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test_csr.cc
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/**
* @file test_csr.cc
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Mon Jul 30 2012
* @date last modification: Thu Dec 06 2012
*
* @brief Test the CSR (compressed sparse row) data structure
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 2014 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 <iostream>
#include "aka_common.hh"
#include "aka_csr.hh"
using namespace akantu;
#define N 1000
int main(int argc, char *argv[]) {
CSR<UInt> csr;
std::vector<UInt> nb_cols_per_row;
csr.resizeRows(N);
csr.clearRows();
for (UInt i = 0; i < N; ++i) {
UInt nb_cols(UInt(rand()*double(N)/(RAND_MAX+1.)));
nb_cols_per_row.push_back(nb_cols);
for (UInt j = 0; j < nb_cols; ++j) {
++csr.rowOffset(i);
}
}
csr.countToCSR();
csr.resizeCols();
csr.beginInsertions();
for (UInt i = 0; i < N; ++i) {
UInt nb_cols = nb_cols_per_row[i];
for (UInt j = 0; j < nb_cols; ++j) {
csr.insertInRow(i, nb_cols - j);
}
}
csr.endInsertions();
if(csr.getNbRows() != N) {
AKANTU_DEBUG_ERROR("The number of rows does not correspond: "
<< csr.getNbRows()
<< " != "
<< N);
}
for (UInt i = 0; i < csr.getNbRows(); ++i) {
CSR<UInt>::iterator it = csr.begin(i);
CSR<UInt>::iterator end = csr.end(i);
UInt nb_cols = nb_cols_per_row[i];
for (; it != end; ++it) {
if(nb_cols != *it) {
AKANTU_DEBUG_ERROR("The numbers stored in the row " << i << " are not correct: "
<< nb_cols
<< " != "
<< *it);
}
nb_cols--;
}
if(nb_cols != 0) {
AKANTU_DEBUG_ERROR("Not enough columns in the row " << i << ": "
<< nb_cols);
}
}
for (UInt i = 0; i < csr.getNbRows(); ++i) {
CSR<UInt>::iterator it = csr.rbegin(i);
CSR<UInt>::iterator end = csr.rend(i);
UInt nb_cols = nb_cols_per_row[i];
UInt j = nb_cols;
for (; it != end; --it) {
if((nb_cols - j + 1) != *it) {
AKANTU_DEBUG_ERROR("Reverse: The numbers stored in the row " << i << " are not correct: "
<< (nb_cols - j + 1)
<< " != "
<< *it);
}
j--;
}
if(j != 0) AKANTU_DEBUG_ERROR("Reverse: Not enough columns in the row " << i << ": "
<< j);
}
return EXIT_SUCCESS;
}

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