OpenLB 1.8.1
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olb::SuperIntegral3D< T, W > Class Template Reference

SuperIntegral3D integrates f on a indicated subset. More...

#include <superIntegralF3D.h>

+ Inheritance diagram for olb::SuperIntegral3D< T, W >:
+ Collaboration diagram for olb::SuperIntegral3D< T, W >:

Public Member Functions

 SuperIntegral3D (FunctorPtr< SuperF3D< T, W > > &&f, FunctorPtr< SuperIndicatorF3D< T > > &&indicatorF)
 Constructor for integrating f on a indicated subset.
 
 SuperIntegral3D (FunctorPtr< SuperF3D< T, W > > &&f, SuperGeometry< T, 3 > &superGeometry, const int material)
 Constructor for integrating f on a given material.
 
bool operator() (W output[], const int input[]) override
 has to be implemented for 'every' derived class
 
- Public Member Functions inherited from olb::SuperF3D< T, W >
SuperF3D< T, W > & operator- (SuperF3D< T, W > &rhs)
 
SuperF3D< T, W > & operator+ (SuperF3D< T, W > &rhs)
 
SuperF3D< T, W > & operator* (SuperF3D< T, W > &rhs)
 
SuperF3D< T, W > & operator/ (SuperF3D< T, W > &rhs)
 
SuperStructure< T, 3 > & getSuperStructure ()
 
int getBlockFSize () const
 
BlockF3D< W > & getBlockF (int iCloc)
 
- Public Member Functions inherited from olb::GenericF< W, int >
virtual ~GenericF ()=default
 
int getSourceDim () const
 read only access to member variable _m
 
int getTargetDim () const
 read only access to member variable _n
 
std::string & getName ()
 read and write access to name
 
std::string const & getName () const
 read only access to name
 
bool operator() (W output[])
 wrapper that call the pure virtual operator() (T output[], const S input[]) from above
 
bool operator() (W output[], int input0)
 
bool operator() (W output[], int input0, int input1)
 
bool operator() (W output[], int input0, int input1, int input2)
 
bool operator() (W output[], int input0, int input1, int input2, int input3)
 

Additional Inherited Members

- Public Types inherited from olb::SuperF3D< T, W >
using identity_functor_type
 
- Public Types inherited from olb::GenericF< W, int >
using targetType
 
using sourceType
 
- Public Attributes inherited from olb::GenericF< W, int >
std::shared_ptr< GenericF< W, int > > _ptrCalcC
 memory management, frees resouces (calcClass)
 
- Static Public Attributes inherited from olb::SuperF3D< T, W >
static constexpr bool isSuper
 
static constexpr unsigned d
 
- Protected Member Functions inherited from olb::SuperF3D< T, W >
 SuperF3D (SuperStructure< T, 3 > &superStructure, int targetDim)
 
- Protected Member Functions inherited from olb::GenericF< W, int >
 GenericF (int targetDim, int sourceDim)
 
- Protected Attributes inherited from olb::SuperF3D< T, W >
SuperStructure< T, 3 > & _superStructure
 
std::vector< std::unique_ptr< BlockF3D< W > > > _blockF
 Super functors may consist of several BlockF3D<W> derived functors.
 

Detailed Description

template<typename T, typename W>
class olb::SuperIntegral3D< T, W >

SuperIntegral3D integrates f on a indicated subset.

Definition at line 125 of file aliases.h.

Constructor & Destructor Documentation

◆ SuperIntegral3D() [1/2]

template<typename T , typename W >
olb::SuperIntegral3D< T, W >::SuperIntegral3D ( FunctorPtr< SuperF3D< T, W > > && f,
FunctorPtr< SuperIndicatorF3D< T > > && indicatorF )

Constructor for integrating f on a indicated subset.

Parameters
ffunctor to be integrated
indicatorFindicator describing the subset on which to evaluate f

Definition at line 124 of file superIntegralF3D.hh.

126 : SuperF3D<T,W>(f->getSuperStructure(), f->getTargetDim()),
127 _f(std::move(f)),
128 _indicatorF(std::move(indicatorF))
129{
130 this->getName() = "Integral("+_f->getName()+")";
131
132 LoadBalancer<T>& load = _f->getSuperStructure().getLoadBalancer();
133
134 if ( _f->getBlockFSize() == load.size() &&
135 _indicatorF->getBlockFSize() == load.size() ) {
136 for (int iC = 0; iC < load.size(); ++iC) {
137 this->_blockF.emplace_back(
138 new BlockIntegral3D<T,W>(_f->getBlockF(iC),
139 _indicatorF->getBlockIndicatorF(iC))
140 );
141 }
142 }
143}
std::string & getName()
Definition genericF.hh:51
std::vector< std::unique_ptr< BlockF3D< W > > > _blockF

References olb::SuperF3D< T, W >::_blockF, olb::GenericF< W, int >::getName(), and olb::LoadBalancer< T >::size().

