3
0
mirror of https://github.com/triqs/dft_tools synced 2024-11-01 11:43:47 +01:00
dft_tools/test/triqs/arrays/negate.cpp
Olivier Parcollet f2c7d449cc First commit : triqs libs version 1.0 alpha1
for earlier commits, see TRIQS0.x repository.
2013-07-17 19:24:07 +02:00

77 lines
1.9 KiB
C++

/*******************************************************************************
*
* TRIQS: a Toolbox for Research in Interacting Quantum Systems
*
* Copyright (C) 2011 by O. Parcollet
*
* TRIQS is free software: you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* TRIQS 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 General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* TRIQS. If not, see <http://www.gnu.org/licenses/>.
*
******************************************************************************/
#include "./common.hpp"
#include "./src/array.hpp"
#include "./src/matrix.hpp"
#include "./src/vector.hpp"
#include "./src/asserts.hpp"
#include "./src/algorithms.hpp"
#include "./src/mapped_functions.hpp"
#include <iostream>
using namespace triqs::arrays;
using namespace indexmaps;
using namespace storages;
int main(int argc, char **argv) {
{
array<double,1> A(3),B(3);
for (int i =0; i<3; ++i) {
A(i) = 2.6*i;
B(i) = 0;
}
B = -A;
if ( max_element( abs( A+B)) > 1.e-15) TRIQS_RUNTIME_ERROR <<" array: A+B";
}
{
matrix<double> A(3,3),B(3,3);
for (int i =0; i<3; ++i)
for (int j =0; j<3; ++j)
A(i,j) = 2.6*i + 9*j;
B() = 0;
B = -A;
std::cerr << A << std::endl ;
std::cerr << B << std::endl;
if ( max_element( abs( A+B)) > 1.e-15) TRIQS_RUNTIME_ERROR <<" matrix : A+B";
}
{
triqs::arrays::vector<double> A(3),B(3);
for (int i =0; i<3; ++i) {
A(i) = 2.6*i;
B(i) = 0;
}
B = -A;
if ( max_element( abs( A+B)) > 1.e-15) TRIQS_RUNTIME_ERROR <<" vector : A+B";
}
}