dust3d/third_party/libigl/include/igl/random_dir.h

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// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
//
// This Source Code Form is subject to the terms of the Mozilla Public License
// v. 2.0. If a copy of the MPL was not distributed with this file, You can
// obtain one at http://mozilla.org/MPL/2.0/.
#ifndef IGL_RANDOM_DIR_H
#define IGL_RANDOM_DIR_H
#include "igl_inline.h"
#include <Eigen/Core>
namespace igl
{
// Generate a uniformly random unit direction in 3D, return as vector
IGL_INLINE Eigen::Vector3d random_dir();
// Generate n stratified uniformly random unit directions in 3d, return as rows
// of an n by 3 matrix
//
// Inputs:
// n number of directions
// Return n by 3 matrix of random directions
IGL_INLINE Eigen::MatrixXd random_dir_stratified(const int n);
}
#ifndef IGL_STATIC_LIBRARY
# include "random_dir.cpp"
#endif
#endif