DUNE-FEM (unstable)

Dune::Fem::Function< FunctionSpaceImp, FunctionImp > Class Template Reference

Abstract class representing a function. More...

#include <dune/fem/function/common/function.hh>

Public Types

typedef FunctionSpaceImp FunctionSpaceType
 type of function space this function belongs to
 
typedef FunctionImp FunctionType
 type of the implementation (Barton-Nackman)
 
typedef FunctionSpaceType::DomainFieldType DomainFieldType
 field type of domain
 
typedef FunctionSpaceType::RangeFieldType RangeFieldType
 field type of range
 
typedef FunctionSpaceType::DomainType DomainType
 domain type
 
typedef FunctionSpaceType::RangeType RangeType
 range type
 
typedef FunctionSpaceType::JacobianRangeType JacobianRangeType
 jacobian type
 
typedef FunctionSpaceType::HessianRangeType HessianRangeType
 hessian type
 
typedef Mapping< DomainFieldType, RangeFieldType, DomainType, RangeTypeMappingType
 type of mapping base class
 

Public Member Functions

virtual ~Function ()
 destructor
 
virtual void operator() (const DomainType &arg, RangeType &dest) const
 application operator call evaluate More...
 
void evaluate (const DomainType &x, RangeType &value) const
 evaluate the function More...
 
void jacobian (const DomainType &x, JacobianRangeType &jacobian) const
 evaluate the Jacobian of the function More...
 
void hessian (const DomainType &x, HessianRangeType &hessian) const
 evaluate the hessian of the function More...
 
void operator() (const DomainType &arg, RangeType &dest) const
 Application operator that applies all operators in the linear combination stack. More...
 

Protected Member Functions

 Function ()=default
 default constructor
 

Related Functions

(Note that these are not member functions.)

static Mapping< FunctionSpaceImp ::DomainFieldType, FunctionSpaceImp ::RangeFieldType, FunctionSpaceImp ::DomainType, FunctionSpaceImp ::RangeTypeoperator+ (const Mapping< FunctionSpaceImp ::DomainFieldType, FunctionSpaceImp ::RangeFieldType, FunctionSpaceImp ::DomainType, FunctionSpaceImp ::RangeType > &a, const Mapping< FunctionSpaceImp ::DomainFieldType, FunctionSpaceImp ::RangeFieldType, FunctionSpaceImp ::DomainType, FunctionSpaceImp ::RangeType > &b)
 add two mappings More...
 
static Mapping< FunctionSpaceImp ::DomainFieldType, FunctionSpaceImp ::RangeFieldType, FunctionSpaceImp ::DomainType, FunctionSpaceImp ::RangeTypeoperator- (const Mapping< FunctionSpaceImp ::DomainFieldType, FunctionSpaceImp ::RangeFieldType, FunctionSpaceImp ::DomainType, FunctionSpaceImp ::RangeType > &a, const Mapping< FunctionSpaceImp ::DomainFieldType, FunctionSpaceImp ::RangeFieldType, FunctionSpaceImp ::DomainType, FunctionSpaceImp ::RangeType > &b)
 substract two mappings More...
 
static Mapping< FunctionSpaceImp ::DomainFieldType, FunctionSpaceImp ::RangeFieldType, FunctionSpaceImp ::DomainType, FunctionSpaceImp ::RangeTypeoperator* (const Mapping< FunctionSpaceImp ::DomainFieldType, FunctionSpaceImp ::RangeFieldType, FunctionSpaceImp ::DomainType, FunctionSpaceImp ::RangeType > &mapping, const FunctionSpaceImp ::RangeFieldType &factor)
 scale mapping with factor More...
 
static Mapping< FunctionSpaceImp ::DomainFieldType, FunctionSpaceImp ::RangeFieldType, FunctionSpaceImp ::DomainType, FunctionSpaceImp ::RangeTypeoperator* (const FunctionSpaceImp ::RangeFieldType &factor, const Mapping< FunctionSpaceImp ::DomainFieldType, FunctionSpaceImp ::RangeFieldType, FunctionSpaceImp ::DomainType, FunctionSpaceImp ::RangeType > &mapping)
 scale mapping with factor More...
 
