dune-fem
2.4.1-rc
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#include </local/tomalk/somewhere/tmp/dune-fem/dune/fem/function/common/discretefunction.hh>
Classes | |
struct | CommDataHandle |
Public Types | |
enum | { blockSize = BaseType::blockSize } |
size of the dof blocks More... | |
typedef BaseType::Traits | Traits |
typedef Impl | DiscreteFunctionType |
type of the discrete function (Barton-Nackman parameter) More... | |
typedef BaseType::DiscreteFunctionInterfaceType | DiscreteFunctionInterfaceType |
typedef BaseType::DiscreteFunctionSpaceType | DiscreteFunctionSpaceType |
type of discrete function space More... | |
typedef BaseType::GridPartType | GridPartType |
type of the underlying grid part More... | |
typedef DiscreteFunctionSpaceType::DomainType | DomainType |
type of domain vector More... | |
typedef DiscreteFunctionSpaceType::RangeType | RangeType |
type of range vector More... | |
typedef DiscreteFunctionSpaceType::JacobianRangeType | JacobianRangeType |
type of jacobian More... | |
typedef DiscreteFunctionSpaceType::HessianRangeType | HessianRangeType |
type of hessian More... | |
typedef DiscreteFunctionSpaceType::DomainFieldType | DomainFieldType |
type of domain field (usually a float type) More... | |
typedef DiscreteFunctionSpaceType::RangeFieldType | RangeFieldType |
type of range field (usually a float type) More... | |
typedef Traits::DofIteratorType | DofIteratorType |
type of the dof iterator More... | |
typedef Traits::ConstDofIteratorType | ConstDofIteratorType |
type of the const dof iterator More... | |
typedef Traits::DofVectorType | DofVectorType |
type of DofVector More... | |
typedef Traits::LocalDofVectorType | LocalDofVectorType |
type of LocalDofVector More... | |
typedef Traits::LocalDofVectorAllocatorType | LocalDofVectorAllocatorType |
type of LocalDofVector More... | |
typedef BaseType::LocalFunctionType | LocalFunctionType |
type of local functions More... | |
typedef BaseType::DofBlockType | DofBlockType |
typedef BaseType::ConstDofBlockType | ConstDofBlockType |
typedef BaseType::DofBlockPtrType | DofBlockPtrType |
typedef BaseType::ConstDofBlockPtrType | ConstDofBlockPtrType |
typedef BaseType::EntityType | EntityType |
typedef BaseType::DofType | DofType |
typedef DofVectorType::SizeType | SizeType |
size type of the block vector More... | |
enum | { blockSize = DiscreteFunctionSpaceType::localBlockSize } |
size of the dof blocks More... | |
typedef DiscreteFunctionSpaceType::GridType | GridType |
Type of the underlying grid. More... | |
typedef BaseType::MappingType | MappingType |
type of mapping base class for this discrete function More... | |
typedef LoadBalanceLeafData< ThisType > | DefaultLoadBalanceContainsCheckType |
typedef DiscreteFunctionTraits< Impl >::DiscreteFunctionSpaceType::FunctionSpaceType | FunctionSpaceType |
type of function space this function belongs to More... | |
typedef Impl | FunctionType |
type of the implementation (Barton-Nackman) More... | |
Public Member Functions | |
const std::string & | name () const |
obtain the name of the discrete function More... | |
const DiscreteFunctionSpaceType & | space () const |
obtain a reference to the corresponding DiscreteFunctionSpace More... | |
const GridPartType & | gridPart () const |
obtain a reference to the underlying grid part More... | |
LocalFunctionType | localFunction (const EntityType &entity) |
obtain a local function for an entity (read-write) More... | |
const LocalFunctionType | localFunction (const EntityType &entity) const |
obtain a local function for an entity (read-write) More... | |
void | clear () |
set all degrees of freedom to zero More... | |
DofVectorType & | dofVector () |
const DofVectorType & | dofVector () const |
int | blocks () const |
obtain total number of blocks, i.e. size / blockSize. More... | |
DofBlockPtrType | block (unsigned int index) |
obtain pointer to block of discrete function with block number index (read-only) More... | |
ConstDofBlockPtrType | block (unsigned int index) const |
obtain pointer to block of discrete function with block number index More... | |
SizeType | size () const |
Return the number of blocks in the block vector. More... | |
ConstDofIteratorType | dbegin () const |
Obtain the constant iterator pointing to the first dof. More... | |
DofIteratorType | dbegin () |
