mirror of
https://github.com/triqs/dft_tools
synced 2024-11-01 19:53:45 +01:00
59 lines
1.7 KiB
C++
59 lines
1.7 KiB
C++
/*******************************************************************************
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*
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* TRIQS: a Toolbox for Research in Interacting Quantum Systems
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*
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* Copyright (C) 2013 by O. Parcollet
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*
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* TRIQS is free software: you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* TRIQS is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* TRIQS. If not, see <http://www.gnu.org/licenses/>.
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*
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******************************************************************************/
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#include <triqs/utility/tuple_tools.hpp>
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#include <functional>
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#include <iostream>
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struct fun { double operator()(int i, double x, double y, int k) {return k + i+ x + 2*y;} };
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const int nl_interne = 1000000;
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struct with_unpack {
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double s;
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~with_unpack() { std::cout << s<< std::endl ;}
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void operator()() {
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//std::function<double(int,double,double,int)> F(f);
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fun F;
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auto t = std::make_tuple(1,2.3,4.3,8);
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for (int u =0; u<nl_interne; ++u) { s += triqs::tuple::apply(F,t);}
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}
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};
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struct manual_code {
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double s;
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~manual_code() { std::cout << s<< std::endl ;}
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void operator()() {
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// std::function<double(int,double,double,int)> F(f);
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fun F;
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for (int u =0; u<nl_interne; ++u) { s += F(1,2.3,4.3,8); }
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}
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};
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#include "./speed_tester.hpp"
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int main() {
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speed_tester<with_unpack> (50000);
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speed_tester<manual_code> (50000);
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return 0;
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}
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