GCC Code Coverage Report


Directory: ./
File: unittest/kinematics.cpp
Date: 2025-02-12 21:03:38
Exec Total Coverage
Lines: 154 154 100.0%
Branches: 698 1384 50.4%

Line Branch Exec Source
1 //
2 // Copyright (c) 2018-2019 CNRS INRIA
3 //
4
5 #include "pinocchio/multibody/model.hpp"
6 #include "pinocchio/multibody/data.hpp"
7 #include "pinocchio/algorithm/kinematics.hpp"
8 #include "pinocchio/algorithm/crba.hpp"
9 #include "pinocchio/algorithm/joint-configuration.hpp"
10 #include "pinocchio/multibody/sample-models.hpp"
11
12 #include <iostream>
13
14 #include <boost/test/unit_test.hpp>
15 #include <boost/utility/binary.hpp>
16
17 BOOST_AUTO_TEST_SUITE(BOOST_TEST_MODULE)
18
19
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4 BOOST_AUTO_TEST_CASE(test_kinematics_constant_vector_input)
20 {
21 using namespace Eigen;
22 using namespace pinocchio;
23
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2 Model model;
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2 buildModels::humanoidRandom(model);
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2 Data data(model);
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2 model.lowerPositionLimit.head<3>().fill(-1.);
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2 model.upperPositionLimit.head<3>().fill(1.);
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2 VectorXd q = randomConfiguration(model);
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2 forwardKinematics(model, data, Model::ConfigVectorType::Ones(model.nq));
34 2 }
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4 BOOST_AUTO_TEST_CASE(test_kinematics_zero)
37 {
38 using namespace Eigen;
39 using namespace pinocchio;
40
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2 Model model;
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2 buildModels::humanoidRandom(model);
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2 Data data(model), data_ref(model);
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2 model.lowerPositionLimit.head<3>().fill(-1.);
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2 model.upperPositionLimit.head<3>().fill(1.);
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2 VectorXd q = randomConfiguration(model);
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2 forwardKinematics(model, data_ref, q);
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2 crba(model, data, q, Convention::WORLD);
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2 updateGlobalPlacements(model, data);
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56 for (Model::JointIndex i = 1; i < (Model::JointIndex)model.njoints; ++i)
55 {
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54 BOOST_CHECK(data.oMi[i] == data_ref.oMi[i]);
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54 BOOST_CHECK(data.liMi[i] == data_ref.liMi[i]);
58 }
59 2 }
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4 BOOST_AUTO_TEST_CASE(test_kinematics_first)
62 {
63 using namespace Eigen;
64 using namespace pinocchio;
65
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2 Model model;
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2 buildModels::humanoidRandom(model);
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2 Data data(model);
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2 model.lowerPositionLimit.head<3>().fill(-1.);
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2 VectorXd q = randomConfiguration(model);
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2 VectorXd v(VectorXd::Zero(model.nv));
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2 forwardKinematics(model, data, q, v);
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79 {
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54 BOOST_CHECK(data.v[i] == Motion::Zero());
81 }
82 2 }
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4 BOOST_AUTO_TEST_CASE(test_kinematics_second)
85 {
86 using namespace Eigen;
87 using namespace pinocchio;
88
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2 Model model;
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2 buildModels::humanoidRandom(model);
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2 Data data(model);
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2 model.lowerPositionLimit.head<3>().fill(-1.);
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2 model.upperPositionLimit.head<3>().fill(1.);
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2 VectorXd q = randomConfiguration(model);
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2 VectorXd v(VectorXd::Zero(model.nv));
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2 VectorXd a(VectorXd::Zero(model.nv));
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2 forwardKinematics(model, data, q, v, a);
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54 BOOST_CHECK(data.v[i] == Motion::Zero());
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54 BOOST_CHECK(data.a[i] == Motion::Zero());
106 }
107 2 }
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4 BOOST_AUTO_TEST_CASE(test_get_velocity)
110 {
111 using namespace Eigen;
112 using namespace pinocchio;
113
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2 Model model;
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2 buildModels::humanoidRandom(model);
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2 Data data(model);
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2 model.lowerPositionLimit.head<3>().fill(-1.);
