toolbox::particles::tests::MultiscaleTransitionsTest Class Reference

#include <MultiscaleTransitionsTest.h>

Inheritance diagram for toolbox::particles::tests::MultiscaleTransitionsTest:

Collaboration diagram for toolbox::particles::tests::MultiscaleTransitionsTest:

Public Member Functions
	MultiscaleTransitionsTest ()
virtual void	run () override
	This routine is triggered by the TestCaseCollection.
Public Member Functions inherited from tarch::tests::TestCase
	TestCase (const std::string &testCaseName)
	Constructor.
virtual	~TestCase ()
	Destructor.
int	getNumberOfErrors () const
std::string	getTestCaseName () const

Private Member Functions
void	testSievePredicate ()
	Test setup from the Swift test case:
void	testLiftDropOfParticleAssociatedWithVertex01 ()
	Test the instructions indicatring whether to lift a particle.
void	testLiftDropOfParticleAssociatedWithVertex02 ()
void	testLiftDropOfParticleAssociatedWithVertex03 ()
void	testLiftDropOfParticleAssociatedWithVertex04 ()

Static Private Attributes
static tarch::logging::Log	_log
	Logging device.

Additional Inherited Members
Protected Member Functions inherited from tarch::tests::TestCase
	TestCase ()=delete
Protected Attributes inherited from tarch::tests::TestCase
const std::string	_testCaseName
	Name of the test case.
int	_errors
	Error counter.
bool	_error
	Indicate within macro if one specific validation failed.

Detailed Description

Definition at line 16 of file MultiscaleTransitionsTest.h.

Constructor & Destructor Documentation

MultiscaleTransitionsTest()

toolbox::particles::tests::MultiscaleTransitionsTest::MultiscaleTransitionsTest

(

)

Definition at line 15 of file MultiscaleTransitionsTest.cpp.

Member Function Documentation

run()

void toolbox::particles::tests::MultiscaleTransitionsTest::run ( )

overridevirtual

This routine is triggered by the TestCaseCollection.

Implements tarch::tests::TestCase.

Definition at line 162 of file MultiscaleTransitionsTest.cpp.

References testMethod.

testLiftDropOfParticleAssociatedWithVertex01()

void toolbox::particles::tests::MultiscaleTransitionsTest::testLiftDropOfParticleAssociatedWithVertex01 ( )

private

Test the instructions indicatring whether to lift a particle.

Case

Within the Swift project, I got the following output:

91564839883  00:01:31     rank:0       core:2       info         benchmarks::swift2::noh::observers::StepHydroPartDrift_sweep12peano4_toolbox_particles_api_UpdateParticleGridAssociation_LiftDrop1::touchVertexLastTime(...)                 have to lift particle (debugX=[0.555,0.165],debugH=[0,0],x=[0.554725,0.166678],cellH=[0.111111,0.111111],searchRadius=0.0185185,ParallelState=Local,NewParallelState=Local,MoveState=Moved,CellHasUpdatedParticle=1,cfl=0.1,initialTimeStepSize=0.0001,adjustTimeStepSize=0,hydroDimensions=2,etaFactor=1.2348,smlMin=1e-06,smlMax=0.166667,smlTolerance=0.0001,smlMaxIterations=30,alphaAV=0.8,betaAV=3,mass=2.5e-05,v=[-0.16201,0.986788],a=[8.12471e-05,-0.000445081],density=1.00453,pressure=6.71798e-07,smoothingLength=0.00616007,u=1.00315e-06,uDot=1.97937e-06,f=-1.06997e-07,wcount_dh=-55596,rho_dh=-1.3899,wcount=40181.1,hDot=-0.00911606,smoothingLengthIterCount=0,balsara=0.799973,rot_v=8.11773e-05,div_v=-2.94711,v_sig_AV=0.0934877,soundSpeed=0.00105575,v_full=[-0.16201,0.986788],u_full=1.00325e-06,hasNoNeighbours=0,isBoundaryParticle=0,partid=1,dependencyChecksPeanoEventUsedBySwift=touchVertexFirstTime,dependencyChecksAlgorithmStepLastUpdated=FlagBoundaryParticles,dependencyChecksAlgorithmStepUpdates=1,...,dependencyChecksAlgorithmStepMaskOuts=0,...,dependencyChecksInitStepLastUpdated=FlagBoundaryParticles,dependencyChecksInitStepUpdates=1,...,dependencyChecksInitStepMaskOuts=0,...) to next coarser vertex 1. Previously assigned to (cell-centre=[0.611111,0.166667],cell-h=[0.111111,0.111111],local=1111,hanging=0000,select=0,has-been-refined=1111,will-be-refined=1111,is-parent-vertex-local=1111,is-parent-cell-local=1)

That one is just a tiny little bit too much away from its closest vertex (x-marker._cellCentre=[-0.056386,1.1e-05]) and therefore should be assigned to parent 0.

