DART 6.7.3
Loading...
Searching...
No Matches
BoxedLcpConstraintSolver.hpp
Go to the documentation of this file.
1/*
2 * Copyright (c) 2011-2019, The DART development contributors
3 * All rights reserved.
4 *
5 * The list of contributors can be found at:
6 * https://github.com/dartsim/dart/blob/master/LICENSE
7 *
8 * This file is provided under the following "BSD-style" License:
9 * Redistribution and use in source and binary forms, with or
10 * without modification, are permitted provided that the following
11 * conditions are met:
12 * * Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * * Redistributions in binary form must reproduce the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer in the documentation and/or other materials provided
17 * with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
19 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
20 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
21 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
26 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
27 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
29 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33#ifndef DART_CONSTRAINT_BOXEDLCPCONSTRAINTSOLVER_HPP_
34#define DART_CONSTRAINT_BOXEDLCPCONSTRAINTSOLVER_HPP_
35
38
39namespace dart {
40namespace constraint {
41
43{
44public:
47 double timeStep, BoxedLcpSolverPtr boxedLcpSolver = nullptr);
48
51
54
55protected:
56 // Documentation inherited.
57 void solveConstrainedGroup(ConstrainedGroup& group) override;
58
61
63 Eigen::Matrix<double, Eigen::Dynamic, Eigen::Dynamic, Eigen::RowMajor> mA;
64
66 Eigen::VectorXd mX;
67
69 Eigen::VectorXd mB;
70
72 Eigen::VectorXd mW;
73
75 Eigen::VectorXd mLo;
76
78 Eigen::VectorXd mHi;
79
81 Eigen::VectorXi mFIndex;
82
84 Eigen::VectorXi mOffset;
85
86#ifndef NDEBUG
87private:
89 bool isSymmetric(std::size_t n, double* A);
90
92 bool isSymmetric(
93 std::size_t n, double* A, std::size_t begin, std::size_t end);
94
96 void print(
97 std::size_t n,
98 double* A,
99 double* x,
100 double* lo,
101 double* hi,
102 double* b,
103 double* w,
104 int* findex);
105#endif
106};
107
108} // namespace constraint
109} // namespace dart
110
111#endif // DART_CONSTRAINT_BOXEDLCPCONSTRAINTSOLVER_HPP_
Definition BoxedLcpConstraintSolver.hpp:43
Eigen::Matrix< double, Eigen::Dynamic, Eigen::Dynamic, Eigen::RowMajor > mA
Cache data for boxed LCP formulation.
Definition BoxedLcpConstraintSolver.hpp:63
Eigen::VectorXd mLo
Cache data for boxed LCP formulation.
Definition BoxedLcpConstraintSolver.hpp:75
bool isSymmetric(std::size_t n, double *A)
Return true if the matrix is symmetric.
Definition BoxedLcpConstraintSolver.cpp:208
Eigen::VectorXi mOffset
Cache data for boxed LCP formulation.
Definition BoxedLcpConstraintSolver.hpp:84
ConstBoxedLcpSolverPtr getBoxedLcpSolver() const
Returns boxed LCP (BLCP) solver.
Definition BoxedLcpConstraintSolver.cpp:75
Eigen::VectorXd mX
Cache data for boxed LCP formulation.
Definition BoxedLcpConstraintSolver.hpp:66
BoxedLcpSolverPtr mBoxedLcpSolver
Boxed LCP solver.
Definition BoxedLcpConstraintSolver.hpp:60
Eigen::VectorXd mW
Cache data for boxed LCP formulation.
Definition BoxedLcpConstraintSolver.hpp:72
void print(std::size_t n, double *A, double *x, double *lo, double *hi, double *b, double *w, int *findex)
Print debug information.
Definition BoxedLcpConstraintSolver.cpp:273
void setBoxedLcpSolver(BoxedLcpSolverPtr lcpSolver)
Sets boxed LCP (BLCP) solver.
Definition BoxedLcpConstraintSolver.cpp:62
Eigen::VectorXd mB
Cache data for boxed LCP formulation.
Definition BoxedLcpConstraintSolver.hpp:69
Eigen::VectorXd mHi
Cache data for boxed LCP formulation.
Definition BoxedLcpConstraintSolver.hpp:78
Eigen::VectorXi mFIndex
Cache data for boxed LCP formulation.
Definition BoxedLcpConstraintSolver.hpp:81
void solveConstrainedGroup(ConstrainedGroup &group) override
Definition BoxedLcpConstraintSolver.cpp:81
ConstrainedGroup is a group of skeletons that interact each other with constraints.
Definition ConstrainedGroup.hpp:58
ConstraintSolver manages constraints and computes constraint impulses.
Definition ConstraintSolver.hpp:56
std::shared_ptr< const BoxedLcpSolver > ConstBoxedLcpSolverPtr
Definition SmartPointer.hpp:55
std::shared_ptr< BoxedLcpSolver > BoxedLcpSolverPtr
Definition SmartPointer.hpp:55
Definition BulletCollisionDetector.cpp:63