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

52 lines
1.5 KiB
C++

// 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_ON_BOUNDARY_H
#define IGL_ON_BOUNDARY_H
#include "igl_inline.h"
#include <Eigen/Dense>
#include <vector>
namespace igl
{
// ON_BOUNDARY Determine boundary facets of mesh elements stored in T
//
// Templates:
// IntegerT integer-value: i.e. int
// IntegerF integer-value: i.e. int
// Input:
// T triangle|tetrahedron index list, m by 3|4, where m is the number of
// elements
// Output:
// I m long list of bools whether tet is on boundary
// C m by 3|4 list of bools whether opposite facet is on boundary
//
template <typename IntegerT>
IGL_INLINE void on_boundary(
const std::vector<std::vector<IntegerT> > & T,
std::vector<bool> & I,
std::vector<std::vector<bool> > & C);
// Templates:
// DerivedT integer-value: i.e. from MatrixXi
// DerivedI bool-value: i.e. from MatrixXi
// DerivedC bool-value: i.e. from MatrixXi
template <typename DerivedT, typename DerivedI, typename DerivedC>
IGL_INLINE void on_boundary(
const Eigen::MatrixBase<DerivedT>& T,
Eigen::PlainObjectBase<DerivedI>& I,
Eigen::PlainObjectBase<DerivedC>& C);
}
#ifndef IGL_STATIC_LIBRARY
# include "on_boundary.cpp"
#endif
#endif