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59 lines
1.6 KiB
59 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_UNIQUE_H
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#define IGL_UNIQUE_H
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#include "igl_inline.h"
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#include <vector>
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#include <Eigen/Core>
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namespace igl
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{
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/// Act like matlab's [C,IA,IC] = unique(X)
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///
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/// @tparam T comparable type T
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/// @param[in] A #A vector of type T
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/// @param[out] C #C vector of unique entries in A
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/// @param[out] IA #C index vector so that C = A(IA);
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/// @param[out] IC #A index vector so that A = C(IC);
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template <typename T>
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IGL_INLINE void unique(
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const std::vector<T> & A,
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std::vector<T> & C,
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std::vector<size_t> & IA,
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std::vector<size_t> & IC);
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/// \overload
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template <typename T>
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IGL_INLINE void unique(
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const std::vector<T> & A,
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std::vector<T> & C);
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/// \overload
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template <
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typename DerivedA,
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typename DerivedC,
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typename DerivedIA,
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typename DerivedIC>
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IGL_INLINE void unique(
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const Eigen::MatrixBase<DerivedA> & A,
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Eigen::PlainObjectBase<DerivedC> & C,
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Eigen::PlainObjectBase<DerivedIA> & IA,
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Eigen::PlainObjectBase<DerivedIC> & IC);
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/// \overload
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template <
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typename DerivedA,
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typename DerivedC>
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IGL_INLINE void unique(
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const Eigen::MatrixBase<DerivedA> & A,
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Eigen::PlainObjectBase<DerivedC> & C);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "unique.cpp"
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#endif
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#endif
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