Peano

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This file is part of the SWIFT 2 project. More...

Namespaces
namespace	actionsets
	This file is part of the SWIFT 2 project.

namespace	api
	This file is part of the SWIFT 2 project.

namespace	boundaryconditions

namespace	commandlinesettings

namespace	dastgenTest

namespace	dependencychecks

namespace	input
	Input utilities.

namespace	kernels

namespace	particle
	This file is part of the SWIFT 2 project.

namespace	Project

namespace	scenario
	Initialisation snippets for various scenarios.

namespace	sphtools
	This file is part of the SWIFT 2 project.

namespace	statistics

namespace	timestepping

Data Structures
class	ParticleSpecies
	Represent one type (species) of particles. More...

class	TaskEnumerator
	Task enumerator for Swift 2. More...

struct	TaskNumber
	Task Number. More...

Typedefs
using	PendingDependencies = std::set<std::pair<::swift2::TaskNumber, ::swift2::TaskNumber>>
	Pending dependencies container.

Functions
void	commitGridControlEvents (const std::list< peano4::grid::GridControlEvent > &events)
	Commmit a new set of events.

void	markAllParticlesAsUpdatedWithinCell (auto &particleContainer, const peano4::datamanagement::CellMarker &marker)

std::string	toString (const std::set< TaskNumber > &numbers)

int	flatten (const TaskNumber &numbers)
	Alias around method flatten().

std::set< int >	flatten (const std::set< TaskNumber > &numbers)

template<typename Vertex >
std::set<::swift2::TaskNumber >	getVertexNumbersOfParentVertices (const peano4::datamanagement::VertexMarker &marker, peano4::datamanagement::VertexEnumerator< Vertex > coarseGridVertices, ::swift2::TaskNumber::TaskAssociation taskAssociation)
	Get numbers of parent vertices.

template<typename Vertex >
std::set<::swift2::TaskNumber >	getVertexNumbersOfParentVertices (tarch::la::Vector< Dimensions, int > position, peano4::datamanagement::VertexEnumerator< Vertex > coarseGridVertices, ::swift2::TaskNumber::TaskAssociation taskAssociation, int dimension)

std::set<::swift2::TaskNumber >	getDependenciesForTask (const ::swift2::TaskNumber &task, PendingDependencies &pendingDependencies)
	Extract set of dependencies for given task.

tarch::tests::TestCase *	getUnitTests ()
	Please destroy after usage.

bool	parseCommandLineArguments (int argc, char **argv)

void	printUsage (char **argv)

void	setDefaultLogStatements ()

Variables
std::vector< peano4::grid::GridControlEvent >	committedGridControlEvents

Detailed Description

This file is part of the SWIFT 2 project.

For conditions of distribution and use, please see the copyright notice at www.peano-framework.org

Typedef Documentation

◆ PendingDependencies

using swift2::PendingDependencies = std::set<std::pair<::swift2::TaskNumber, ::swift2::TaskNumber>>

Pending dependencies container.

When we run through the tree, we sometimes cannot submit dependencies directly. When we are on a fine level, we might, for example, have dependencies from the fine mesh to a touchLastTime event on the next coarser level. This one is not yet submitted. However, once we will get there, i.e. back to the coarser level, the fine grid info will not be at hand anymore. Therefore, we have to memorise these dependencies on the fine grid, and then use this memorised info later.

Dependencies are stored as from->to.

Definition at line 123 of file TaskNumber.h.

Function Documentation

◆ commitGridControlEvents()

void swift2::commitGridControlEvents ( const std::list< peano4::grid::GridControlEvent > & events )

Commmit a new set of events.

Clear the old set.
Copy the new data over. For this, we have to convert the list into a vector.
Merge the elements within the vector. This last step is important, as we run the risk that we have thousands of refine events. Handling such large quantities is expensive, so we should merge them. At the same time, the underlying action set yields a lot of tiny, disjoint refine events, i.e. we haev to be rather generous when we merge them her.

You still have to clear the passed data if you wanna reuse the argument container.

Definition at line 7 of file GridControlEvents.cpp.

References committedGridControlEvents, and peano4::grid::merge().

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◆ flatten() [1/2]

std::set< int > swift2::flatten ( const std::set< TaskNumber > & numbers )

Definition at line 107 of file TaskNumber.cpp.

References swift2::TaskNumber::NoOutDependencies.

◆ flatten() [2/2]

int swift2::flatten ( const TaskNumber & numbers )

Alias around method flatten().

I introduced this one so that both the conversation of a single number and a whole set can be written with the same syntax.

Definition at line 104 of file TaskNumber.cpp.

◆ getDependenciesForTask()

std::set<::swift2::TaskNumber > swift2::getDependenciesForTask	(	const ::swift2::TaskNumber &	task,
		PendingDependencies &	pendingDependencies )

Extract set of dependencies for given task.

We take the bookmarked dependencies from pendingDependencies that feed into task and return those. Before we do so, we remove them from pendingDependencies.

Definition at line 118 of file TaskNumber.cpp.

◆ getUnitTests()

tarch::tests::TestCase * swift2::getUnitTests ( )

Please destroy after usage.

Definition at line 5 of file UnitTests.cpp.

Referenced by runTests().

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◆ getVertexNumbersOfParentVertices() [1/2]

template<typename Vertex >

std::set<::swift2::TaskNumber > swift2::getVertexNumbersOfParentVertices	(	const peano4::datamanagement::VertexMarker &	marker,
		peano4::datamanagement::VertexEnumerator< Vertex >	coarseGridVertices,
		::swift2::TaskNumber::TaskAssociation	taskAssociation )

Get numbers of parent vertices.

We assume that each parent vertex has a routine getNumber(). This routine returns the set of numbers of all parent cells. A vertex can have up to \( 2^d \) parent vertices. If the vertex coincides spatially with a vertex on the next coarser grid (cmp. peano4::datamanagement::VertexMarker::coincidesWithCoarseGridVertex()), then the result will only contain one entry. This means that the current vertex is at the corner of a \( 3^d \) patch within the spacetree. If the vertex is placed along the edges of a patch, one or two parents are returned (unknowns are not stored redundantly).

Definition at line 39 of file TaskNumber.cpph.

References getVertexNumbersOfParentVertices().

Referenced by getVertexNumbersOfParentVertices(), and getVertexNumbersOfParentVertices().

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◆ getVertexNumbersOfParentVertices() [2/2]

template<typename Vertex >

std::set<::swift2::TaskNumber > swift2::getVertexNumbersOfParentVertices	(	tarch::la::Vector< Dimensions, int >	position,
		peano4::datamanagement::VertexEnumerator< Vertex >	coarseGridVertices,
		::swift2::TaskNumber::TaskAssociation	taskAssociation,
		int	dimension )