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Merged branch 'dev_native' into lm_sla_supports_auto

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Added igl library files
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Lukas Matena 2018-10-26 15:45:52 +02:00
commit 7681d00ee5
2865 changed files with 142806 additions and 22325 deletions
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src/igl/components.h Normal file
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// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2015 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_COMPONENTS_H
#define IGL_COMPONENTS_H
#include "igl_inline.h"
#include <Eigen/Core>
#include <Eigen/Sparse>
namespace igl
{
// Compute connected components of a graph represented by an adjacency
// matrix. This version is faster than the previous version using boost.
//
// Inputs:
// A n by n adjacency matrix
// Outputs:
// C n list of component ids (starting with 0)
// counts #components list of counts for each component
//
template <typename AScalar, typename DerivedC, typename Derivedcounts>
IGL_INLINE void components(
const Eigen::SparseMatrix<AScalar> & A,
Eigen::PlainObjectBase<DerivedC> & C,
Eigen::PlainObjectBase<Derivedcounts> & counts);
template <typename AScalar, typename DerivedC>
IGL_INLINE void components(
const Eigen::SparseMatrix<AScalar> & A,
Eigen::PlainObjectBase<DerivedC> & C);
// Ditto but for mesh faces as input. This computes connected components of
// **vertices** where **edges** establish connectivity.
//
// Inputs:
// F n by 3 list of triangle indices
// Outputs:
// C max(F) list of component ids
template <typename DerivedF, typename DerivedC>
IGL_INLINE void components(
const Eigen::MatrixBase<DerivedF> & F,
Eigen::PlainObjectBase<DerivedC> & C);
}
#ifndef IGL_STATIC_LIBRARY
# include "components.cpp"
#endif
#endif