Initial release
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34
deps_src/libigl/igl/reorder.h
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34
deps_src/libigl/igl/reorder.h
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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_REORDER_H
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#define IGL_REORDER_H
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#include "igl_inline.h"
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#include <vector>
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// For size_t
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#include <stddef.h>
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#include <cstdlib>
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namespace igl
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{
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// Act like matlab's Y = X(I) for std vectors
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// where I contains a vector of indices so that after,
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// Y[j] = X[I[j]] for index j
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// this implies that Y.size() == I.size()
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// X and Y are allowed to be the same reference
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template< class T >
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IGL_INLINE void reorder(
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const std::vector<T> & unordered,
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std::vector<size_t> const & index_map,
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std::vector<T> & ordered);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "reorder.cpp"
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#endif
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#endif
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