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test_grid_synchronizer_check_neighbors.cc
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Mon, May 27, 23:47

test_grid_synchronizer_check_neighbors.cc
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/**
* @file test_grid_synchronizer_check_neighbors.cc
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Mon Mar 11 2013
* @date last modification: Tue Feb 20 2018
*
* @brief Test the generation of neighbors list based on a akaentu::Grid
*
* @section LICENSE
*
* Copyright (©) 2014-2018 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <fstream>
#include <iostream>
#include <string>
#include "aka_common.hh"
#include "communicator.hh"
using namespace akantu;
const UInt spatial_dimension = 3;
#include "test_grid_tools.hh"
void readNeighbors(
std::ifstream & nin,
neighbors_map_t<spatial_dimension>::type & neighbors_map_read) {
std::string line;
while (std::getline(nin, line)) {
std::getline(nin, line);
std::istringstream iss(line);
UInt nb_neig;
iss >> nb_neig;
std::getline(nin, line);
Point<spatial_dimension> pt;
pt.read(line);
std::getline(nin, line);
for (UInt i = 0; i < nb_neig; ++i) {
std::getline(nin, line);
Point<spatial_dimension> ne;
ne.read(line);
neighbors_map_read[pt].push_back(ne);
}
}
}
int main(int argc, char * argv[]) {
initialize(argc, argv);
const auto & comm = Communicator::getStaticCommunicator();
Int psize = comm.getNbProc();
Int prank = comm.whoAmI();
std::string file_ref = "neighbors_ref_1_0";
std::string file = "neighbors_ref";
std::stringstream sstr;
sstr << file << "_" << psize << "_" << prank;
file = sstr.str();
std::ifstream nin;
neighbors_map_t<spatial_dimension>::type neighbors_map_read;
nin.open(file_ref.c_str());
readNeighbors(nin, neighbors_map_read);
nin.close();
neighbors_map_t<spatial_dimension>::type neighbors_map;
nin.open(file.c_str());
readNeighbors(nin, neighbors_map);
nin.close();
neighbors_map_t<spatial_dimension>::type::iterator it_n =
neighbors_map.begin();
neighbors_map_t<spatial_dimension>::type::iterator end_n =
neighbors_map.end();
for (; it_n != end_n; ++it_n) {
std::sort(it_n->second.begin(), it_n->second.end());
std::vector<Point<spatial_dimension>>::iterator it_v = it_n->second.begin();
std::vector<Point<spatial_dimension>>::iterator end_v = it_n->second.end();
neighbors_map_t<spatial_dimension>::type::iterator it_nr =
neighbors_map_read.find(it_n->first);
if (it_nr == neighbors_map_read.end())
AKANTU_ERROR(
"Argh what is this point that is not present in the ref file "
<< it_n->first);
std::vector<Point<spatial_dimension>>::iterator it_vr =
it_nr->second.begin();
std::vector<Point<spatial_dimension>>::iterator end_vr =
it_nr->second.end();
for (; it_v != end_v && it_vr != end_vr; ++it_v, ++it_vr) {
if (*it_vr != *it_v)
AKANTU_ERROR("Neighbors does not match " << *it_v << " != " << *it_vr
<< " neighbor of "
<< it_n->first);
}
if (it_v == end_v && it_vr != end_vr) {
AKANTU_ERROR("Some neighbors of " << it_n->first << " are missing!");
}
if (it_v != end_v && it_vr == end_vr)
AKANTU_ERROR("Some neighbors of " << it_n->first << " are in excess!");
}
akantu::finalize();
return EXIT_SUCCESS;
}

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