Moved standalone from src to samples
This commit is contained in:
jpekkila
482
samples/standalone/model/model_boundconds.cc
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482
samples/standalone/model/model_boundconds.cc
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@@ -0,0 +1,482 @@
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/*
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Copyright (C) 2014-2020, Johannes Pekkila, Miikka Vaisala.
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This file is part of Astaroth.
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Astaroth is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) amy later version.
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Astaroth is distributed in the hope that it will be useful,
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but WITHOUT Amy WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Astaroth. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file
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* \brief Brief info.
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*
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* Detailed info.
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*
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*/
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#include "model_boundconds.h"
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#include "errchk.h"
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void
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boundconds(const AcMeshInfo& mesh_info, ModelMesh* mesh)
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{
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#pragma omp parallel for
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for (int w = 0; w < NUM_VTXBUF_HANDLES; ++w) {
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const int3 start = (int3){0, 0, 0};
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const int3 end = (int3){mesh_info.int_params[AC_mx], mesh_info.int_params[AC_my],
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mesh_info.int_params[AC_mz]};
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const int nx = mesh_info.int_params[AC_nx];
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const int ny = mesh_info.int_params[AC_ny];
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const int nz = mesh_info.int_params[AC_nz];
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const int nx_min = mesh_info.int_params[AC_nx_min];
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const int ny_min = mesh_info.int_params[AC_ny_min];
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const int nz_min = mesh_info.int_params[AC_nz_min];
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// The old kxt was inclusive, but our mx_max is exclusive
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const int nx_max = mesh_info.int_params[AC_nx_max];
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const int ny_max = mesh_info.int_params[AC_ny_max];
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const int nz_max = mesh_info.int_params[AC_nz_max];
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for (int k_dst = start.z; k_dst < end.z; ++k_dst) {
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for (int j_dst = start.y; j_dst < end.y; ++j_dst) {
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for (int i_dst = start.x; i_dst < end.x; ++i_dst) {
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// If destination index is inside the computational domain, return since
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// the boundary conditions are only applied to the ghost zones
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if (i_dst >= nx_min && i_dst < nx_max && j_dst >= ny_min && j_dst < ny_max &&
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k_dst >= nz_min && k_dst < nz_max)
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continue;
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// Find the source index
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// Map to nx, ny, nz coordinates
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int i_src = i_dst - nx_min;
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int j_src = j_dst - ny_min;
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int k_src = k_dst - nz_min;
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// Translate (s.t. the index is always positive)
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i_src += nx;
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j_src += ny;
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k_src += nz;
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// Wrap
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i_src %= nx;
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j_src %= ny;
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k_src %= nz;
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// Map to mx, my, mz coordinates
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i_src += nx_min;
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j_src += ny_min;
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k_src += nz_min;
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const size_t src_idx = acVertexBufferIdx(i_src, j_src, k_src, mesh_info);
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const size_t dst_idx = acVertexBufferIdx(i_dst, j_dst, k_dst, mesh_info);
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ERRCHK(src_idx < acVertexBufferSize(mesh_info));
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ERRCHK(dst_idx < acVertexBufferSize(mesh_info));
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mesh->vertex_buffer[w][dst_idx] = mesh->vertex_buffer[w][src_idx];