Obtain the non-constant iterator pointing to the first dof. More... | |
ConstDofIteratorType | dend () const |
Obtain the constant iterator pointing to the last dof. More... | |
DofIteratorType | dend () |
Obtain the non-constant iterator pointing to the last dof. More... | |
RangeFieldType * | allocDofPointer () const |
allocate a pointer to a consecutive array storing the DoFs More... | |
void | freeDofPointer (RangeFieldType *dofPointer) |
allocate a pointer to a consecutive array storing the DoFs More... | |
void | freeDofPointerNoCopy (const RangeFieldType *dofPointer) const |
allocate a pointer to a consecutive array storing the DoFs More... | |
template<class DFType > | |
void | axpy (const RangeFieldType &s, const DiscreteFunctionInterface< DFType > &g) |
axpy operation More... | |
void | axpy (const RangeFieldType &s, const DiscreteFunctionInterfaceType &g) |
axpy operation More... | |
template<class DFType > | |
RangeFieldType | scalarProductDofs (const DiscreteFunctionInterface< DFType > &other) const |
Scalar product between the DoFs of two discrete functions. More... | |
Dune::FieldTraits< RangeFieldType >::real_type | normSquaredDofs () const |
Squared small l^2 norm of all dofs. More... | |
void | print (std::ostream &out) const |
print all DoFs to a stream (for debugging purposes) More... | |
bool | dofsValid () const |
check for NaNs More... | |
template<class DFType > | |
void | assign (const DiscreteFunctionInterface< DFType > &g) |
void | assign (const DiscreteFunctionType &g) |
template<class Operation > | |
CommDataHandle< Operation >::Type | dataHandle (const Operation *operation) |
return reference to data handle object More... | |
void | communicate () |
do default communication of space for this discrete function 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 (const DomainType &x,HessianRangeType &hessian) const More... | |
template<class DFType > | |
DiscreteFunctionType & | operator+= (const DiscreteFunctionInterface< DFType > &g) |
add another discrete function to this one More... | |
DiscreteFunctionType & | operator+= (const DiscreteFunctionType &g) |
add another discrete function to this one More... | |
template<class DFType > | |
DiscreteFunctionType & | operator-= (const DiscreteFunctionInterface< DFType > &g) |
substract all degrees of freedom from given discrete function using the dof iterators More... | |
DiscreteFunctionType & | operator-= (const DiscreteFunctionType &g) |
substract all degrees of freedom from given discrete function using the dof iterators More... | |
DiscreteFunctionType & | operator*= (const RangeFieldType &scalar) |
multiply all DoFs with a scalar factor More... | |
DiscreteFunctionType & | operator/= (const RangeFieldType &scalar) |
devide all DoFs by a scalar factor More... | |
template<class StreamTraits > | |
void | read (InStreamInterface< StreamTraits > &in) |
read the discrete function from a stream More... | |
template<class StreamTraits > | |
void | write (OutStreamInterface< StreamTraits > &out) const |
write the discrete function into a stream More... | |
void | enableDofCompression () |
Enable this discrete function for dof compression, i.e. during grdi changes a dof compression is done when the DofManagers compress is called. More... | |
template<class DFType > | |
bool | operator== (const DiscreteFunctionInterface< DFType > &g) const |
template<class DFType > | |
bool | operator!= (const DiscreteFunctionInterface< DFType > &g) const |
LocalDofVectorAllocatorType & | localDofVectorAllocator () const |
obtain the local function storage More... | |
template<class LocalDofs > | |
void | addScaledLocalDofs (const EntityType &entity, const RangeFieldType &s, const LocalDofs &localDofs) |
add scaled local Dofs to dof vector More... | |
template<class LocalDofs > | |
void | addLocalDofs (const EntityType &entity, const LocalDofs &localDofs) |
add local Dofs to dof vector More... | |
template<class LocalDofs > | |
void | setLocalDofs (const EntityType &entity, const LocalDofs &localDofs) |
set local Dofs to dof vector More... | |
void | getLocalDofs (const EntityType &entity, LocalDofVectorType &localDofs) |
get local Dofs and store a reference to it in the LocalDofVector More... | |
template<class A > | |
void | getLocalDofs (const EntityType &entity, Dune::DynamicVector< DofType, A > &localDofs) const |