In the subsequent iteration, it should be dropped again. In a version of the code dated 18/12/23, I was not able to see this drop however. I check the drop behaviour in two steps: I first ensure that the particle is not(!) dropped into the very same vertex again, and then I check that it is indeed dropped into the neighbour vertex.

Realisation

I depend heavily on the fact that this test is a friend of the vertex marker.

Definition at line 73 of file MultiscaleTransitionsTest.cpp.

References toolbox::particles::dropParticle(), toolbox::particles::liftParticleAssociatedWithVertex(), toolbox::particles::ParticleReassociationInstruction_Keep, and validateWithParams6.

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testLiftDropOfParticleAssociatedWithVertex02()

void toolbox::particles::tests::MultiscaleTransitionsTest::testLiftDropOfParticleAssociatedWithVertex02 ( )

private

Definition at line 170 of file MultiscaleTransitionsTest.cpp.

References toolbox::particles::dropParticle(), toolbox::particles::liftParticleAssociatedWithVertex(), validateWithParams6, and validateWithParams7.

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testLiftDropOfParticleAssociatedWithVertex03()

void toolbox::particles::tests::MultiscaleTransitionsTest::testLiftDropOfParticleAssociatedWithVertex03 ( )

private

 Another test from the Swift runs where seven particles disappeared

 This is the dump of the seven missing particles. We only focus on the
 first one from hereon:

 @icode 

• (HydroPart,[0.0555708,0.322228]): ->(moved-while-associated-to-vertex,[0.05,0.32]->x_new,tree=0,trace=substitute-for-whole-trajectory)->(detach-from-vertex,local=1,x=[0,0.333333],h=[0.111111,0.111111],tree=0,trace=UpdateParticleGridAssociation_LiftDrop::__Template_LiftOrReassignParticles)->(assign-to-sieve-set,local=1,tree=0,trace=UpdateParticleGridAssociation_LiftDrop::__Template_LiftOrReassignParticles)
• (HydroPart,[0.0556128,0.33212]): ->(moved-while-associated-to-vertex,[0.05,0.33]->x_new,tree=0,trace=substitute-for-whole-trajectory)->(detach-from-vertex,local=1,x=[0,0.333333],h=[0.111111,0.111111],tree=0,trace=UpdateParticleGridAssociation_LiftDrop::__Template_LiftOrReassignParticles)->(assign-to-sieve-set,local=1,tree=0,trace=UpdateParticleGridAssociation_LiftDrop::__Template_LiftOrReassignParticles)
• (HydroPart,[0.944203,0.618454]): ->(moved-while-associated-to-vertex,[0.95,0.62]->x_new,tree=0,trace=substitute-for-whole-trajectory)->(detach-from-vertex,local=1,x=[1,0.666667],h=[0.111111,0.111111],tree=0,trace=UpdateParticleGridAssociation_LiftDrop::__Template_LiftOrReassignParticles)->(assign-to-sieve-set,local=1,tree=0,trace=UpdateParticleGridAssociation_LiftDrop::__Template_LiftOrReassignParticles)
• (HydroPart,[0.944236,0.628335]): ->(moved-while-associated-to-vertex,[0.95,0.63]->x_new,tree=0,trace=substitute-for-whole-trajectory)->(detach-from-vertex,local=1,x=[1,0.666667],h=[0.111111,0.111111],tree=0,trace=UpdateParticleGridAssociation_LiftDrop::__Template_LiftOrReassignParticles)->(assign-to-sieve-set,local=1,tree=0,trace=UpdateParticleGridAssociation_LiftDrop::__Template_LiftOrReassignParticles)
• (HydroPart,[0.944271,0.638218]): ->(moved-while-associated-to-vertex,[0.95,0.64]->x_new,tree=0,trace=substitute-for-whole-trajectory)->(detach-from-vertex,local=1,x=[1,0.666667],h=[0.111111,0.111111],tree=0,trace=UpdateParticleGridAssociation_LiftDrop::__Template_LiftOrReassignParticles)->(assign-to-sieve-set,local=1,tree=0,trace=UpdateParticleGridAssociation_LiftDrop::__Template_LiftOrReassignParticles)
• (HydroPart,[0.944308,0.648103]): ->(moved-while-associated-to-vertex,[0.95,0.65]->x_new,tree=0,trace=substitute-for-whole-trajectory)->(detach-from-vertex,local=1,x=[1,0.666667],h=[0.111111,0.111111],tree=0,trace=UpdateParticleGridAssociation_LiftDrop::__Template_LiftOrReassignParticles)->(assign-to-sieve-set,local=1,tree=0,trace=UpdateParticleGridAssociation_LiftDrop::__Template_LiftOrReassignParticles)

