| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /////////////////////////////////////////////////////////////////////////////// | ||
| 2 | // BSD 3-Clause License | ||
| 3 | // | ||
| 4 | // Copyright (C) 2019-2024, LAAS-CNRS, New York University, | ||
| 5 | // Max Planck Gesellschaft, University of Edinburgh, | ||
| 6 | // INRIA, Heriot-Watt University | ||
| 7 | // Copyright note valid unless otherwise stated in individual files. | ||
| 8 | // All rights reserved. | ||
| 9 | /////////////////////////////////////////////////////////////////////////////// | ||
| 10 | |||
| 11 | #define BOOST_TEST_NO_MAIN | ||
| 12 | #define BOOST_TEST_ALTERNATIVE_INIT_API | ||
| 13 | |||
| 14 | #include "crocoddyl/core/utils/callbacks.hpp" | ||
| 15 | #include "factory/solver.hpp" | ||
| 16 | #include "unittest_common.hpp" | ||
| 17 | |||
| 18 | using namespace boost::unit_test; | ||
| 19 | using namespace crocoddyl::unittest; | ||
| 20 | |||
| 21 | //____________________________________________________________________________// | ||
| 22 | |||
| 23 | ✗ | void test_kkt_dimension(ActionModelTypes::Type action_type, size_t T) { | |
| 24 | // Create action models | ||
| 25 | std::shared_ptr<crocoddyl::ActionModelAbstract> model = | ||
| 26 | ✗ | ActionModelFactory().create(action_type); | |
| 27 | std::shared_ptr<crocoddyl::ActionModelAbstract> model2 = | ||
| 28 | ✗ | ActionModelFactory().create(action_type, ActionModelFactory::Second); | |
| 29 | std::shared_ptr<crocoddyl::ActionModelAbstract> modelT = | ||
| 30 | ✗ | ActionModelFactory().create(action_type, ActionModelFactory::Terminal); | |
| 31 | |||
| 32 | // Create the kkt solver | ||
| 33 | ✗ | SolverFactory factory; | |
| 34 | std::shared_ptr<crocoddyl::SolverKKT> kkt = | ||
| 35 | std::static_pointer_cast<crocoddyl::SolverKKT>( | ||
| 36 | ✗ | factory.create(SolverTypes::SolverKKT, model, model2, modelT, T)); | |
| 37 | |||
| 38 | // define some aliases | ||
| 39 | ✗ | const std::size_t ndx = kkt->get_ndx(); | |
| 40 | ✗ | const std::size_t nu = kkt->get_nu(); | |
| 41 | |||
| 42 | // Test the different matrix sizes | ||
| 43 | ✗ | BOOST_CHECK_EQUAL(kkt->get_kkt().rows(), 2 * ndx + nu); | |
| 44 | ✗ | BOOST_CHECK_EQUAL(kkt->get_kkt().cols(), 2 * ndx + nu); | |
| 45 | ✗ | BOOST_CHECK_EQUAL(kkt->get_kktref().size(), 2 * ndx + nu); | |
| 46 | ✗ | BOOST_CHECK_EQUAL(kkt->get_primaldual().size(), 2 * ndx + nu); | |
| 47 | ✗ | BOOST_CHECK_EQUAL(kkt->get_us().size(), T); | |
| 48 | ✗ | BOOST_CHECK_EQUAL(kkt->get_xs().size(), T + 1); | |
| 49 | ✗ | } | |
| 50 | |||
| 51 | //____________________________________________________________________________// | ||
| 52 | |||
| 53 | ✗ | void test_kkt_search_direction(ActionModelTypes::Type action_type, size_t T) { | |
| 54 | // Create action models | ||
| 55 | std::shared_ptr<crocoddyl::ActionModelAbstract> model = | ||
| 56 | ✗ | ActionModelFactory().create(action_type); | |
| 57 | std::shared_ptr<crocoddyl::ActionModelAbstract> model2 = | ||
| 58 | ✗ | ActionModelFactory().create(action_type, ActionModelFactory::Second); | |
| 59 | std::shared_ptr<crocoddyl::ActionModelAbstract> modelT = | ||
| 60 | ✗ | ActionModelFactory().create(action_type, ActionModelFactory::Terminal); | |
| 61 | |||
| 62 | // Create the kkt solver | ||
| 63 | ✗ | SolverFactory factory; | |
| 64 | std::shared_ptr<crocoddyl::SolverKKT> kkt = | ||
| 65 | std::static_pointer_cast<crocoddyl::SolverKKT>( | ||
| 66 | ✗ | factory.create(SolverTypes::SolverKKT, model, model2, modelT, T)); | |
| 67 | |||
| 68 | // Generate the different state along the trajectory | ||
| 69 | const std::shared_ptr<crocoddyl::ShootingProblem>& problem = | ||
| 70 | ✗ | kkt->get_problem(); | |
| 71 | const std::shared_ptr<crocoddyl::StateAbstract>& state = | ||
