GCC Code Coverage Report


Directory: ./
File: unittest/joint-translation.cpp
Date: 2025-02-12 21:03:38
Exec Total Coverage
Lines: 81 81 100.0%
Branches: 311 622 50.0%

Line Branch Exec Source
1 //
2 // Copyright (c) 2015-2020 CNRS INRIA
3 // Copyright (c) 2015 Wandercraft, 86 rue de Paris 91400 Orsay, France.
4 //
5
6 #include "pinocchio/math/fwd.hpp"
7 #include "pinocchio/multibody/joint/joints.hpp"
8 #include "pinocchio/algorithm/rnea.hpp"
9 #include "pinocchio/algorithm/aba.hpp"
10 #include "pinocchio/algorithm/crba.hpp"
11 #include "pinocchio/algorithm/jacobian.hpp"
12 #include "pinocchio/algorithm/compute-all-terms.hpp"
13
14 #include <boost/test/unit_test.hpp>
15 #include <iostream>
16
17 using namespace pinocchio;
18
19 template<typename D>
20 4 void addJointAndBody(
21 Model & model,
22 const JointModelBase<D> & jmodel,
23 const Model::JointIndex parent_id,
24 const SE3 & joint_placement,
25 const std::string & joint_name,
26 const Inertia & Y)
27 {
28 Model::JointIndex idx;
29
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4 idx = model.addJoint(parent_id, jmodel, joint_placement, joint_name);
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4 model.appendBodyToJoint(idx, Y);
32 4 }
33
34 BOOST_AUTO_TEST_SUITE(JointTranslation)
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4 BOOST_AUTO_TEST_CASE(spatial)
37 {
38 typedef TransformTranslationTpl<double, 0> TransformTranslation;
39 typedef SE3::Vector3 Vector3;
40
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2 const Vector3 displacement(Vector3::Random());
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2 SE3 Mplain, Mrand(SE3::Random());
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2 TransformTranslation Mtrans(displacement);
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2 Mplain = Mtrans;
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2 BOOST_CHECK(Mplain.translation().isApprox(displacement));
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2 BOOST_CHECK(Mplain.rotation().isIdentity());
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2 BOOST_CHECK((Mrand * Mplain).isApprox(Mrand * Mtrans));
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2 SE3 M(SE3::Random());
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2 Motion v(Motion::Random());
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2 MotionTranslation mp(MotionTranslation::Vector3(1., 2., 3.));
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2 Motion mp_dense(mp);
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2 BOOST_CHECK(M.act(mp).isApprox(M.act(mp_dense)));
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2 BOOST_CHECK(M.actInv(mp).isApprox(M.actInv(mp_dense)));
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2 BOOST_CHECK(v.cross(mp).isApprox(v.cross(mp_dense)));
60 2 }
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62
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4 BOOST_AUTO_TEST_CASE(vsFreeFlyer)
63 {
64 using namespace pinocchio;
65 typedef SE3::Vector3 Vector3;
66 typedef Eigen::Matrix<double, 6, 1> Vector6;
67 typedef Eigen::Matrix<double, 7, 1> VectorFF;
68 typedef SE3::Matrix3 Matrix3;
69
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2 Model modelTranslation, modelFreeflyer;
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2 Inertia inertia(1., Vector3(0.5, 0., 0.0), Matrix3::Identity());
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2 SE3 pos(1);
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2 pos.translation() = SE3::LinearType(1., 0., 0.);
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6 addJointAndBody(
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4 modelTranslation, JointModelTranslation(), 0, SE3::Identity(), "translation", inertia);
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2 addJointAndBody(modelFreeflyer, JointModelFreeFlyer(), 0, SE3::Identity(), "free-flyer", inertia);
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2 Data dataTranslation(modelTranslation);
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2 Data dataFreeFlyer(modelFreeflyer);
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2 Eigen::VectorXd q = Eigen::VectorXd::Ones(modelTranslation.nq);
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2 VectorFF qff;
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2 qff << 1, 1, 1, 0, 0, 0, 1;
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2 Eigen::VectorXd v = Eigen::VectorXd::Ones(modelTranslation.nv);
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2 Vector6 vff;
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2 vff << 1, 1, 1, 0, 0, 0;
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2 Eigen::VectorXd tauTranslation = Eigen::VectorXd::Ones(modelTranslation.nv);
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2 Eigen::VectorXd tauff(6);
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2 tauff << 1, 1, 1, 0, 0, 0;