static Mapping< FunctionSpaceImp ::DomainFieldType, FunctionSpaceImp ::RangeFieldType, FunctionSpaceImp ::DomainType, FunctionSpaceImp ::RangeTypeoperator/ (const Mapping< FunctionSpaceImp ::DomainFieldType, FunctionSpaceImp ::RangeFieldType, FunctionSpaceImp ::DomainType, FunctionSpaceImp ::RangeType > &mapping, const FunctionSpaceImp ::RangeFieldType &factor)
 operator / for mappings More...
 
static Mapping< FunctionSpaceImp ::DomainFieldType, FunctionSpaceImp ::RangeFieldType, FunctionSpaceImp ::DomainType, FunctionSpaceImp ::RangeTypeoperator/ (const FunctionSpaceImp ::RangeFieldType &factor, const Mapping< FunctionSpaceImp ::DomainFieldType, FunctionSpaceImp ::RangeFieldType, FunctionSpaceImp ::DomainType, FunctionSpaceImp ::RangeType > &mapping)
 operator / for mappings More...
 

Detailed Description

template<class FunctionSpaceImp, class FunctionImp>
class Dune::Fem::Function< FunctionSpaceImp, FunctionImp >

Abstract class representing a function.

Template parameters are:

  • FunctionSpaceImp type of the function space where the function belongs to.
  • FunctionImp type of the implemented function (Barton-Nackman)

    An interface class:

Member Function Documentation

◆ evaluate()

template<class FunctionSpaceImp , class FunctionImp >
void Dune::Fem::Function< FunctionSpaceImp, FunctionImp >::evaluate ( const DomainType x,
RangeType value 
) const
inline

◆ hessian()

template<class FunctionSpaceImp , class FunctionImp >
void Dune::Fem::Function< FunctionSpaceImp, FunctionImp >::hessian ( const DomainType x,
HessianRangeType hessian 
) const
inline

evaluate the hessian of the function

Parameters
[in]xevaluation point
[out]hessianvalue of the hessian in x

References CHECK_AND_CALL_INTERFACE_IMPLEMENTATION, and Dune::Fem::Function< FunctionSpaceImp, FunctionImp >::hessian().

Referenced by Dune::Fem::Function< FunctionSpaceImp, FunctionImp >::hessian().

◆ jacobian()

template<class FunctionSpaceImp , class FunctionImp >
void Dune::Fem::Function< FunctionSpaceImp, FunctionImp >::jacobian ( const DomainType x,
JacobianRangeType jacobian 
) const
inline

evaluate the Jacobian of the function

Parameters
[in]xevaluation point
[out]jacobianvalue of the Jacobian in x

References CHECK_AND_CALL_INTERFACE_IMPLEMENTATION, and Dune::Fem::Function< FunctionSpaceImp, FunctionImp >::jacobian().

Referenced by Dune::Fem::Function< FunctionSpaceImp, FunctionImp >::jacobian().

◆ operator()() [1/2]

template<class FunctionSpaceImp , class FunctionImp >
virtual void Dune::Fem::Function< FunctionSpaceImp, FunctionImp >::operator() ( const DomainType arg,
RangeType dest 
) const
inlinevirtual

application operator call evaluate

Parameters
[in]argargument
[out]destdestination, i.e. f(arg)

References Dune::Fem::Function< FunctionSpaceImp, FunctionImp >::evaluate().

◆ operator()() [2/2]

void Dune::Fem::Mapping< FunctionSpaceImp ::DomainFieldType , FunctionSpaceImp ::RangeFieldType , FunctionSpaceImp ::DomainType , FunctionSpaceImp ::RangeType >::operator() ( const DomainType arg,
RangeType dest 
) const
inlineinherited

Application operator that applies all operators in the linear combination stack.