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2 model.upperPositionLimit.head<3>().fill(1.);
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2 VectorXd q = randomConfiguration(model);
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2 VectorXd v(VectorXd::Random(model.nv));
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2 forwardKinematics(model, data, q, v);
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127 {
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54 BOOST_CHECK(data.v[i].isApprox(getVelocity(model, data, i)));
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54 BOOST_CHECK(data.v[i].isApprox(getVelocity(model, data, i, LOCAL)));
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54 BOOST_CHECK(data.oMi[i].act(data.v[i]).isApprox(getVelocity(model, data, i, WORLD)));
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54 BOOST_CHECK(SE3(data.oMi[i].rotation(), Eigen::Vector3d::Zero())
132 .act(data.v[i])
133 .isApprox(getVelocity(model, data, i, LOCAL_WORLD_ALIGNED)));
134 }
135 2 }
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4 BOOST_AUTO_TEST_CASE(test_get_acceleration)
138 {
139 using namespace Eigen;
140 using namespace pinocchio;
141
142
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2 Model model;
143
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2 buildModels::humanoidRandom(model);
144
145
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2 Data data(model);
146
147
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2 model.lowerPositionLimit.head<3>().fill(-1.);
148
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2 model.upperPositionLimit.head<3>().fill(1.);
149
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2 VectorXd q = randomConfiguration(model);
150
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2 VectorXd v(VectorXd::Random(model.nv));
151
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2 VectorXd a(VectorXd::Random(model.nv));
152
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2 forwardKinematics(model, data, q, v, a);
154
155
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56 for (Model::JointIndex i = 1; i < (Model::JointIndex)model.njoints; ++i)
156 {
157
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54 BOOST_CHECK(data.a[i].isApprox(getAcceleration(model, data, i)));
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54 BOOST_CHECK(data.a[i].isApprox(getAcceleration(model, data, i, LOCAL)));
159
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54 BOOST_CHECK(data.oMi[i].act(data.a[i]).isApprox(getAcceleration(model, data, i, WORLD)));
160
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54 BOOST_CHECK(SE3(data.oMi[i].rotation(), Eigen::Vector3d::Zero())
161 .act(data.a[i])
162 .isApprox(getAcceleration(model, data, i, LOCAL_WORLD_ALIGNED)));
163 }
164 2 }
165
166
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4 BOOST_AUTO_TEST_CASE(test_get_classical_acceleration)
167 {
168 using namespace Eigen;
169 using namespace pinocchio;
170
171
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2 Model model;
172
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2 buildModels::humanoidRandom(model);
173
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2 Data data(model);
175
176
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2 model.lowerPositionLimit.head<3>().fill(-1.);
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2 model.upperPositionLimit.head<3>().fill(1.);
178
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2 VectorXd q = randomConfiguration(model);
179
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2 VectorXd v(VectorXd::Random(model.nv));
180
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2 VectorXd a(VectorXd::Random(model.nv));
181
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2 forwardKinematics(model, data, q, v, a);
183
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56 for (Model::JointIndex i = 1; i < (Model::JointIndex)model.njoints; ++i)
185 {
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54 SE3 T = data.oMi[i];
187
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54 Motion vel = data.v[i];
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54 Motion acc = data.a[i];
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54 Vector3d linear;
190
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54 Motion acc_classical_local = acc;
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54 linear = acc.linear() + vel.angular().cross(vel.linear());
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54 acc_classical_local.linear() = linear;
194
195
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54 BOOST_CHECK(acc_classical_local.isApprox(getClassicalAcceleration(model, data, i)));
196
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54 BOOST_CHECK(acc_classical_local.isApprox(getClassicalAcceleration(model, data, i, LOCAL)));
197
198
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54 Motion vel_world = T.act(vel);
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54 Motion acc_classical_world = T.act(acc);
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54 linear = acc_classical_world.linear() + vel_world.angular().cross(vel_world.linear());
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54 acc_classical_world.linear() = linear;
202
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54 BOOST_CHECK(acc_classical_world.isApprox(getClassicalAcceleration(model, data, i, WORLD)));