get local Dofs and store the values in LocalDofVector More... | |
template<class Operation > | |
DiscreteFunctionDefault< Impl >::template CommDataHandle< Operation >::Type | dataHandle (const Operation *operation) |
DefaultLoadBalanceContainsCheckType | defaultLoadBalanceContainsCheck () const |
virtual void | operator() (const DomainType &arg, RangeType &dest) const |
application operator call evaluate More... | |
void | operator() (const DomainType &arg, RangeType &dest) const |
Application operator that applies all operators in the linear combination stack. 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... | |
Protected Member Functions | |
DiscreteFunctionDefault (const std::string &name, const DiscreteFunctionSpaceType &dfSpace) | |
Constructor storing discrete function space and local function factory. More... | |
virtual void | backup () const |
virtual void | restore () |
virtual void | insertSubData () |
virtual void | removeSubData () |
template<class Functor > | |
void | evaluateGlobal (const DomainType &x, Functor functor) const |
evaluate functor in global coordinate More... | |
const Impl & | asImp () const |
Impl & | asImp () |
virtual void * | pointer () |
Static Protected Member Functions | |
static const Impl & | asImp (const ThisType &other) |
static Impl & | asImp (ThisType &other) |
Protected Attributes | |
const DiscreteFunctionSpaceType & | dfSpace_ |
Traits::LocalDofVectorStackType | ldvStack_ |
LocalDofVectorAllocatorType | ldvAllocator_ |
DebugLock | dofPointerLock_ |
std::string | name_ |
ScalarProductType | scalarProduct_ |
Related Functions | |
(Note that these are not member functions.) | |
template<class Impl > | |
std::ostream & | operator<< (std::ostream &out, const DiscreteFunctionInterface< Impl > &df) |
write a discrete function into an STL stream More... | |
Default implementation of the discrete function. This class is responsible for the dof storage. Different implementations of the discrete function use different dof storage. The default implementation provides +=, -= and so on operators and a DofIterator access, which can run over all dofs in an efficient way. Furthermore with an entity you can access a local function to evaluate the discrete function by multiplying the dofs and the basefunctions.
typedef BaseType :: ConstDofBlockPtrType Dune::Fem::DiscreteFunctionDefault< Impl >::ConstDofBlockPtrType |
typedef BaseType :: ConstDofBlockType Dune::Fem::DiscreteFunctionDefault< Impl >::ConstDofBlockType |
typedef Traits :: ConstDofIteratorType Dune::Fem::DiscreteFunctionDefault< Impl >::ConstDofIteratorType |
type of the const dof iterator
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typedef BaseType::DiscreteFunctionInterfaceType Dune::Fem::DiscreteFunctionDefault< Impl >::DiscreteFunctionInterfaceType |
typedef BaseType::DiscreteFunctionSpaceType Dune::Fem::DiscreteFunctionDefault< Impl >::DiscreteFunctionSpaceType |
type of discrete function space
typedef Impl Dune::Fem::DiscreteFunctionDefault< Impl >::DiscreteFunctionType |
type of the discrete function (Barton-Nackman parameter)
typedef BaseType :: DofBlockPtrType Dune::Fem::DiscreteFunctionDefault< Impl >::DofBlockPtrType |
typedef BaseType :: DofBlockType Dune::Fem::DiscreteFunctionDefault< Impl >::DofBlockType |
typedef Traits :: DofIteratorType Dune::Fem::DiscreteFunctionDefault< Impl >::DofIteratorType |
type of the dof iterator
typedef BaseType :: DofType Dune::Fem::DiscreteFunctionDefault< Impl >::DofType |
typedef Traits :: DofVectorType Dune::Fem::DiscreteFunctionDefault< Impl >::DofVectorType |
type of DofVector
typedef DiscreteFunctionSpaceType :: DomainFieldType Dune::Fem::DiscreteFunctionDefault< Impl >::DomainFieldType |
type of domain field (usually a float type)
typedef DiscreteFunctionSpaceType :: DomainType Dune::Fem::DiscreteFunctionDefault< Impl >::DomainType |
type of domain vector
typedef BaseType :: EntityType Dune::Fem::DiscreteFunctionDefault< Impl >::EntityType |
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type of function space this function belongs to
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type of the implementation (Barton-Nackman)
typedef BaseType::GridPartType Dune::Fem::DiscreteFunctionDefault< Impl >::GridPartType |
type of the underlying grid part
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Type of the underlying grid.
