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51 lines
1.6 KiB
51 lines
1.6 KiB
1 year ago
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// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public License
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// v. 2.0. If a copy of the MPL was not distributed with this file, You can
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// obtain one at http://mozilla.org/MPL/2.0/.
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#ifndef IGL_MATRIX_TO_LIST_H
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#define IGL_MATRIX_TO_LIST_H
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#include "igl_inline.h"
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#include <vector>
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#include <Eigen/Dense>
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namespace igl
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{
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/// Convert a matrix to a list (std::vector) of row vectors of the same size
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///
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/// @tparam Mat Matrix type, must implement:
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/// .resize(m,n)
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/// .row(i) = Row
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/// @tparam T type that can be safely cast to type in Mat via '='
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/// @param[in] M an m by n matrix
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/// @param[out] V a m-long list of vectors of size n
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///
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/// \see list_to_matrix
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template <typename DerivedM>
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IGL_INLINE void matrix_to_list(
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const Eigen::MatrixBase<DerivedM> & M,
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std::vector<std::vector<typename DerivedM::Scalar > > & V);
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/// Convert a matrix to a list (std::vector) of elements in column-major
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/// ordering.
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///
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/// @param[in] M an m by n matrix
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/// @param[out] V an m*n list of elements
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template <typename DerivedM>
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IGL_INLINE void matrix_to_list(
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const Eigen::MatrixBase<DerivedM> & M,
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std::vector<typename DerivedM::Scalar > & V);
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/// \overload
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template <typename DerivedM>
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IGL_INLINE std::vector<typename DerivedM::Scalar > matrix_to_list(
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const Eigen::MatrixBase<DerivedM> & M);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "matrix_to_list.cpp"
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#endif
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#endif
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