Exemplo n.º 1
0
// ----------------------------------------------------------
void
CoarseAverageEdge::averageGridData(FluxBox& a_coarsenedFine,
                                   const FluxBox& a_fine) const
{
  for (int dir=0; dir<SpaceDim; dir++)
    {
      FArrayBox& coarseFab = a_coarsenedFine[dir];
      const FArrayBox& fineFab = a_fine[dir];

      const Box& coarseBox = coarseFab.box();

      // set up refinement box
      int boxHi = m_nRef-1;
      IntVect hiVect(D_DECL(boxHi,boxHi,boxHi));
      // don't want to index at all in dir direction --
      // instead, want to just march along edge.
      hiVect.setVal(dir,0);
      IntVect loVect(D_DECL(0,0,0));
      Box refBox(loVect, hiVect);

      FORT_AVERAGEEDGE( CHF_FRA(coarseFab),
                        CHF_CONST_FRA(fineFab),
                        CHF_BOX(coarseBox),
                        CHF_CONST_INT(dir),
                        CHF_CONST_INT(m_nRef),
                        CHF_BOX(refBox));
    }
}
Exemplo n.º 2
0
void
EBMGAverage::averageFAB(EBCellFAB&       a_coar,
                        const Box&       a_boxCoar,
                        const EBCellFAB& a_refCoar,
                        const DataIndex& a_datInd,
                        const Interval&  a_variables) const
{
  CH_TIMERS("EBMGAverage::average");
  CH_TIMER("regular_average", t1);
  CH_TIMER("irregular_average", t2);
  CH_assert(isDefined());

  const Box& coarBox = a_boxCoar;

  //do all cells as if they were regular
  Box refBox(IntVect::Zero, IntVect::Zero);
  refBox.refine(m_refRat);
  int numFinePerCoar = refBox.numPts();

  BaseFab<Real>& coarRegFAB =             a_coar.getSingleValuedFAB();
  const BaseFab<Real>& refCoarRegFAB = a_refCoar.getSingleValuedFAB();

  //set to zero because the fortran is a bit simpleminded
  //and does stuff additively
  a_coar.setVal(0.);
  CH_START(t1);
  for (int comp = a_variables.begin();  comp <= a_variables.end(); comp++)
    {
      FORT_REGAVERAGE(CHF_FRA1(coarRegFAB,comp),
                      CHF_CONST_FRA1(refCoarRegFAB,comp),
                      CHF_BOX(coarBox),
                      CHF_BOX(refBox),
                      CHF_CONST_INT(numFinePerCoar),
                      CHF_CONST_INT(m_refRat));
    }
  CH_STOP(t1);

  //this is really volume-weighted averaging even though it does
  //not look that way.

  //so (in the traditional sense) we want to preserve
  //rhoc * volc = sum(rhof * volf)
  //this translates to
  //volfrac_C * rhoC = (1/numFinePerCoar)(sum(volFrac_F * rhoF))
  //but the data input to this routine is all kappa weigthed so
  //the volumefractions have already been multiplied
  //which means
  // rhoC = (1/numFinePerCoar)(sum(rhoF))
  //which is what this does

  CH_START(t2);
  for (int comp = a_variables.begin();  comp <= a_variables.end(); comp++)
    {
      m_averageEBStencil[a_datInd]->apply(a_coar, a_refCoar, false, comp);
    }
  CH_STOP(t2);

}
Exemplo n.º 3
0
void
EBMGInterp::pwcInterpFAB(EBCellFAB&       a_refCoar,
                         const Box&       a_coarBox,
                         const EBCellFAB& a_coar,
                         const DataIndex& a_datInd,
                         const Interval&  a_variables) const
{
  CH_TIMERS("EBMGInterp::interp");
  CH_TIMER("regular_interp", t1);
  CH_TIMER("irregular_interp", t2);
  CH_assert(isDefined());

  const Box& coarBox = a_coarBox;

  for (int ivar = a_variables.begin();  ivar <= a_variables.end(); ivar++)
    {
      m_interpEBStencil[a_datInd]->cache(a_refCoar, ivar);

