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dft_tools/test/triqs/arrays/matmul2.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

53 lines
1.5 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/matrix.hpp"
#include "./src/asserts.hpp"
#include "./src/linalg/matmul.hpp"
#include <iostream>
using namespace triqs::arrays;
int main(int argc, char **argv) {
#ifndef TRIQS_WORKAROUND_INTEL_COMPILER_BUGS
matrix<double> C, A= {{ 1.0,2.3}, {3.1,4.3}};
matrix<int> B= {{ 1,2}, {3,4}};
matrix<double> Bd= {{ 1,2}, {3,4}};
C = A*B;
std::cout << C<< std::endl ;
C = A*Bd;
std::cout << C<< std::endl ;
// check A*B is indeed in double...
//static_assert( std::is_same<decltype(A*B), matrix<double>>::value, "oops");
assert_all_close(A*B, A*Bd, 1.e-13);
#endif
return 0;
}