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31 lines
950 B
31 lines
950 B
// 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_RANDOM_DIR_H
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#define IGL_RANDOM_DIR_H
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#include "igl_inline.h"
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#include <Eigen/Core>
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namespace igl
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{
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/// Generate a uniformly random unit direction in 3D, return as vector
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/// @return random direction
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IGL_INLINE Eigen::Vector3d random_dir();
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/// Generate n stratified uniformly random unit directions in 3d, return as rows
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/// of an n by 3 matrix
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///
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/// @param[in] n number of directions
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/// @return n by 3 matrix of random directions
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IGL_INLINE Eigen::MatrixXd random_dir_stratified(const int n);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "random_dir.cpp"
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#endif
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#endif
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