scale and add:
virtual ~LinearOperator()
every abstract base class has a virtual destructor
Definition: operators.hh:81
Definition: basearray.hh:19