      //do all cells as if they were regular
      Box refBox(IntVect::Zero, IntVect::Zero);
      refBox.refine(m_refRat);

      const BaseFab<Real>& coarRegFAB =    a_coar.getSingleValuedFAB();
      BaseFab<Real>& refCoarRegFAB    = a_refCoar.getSingleValuedFAB();

      CH_START(t1);

      FORT_REGPROLONG(CHF_FRA1(refCoarRegFAB,ivar),
                      CHF_CONST_FRA1(coarRegFAB,ivar),
                      CHF_BOX(coarBox),
                      CHF_BOX(refBox),
                      CHF_CONST_INT(m_refRat));

      CH_STOP(t1);

      m_interpEBStencil[a_datInd]->uncache(a_refCoar, ivar);

      CH_START(t2);
      m_interpEBStencil[a_datInd]->apply(a_refCoar, a_coar, true, ivar);
      CH_STOP(t2);
    }
}
static void
IncrementScaleRestyleCountIfNeeded(nsIFrame* aFrame, LayerActivity* aActivity)
{
  const nsStyleDisplay* display = aFrame->StyleDisplay();
  if (!display->mSpecifiedTransform) {
    // The transform was removed.
    aActivity->mPreviousTransformScale = Nothing();
    IncrementMutationCount(&aActivity->mScaleRestyleCount);
    return;
  }

  // Compute the new scale due to the CSS transform property.
  nsPresContext* presContext = aFrame->PresContext();
  RuleNodeCacheConditions dummy;
  nsStyleTransformMatrix::TransformReferenceBox refBox(aFrame);
  Matrix4x4 transform =
    nsStyleTransformMatrix::ReadTransforms(display->mSpecifiedTransform->mHead,
                                           aFrame->StyleContext(),
                                           presContext,
                                           dummy, refBox,
                                           presContext->AppUnitsPerCSSPixel());
  Matrix transform2D;
  if (!transform.Is2D(&transform2D)) {
    // We don't attempt to handle 3D transforms; just assume the scale changed.
    aActivity->mPreviousTransformScale = Nothing();
    IncrementMutationCount(&aActivity->mScaleRestyleCount);
    return;
  }

  gfxSize scale = ThebesMatrix(transform2D).ScaleFactors(true);
  if (aActivity->mPreviousTransformScale == Some(scale)) {
    return;  // Nothing changed.
  }

  aActivity->mPreviousTransformScale = Some(scale);
  IncrementMutationCount(&aActivity->mScaleRestyleCount);
}
Exemplo n.º 5
0
void
EBMGInterp::pwlInterpFAB(EBCellFAB&       a_refCoar,
                         const Box&       a_coarBox,
                         const EBCellFAB& a_coar,
                         const DataIndex& a_datInd,
                         const Interval&  a_variables) const
{
  CH_TIMERS("EBMGInterp::pwlinterpfab");
  CH_TIMER("regular_interp", t1);
  CH_TIMER("irregular_interp", t2);
  CH_assert(isDefined());


  //first interpolate piecewise constant.
  pwcInterpFAB(a_refCoar,
               a_coarBox,
               a_coar,
               a_datInd,
               a_variables);

  //then add in slope*distance.
  const Box& coarBox = a_coarBox;

  for (int ivar = a_variables.begin();  ivar <= a_variables.end(); ivar++)
    {
      //save stuff at irreg cells because fortran result will be garbage
      //and this is an incremental process
      m_linearEBStencil[a_datInd]->cache(a_refCoar, ivar);

      //do all cells as if they were regular
      Box refBox(IntVect::Zero, IntVect::Zero);
      refBox.refine(m_refRat);

      const BaseFab<Real>& coarRegFAB =    a_coar.getSingleValuedFAB();
      BaseFab<Real>& refCoarRegFAB    = a_refCoar.getSingleValuedFAB();

      CH_START(t1);

      Real dxf = 1.0/m_coarDomain.size(0);
      Real dxc = 2.0*dxf;

      //do every cell as regular
      for (int idir = 0; idir < SpaceDim; idir++)
        {
          FORT_PROLONGADDSLOPE(CHF_FRA1(refCoarRegFAB,ivar),
                               CHF_CONST_FRA1(coarRegFAB,ivar),
                               CHF_BOX(coarBox),
                               CHF_BOX(refBox),
                               CHF_INT(idir),
                               CHF_REAL(dxf),
                               CHF_REAL(dxc),
                               CHF_CONST_INT(m_refRat));
        }
      CH_STOP(t1);