| 72 | ✗ | problem->get_runningModels()[0]->get_state(); | |
| 73 | ✗ | std::vector<Eigen::VectorXd> xs; | |
| 74 | ✗ | std::vector<Eigen::VectorXd> us; | |
| 75 | ✗ | for (std::size_t i = 0; i < T; ++i) { | |
| 76 | const std::shared_ptr<crocoddyl::ActionModelAbstract>& model = | ||
| 77 | ✗ | problem->get_runningModels()[i]; | |
| 78 | ✗ | xs.push_back(state->rand()); | |
| 79 | ✗ | us.push_back(Eigen::VectorXd::Random(model->get_nu())); | |
| 80 | } | ||
| 81 | ✗ | xs.push_back(state->rand()); | |
| 82 | |||
| 83 | // Compute the search direction | ||
| 84 | ✗ | kkt->setCandidate(xs, us); | |
| 85 | ✗ | kkt->computeDirection(); | |
| 86 | |||
| 87 | // define some aliases | ||
| 88 | ✗ | const std::size_t ndx = kkt->get_ndx(); | |
| 89 | ✗ | const std::size_t nu = kkt->get_nu(); | |
| 90 | ✗ | Eigen::MatrixXd kkt_mat = kkt->get_kkt(); | |
| 91 | ✗ | Eigen::Block<Eigen::MatrixXd> hess = kkt_mat.block(0, 0, ndx + nu, ndx + nu); | |
| 92 | |||
| 93 | // Checking the symmetricity of the Hessian | ||
| 94 | ✗ | BOOST_CHECK((hess - hess.transpose()).isZero(1e-9)); | |
| 95 | |||
| 96 | // Check initial state | ||
| 97 | ✗ | BOOST_CHECK((state->diff_dx(state->integrate_x(xs[0], kkt->get_dxs()[0]), | |
| 98 | kkt->get_problem()->get_x0())) | ||
| 99 | .isZero(1e-9)); | ||
| 100 | ✗ | } | |
| 101 | |||
| 102 | //____________________________________________________________________________// | ||
| 103 | |||
| 104 | ✗ | void test_solver_against_kkt_solver(SolverTypes::Type solver_type, | |
| 105 | ActionModelTypes::Type action_type, | ||
| 106 | size_t T) { | ||
| 107 | // Create action models | ||
| 108 | std::shared_ptr<crocoddyl::ActionModelAbstract> model = | ||
| 109 | ✗ | ActionModelFactory().create(action_type); | |
| 110 | std::shared_ptr<crocoddyl::ActionModelAbstract> model2 = | ||
| 111 | ✗ | ActionModelFactory().create(action_type, ActionModelFactory::Second); | |
| 112 | std::shared_ptr<crocoddyl::ActionModelAbstract> modelT = | ||
| 113 | ✗ | ActionModelFactory().create(action_type, ActionModelFactory::Terminal); | |
| 114 | |||
| 115 | // Create the testing and KKT solvers | ||
| 116 | ✗ | SolverFactory solver_factory; | |
| 117 | std::shared_ptr<crocoddyl::SolverAbstract> solver = | ||
| 118 | ✗ | solver_factory.create(solver_type, model, model2, modelT, T); | |
| 119 | std::shared_ptr<crocoddyl::SolverAbstract> kkt = | ||
| 120 | ✗ | solver_factory.create(SolverTypes::SolverKKT, model, model2, modelT, T); | |
| 121 | |||
| 122 | // Get the pointer to the problem so we can create the equivalent kkt solver. | ||
| 123 | const std::shared_ptr<crocoddyl::ShootingProblem>& problem = | ||
| 124 | ✗ | solver->get_problem(); | |
| 125 | |||
| 126 | // Generate the different state along the trajectory | ||
| 127 | const std::shared_ptr<crocoddyl::StateAbstract>& state = | ||
| 128 | ✗ | problem->get_runningModels()[0]->get_state(); | |
| 129 | ✗ | std::vector<Eigen::VectorXd> xs; | |
| 130 | ✗ | std::vector<Eigen::VectorXd> us; | |
| 131 | ✗ | for (std::size_t i = 0; i < T; ++i) { | |
| 132 | const std::shared_ptr<crocoddyl::ActionModelAbstract>& model = | ||
| 133 | ✗ | problem->get_runningModels()[i]; | |
| 134 | ✗ | xs.push_back(state->rand()); | |
| 135 | ✗ | us.push_back(Eigen::VectorXd::Random(model->get_nu())); | |
| 136 | } | ||
| 137 | ✗ | xs.push_back(state->rand()); | |
| 138 | |||
| 139 | // Define the callback function | ||
| 140 | ✗ | std::vector<std::shared_ptr<crocoddyl::CallbackAbstract> > cbs; | |
| 141 | ✗ | cbs.push_back(std::make_shared<crocoddyl::CallbackVerbose>()); | |
| 142 | ✗ | kkt->setCallbacks(cbs); | |
| 143 | ✗ | solver->setCallbacks(cbs); | |
| 144 | |||
| 145 | // Print the name of the action model for introspection | ||
| 146 | ✗ | std::cout << ActionModelTypes::all[action_type] << std::endl; | |
