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883607e1d4
Move many third-party components' source codes from the src folder to a new folder called deps_src. The goal is to make the code structure clearer and easier to navigate.
21 lines
792 B
C++
21 lines
792 B
C++
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2015 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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#include "null.h"
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#include "EPS.h"
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template <typename DerivedA, typename DerivedN>
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IGL_INLINE void igl::null(
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const Eigen::PlainObjectBase<DerivedA> & A,
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Eigen::PlainObjectBase<DerivedN> & N)
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{
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using namespace Eigen;
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typedef typename DerivedA::Scalar Scalar;
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JacobiSVD<MatrixXd> svd(A, ComputeFullV);
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svd.setThreshold(A.cols() * svd.singularValues().maxCoeff() * EPS<Scalar>());
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N = svd.matrixV().rightCols(A.cols()-svd.rank());
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}
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