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}
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}
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}
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}
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}
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#if 0
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void
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boundconds(const AcMeshInfo& mesh_info, ModelMesh* mesh)
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{
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const int mx = mesh_info.int_params[AC_mx];
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const int my = mesh_info.int_params[AC_my];
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const int mz = mesh_info.int_params[AC_mz];
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// Volatile here suppresses the warning about strict-overflow (i.e. compiler
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// wanted to optimize these loops by assuming that kxb etc never overflow)
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// However we do not need the performance improvement (~1-3%) and it's
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// not either good to
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// a) get useless warnings originating from here
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// b) disable the warnings completely
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volatile const int kxb = mesh_info.int_params[AC_nx_min];
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volatile const int kyb = mesh_info.int_params[AC_ny_min];
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volatile const int kzb = mesh_info.int_params[AC_nz_min];
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// The old kxt was inclusive, but our mx_max is exclusive
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volatile const int kxt = mesh_info.int_params[AC_nx_max] - 1;
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volatile const int kyt = mesh_info.int_params[AC_ny_max] - 1;
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volatile const int kzt = mesh_info.int_params[AC_nz_max] - 1;
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const int bound[3] = {0, 0, 0};
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// Periodic boundary conditions
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if (bound[0] == 0) {
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for (int k = kzb; k <= kzt; k++) {
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for (int j = kyb; j <= kyt; j++) {
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for (int i = kxb; i <= kxb + 2; i++) {
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const int inds = i + j * mx + k * mx * my;
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const int indr = (kxt + i - 2) + j * mx + k * mx * my;
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for (int w = 0; w < NUM_VTXBUF_HANDLES; ++w)
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mesh->vertex_buffer[w]
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[indr] = mesh->vertex_buffer[w]
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[inds];
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}
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for (int i = kxt - 2; i <= kxt; i++) {
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const int inds = i + j * mx + k * mx * my;
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const int indr = (i - kxt + 2) + j * mx + k * mx * my;
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for (int w = 0; w < NUM_VTXBUF_HANDLES; ++w)
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mesh->vertex_buffer[w]
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[indr] = mesh->vertex_buffer[w]
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[inds];
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}
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}
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}
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}
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if (bound[1] == 0) {
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for (int k = kzb; k <= kzt; k++) {
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for (int i = kxb; i <= kxt; i++) {
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for (int j = kyb; j <= kyb + 2; j++) {
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const int inds = i + j * mx + k * mx * my;
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const int indr = i + (kyt + j - 2) * mx + k * mx * my;
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for (int w = 0; w < NUM_VTXBUF_HANDLES; ++w)
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mesh->vertex_buffer[w]
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[indr] = mesh->vertex_buffer[w]
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[inds];
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}
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for (int j = kyt - 2; j <= kyt; j++) {
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const int inds = i + j * mx + k * mx * my;
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const int indr = i + (j - kyt + 2) * mx + k * mx * my;
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for (int w = 0; w < NUM_VTXBUF_HANDLES; ++w)
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mesh->vertex_buffer[w]
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[indr] = mesh->vertex_buffer[w]
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[inds];
