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C++ MultiFab::setBndry方法代码示例

本文整理汇总了C++中MultiFab::setBndry方法的典型用法代码示例。如果您正苦于以下问题:C++ MultiFab::setBndry方法的具体用法?C++ MultiFab::setBndry怎么用?C++ MultiFab::setBndry使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在MultiFab的用法示例。


在下文中一共展示了MultiFab::setBndry方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: cdr

void
MCLinOp::applyBC (MultiFab& inout,
		  int       level,
		  MCBC_Mode bc_mode)
{
    //
    // The inout MultiFab must have at least MCLinOp_grow ghost cells
    // for applyBC()
    //
    BL_ASSERT(inout.nGrow() >= MCLinOp_grow);
    //
    // The inout MultiFab must have at least Periodic_BC_grow cells for the
    // algorithms taking care of periodic boundary conditions.
    //
    BL_ASSERT(inout.nGrow() >= MCLinOp_grow);
    //
    // No coarsened boundary values, cannot apply inhomog at lev>0.
    //
    BL_ASSERT(!(level>0 && bc_mode == MCInhomogeneous_BC));
    
    int flagden = 1;	// fill in the bndry data and undrrelxr
    int flagbc  = 1;	// with values
    if (bc_mode == MCHomogeneous_BC)
        flagbc = 0; // nodata if homog
    int nc = inout.nComp();
    BL_ASSERT(nc == numcomp );

    inout.setBndry(-1.e30);
    inout.FillBoundary();
    prepareForLevel(level);

    geomarray[level].FillPeriodicBoundary(inout,0,nc);
    //
    // Fill boundary cells.
    //
#ifdef _OPENMP
#pragma omp parallel
#endif
    for (MFIter mfi(inout); mfi.isValid(); ++mfi)
    {
        const int gn = mfi.index();

        BL_ASSERT(gbox[level][gn] == inout.box(gn));

        const BndryData::RealTuple&      bdl = bgb.bndryLocs(gn);
        const Array< Array<BoundCond> >& bdc = bgb.bndryConds(gn);
        const MaskTuple&                 msk = maskvals[level][gn];

        for (OrientationIter oitr; oitr; ++oitr)
        {
            const Orientation face = oitr();
            FabSet& f  = (*undrrelxr[level])[face];
            FabSet& td = (*tangderiv[level])[face];
            int cdr(face);
            const FabSet& fs = bgb.bndryValues(face);
	    Real bcl = bdl[face];
            const Array<BoundCond>& bc = bdc[face];
	    const int *bct = (const int*) bc.dataPtr();
	    const FArrayBox& fsfab = fs[gn];
	    const Real* bcvalptr = fsfab.dataPtr();
            //
	    // Way external derivs stored.
            //
	    const Real* exttdptr = fsfab.dataPtr(numcomp); 
	    const int* fslo      = fsfab.loVect();
	    const int* fshi      = fsfab.hiVect();
	    FArrayBox& inoutfab  = inout[gn];
	    FArrayBox& denfab    = f[gn];
	    FArrayBox& tdfab     = td[gn];
#if BL_SPACEDIM==2
            int cdir = face.coordDir(), perpdir = -1;
	    if (cdir == 0)
                perpdir = 1;
	    else if (cdir == 1)
                perpdir = 0;
	    else
                BoxLib::Abort("MCLinOp::applyBC(): bad logic");

	    const Mask& m    = *msk[face];
	    const Mask& mphi = *msk[Orientation(perpdir,Orientation::high)];
	    const Mask& mplo = *msk[Orientation(perpdir,Orientation::low)];
	    FORT_APPLYBC(
		&flagden, &flagbc, &maxorder,
		inoutfab.dataPtr(), 
                ARLIM(inoutfab.loVect()), ARLIM(inoutfab.hiVect()),
		&cdr, bct, &bcl,
		bcvalptr, ARLIM(fslo), ARLIM(fshi),
		m.dataPtr(),    ARLIM(m.loVect()),    ARLIM(m.hiVect()),
		mphi.dataPtr(), ARLIM(mphi.loVect()), ARLIM(mphi.hiVect()),
		mplo.dataPtr(), ARLIM(mplo.loVect()), ARLIM(mplo.hiVect()),
		denfab.dataPtr(), 
		ARLIM(denfab.loVect()), ARLIM(denfab.hiVect()),
		exttdptr, ARLIM(fslo), ARLIM(fshi),
		tdfab.dataPtr(),ARLIM(tdfab.loVect()),ARLIM(tdfab.hiVect()),
		inout.box(gn).loVect(), inout.box(gn).hiVect(),
		&nc, h[level]);
#elif BL_SPACEDIM==3
	    const Mask& mn = *msk[Orientation(1,Orientation::high)];
	    const Mask& me = *msk[Orientation(0,Orientation::high)];
	    const Mask& mw = *msk[Orientation(0,Orientation::low)];
//.........这里部分代码省略.........
开发者ID:dwillcox,项目名称:BoxLib,代码行数:101,代码来源:MCLinOp.cpp


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