REMORA_InitAnalyticBathymetry_BoundaryLayer.H

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    // Must not be doubly periodic, and must have terrain
    AMREX_ALWAYS_ASSERT( !NSPeriodic || !EWPeriodic);
    AMREX_ALWAYS_ASSERT( !m_solverChoice.flat_bathymetry);
 
    mf_h.setVal(geomdata.ProbHi(2));
 
    [[maybe_unused]] const int Lm = geomdata.Domain().size()[0];
    [[maybe_unused]] const int Mm = geomdata.Domain().size()[1];
 
    for ( MFIter mfi(mf_h, TilingIfNotGPU()); mfi.isValid(); ++mfi )
    {
      Array4<Real> const& h  = (mf_h).array(mfi);
      Array4<const Real> const& xr  = remora.vec_xr[lev]->array(mfi);
      [[maybe_unused]] Array4<const Real> const& yr  = remora.vec_yr[lev]->array(mfi);
 
      Box bx = mfi.tilebox();
      Box gbx2 = bx;
      gbx2.grow(IntVect(NGROW,NGROW,0));
 
      Box gbx2D = gbx2;
      gbx2D.makeSlab(2,0);
 
      Gpu::streamSynchronize();
 
      ParallelFor(gbx2D, [=] AMREX_GPU_DEVICE (int i, int j, int )
      {
          Real val1 = (xr(i,j,0) + Real(500.0)) / Real(15000.0);
          h(i,j,0) = Real(14.0) + Real(25.0) * (one - std::exp(-PI * xr(i,j,0) * Real(1.0e-5))) - Real(8.0) * std::exp(-val1 * val1);
      });
 
    } // mfi