GCC Code Coverage Report

Directory: ./
File: src/steering-method/spline.cc
Date: 2024-08-10 11:29:48
Exec Total Coverage
Lines: 40 43 93.0%
Branches: 72 140 51.4%
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1 // Copyright (c) 2017, Joseph Mirabel
2 // Authors: Joseph Mirabel (joseph.mirabel@laas.fr)
3 //
4
5 // Redistribution and use in source and binary forms, with or without
6 // modification, are permitted provided that the following conditions are
7 // met:
8 //
9 // 1. Redistributions of source code must retain the above copyright
10 // notice, this list of conditions and the following disclaimer.
11 //
12 // 2. Redistributions in binary form must reproduce the above copyright
13 // notice, this list of conditions and the following disclaimer in the
14 // documentation and/or other materials provided with the distribution.
15 //
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 // HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
27 // DAMAGE.
28
29 #include <hpp/constraints/svd.hh>
30 #include <hpp/core/distance.hh>
31 #include <hpp/core/path/spline.hh>
32 #include <hpp/core/problem.hh>
33 #include <hpp/core/steering-method/spline.hh>
34 #include <hpp/pinocchio/configuration.hh>
35 #include <hpp/pinocchio/device.hh>
36 #include <hpp/pinocchio/liegroup.hh>
37
38 namespace hpp {
39 namespace core {
40 namespace steeringMethod {
41 template <int _PB, int _SO>
42 2 PathPtr_t Spline<_PB, _SO>::impl_compute(ConfigurationIn_t q1,
43 ConfigurationIn_t q2) const {
44 enum { NDerivativeConstraintPerSide = int((SplineOrder + 1 - 2) / 2) };
45 typedef Eigen::Matrix<value_type, Eigen::Dynamic,
46 NDerivativeConstraintPerSide>
47 DerMatrix_t;
48 typedef typename DerMatrix_t::ConstantReturnType DefaultDerivatives_t;
49
50
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 2 DefaultDerivatives_t defaultDer(DerMatrix_t::Zero(
51 device_.lock()->numberDof(), NDerivativeConstraintPerSide));
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 2 std::vector<int> orders(NDerivativeConstraintPerSide);
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 2 for (std::size_t i = 0; i < NDerivativeConstraintPerSide; ++i)
54 ✗ orders[i] = int(i + 1);
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 4 return impl_compute(q1, orders, defaultDer, q2, orders, defaultDer, -1);
56 }
57
58 template <int _PB, int _SO>
59 130 PathPtr_t Spline<_PB, _SO>::steer(ConfigurationIn_t q1, std::vector<int> order1,
60 matrixIn_t derivatives1, ConfigurationIn_t q2,
61 std::vector<int> order2,
62 matrixIn_t derivatives2,
63 value_type length) const {
64 // Check the size of the derivatives.
65
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 130 assert(q1.size() == device_.lock()->configSize());
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 130 assert(q1.size() == q2.size());
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 130 assert(derivatives1.rows() == device_.lock()->numberDof());
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 130 assert(derivatives2.rows() == device_.lock()->numberDof());
69 return impl_compute(q1, order1, derivatives1, q2, order2, derivatives2,
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 130 length);
71 }
72
73 template <int _PB, int _SO>
74 template <typename Derived>
75 132 PathPtr_t Spline<_PB, _SO>::impl_compute(
76 ConfigurationIn_t q1, std::vector<int> order1,
77 const Eigen::MatrixBase<Derived>& derivatives1, ConfigurationIn_t q2,
78 std::vector<int> order2, const Eigen::MatrixBase<Derived>& derivatives2,
79 value_type length) const {
80 // Compute the decomposition
81 // typedef Eigen::Matrix<value_type, SplineOrder+1, SplineOrder+1>
82 // ConstraintMatrix_t;
83 typedef Eigen::Matrix<value_type, Eigen::Dynamic, SplineOrder + 1,
84 Eigen::RowMajor>
85 ConstraintMatrix_t;
86 typedef Eigen::Matrix<value_type, Eigen::Dynamic, Eigen::Dynamic,
87 Eigen::RowMajor>
88 RhsMatrix_t;
89
90
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 132 if (length <= 0) {
91 24 DistancePtr_t d = problem()->distance();
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 24 length = (*d)(q1, q2);
93 }
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 264 SplinePathPtr_t p =
95 132 SplinePath::create(device_.lock(), interval_t(0, length), constraints());
96
97 132 const size_type nbConstraints = 2 + derivatives1.cols() + derivatives2.cols();
98
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 132 ConstraintMatrix_t coeffs(nbConstraints, SplineOrder + 1);
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 132 RhsMatrix_t rhs(nbConstraints, device_.lock()->numberDof());
100
101
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 132 p->base(q1); // TODO use the center ?