• (HydroPart,[0.944347,0.65799]): ->(moved-while-associated-to-vertex,[0.95,0.66]->x_new,tree=0,trace=substitute-for-whole-trajectory)->(detach-from-vertex,local=1,x=[1,0.666667],h=[0.111111,0.111111],tree=0,trace=UpdateParticleGridAssociation_LiftDrop::__Template_LiftOrReassignParticles)->(assign-to-sieve-set,local=1,tree=0,trace=UpdateParticleGridAssociation_LiftDrop::__Template_LiftOrReassignParticles)

  This is due to lifts without the corresponding drops. We can see the following line for the first particle:

  482512398740 00:08:02     rank:0       core:7       info         benchmarks::swift2::noh::vertexdata::HydroPartSet::mergeWithParticle(...)                           inflying particle=(debugX=[0.05,0.32],debugH=[0,0],x=[0.0555708,0.322228],cellH=[0.111111,0.111111],searchRadius=0.0555556,ParallelState=Virtual,MoveState=Moved,CellHasUpdatedParticle=1,mass=0.0001,v=[0.928474,0.37139],a=[-0.000587972,-0.000240799],density=1.01022,pressure=6.76278e-07,smoothingLength=0.0122854,u=1.00416e-06,uDot=1.39669e-06,v_full=[0.928473,0.37139],u_full=1.00416e-06,wcount=10102.2,wcount_dh=-6995.6,f=-4.27191e-07,hDot=-0.0128069,rho_dh=-0.69956,smoothingLengthIterCount=0,hasNoNeighbours=0,isBoundaryParticle=0,partid=1,cfl=0.1,initialTimeStepSize=0.001,adjustTimeStepSize=0,hydroDimensions=2,etaFactor=1.2348,smlMin=1e-06,smlMax=0.166667,smlTolerance=0.0001,smlMaxIterations=30,alphaAV=0.8,betaAV=3,balsara=0.799889,rot_v=0.000278591,div_v=-2.07604,v_sig_AV=0.140208,soundSpeed=0.00105628,dependencyChecksPeanoEventUsedBySwift=touchVertexFirstTime,dependencyChecksAlgorithmStepLastUpdated=FlagBoundaryParticles,dependencyChecksAlgorithmStepUpdates=1,...,dependencyChecksAlgorithmStepMaskOuts=0,...,dependencyChecksInitStepLastUpdated=FlagBoundaryParticles,dependencyChecksInitStepUpdates=1,...,dependencyChecksInitStepMaskOuts=0,...) at vertex (cell-centre=[0.0555556,0.388889],cell-h=[0.111111,0.111111],local=1111,hanging=0000,select=1,has-been-refined=0000,will-be-refined=0000,is-parent-vertex-local=1111,is-parent-cell-local=1,rel-pos-within-father=[0,0],is-adjacent-cell-local=110110000,x(selected)=[0.111111,0.333333]) is new and will be remote on tree  1 (marker=(cell-centre=[0.0555556,0.388889],cell-h=[0.111111,0.111111],local=1111,hanging=0000,select=1,has-been-refined=0000,will-be-refined=0000,is-parent-vertex-local=1111,is-parent-cell-local=1,rel-pos-within-father=[0,0],is-adjacent-cell-local=110110000,x(selected)=[0.111111,0.333333]))

  so the particle has been local on tree 0 and remote on tree 1, before it started to move. Then it moves and is lifted. We obtain only one drop after that. That drop yields a remote particle on tree 1, i.e. it seems that it is really only dropped on tree 1. And on this tree 1, it is then erased, as it is not local. What we'd like to see is that it is

  • dropped on both tree 0 and tree 1, with one of them yielding a local particle; or
  • dropped on either of the trees where it yields a local particle.