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◆ SuperIntegral3D() [2/2]

template<typename T , typename W >
olb::SuperIntegral3D< T, W >::SuperIntegral3D ( FunctorPtr< SuperF3D< T, W > > && f,
SuperGeometry< T, 3 > & superGeometry,
const int material )

Constructor for integrating f on a given material.

Parameters
ffunctor to be integrated
superGeometrysuper geometry for constructing material indicator
materialnumber of the relevant material

Definition at line 146 of file superIntegralF3D.hh.

150 std::forward<decltype(f)>(f),
151 superGeometry.getMaterialIndicator(material))
152{ }
SuperIntegral3D(FunctorPtr< SuperF3D< T, W > > &&f, FunctorPtr< SuperIndicatorF3D< T > > &&indicatorF)
Constructor for integrating f on a indicated subset.

Member Function Documentation

◆ operator()()

template<typename T , typename W >
bool olb::SuperIntegral3D< T, W >::operator() ( W output[],
const int input[] )
overridevirtual

has to be implemented for 'every' derived class

Reimplemented from olb::SuperF3D< T, W >.

Definition at line 155 of file superIntegralF3D.hh.

156{
157 _f->getSuperStructure().communicate();
158 auto& geometry = _f->getSuperStructure().getCuboidDecomposition();
159 LoadBalancer<T>& load = _f->getSuperStructure().getLoadBalancer();
160
161 for (int i = 0; i < this->getTargetDim(); ++i) {
162 output[i] = W(0);
163 }
164
165 if (this->_blockF.empty()) {
166 W outputTmp[_f->getTargetDim()];
167 int inputTmp[_f->getSourceDim()];
168 std::vector<util::KahanSummator<W>> summators(_f->getTargetDim(), util::KahanSummator<W>());
169
170 for (int iC = 0; iC < load.size(); ++iC) {
171 const Cuboid3D<T> cuboid = geometry.get(load.glob(iC));
172 const W weight = util::pow(cuboid.getDeltaR(), 3);
173 inputTmp[0] = load.glob(iC);
174 for (inputTmp[1] = 0; inputTmp[1] < cuboid.getNx(); ++inputTmp[1]) {
175 for (inputTmp[2] = 0; inputTmp[2] < cuboid.getNy(); ++inputTmp[2]) {
176 for (inputTmp[3] = 0; inputTmp[3] < cuboid.getNz(); ++inputTmp[3]) {
177 if (_indicatorF(inputTmp)) {
178 _f(outputTmp,inputTmp);
179 for (int i = 0; i < this->getTargetDim(); ++i) {
180 summators[i].add(outputTmp[i]*weight);
181 }
182 }
183 }
184 }
185 }
186 }
187 for (int i = 0; i < _f->getTargetDim(); ++i) {
188 output[i] = summators[i].getSum();
189 }
190 }
191 else {
192 for (int iC = 0; iC < load.size(); ++iC) {
193 this->getBlockF(iC)(output, input);
194 }
195 }
196
197#ifdef PARALLEL_MODE_MPI
198 for (int i = 0; i < this->getTargetDim(); ++i) {
199 singleton::mpi().reduceAndBcast(output[i], MPI_SUM);
200 }
201#endif
202 return true;
203}
int getTargetDim() const
Definition genericF.hh:45
BlockF3D< W > & getBlockF(int iCloc)
void reduceAndBcast(T &reductVal, MPI_Op op, int root=0, MPI_Comm comm=MPI_COMM_WORLD)
Reduction operation, followed by a broadcast.
MpiManager & mpi()
Expr pow(Expr base, Expr exp)
Definition expr.cpp:235
Cuboid< T, 3 > Cuboid3D
Definition cuboid.h:151

References olb::SuperStructure< T, D >::communicate(), olb::Cuboid< T, D >::getDeltaR(), olb::Cuboid< T, D >::getNx(), olb::Cuboid< T, D >::getNy(), olb::Cuboid< T, D >::getNz(), olb::SuperF3D< T, U >::getSuperStructure(), olb::LoadBalancer< T >::glob(), olb::singleton::mpi(), olb::util::pow(), olb::singleton::MpiManager::reduceAndBcast(), and olb::LoadBalancer< T >::size().

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