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2 Eigen::VectorXd aTranslation = Eigen::VectorXd::Ones(modelTranslation.nv);
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2 Eigen::VectorXd aff(vff);
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2 forwardKinematics(modelTranslation, dataTranslation, q, v);
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2 forwardKinematics(modelFreeflyer, dataFreeFlyer, qff, vff);
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2 computeAllTerms(modelTranslation, dataTranslation, q, v);
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2 computeAllTerms(modelFreeflyer, dataFreeFlyer, qff, vff);
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2 BOOST_CHECK(dataFreeFlyer.oMi[1].isApprox(dataTranslation.oMi[1]));
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2 BOOST_CHECK(dataFreeFlyer.liMi[1].isApprox(dataTranslation.liMi[1]));
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2 BOOST_CHECK(dataFreeFlyer.Ycrb[1].matrix().isApprox(dataTranslation.Ycrb[1].matrix()));
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2 BOOST_CHECK(dataFreeFlyer.f[1].toVector().isApprox(dataTranslation.f[1].toVector()));
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2 Eigen::VectorXd nle_expected_ff(3);
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2 nle_expected_ff << dataFreeFlyer.nle[0], dataFreeFlyer.nle[1], dataFreeFlyer.nle[2];
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2 BOOST_CHECK(nle_expected_ff.isApprox(dataTranslation.nle));
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2 BOOST_CHECK(dataFreeFlyer.com[0].isApprox(dataTranslation.com[0]));
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111 // InverseDynamics == rnea
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2 tauTranslation = rnea(modelTranslation, dataTranslation, q, v, aTranslation);
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2 tauff = rnea(modelFreeflyer, dataFreeFlyer, qff, vff, aff);
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2 Vector3 tau_expected;
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2 tau_expected << tauff(0), tauff(1), tauff(2);
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2 BOOST_CHECK(tauTranslation.isApprox(tau_expected));
118
119 // ForwardDynamics == aba
120 Eigen::VectorXd aAbaTranslation =
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2 aba(modelTranslation, dataTranslation, q, v, tauTranslation, Convention::WORLD);
122 Eigen::VectorXd aAbaFreeFlyer =
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2 aba(modelFreeflyer, dataFreeFlyer, qff, vff, tauff, Convention::WORLD);
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2 Vector3 a_expected;
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2 a_expected << aAbaFreeFlyer[0], aAbaFreeFlyer[1], aAbaFreeFlyer[2];
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2 BOOST_CHECK(aAbaTranslation.isApprox(a_expected));
127
128 // crba
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2 crba(modelTranslation, dataTranslation, q, Convention::WORLD);
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2 crba(modelFreeflyer, dataFreeFlyer, qff, Convention::WORLD);
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2 Eigen::Matrix<double, 3, 3> M_expected(dataFreeFlyer.M.topLeftCorner<3, 3>());
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2 BOOST_CHECK(dataTranslation.M.isApprox(M_expected));
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136 // Jacobian
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2 Eigen::Matrix<double, 6, Eigen::Dynamic> jacobian_translation;
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2 jacobian_translation.resize(6, 3);
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2 jacobian_translation.setZero();
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2 Eigen::Matrix<double, 6, Eigen::Dynamic> jacobian_ff;
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2 jacobian_ff.resize(6, 6);
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2 jacobian_ff.setZero();
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2 computeJointJacobians(modelTranslation, dataTranslation, q);
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2 computeJointJacobians(modelFreeflyer, dataFreeFlyer, qff);
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2 getJointJacobian(modelTranslation, dataTranslation, 1, LOCAL, jacobian_translation);
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2 getJointJacobian(modelFreeflyer, dataFreeFlyer, 1, LOCAL, jacobian_ff);
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2 Eigen::Matrix<double, 6, 3> jacobian_expected;
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2 jacobian_expected << jacobian_ff.col(0), jacobian_ff.col(1), jacobian_ff.col(2);
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2 BOOST_CHECK(jacobian_translation.isApprox(jacobian_expected));
151 2 }
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153 BOOST_AUTO_TEST_SUITE_END()
154