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}
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}
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}
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}
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if (bound[2] == 0) {
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for (int i = kxb; i <= kxt; i++) {
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for (int j = kyb; j <= kyt; j++) {
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for (int k = kzb; k <= kzb + 2; k++) {
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const int inds = i + j * mx + k * mx * my;
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const int indr = i + j * mx + (kzt + k - 2) * mx * my;
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for (int w = 0; w < NUM_VTXBUF_HANDLES; ++w)
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mesh->vertex_buffer[w]
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[indr] = mesh->vertex_buffer[w]
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[inds];
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}
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for (int k = kzt - 2; k <= kzt; k++) {
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const int inds = i + j * mx + k * mx * my;
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const int indr = i + j * mx + (k - kzt + 2) * mx * my;
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for (int w = 0; w < NUM_VTXBUF_HANDLES; ++w)
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mesh->vertex_buffer[w]
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[indr] = mesh->vertex_buffer[w]
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[inds];
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}
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}
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}
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}
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// Copy the corners in the fully periodic case
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if (bound[0] == 0 && bound[1] == 0 && bound[2] == 0) {
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// Source corner: x=0, y=0, z=0
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for (int i = kxb; i <= kxb + 2; i++) {
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for (int j = kyb; j <= kyb + 2; j++) {
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for (int k = kzb; k <= kzb + 2; k++) {
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const int inds = i + j * mx + k * mx * my;
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const int indr = (i + mx - STENCIL_ORDER) + (j + my - STENCIL_ORDER) * mx +
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(k + mz - STENCIL_ORDER) * mx * my;
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for (int w = 0; w < NUM_VTXBUF_HANDLES; ++w)
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mesh->vertex_buffer[w]
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[indr] = mesh->vertex_buffer[w]
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[inds];
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}
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}
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}
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// Source corner: x=1, y=0, z=0
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for (int i = kxt - 2; i <= kxt; i++) {
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for (int j = kyb; j <= kyb + 2; j++) {
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for (int k = kzb; k <= kzb + 2; k++) {
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const int inds = i + j * mx + k * mx * my;
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const int indr = (i - mx + STENCIL_ORDER) + (j + my - STENCIL_ORDER) * mx +
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(k + mz - STENCIL_ORDER) * mx * my;
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for (int w = 0; w < NUM_VTXBUF_HANDLES; ++w)
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mesh->vertex_buffer[w]
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[indr] = mesh->vertex_buffer[w]
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[inds];
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}
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}
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}
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// Source corner: x=0, y=1, z=0
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for (int i = kxb; i <= kxb + 2; i++) {
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for (int j = kyt - 2; j <= kyt; j++) {
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for (int k = kzb; k <= kzb + 2; k++) {
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const int inds = i + j * mx + k * mx * my;
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const int indr = (i + mx - STENCIL_ORDER) + (j - my + STENCIL_ORDER) * mx +
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(k + mz - STENCIL_ORDER) * mx * my;
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for (int w = 0; w < NUM_VTXBUF_HANDLES; ++w)
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mesh->vertex_buffer[w]
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[indr] = mesh->vertex_buffer[w]
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[inds];
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}
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}
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}
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// Source corner: x=0, y=0, z=1
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for (int i = kxb; i <= kxb + 2; i++) {