typedef DiscreteFunctionSpaceType :: HessianRangeType Dune::Fem::DiscreteFunctionDefault< Impl >::HessianRangeType |
type of hessian
typedef DiscreteFunctionSpaceType :: JacobianRangeType Dune::Fem::DiscreteFunctionDefault< Impl >::JacobianRangeType |
type of jacobian
typedef Traits :: LocalDofVectorAllocatorType Dune::Fem::DiscreteFunctionDefault< Impl >::LocalDofVectorAllocatorType |
type of LocalDofVector
typedef Traits :: LocalDofVectorType Dune::Fem::DiscreteFunctionDefault< Impl >::LocalDofVectorType |
type of LocalDofVector
typedef BaseType :: LocalFunctionType Dune::Fem::DiscreteFunctionDefault< Impl >::LocalFunctionType |
type of local functions
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type of mapping base class for this discrete function
typedef DiscreteFunctionSpaceType :: RangeFieldType Dune::Fem::DiscreteFunctionDefault< Impl >::RangeFieldType |
type of range field (usually a float type)
typedef DiscreteFunctionSpaceType :: RangeType Dune::Fem::DiscreteFunctionDefault< Impl >::RangeType |
type of range vector
typedef DofVectorType::SizeType Dune::Fem::DiscreteFunctionDefault< Impl >::SizeType |
size type of the block vector
typedef BaseType :: Traits Dune::Fem::DiscreteFunctionDefault< Impl >::Traits |
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Constructor storing discrete function space and local function factory.
The discrete function space is passed to the interface class and the local function storage is initialized.
[in] | name | name of the discrete function |
[in] | dfSpace | discrete function space |
[in] | lfFactory | local function factory |
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add local Dofs to dof vector
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add scaled local Dofs to dof vector
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allocate a pointer to a consecutive array storing the DoFs
To support external packages, it is often required to have the DoFs in a consecutive array. This function ensures this, making a copy if necessary.
References Dune::Fem::DiscreteFunctionDefault< Impl >::freeDofPointer().
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axpy operation
Adds s * g to this discrete function.
[in] | s | scalar value to scale g with |
[in] | g | discrete function to add |
References Dune::Fem::DiscreteFunctionDefault< Impl >::assign(), Dune::Fem::DiscreteFunctionInterface< Impl >::dbegin(), and Dune::Fem::DiscreteFunctionInterface< Impl >::size().
Referenced by Dune::Fem::DiscreteFunctionDefault< Impl >::dofsValid().
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axpy operation
Adds s * g to this discrete function.
[in] | s | scalar value to scale g with |
[in] | g | discrete function to add |
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Implements Dune::Fem::PersistentObject.
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obtain pointer to block of discrete function with block number index (read-only)
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obtain pointer to block of discrete function with block number index
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obtain total number of blocks, i.e. size / blockSize.
The number of blocks of DoFs (degrees of freedom) can also be seen as the size of the discrete function divided by the blockSize.