Parameters
[in]argargument
[out]destdestination

Friends And Related Function Documentation

◆ operator*() [1/2]

static Mapping< FunctionSpaceImp ::DomainFieldType , FunctionSpaceImp ::RangeFieldType , FunctionSpaceImp ::DomainType , FunctionSpaceImp ::RangeType > operator* ( const FunctionSpaceImp ::RangeFieldType factor,
const Mapping< FunctionSpaceImp ::DomainFieldType , FunctionSpaceImp ::RangeFieldType , FunctionSpaceImp ::DomainType , FunctionSpaceImp ::RangeType > &  mapping 
)
related

scale mapping with factor

Parameters
[in]factorfactor with which mapping is scaled
[in]mappingMapping which is scaled
Returns
new object mapping

◆ operator*() [2/2]

static Mapping< FunctionSpaceImp ::DomainFieldType , FunctionSpaceImp ::RangeFieldType , FunctionSpaceImp ::DomainType , FunctionSpaceImp ::RangeType > operator* ( const Mapping< FunctionSpaceImp ::DomainFieldType , FunctionSpaceImp ::RangeFieldType , FunctionSpaceImp ::DomainType , FunctionSpaceImp ::RangeType > &  mapping,
const FunctionSpaceImp ::RangeFieldType factor 
)
related

scale mapping with factor

Parameters
[in]mappingMapping which is scaled
[in]factorfactor with which mapping is scaled
Returns
new object mapping

◆ operator+()

static Mapping< FunctionSpaceImp ::DomainFieldType , FunctionSpaceImp ::RangeFieldType , FunctionSpaceImp ::DomainType , FunctionSpaceImp ::RangeType > operator+ ( const Mapping< FunctionSpaceImp ::DomainFieldType , FunctionSpaceImp ::RangeFieldType , FunctionSpaceImp ::DomainType , FunctionSpaceImp ::RangeType > &  a,
const Mapping< FunctionSpaceImp ::DomainFieldType , FunctionSpaceImp ::RangeFieldType , FunctionSpaceImp ::DomainType , FunctionSpaceImp ::RangeType > &  b 
)
related

add two mappings

Parameters
[in]amapping 1
[in]bmapping 2
Returns
new object mapping

◆ operator-()

static Mapping< FunctionSpaceImp ::DomainFieldType , FunctionSpaceImp ::RangeFieldType , FunctionSpaceImp ::DomainType , FunctionSpaceImp ::RangeType > operator- ( const Mapping< FunctionSpaceImp ::DomainFieldType , FunctionSpaceImp ::RangeFieldType , FunctionSpaceImp ::DomainType , FunctionSpaceImp ::RangeType > &  a,
const Mapping< FunctionSpaceImp ::DomainFieldType , FunctionSpaceImp ::RangeFieldType , FunctionSpaceImp ::DomainType , FunctionSpaceImp ::RangeType > &  b 
)
related

substract two mappings

Parameters
[in]amapping 1
[in]bmapping 2
Returns
new object mapping

◆ operator/() [1/2]

static Mapping< FunctionSpaceImp ::DomainFieldType , FunctionSpaceImp ::RangeFieldType , FunctionSpaceImp ::DomainType , FunctionSpaceImp ::RangeType > operator/ ( const FunctionSpaceImp ::RangeFieldType factor,
const Mapping< FunctionSpaceImp ::DomainFieldType , FunctionSpaceImp ::RangeFieldType , FunctionSpaceImp ::DomainType , FunctionSpaceImp ::RangeType > &  mapping 
)
related

operator / for mappings

Parameters
[in]factorby which result of mapping is divided
[in]mappingwhich is divided
Returns
new object mapping

◆ operator/() [2/2]

static Mapping< FunctionSpaceImp ::DomainFieldType , FunctionSpaceImp ::RangeFieldType , FunctionSpaceImp ::DomainType , FunctionSpaceImp ::RangeType > operator/ ( const Mapping< FunctionSpaceImp ::DomainFieldType , FunctionSpaceImp ::RangeFieldType , FunctionSpaceImp ::DomainType , FunctionSpaceImp ::RangeType > &  mapping,
const FunctionSpaceImp ::RangeFieldType factor 
)
related

operator / for mappings

Parameters
[in]mappingmapping which is divided
[in]factorf factor by which result of mapping is divided
Returns
new object mapping

The documentation for this class was generated from the following file:
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