      //replace garbage fortran put in with original values (at irregular cells)
      m_linearEBStencil[a_datInd]->uncache(a_refCoar, ivar);

      CH_START(t2);
      //do what fortran should have done at irregular cells.
      m_linearEBStencil[a_datInd]->apply(a_refCoar, a_coar, true, ivar);
      CH_STOP(t2);
    }
}
Exemplo n.º 6
0
void
EBMGAverage::
defineStencils()
{
  CH_TIME("EBMGInterp::defineStencils");

  DisjointBoxLayout gridsStenCoar;
  EBISLayout        ebislStenCoar;
  DisjointBoxLayout gridsStenFine;
  EBISLayout        ebislStenFine;
  if (m_layoutChanged)
    {
      if (m_coarsenable)
        {
          gridsStenCoar = m_buffGrids;
          ebislStenCoar = m_buffEBISL;
          gridsStenFine = m_fineGrids;
          ebislStenFine = m_fineEBISL;
        }
      else
        {
          gridsStenCoar = m_coarGrids;
          ebislStenCoar = m_coarEBISL;
          gridsStenFine = m_buffGrids;
          ebislStenFine = m_buffEBISL;
        }

    }
  else
    {
      gridsStenCoar = m_coarGrids;
      ebislStenCoar = m_coarEBISL;
      gridsStenFine = m_fineGrids;
      ebislStenFine = m_fineEBISL;
    }

  {
    CH_TIME("graph walking");

    LayoutData<Vector<VoFStencil> > averageStencil;
    LayoutData<VoFIterator > vofItIrregCoar;
    LayoutData<VoFIterator > vofItIrregFine;
    m_averageEBStencil.define(gridsStenCoar);
    averageStencil.define(    gridsStenCoar);
    vofItIrregFine.define(    gridsStenCoar); //not wrong.  trust me.
    vofItIrregCoar.define(    gridsStenCoar);

    for (DataIterator dit = gridsStenCoar.dataIterator(); dit.ok(); ++dit)
      {
        Box refBox(IntVect::Zero, IntVect::Zero);
        refBox.refine(m_refRat);
        int numFinePerCoar = refBox.numPts();

        const     Box&     boxFine = gridsStenFine[dit()];
        const EBISBox& ebisBoxFine = ebislStenFine[dit()];
        const EBGraph& ebGraphFine = ebisBoxFine.getEBGraph();

        const         Box& boxCoar = gridsStenCoar[dit()];
        const EBISBox& ebisBoxCoar = ebislStenCoar[dit()];
        const EBGraph& ebGraphCoar = ebisBoxCoar.getEBGraph();

        IntVectSet notRegularCoar = ebisBoxCoar.getIrregIVS(boxCoar);
        vofItIrregCoar[dit()].define(notRegularCoar, ebGraphCoar);

        IntVectSet ivsFine = refine(notRegularCoar, m_refRat);
        vofItIrregFine[dit()].define(ivsFine, ebGraphFine);

        const Vector<VolIndex>& allCoarVofs = vofItIrregCoar[dit()].getVector();

        Vector<VoFStencil>& averageStencils = averageStencil[dit()];

        averageStencils.resize(allCoarVofs.size());

        for (int icoar = 0; icoar < allCoarVofs.size(); icoar++)
          {
            Vector<VolIndex> fineVofs;
            if (m_refRat > 2)
              {
                fineVofs = ebislStenCoar.refine(allCoarVofs[icoar], m_refRat, dit());
              }
            else
              {
                fineVofs = ebislStenCoar[dit()].refine(allCoarVofs[icoar]);
              }

            VoFStencil& averageStencil = averageStencils[icoar];

            for (int ifine = 0; ifine < fineVofs.size(); ifine++)
              {
                averageStencil.add(fineVofs[ifine], 1./numFinePerCoar);
              }
          }

        m_averageEBStencil[dit()] = RefCountedPtr<EBStencil>(new EBStencil(allCoarVofs, averageStencil[dit()], boxCoar,  boxFine, ebisBoxCoar,  ebisBoxFine,  m_ghost, m_ghost));
      }
  }
}