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set all degrees of freedom to zero
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do default communication of space for this discrete function
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CommDataHandle< Operation >:: Type Dune::Fem::DiscreteFunctionDefault< Impl >::dataHandle | ( | const Operation * | operation | ) |
return reference to data handle object
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Obtain the constant iterator pointing to the first dof.
Referenced by Dune::Fem::GenericDiscreteFunctionSpace< Traits >::PAdaptiveDiscreteFunctionEntry< DF, LocalInterpolation >::adaptFunction().
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Obtain the non-constant iterator pointing to the first dof.
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Obtain the constant iterator pointing to the last dof.
Referenced by Dune::Fem::GenericDiscreteFunctionSpace< Traits >::PAdaptiveDiscreteFunctionEntry< DF, LocalInterpolation >::adaptFunction().
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Obtain the non-constant iterator pointing to the last dof.
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check for NaNs
References Dune::Fem::DiscreteFunctionDefault< Impl >::axpy().
Referenced by Dune::Fem::DiscreteFunctionDefault< Impl >::print().
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Referenced by Dune::Fem::DiscreteFunctionDefault< CombinedDiscreteFunction< ContainedDiscreteFunctionImp, N > >::assign(), Dune::Fem::DiscreteFunctionDefault< CombinedDiscreteFunction< ContainedDiscreteFunctionImp, N > >::operator+=(), and Dune::Fem::DiscreteFunctionDefault< CombinedDiscreteFunction< ContainedDiscreteFunctionImp, N > >::operator-=().
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Enable this discrete function for dof compression, i.e. during grdi changes a dof compression is done when the DofManagers compress is called.
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evaluate the function
[in] | x | evaluation point |
[out] | value | value of the function in x |
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evaluate the function
[in] | x | evaluation point |
[out] | value | value of the function in x |
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evaluate functor in global coordinate
References Dune::Fem::DiscreteFunctionDefault< Impl >::operator+=().
Referenced by Dune::Fem::DiscreteFunctionDefault< Impl >::dataHandle().
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allocate a pointer to a consecutive array storing the DoFs
This method serves two purposes:
[in] | dofPointer | pointer to the dof array previously allocated by allocDofPointer |
References Dune::Fem::DiscreteFunctionDefault< Impl >::freeDofPointerNoCopy().
Referenced by Dune::Fem::DiscreteFunctionDefault< Impl >::allocDofPointer().
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allocate a pointer to a consecutive array storing the DoFs
This method serves sincet the user cannot know, if the DoF array returned by allocDofPointer has to be freed.
[in] | dofPointer | pointer to the dof array previously allocated by allocDofPointer |
References Dune::Fem::DiscreteFunctionDefault< Impl >::print().
Referenced by Dune::Fem::DiscreteFunctionDefault< Impl >::freeDofPointer().
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get local Dofs and store a reference to it in the LocalDofVector
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get local Dofs and store the values in LocalDofVector
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obtain a reference to the underlying grid part
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evaluate the hessian of the function
[in] | x | evaluation point |
[out] | hessian | value of the hessian in x |
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evaluate the hessian of the function (const DomainType &x,HessianRangeType &hessian) const
[in] | x | evaluation point |
[out] | hessian | value of the hessian in x (const DomainType &x,HessianRangeType &hessian) const |
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Reimplemented from Dune::Fem::PersistentObject.
References Dune::Fem::PersistentIndexSetInterface::addBackupRestore(), Dune::Fem::Capabilities::isPersistentIndexSet< IndexSet >::map(), and Dune::Fem::DiscreteFunctionDefault< Impl >::removeSubData().
Referenced by Dune::Fem::DiscreteFunctionDefault< Impl >::write().
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evaluate the Jacobian of the function
[in] | x | evaluation point |
[out] | jacobian | value of the Jacobian in x |
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evaluate the Jacobian of the function
[in] | x | evaluation point |
[out] | jacobian | value of the Jacobian in x |
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obtain the local function storage
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obtain a local function for an entity (read-write)
[in] | entity | Entity to focus view of discrete function |
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obtain a local function for an entity (read-write)
[in] | entity | Entity to focus view of discrete function |
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obtain the name of the discrete function
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Squared small l^2 norm of all dofs.