204
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54 Motion vel_aligned = SE3(data.oMi[i].rotation(), Eigen::Vector3d::Zero()).act(vel);
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54 Motion acc_classical_aligned = SE3(data.oMi[i].rotation(), Eigen::Vector3d::Zero()).act(acc);
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54 linear = acc_classical_aligned.linear() + vel_aligned.angular().cross(vel_aligned.linear());
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54 acc_classical_aligned.linear() = linear;
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54 BOOST_CHECK(acc_classical_aligned.isApprox(
211 getClassicalAcceleration(model, data, i, LOCAL_WORLD_ALIGNED)));
212 }
213 2 }
214
215
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4 BOOST_AUTO_TEST_CASE(test_kinematic_getters)
216 {
217 using namespace Eigen;
218 using namespace pinocchio;
219
220 // Build a simple 2R planar model
221
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2 Model model;
222 2 JointIndex jointId = 0;
223
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2 jointId = model.addJoint(jointId, JointModelRZ(), SE3::Identity(), "Joint1");
224
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6 jointId = model.addJoint(
225
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4 jointId, JointModelRZ(), SE3(Matrix3d::Identity(), Vector3d(1.0, 0.0, 0.0)), "Joint2");
226
227
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2 Data data(model);
228
229 // Predetermined configuration values
230
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2 VectorXd q(model.nq);
231
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2 q << M_PI / 2.0, 0.0;
232
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2 VectorXd v(model.nv);
234
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2 v << 1.0, 0.0;
235
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2 VectorXd a(model.nv);
237
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2 a << 0.0, 0.0;
238
239 // Expected velocity
240
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2 Motion v_local;
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2 v_local.linear() = Vector3d(0.0, 1.0, 0.0);
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2 v_local.angular() = Vector3d(0.0, 0.0, 1.0);
243
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2 Motion v_world;
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2 v_world.linear() = Vector3d::Zero();
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2 v_world.angular() = Vector3d(0.0, 0.0, 1.0);
247
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2 Motion v_align;
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2 v_align.linear() = Vector3d(-1.0, 0.0, 0.0);
250
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2 v_align.angular() = Vector3d(0.0, 0.0, 1.0);
251
252 // Expected classical acceleration
253
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2 Motion ac_local;
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2 ac_local.linear() = Vector3d(-1.0, 0.0, 0.0);
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2 ac_local.angular() = Vector3d::Zero();
256
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2 Motion ac_world = Motion::Zero();
258
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2 Motion ac_align;
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2 ac_align.linear() = Vector3d(0.0, -1.0, 0.0);
261
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2 ac_align.angular() = Vector3d::Zero();
262
263 // Perform kinematics
264
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2 forwardKinematics(model, data, q, v, a);
265
266 // Check output velocity
267
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2 BOOST_CHECK(v_local.isApprox(getVelocity(model, data, jointId)));
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2 BOOST_CHECK(v_local.isApprox(getVelocity(model, data, jointId, LOCAL)));
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2 BOOST_CHECK(v_world.isApprox(getVelocity(model, data, jointId, WORLD)));
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2 BOOST_CHECK(v_align.isApprox(getVelocity(model, data, jointId, LOCAL_WORLD_ALIGNED)));
271
272 // Check output acceleration (all zero)
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2 BOOST_CHECK(getAcceleration(model, data, jointId).isZero());
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2 BOOST_CHECK(getAcceleration(model, data, jointId, LOCAL).isZero());
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2 BOOST_CHECK(getAcceleration(model, data, jointId, WORLD).isZero());
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2 BOOST_CHECK(getAcceleration(model, data, jointId, LOCAL_WORLD_ALIGNED).isZero());
277
278 // Check output classical
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2 BOOST_CHECK(ac_local.isApprox(getClassicalAcceleration(model, data, jointId)));
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2 BOOST_CHECK(ac_local.isApprox(getClassicalAcceleration(model, data, jointId, LOCAL)));
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2 BOOST_CHECK(ac_world.isApprox(getClassicalAcceleration(model, data, jointId, WORLD)));
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2 BOOST_CHECK(
283 ac_align.isApprox(getClassicalAcceleration(model, data, jointId, LOCAL_WORLD_ALIGNED)));
284 2 }
285
286 BOOST_AUTO_TEST_SUITE_END()
287