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for (int j = kyb; j <= kyb + 2; j++) {
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for (int k = kzt - 2; k <= kzt; k++) {
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const int inds = i + j * mx + k * mx * my;
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const int indr = (i + mx - STENCIL_ORDER) + (j + my - STENCIL_ORDER) * mx +
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(k - mz + STENCIL_ORDER) * mx * my;
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for (int w = 0; w < NUM_VTXBUF_HANDLES; ++w)
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mesh->vertex_buffer[w]
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[indr] = mesh->vertex_buffer[w]
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[inds];
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}
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}
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}
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// Source corner: x=1, y=1, z=0
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for (int i = kxt - 2; i <= kxt; i++) {
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for (int j = kyt - 2; j <= kyt; j++) {
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for (int k = kzb; k <= kzb + 2; k++) {
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const int inds = i + j * mx + k * mx * my;
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const int indr = (i - mx + STENCIL_ORDER) + (j - my + STENCIL_ORDER) * mx +
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(k + mz - STENCIL_ORDER) * mx * my;
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for (int w = 0; w < NUM_VTXBUF_HANDLES; ++w)
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mesh->vertex_buffer[w]
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[indr] = mesh->vertex_buffer[w]
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[inds];
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}
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}
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}
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// Source corner: x=1, y=0, z=1
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for (int i = kxt - 2; i <= kxt; i++) {
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for (int j = kyb; j <= kyb + 2; j++) {
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for (int k = kzt - 2; k <= kzt; k++) {
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const int inds = i + j * mx + k * mx * my;
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const int indr = (i - mx + STENCIL_ORDER) + (j + my - STENCIL_ORDER) * mx +
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(k - mz + STENCIL_ORDER) * mx * my;
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for (int w = 0; w < NUM_VTXBUF_HANDLES; ++w)
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mesh->vertex_buffer[w]
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||||
[indr] = mesh->vertex_buffer[w]
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[inds];
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}
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}
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}
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// Source corner: x=0, y=1, z=1
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for (int i = kxb; i <= kxb + 2; i++) {
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for (int j = kyt - 2; j <= kyt; j++) {
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for (int k = kzt - 2; k <= kzt; k++) {
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const int inds = i + j * mx + k * mx * my;
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const int indr = (i + mx - STENCIL_ORDER) + (j - my + STENCIL_ORDER) * mx +
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(k - mz + STENCIL_ORDER) * mx * my;
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for (int w = 0; w < NUM_VTXBUF_HANDLES; ++w)
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mesh->vertex_buffer[w]
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[indr] = mesh->vertex_buffer[w]
|
||||
[inds];
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||||
}
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||||
}
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||||
}
|
||||
// Source corner: x=1, y=1, z=1
|
||||
for (int i = kxt - 2; i <= kxt; i++) {
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for (int j = kyt - 2; j <= kyt; j++) {
|
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for (int k = kzt - 2; k <= kzt; k++) {
|
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const int inds = i + j * mx + k * mx * my;
|
||||
const int indr = (i - mx + STENCIL_ORDER) + (j - my + STENCIL_ORDER) * mx +
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(k - mz + STENCIL_ORDER) * mx * my;
|
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for (int w = 0; w < NUM_VTXBUF_HANDLES; ++w)
|
||||
mesh->vertex_buffer[w]
|
||||
[indr] = mesh->vertex_buffer[w]
|
||||
[inds];
|
||||
}
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||||
}
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||||
}
|
||||
}
|
||||
else {
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||||
ERROR("ONLY FULLY PERIODIC WORKS WITH CORNERS SO FAR! \n");
|
||||
}
|
||||
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||||
// Copy the edges in the fully periodic case
|
||||
if (bound[0] == 0 && bound[1] == 0 && bound[2] == 0) {
|
||||
// Source edge: x = 0, y = 0
|
||||
for (int i = kxb; i <= kxb + 2; i++) {
|
||||
for (int j = kyb; j <= kyb + 2; j++) {
|
||||
for (int k = kzb; k <= kzt; k++) {
|
||||