102 // p->base(device_.lock()->neutralConfiguration()); // TODO use the center ?
103 // Configuration_t qmiddle (q1.size());
104 // pinocchio::interpolate<pinocchio::RnxSOnLieGroupMap>(device_.lock(), q1,
105 // q2, 0.5, qmiddle); p->base(qmiddle);
106
107 // Compute the matrices
108 // TODO calls to basisFunctionDerivative could be cached as they do not
109 // depend on the inputs.
110
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 132 p->basisFunctionDerivative(0, 0, coeffs.row(0).transpose());
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 260 pinocchio::difference<pinocchio::RnxSOnLieGroupMap>(device_.lock(), q1,
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 252 p->base(), rhs.row(0));
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 318 for (std::size_t i = 0; i < order1.size(); ++i)
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 186 p->basisFunctionDerivative(order1[i], 0, coeffs.row(i + 1).transpose());
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 132 rhs.middleRows(1, order1.size()).transpose() = derivatives1;
116
117 128 size_type row = 1 + order1.size();
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 126 p->basisFunctionDerivative(0, 1, coeffs.row(row).transpose());
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 264 pinocchio::difference<pinocchio::RnxSOnLieGroupMap>(device_.lock(), q2,
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 264 p->base(), rhs.row(row));
121 132 ++row;
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 318 for (std::size_t i = 0; i < order2.size(); ++i)
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 186 p->basisFunctionDerivative(order2[i], 1, coeffs.row(i + row).transpose());
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 132 rhs.middleRows(row, order2.size()).transpose() = derivatives2;
125
126 // Solve the problem
127 // coeffs * P = rhs
128 typedef Eigen::JacobiSVD<ConstraintMatrix_t> SVD_t;
129
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 132 SVD_t svd(coeffs, Eigen::ComputeFullU | Eigen::ComputeFullV);
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 132 p->parameters(svd.solve(rhs));
131
132 260 return p;
133 }
134
135 template <int _PB, int _SO>
136 42 Spline<_PB, _SO>::Spline(const ProblemConstPtr_t& problem)
137 42 : SteeringMethod(problem), device_(problem->robot()) {}
138
139 /// Copy constructor
140 template <int _PB, int _SO>
141 ✗ Spline<_PB, _SO>::Spline(const Spline& other)
142 ✗ : SteeringMethod(other), device_(other.device_) {}
143
144 // template class Spline<path::CanonicalPolynomeBasis, 1>; // equivalent to
145 // StraightPath template class Spline<path::CanonicalPolynomeBasis, 2>; template
146 // class Spline<path::CanonicalPolynomeBasis, 3>;
147 template class Spline<path::BernsteinBasis, 1>; // equivalent to StraightPath
148 // template class Spline<path::BernsteinBasis, 2>;
149 template class Spline<path::BernsteinBasis, 3>;
150 template class Spline<path::BernsteinBasis, 5>;
151 template class Spline<path::BernsteinBasis, 7>;
152 } // namespace steeringMethod
153 } // namespace core
154 } // namespace hpp
155