| 147 | |||
| 148 | // Solve the problem using the KKT solver | ||
| 149 | ✗ | kkt->solve(xs, us, 100); | |
| 150 | |||
| 151 | // Solve the problem using the solver in testing | ||
| 152 | ✗ | solver->solve(xs, us, 100); | |
| 153 | |||
| 154 | // check trajectory dimensions | ||
| 155 | ✗ | BOOST_CHECK_EQUAL(solver->get_us().size(), T); | |
| 156 | ✗ | BOOST_CHECK_EQUAL(solver->get_xs().size(), T + 1); | |
| 157 | |||
| 158 | // initial state | ||
| 159 | ✗ | BOOST_CHECK((solver->get_xs()[0] - problem->get_x0()).isZero(1e-9)); | |
| 160 | |||
| 161 | // check solutions against each other | ||
| 162 | ✗ | for (unsigned int t = 0; t < T; ++t) { | |
| 163 | const std::shared_ptr<crocoddyl::ActionModelAbstract>& model = | ||
| 164 | ✗ | solver->get_problem()->get_runningModels()[t]; | |
| 165 | ✗ | std::size_t nu = model->get_nu(); | |
| 166 | ✗ | BOOST_CHECK( | |
| 167 | (state->diff_dx(solver->get_xs()[t], kkt->get_xs()[t])).isZero(1e-9)); | ||
| 168 | ✗ | BOOST_CHECK((solver->get_us()[t].head(nu) - kkt->get_us()[t]).isZero(1e-9)); | |
| 169 | } | ||
| 170 | ✗ | BOOST_CHECK( | |
| 171 | (state->diff_dx(solver->get_xs()[T], kkt->get_xs()[T])).isZero(1e-9)); | ||
| 172 | ✗ | } | |
| 173 | |||
| 174 | //____________________________________________________________________________// | ||
| 175 | |||
| 176 | ✗ | void register_kkt_solver_unit_tests(ActionModelTypes::Type action_type, | |
| 177 | const std::size_t T) { | ||
| 178 | ✗ | boost::test_tools::output_test_stream test_name; | |
| 179 | ✗ | test_name << "test_SolverKKT_" << action_type; | |
| 180 | ✗ | test_suite* ts = BOOST_TEST_SUITE(test_name.str()); | |
| 181 | ✗ | std::cout << "Running " << test_name.str() << std::endl; | |
| 182 | ✗ | ts->add(BOOST_TEST_CASE(boost::bind(&test_kkt_dimension, action_type, T))); | |
| 183 | ✗ | ts->add( | |
| 184 | ✗ | BOOST_TEST_CASE(boost::bind(&test_kkt_search_direction, action_type, T))); | |
| 185 | ✗ | framework::master_test_suite().add(ts); | |
| 186 | ✗ | } | |
| 187 | |||
| 188 | ✗ | void register_solvers_againt_kkt_unit_tests(SolverTypes::Type solver_type, | |
| 189 | ActionModelTypes::Type action_type, | ||
| 190 | const std::size_t T) { | ||
| 191 | ✗ | boost::test_tools::output_test_stream test_name; | |
| 192 | ✗ | test_name << "test_" << solver_type << "_vs_SolverKKT_" << action_type; | |
| 193 | ✗ | test_suite* ts = BOOST_TEST_SUITE(test_name.str()); | |
| 194 | ✗ | std::cout << "Running " << test_name.str() << std::endl; | |
| 195 | ✗ | ts->add(BOOST_TEST_CASE(boost::bind(&test_solver_against_kkt_solver, | |
| 196 | solver_type, action_type, T))); | ||
| 197 | ✗ | framework::master_test_suite().add(ts); | |
| 198 | ✗ | } | |
| 199 | |||
| 200 | //____________________________________________________________________________// | ||
| 201 | |||
| 202 | ✗ | bool init_function() { | |
| 203 | ✗ | std::size_t T = 10; | |
| 204 | |||
| 205 | ✗ | for (size_t i = 0; i < ActionModelTypes::all.size(); ++i) { | |
| 206 | ✗ | register_kkt_solver_unit_tests(ActionModelTypes::all[i], T); | |
| 207 | } | ||
| 208 | |||
| 209 | // We start from 1 as 0 is the kkt solver | ||
| 210 | ✗ | for (size_t s = 1; s < SolverTypes::all.size(); ++s) { | |
| 211 | ✗ | for (size_t i = 0; i < ActionModelTypes::ActionModelImpulseFwdDynamics_HyQ; | |
| 212 | ++i) { | ||
| 213 | ✗ | register_solvers_againt_kkt_unit_tests(SolverTypes::all[s], | |
| 214 | ✗ | ActionModelTypes::all[i], T); | |
| 215 | } | ||
| 216 | } | ||
| 217 | ✗ | return true; | |
| 218 | } | ||
| 219 | |||
| 220 | //____________________________________________________________________________// | ||
| 221 | |||
| 222 | ✗ | int main(int argc, char* argv[]) { | |
| 223 | ✗ | return ::boost::unit_test::unit_test_main(&init_function, argc, argv); | |
| 224 | } | ||
| 225 |