110 lines
3.5 KiB
C
110 lines
3.5 KiB
C
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/*
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* Software License Agreement (BSD License)
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*
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* Copyright (c) 2012-, Open Perception, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of the copyright holder(s) nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*
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*
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*/
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#pragma once
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#include <vector>
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#include <map>
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namespace pcl
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{
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namespace on_nurbs
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{
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/** \brief Sparse matrix implementation. */
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class SparseMat
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{
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protected:
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std::map<int, std::map<int, double> > m_mat;
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public:
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/** \brief Constructor clearing memory of matrix (=set to zero) */
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SparseMat ()
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{
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m_mat.clear ();
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}
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/** \brief Get a set of values defined by index vectors
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* \param[in] i vector of row indices
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* \param[in] j vector of column indices
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* \param[out] v vector of matrix entries at (i,j) */
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void
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get (std::vector<int> &i, std::vector<int> &j, std::vector<double> &v);
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/** \brief Get matrix values at index pair (i,j)
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* \param[in] i row index
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* \param[in] j column index
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* return v matrix value at (i,j) */
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double
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get (int i, int j);
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/** \brief Set matrix values at index pair (i,j)
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* \param[in] i row index
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* \param[in] j column index
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* \param[in] v matrix value at (i,j) */
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void
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set (int i, int j, double v);
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/** \brief Delete row at index i (= set to zero) */
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void
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deleteRow (int i);
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/** \brief Delete column at index j (= set to zero) */
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void
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deleteColumn (int j);
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/** \brief Clear memory of matrix (=set to zero) */
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inline void
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clear ()
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{
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m_mat.clear ();
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}
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/** \brief Get size of matrix with respect to last non-zero entries */
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void
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size (int &si, int &sj);
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/** \brief Get number of non-zero entries in matrix */
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int
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nonzeros ();
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/** \brief Print all matrix entries with respect to size. */
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void
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printLong ();
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/** \brief Print indices and values of non-zero entries. */
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void
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print ();
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};
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}
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}
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