const int inds = i + j * mx + k * mx * my;
|
||||
const int indr = (i + mx - STENCIL_ORDER) + (j + my - STENCIL_ORDER) * mx +
|
||||
k * mx * my;
|
||||
for (int w = 0; w < NUM_VTXBUF_HANDLES; ++w)
|
||||
mesh->vertex_buffer[w]
|
||||
[indr] = mesh->vertex_buffer[w]
|
||||
[inds];
|
||||
}
|
||||
}
|
||||
}
|
||||
// Source edge: x = 1, y = 0
|
||||
for (int i = kxt - 2; i <= kxt; i++) {
|
||||
for (int j = kyb; j <= kyb + 2; j++) {
|
||||
for (int k = kzb; k <= kzt; k++) {
|
||||
const int inds = i + j * mx + k * mx * my;
|
||||
const int indr = (i - mx + STENCIL_ORDER) + (j + my - STENCIL_ORDER) * mx +
|
||||
k * mx * my;
|
||||
for (int w = 0; w < NUM_VTXBUF_HANDLES; ++w)
|
||||
mesh->vertex_buffer[w]
|
||||
[indr] = mesh->vertex_buffer[w]
|
||||
[inds];
|
||||
}
|
||||
}
|
||||
}
|
||||
// Source edge: x = 0, y = 1
|
||||
for (int i = kxb; i <= kxb + 2; i++) {
|
||||
for (int j = kyt - 2; j <= kyt; j++) {
|
||||
for (int k = kzb; k <= kzt; k++) {
|
||||
const int inds = i + j * mx + k * mx * my;
|
||||
const int indr = (i + mx - STENCIL_ORDER) + (j - my + STENCIL_ORDER) * mx +
|
||||
k * mx * my;
|
||||
for (int w = 0; w < NUM_VTXBUF_HANDLES; ++w)
|
||||
mesh->vertex_buffer[w]
|
||||
[indr] = mesh->vertex_buffer[w]
|
||||
[inds];
|
||||
}
|
||||
}
|
||||
}
|
||||
// Source edge: x = 1, y = 1
|
||||
for (int i = kxt - 2; i <= kxt; i++) {
|
||||
for (int j = kyt - 2; j <= kyt; j++) {
|
||||
for (int k = kzb; k <= kzt; k++) {
|
||||
const int inds = i + j * mx + k * mx * my;
|
||||
const int indr = (i - mx + STENCIL_ORDER) + (j - my + STENCIL_ORDER) * mx +
|
||||
k * mx * my;
|
||||
for (int w = 0; w < NUM_VTXBUF_HANDLES; ++w)
|
||||
mesh->vertex_buffer[w]
|
||||
[indr] = mesh->vertex_buffer[w]
|
||||
[inds];
|
||||
}
|
||||
}
|
||||
}
|
||||
// Source edge: x = 0, z = 0
|
||||
for (int i = kxb; i <= kxb + 2; i++) {
|
||||
for (int j = kyb; j <= kyt; j++) {
|
||||
for (int k = kzb; k <= kzb + 2; k++) {
|
||||
const int inds = i + j * mx + k * mx * my;
|
||||
const int indr = (i + mx - STENCIL_ORDER) + j * mx +
|
||||
(k + mz - STENCIL_ORDER) * mx * my;
|
||||
for (int w = 0; w < NUM_VTXBUF_HANDLES; ++w)
|
||||
mesh->vertex_buffer[w]
|
||||
[indr] = mesh->vertex_buffer[w]
|
||||
[inds];
|
||||
}
|
||||
}
|
||||
}
|
||||
// Source edge: x = 1, z = 0
|
||||
for (int i = kxt - 2; i <= kxt; i++) {
|
||||
for (int j = kyb; j <= kyt; j++) {
|
||||
for (int k = kzb; k <= kzb + 2; k++) {
|
||||
const int inds = i + j * mx + k * mx * my;
|
||||
const int indr = (i - mx + STENCIL_ORDER) + j * mx +
|
||||
(k + mz - STENCIL_ORDER) * mx * my;
|
||||
for (int w = 0; w < NUM_VTXBUF_HANDLES; ++w)
|
||||
mesh->vertex_buffer[w]
|
||||
[indr] = mesh->vertex_buffer[w]
|
||||
[inds];
|
||||
}
|
||||
}
|
||||
}
|
||||
// Source edge: x = 0, z = 1
|
||||
for (int i = kxb; i <= kxb + 2; i++) {
|
||||
for (int j = kyb; j <= kyt; j++) {
|
||||
for (int k = kzt - 2; k <= kzt; k++) {
|
||||
const int inds = i + j * mx + k * mx * my;
|
||||
const int indr = (i + mx - STENCIL_ORDER) + j * mx +
|
||||
(k - mz + STENCIL_ORDER) * mx * my;
|
||||
for (int w = 0; w < NUM_VTXBUF_HANDLES; ++w)
|
||||
mesh->vertex_buffer[w]
|
||||
[indr] = mesh->vertex_buffer[w]
|
||||
[inds];
|
||||
}
|
||||
}
|
||||
}
|
||||
// Source edge: x = 1, z = 1
|
||||
for (int i = kxt - 2; i <= kxt; i++) {
|
||||
for (int j = kyb; j <= kyt; j++) {
|
||||
for (int k = kzt - 2; k <= kzt; k++) {
|
||||
const int inds = i + j * mx + k * mx * my;
|
||||
const int indr = (i - mx + STENCIL_ORDER) + j * mx +
|
||||
(k - mz + STENCIL_ORDER) * mx * my;
|
||||
for (int w = 0; w < NUM_VTXBUF_HANDLES; ++w)
|
||||
mesh->vertex_buffer[w]
|
||||
[indr] = mesh->vertex_buffer[w]
|
||||
[inds];
|
||||
}
|
||||
}
|
||||
}
|
||||
// Source edge: y = 0, z = 0
|
||||
for (int i = kxb; i <= kxt; i++) {
|
||||
for (int j = kyb; j <= kyb + 2; j++) {
|
||||
for (int k = kzb; k <= kzb + 2; k++) {
|
||||
const int inds = i + j * mx + k * mx * my;
|
||||
const int indr = i + (j + my - STENCIL_ORDER) * mx +
|
||||
(k + mz - STENCIL_ORDER) * mx * my;
|
||||
for (int w = 0; w < NUM_VTXBUF_HANDLES; ++w)
|
||||
mesh->vertex_buffer[w]
|
||||
[indr] = mesh->vertex_buffer[w]
|
||||
[inds];
|
||||
}
|
||||
}
|
||||
}
|
||||
// Source edge: y = 1, z = 0
|
||||
for (int i = kxb; i <= kxt; i++) {
|
||||
for (int j = kyt - 2; j <= kyt; j++) {
|
||||
for (int k = kzb; k <= kzb + 2; k++) {
|
||||
const int inds = i + j * mx + k * mx * my;
|
||||
const int indr = i + (j - my + STENCIL_ORDER) * mx +
|
||||
(k + mz - STENCIL_ORDER) * mx * my;
|
||||
for (int w = 0; w < NUM_VTXBUF_HANDLES; ++w)
|
||||
mesh->vertex_buffer[w]
|
||||
[indr] = mesh->vertex_buffer[w]
|
||||
[inds];
|
||||
}
|
||||
}
|
||||
}
|
||||
// Source edge: y = 0, z = 1
|
||||
for (int i = kxb; i <= kxt; i++) {
|
||||
for (int j = kyb; j <= kyb + 2; j++) {
|
||||
for (int k = kzt - 2; k <= kzt; k++) {
|
||||
const int inds = i + j * mx + k * mx * my;
|
||||
const int indr = i + (j + my - STENCIL_ORDER) * mx +
|
||||
(k - mz + STENCIL_ORDER) * mx * my;
|
||||
for (int w = 0; w < NUM_VTXBUF_HANDLES; ++w)
|
||||
mesh->vertex_buffer[w]
|
||||
[indr] = mesh->vertex_buffer[w]
|
||||
[inds];
|
||||
}
|
||||
}
|
||||
}
|
||||
// Source edge: y = 1, z = 1
|
||||
for (int i = kxb; i <= kxt; i++) {
|
||||
for (int j = kyt - 2; j <= kyt; j++) {
|
||||
for (int k = kzt - 2; k <= kzt; k++) {
|
||||
const int inds = i + j * mx + k * mx * my;
|
||||
const int indr = i + (j - my + STENCIL_ORDER) * mx +
|
||||
(k - mz + STENCIL_ORDER) * mx * my;
|
||||
for (int w = 0; w < NUM_VTXBUF_HANDLES; ++w)
|
||||
mesh->vertex_buffer[w]
|
||||
[indr] = mesh->vertex_buffer[w]
|
||||
[inds];
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
else {
|
||||
ERROR("ONLY FULLY PERIODIC WORKS WITH EDGES SO FAR! \n");
|
||||
}
|
||||
}
|
||||
#endif
|
||||
Reference in New Issue
Block a user