After studying the setup, it became clear that the sorting per se was correct: The problem here is that the particle should never have ended up on the fine level anyway. If it is there, it should be lifted and counted there, which it is not apparently. So the lift/drop behaves correctly, but the constellation is ill-posed in the first place. If we remove the search radius (as in the implementation of the test), the code shows the correct behaviour.

Once we have assessed the original setup, we therefore return to the large search radius of 0.0555556

Definition at line 228 of file MultiscaleTransitionsTest.cpp.

References toolbox::particles::dropParticle(), toolbox::particles::internal::fitsIntoLevel(), toolbox::particles::liftParticleAssociatedWithVertex(), tarch::la::NUMERICAL_ZERO_DIFFERENCE, toolbox::particles::ParticleReassociationInstruction_Keep, toolbox::particles::ParticleReassociationInstruction_SieveGlobally, toolbox::particles::internal::relativeGrabOwnershipSpatialSortingTolerance(), toolbox::particles::internal::relativeReleaseOwnershipSpatialSortingTolerance(), toolbox::particles::sieveParticle(), validateEqualsWithParams1, validateEqualsWithParams5, validateWithParams1, and validateWithParams5.

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testLiftDropOfParticleAssociatedWithVertex04()

void toolbox::particles::tests::MultiscaleTransitionsTest::testLiftDropOfParticleAssociatedWithVertex04 ( )

private

 Another lift/drop test

 I found the following entry in the database after a particle had disappeared:

 @icode 

• (HydroPart,[0.5,0.5]): ->(detach-from-vertex,local=1,x=[0.333333,0.333333],h=[0.333333,0.333333],tree=0,trace=UpdateParticleGridAssociation_BucketSort::__Template_LiftParticles)->(assign-to-sieve-set,local=1,tree=0,trace=UpdateParticleGridAssociation_BucketSort::__Template_LiftParticles) (file:assignmentchecks/TracingAPI.cpp,line:836)

  This particle resides exactly in the centre of a cell and seems to be lifted, which contradicts our working assumption that vertices are careful with releasing particles and not aggressive when it comes to grabbing them.

  The lift stems from this place:

  496656108    00:00:00     rank:0       core:1       info         benchmarks::swift2::noh::observers::StepHydroPartDrift_sweep12peano4_toolbox_particles_api_UpdateParticleGridAssociation_BucketSort0::touchVertexLastTime(...) lift particle (,x=[0.5,0.5],cellH=[0.333333,0.333333],searchRadius=0.15,ParallelState=Local,MoveState=Moved,CellHasUpdatedParticle=1,mass=0.01,v=[-3.51825e-06,3.5199e-06],a=[1.29168e-05,-9.76758e-05],density=1.01558,pressure=6.80968e-07,smoothingLength=0.12252,u=1.00578e-06,uDot=1.15969e-05,v_full=[-3.5176e-06,3.51502e-06],u_full=1.00578e-06,wcount=101.558,wcount_dh=-14.06,f=0,hDot=-1.06525,rho_dh=-0.1406,smoothingLengthIterCount=0,hasNoNeighbours=0,isBoundaryParticle=0,partid=1,cfl=0.1,initialTimeStepSize=0.0001,adjustTimeStepSize=0,hydroDimensions=2,etaFactor=1.2348,smlMin=1e-06,smlMax=0.166667,smlTolerance=0.0001,smlMaxIterations=30,alphaAV=0.8,betaAV=3,balsara=0.8,rot_v=4.39144e-07,div_v=-17.2853,v_sig_AV=3.00064,soundSpeed=0.00105714) globally. Previously assigned to (cell-centre=[0.166667,0.5],cell-h=[0.333333,0.333333],local=1011,hanging=0000,select=1,has-been-refined=0000,will-be-refined=0000,is-parent-vertex-local=1111,is-parent-cell-local=0,rel-pos-within-father=[0,1],is-adjacent-cell-local=000100110,x(selected)=[0.333333,0.333333])
  500006642    00:00:00     rank:0       core:2       info         benchmarks::swift2::noh::repositories::GlobalState::finishIntermediateStep() sort statistics: #lifts=0, #drops=0, #lifts-into-sieve-set=1, #drops-from-sieve-set=0, #drops-into-horizontal-tree-decomposition=0, #reassignments=0