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application operator call evaluate
[in] | arg | argument |
[out] | dest | destination, i.e. f(arg) |
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Application operator that applies all operators in the linear combination stack.
[in] | arg | argument |
[out] | dest | destination |
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multiply all DoFs with a scalar factor
[in] | scalar | factor to multiply DoFs with |
References Dune::Fem::DiscreteFunctionDefault< Impl >::read().
Referenced by Dune::Fem::DiscreteFunctionDefault< Impl >::operator-=().
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add another discrete function to this one
[in] | g | discrete function to add |
References Dune::Fem::DiscreteFunctionInterface< Impl >::dbegin(), Dune::Fem::DiscreteFunctionDefault< Impl >::operator-=(), and Dune::Fem::DiscreteFunctionInterface< Impl >::size().
Referenced by Dune::Fem::DiscreteFunctionDefault< Impl >::evaluateGlobal().
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add another discrete function to this one
[in] | g | discrete function to add |
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substract all degrees of freedom from given discrete function using the dof iterators
[in] | g | discrete function which is substracted from this discrete function |
References Dune::Fem::DiscreteFunctionInterface< Impl >::dbegin(), Dune::Fem::DiscreteFunctionDefault< Impl >::operator*=(), and Dune::Fem::DiscreteFunctionInterface< Impl >::size().
Referenced by Dune::Fem::DiscreteFunctionDefault< Impl >::operator+=().
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substract all degrees of freedom from given discrete function using the dof iterators
[in] | g | discrete function which is substracted from this discrete function |
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devide all DoFs by a scalar factor
[in] | scalar | factor with which all dofs are devided |
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Reimplemented in Dune::Fem::PersistenceManager::WrapObject< ObjectType, false >.
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print all DoFs to a stream (for debugging purposes)
[in] | out | stream to print to |
References Dune::Fem::DiscreteFunctionDefault< Impl >::dofsValid().
Referenced by Dune::Fem::DiscreteFunctionDefault< Impl >::freeDofPointerNoCopy().
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read the discrete function from a stream
[in] | in | stream to read the discrete function from |
References Dune::Fem::InStreamInterface< TraitsImp >::readUnsignedInt(), Dune::Fem::spaceName(), and Dune::Fem::DiscreteFunctionDefault< Impl >::write().
Referenced by Dune::Fem::DiscreteFunctionDefault< Impl >::operator*=().
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Reimplemented from Dune::Fem::PersistentObject.
References Dune::Fem::Capabilities::isPersistentIndexSet< IndexSet >::map(), Dune::Fem::DiscreteFunctionDefault< Impl >::operator==(), and Dune::Fem::PersistentIndexSetInterface::removeBackupRestore().
Referenced by Dune::Fem::DiscreteFunctionDefault< Impl >::insertSubData().
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Implements Dune::Fem::PersistentObject.
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Scalar product between the DoFs of two discrete functions.
[in] | other | discrete function to evaluate the scalar product with |
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set local Dofs to dof vector
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Return the number of blocks in the block vector.
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obtain a reference to the corresponding DiscreteFunctionSpace
Referenced by Dune::Fem::SpaceOperatorInterface< DiscreteFunction >::CallDoubleOperator< Op, AdaptiveDiscreteFunction< SpaceType >, double >::apply(), and Dune::Fem::SpaceOperatorInterface< DiscreteFunction >::CallDoubleOperator< Op, AdaptiveDiscreteFunction< SpaceType >, double >::limit().
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write the discrete function into a stream
[in] | out | stream to write the discrete function to |
References Dune::Fem::DiscreteFunctionDefault< Impl >::insertSubData().
Referenced by Dune::Fem::DiscreteFunctionDefault< Impl >::read().
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write a discrete function into an STL stream
[in] | out | STL stream to write to |
[in] | df | discrete function to write |
References Dune::Fem::DiscreteFunctionInterface< Impl >::print().
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