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https://github.com/OPM/opm-simulators.git
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78 lines
2.2 KiB
C++
78 lines
2.2 KiB
C++
/*===========================================================================
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//
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// File: test_ad.cpp
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//
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// Created: 2013-04-29 11:12:34+0200
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//
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// Authors: Knut-Andreas Lie <Knut-Andreas.Lie@sintef.no>
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// Halvor M. Nilsen <HalvorMoll.Nilsen@sintef.no>
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// Atgeirr F. Rasmussen <atgeirr@sintef.no>
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// Xavier Raynaud <Xavier.Raynaud@sintef.no>
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// Bård Skaflestad <Bard.Skaflestad@sintef.no>
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//
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//==========================================================================*/
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/*
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Copyright 2013 SINTEF ICT, Applied Mathematics.
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Copyright 2013 Statoil ASA.
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This file is part of the Open Porous Media Project (OPM).
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OPM is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OPM is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OPM. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include <opm/autodiff/AutoDiff.hpp>
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#include <iostream>
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int
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main()
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try
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{
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typedef AutoDiff::Forward<double> AdFW;
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AdFW a = AdFW::variable(0.0);
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AdFW b = AdFW::variable(1.0);
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std::cout << "a: " << a << '\n';
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std::cout << "b: " << b << '\n';
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std::cout << "a + b: " << a + b << '\n';
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a = b;
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std::cout << "a: " << a << '\n';
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std::cout << "b: " << b << '\n';
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std::cout << "a + b: " << a + b << '\n';
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a = AdFW::variable(0.0);
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std::cout << "a: " << a << '\n';
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a += 1;
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std::cout << "a: " << a << '\n';
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std::cout << "a + 1: " << (a + 1) << '\n';
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std::cout << "1 + a: " << (1.0f + a) << '\n';
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a = AdFW::variable(1);
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std::cout << "a: " << a << '\n';
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std::cout << "a - 1: " << (a - 1) << '\n';
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std::cout << "a - b: " << (a - b) << '\n';
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}
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catch (const std::exception &e) {
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std::cerr << "Program threw an exception: " << e.what() << "\n";
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throw;
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}
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