  Funny enough, this particular bug did arise only for two threads, but passed with eight. Digging into the output revealed that the inflying particle seems to not to be local on either rank:

  1616501080   00:00:01     rank:0       core:7       info         benchmarks::swift2::noh::observers::StepHydroPartDrift_sweep12peano4_toolbox_particles_api_UpdateParticleGridAssociation_BucketSort0::touchVertexLastTime(...) lift particle (,x=[0.5,0.5],cellH=[0.333333,0.333333],searchRadius=0.15,ParallelState=Local,MoveState=Moved,CellHasUpdatedParticle=1,mass=0.01,v=[-3.51825e-06,3.5199e-06],a=[1.29168e-05,-9.76758e-05],density=1.01558,pressure=6.80968e-07,smoothingLength=0.12252,u=1.00578e-06,uDot=1.15969e-05,v_full=[-3.5176e-06,3.51502e-06],u_full=1.00578e-06,wcount=101.558,wcount_dh=-14.06,f=0,hDot=-1.06525,rho_dh=-0.1406,smoothingLengthIterCount=0,hasNoNeighbours=0,isBoundaryParticle=0,partid=1,cfl=0.1,initialTimeStepSize=0.0001,adjustTimeStepSize=0,hydroDimensions=2,etaFactor=1.2348,smlMin=1e-06,smlMax=0.166667,smlTolerance=0.0001,smlMaxIterations=30,alphaAV=0.8,betaAV=3,balsara=0.8,rot_v=4.39144e-07,div_v=-17.2853,v_sig_AV=3.00064,soundSpeed=0.00105714) globally from tree 0. Previously assigned to (cell-centre=[0.166667,0.5],cell-h=[0.333333,0.333333],local=1011,hanging=0000,select=1,has-been-refined=0000,will-be-refined=0000,is-parent-vertex-local=1111,is-parent-cell-local=0,rel-pos-within-father=[0,1],is-adjacent-cell-local=000100110,x(selected)=[0.333333,0.333333])
  1620846099   00:00:01     rank:0       core:6       info         benchmarks::swift2::noh::observers::DummyStepHydroPartPredictHydro_sweep22peano4_toolbox_particles_api_UpdateParticleGridAssociation_BucketSort0::touchVertexFirstTime() now we drop particle (,x=[0.5,0.5],cellH=[0.333333,0.333333],searchRadius=0.15,ParallelState=Local,MoveState=Moved,CellHasUpdatedParticle=1,mass=0.01,v=[-3.51825e-06,3.5199e-06],a=[1.29168e-05,-9.76758e-05],density=1.01558,pressure=6.80968e-07,smoothingLength=0.12252,u=1.00578e-06,uDot=1.15969e-05,v_full=[-3.5176e-06,3.51502e-06],u_full=1.00578e-06,wcount=101.558,wcount_dh=-14.06,f=0,hDot=-1.06525,rho_dh=-0.1406,smoothingLengthIterCount=0,hasNoNeighbours=0,isBoundaryParticle=0,partid=1,cfl=0.1,initialTimeStepSize=0.0001,adjustTimeStepSize=0,hydroDimensions=2,etaFactor=1.2348,smlMin=1e-06,smlMax=0.166667,smlTolerance=0.0001,smlMaxIterations=30,alphaAV=0.8,betaAV=3,balsara=0.8,rot_v=4.39144e-07,div_v=-17.2853,v_sig_AV=3.00064,soundSpeed=0.00105714)

Definition at line 343 of file MultiscaleTransitionsTest.cpp.

References toolbox::particles::internal::fitsIntoLevel(), toolbox::particles::liftParticleAssociatedWithVertex(), tarch::la::NUMERICAL_ZERO_DIFFERENCE, toolbox::particles::ParticleReassociationInstruction_SieveGlobally, toolbox::particles::internal::relativeReleaseOwnershipSpatialSortingTolerance(), toolbox::particles::sieveParticle(), validateEqualsWithParams1, and validateWithParams5.

