DART 6.10.1
Loading...
Searching...
No Matches
DantzigLCPSolver.hpp
Go to the documentation of this file.
1/*
2 * Copyright (c) 2011-2021, 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_DANTZIGLCPSOLVER_HPP_
34#define DART_CONSTRAINT_DANTZIGLCPSOLVER_HPP_
35
36#include <cstddef>
37
38#include "dart/config.hpp"
40
41namespace dart {
42namespace constraint {
43
50{
51public:
53 explicit DantzigLCPSolver(double _timestep);
54
56 virtual ~DantzigLCPSolver();
57
58 // Documentation inherited
59 void solve(ConstrainedGroup* _group) override;
60
61#ifndef NDEBUG
62private:
64 bool isSymmetric(std::size_t _n, double* _A);
65
67 bool isSymmetric(
68 std::size_t _n, double* _A, std::size_t _begin, std::size_t _end);
69
71 void print(
72 std::size_t _n,
73 double* _A,
74 double* _x,
75 double* _lo,
76 double* _hi,
77 double* _b,
78 double* w,
79 int* _findex);
80#endif
81};
82
83} // namespace constraint
84} // namespace dart
85
86#endif // DART_CONSTRAINT_DANTZIGLCPSOLVER_HPP_
ConstrainedGroup is a group of skeletons that interact each other with constraints.
Definition ConstrainedGroup.hpp:58
Definition DantzigLCPSolver.hpp:50
virtual ~DantzigLCPSolver()
Constructor.
Definition DantzigLCPSolver.cpp:57
void solve(ConstrainedGroup *_group) override
Solve constriant impulses for a constrained group.
Definition DantzigLCPSolver.cpp:63
void print(std::size_t _n, double *_A, double *_x, double *_lo, double *_hi, double *_b, double *w, int *_findex)
Print debug information.
Definition DantzigLCPSolver.cpp:260
bool isSymmetric(std::size_t _n, double *_A)
Return true if the matrix is symmetric.
Definition DantzigLCPSolver.cpp:195
Definition LCPSolver.hpp:45
Definition BulletCollisionDetector.cpp:65