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dft_tools/test/triqs/arrays/dot.cpp

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/*******************************************************************************
*
* 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 <iostream>
#include "./src/array.hpp"
#include "./src/vector.hpp"
#include "./src/matrix.hpp"
#include "./src/blas_lapack/dot.hpp"
#include "./src/asserts.hpp"
using namespace triqs::arrays;
template<typename Vd, typename Vi>
void test() {
Vd a(2),aa(2),c(2) ;a()=2.0; c() = 1;
Vi b(2);b()=3;
std::cout << blas::dot<false>(a,b) << std::endl;
aa = 2*a;
assert_close( dot(a,b), 12);
assert_close( dot(aa,a), 16);
assert_close( dot(aa,b), 24);
assert_close( dot(aa-a,b), 12);
std::cerr << dot(aa,a) << std::endl ;
std::cerr << dot(aa,b) << std::endl ;
std::cerr << dot(aa-a, b) << std::endl;
std::cerr<< "---------------------"<<std::endl;
}
int main(int argc, char **argv) {
test<vector<double> , vector<int> >();
// does not work for array just because of .size() vs .len(0)...
//test<array<double,1> , array<int,1> >();
//test<array<double,1> , vector<int> >();
//test<vector<double> , array<int,1> >();
}