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testSievePredicate()

void toolbox::particles::tests::MultiscaleTransitionsTest::testSievePredicate ( )

private

Test setup from the Swift test case:

      ...::touchVertexFirstTime(...)                       ok, let's sieve:
(debugX=[0.75,0.5],debugH=[0,0],x=[0.721487,0.624479],ParallelState=Local,searchRadius=0.0001,MoveState=Moved,CellHasUpdatedParticle=0,v=[-0.728231,1.39488],a=[-7.97473,-4.38055],energyKin=1.23859,energyPot=2.3109,energyTot=1.07232)
into ([0.685185,0.648148],[0.037037,0.037037],hanging=0000,select=1)

So it is clear that this sieve should go through. This info is fine, and the unit test simply confirms it. In the test case, this event/message did arise twice when I run the code with two trees. Which is, in principle, fine, given that the vertex of interest might be exactly at the domain boundary.

I would now expect one cell to say "hey, this particle is local here". As particles are associated to vertices, we might to get up to three "no, not here" messages if a vertex is local. These numbers refer to a 2d setup. However, I got

      touchVertexFirstTime(...) ok, let's sieve:
(debugX=[0.75,0.5],debugH=[0,0],x=[0.721487,0.624479],ParallelState=Virtual,searchRadius=0.0001,MoveState=Moved,CellHasUpdatedParticle=0,v=[-0.728231,1.39488],a=[-7.97473,-4.38055],energyKin=1.23859,energyPot=2.3109,energyTot=1.07232)
into ([0.685185,0.648148],[0.037037,0.037037],hanging=0000,select=1) on tree 0 enterCell(...)            cannot
confirm (yet) that particle is local on tree 0:
particle=(debugX=[0.75,0.5],debugH=[0,0],x=[0.721487,0.624479],ParallelState=Virtual,searchRadius=0.0001,MoveState=Moved,CellHasUpdatedParticle=0,v=[-0.728231,1.39488],a=[-7.97473,-4.38055],energyKin=1.23859,energyPot=2.3109,energyTot=1.07232),
cell=(x=[0.685185,0.648148],h=[0.037037,0.037037],has-been-refined=0,will-be-refined=0,is-local=1,one-vertex-hanging=0,one-vertex-destroyed/created=0,all-vertices-inside-domain=0,no-lb=1,rel-pos=[0,2],has-been-enclave=0,will-be-enclave=0)
      enterCell(...)            cannot confirm (yet) that particle is local on tree 0:
particle=(debugX=[0.75,0.5],debugH=[0,0],x=[0.721487,0.624479],ParallelState=Virtual,searchRadius=0.0001,MoveState=Moved,CellHasUpdatedParticle=0,v=[-0.728231,1.39488],a=[-7.97473,-4.38055],energyKin=1.23859,energyPot=2.3109,energyTot=1.07232),
cell=(x=[0.722222,0.648148],h=[0.037037,0.037037],has-been-refined=0,will-be-refined=0,is-local=1,one-vertex-hanging=0,one-vertex-destroyed/created=0,all-vertices-inside-domain=0,no-lb=1,rel-pos=[1,2],has-been-enclave=0,will-be-enclave=0)
      enterCell(...)            cannot confirm (yet) that particle is local on tree 0:
particle=(debugX=[0.75,0.5],debugH=[0,0],x=[0.721487,0.624479],ParallelState=Local,searchRadius=0.0001,MoveState=Moved,CellHasUpdatedParticle=0,v=[-0.728231,1.39488],a=[-7.97473,-4.38055],energyKin=1.23859,energyPot=2.3109,energyTot=1.07232),
cell=(x=[0.685185,0.611111],h=[0.037037,0.037037],has-been-refined=0,will-be-refined=0,is-local=1,one-vertex-hanging=0,one-vertex-destroyed/created=0,all-vertices-inside-domain=0,no-lb=1,rel-pos=[0,1],has-been-enclave=0,will-be-enclave=0)

Definition at line 18 of file MultiscaleTransitionsTest.cpp.

References tarch::la::abs(), toolbox::particles::sieveParticle(), and validateWithParams6.

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Field Documentation

_log

tarch::logging::Log toolbox::particles::tests::MultiscaleTransitionsTest::_log

staticprivate

Logging device.

Definition at line 21 of file MultiscaleTransitionsTest.h.

---

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

• src/toolbox/particles/tests/MultiscaleTransitionsTest.h
• src/toolbox/particles/tests/MultiscaleTransitionsTest.cpp