massmatrix.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_MASSMATRIX_H
#define IGL_MASSMATRIX_H
#include "igl_inline.h"
 
#include <Eigen/Dense>
#include <Eigen/Sparse>
 
namespace igl 
{
  enum MassMatrixType
  {
    MASSMATRIX_TYPE_BARYCENTRIC = 0,
    MASSMATRIX_TYPE_VORONOI = 1,
    MASSMATRIX_TYPE_FULL = 2,
    MASSMATRIX_TYPE_DEFAULT = 3,
    NUM_MASSMATRIX_TYPES = 4
  };
 
  template <typename DerivedV, typename DerivedF, typename Scalar>
  IGL_INLINE void massmatrix(
    const Eigen::MatrixBase<DerivedV> & V, 
    const Eigen::MatrixBase<DerivedF> & F, 
    const MassMatrixType type,
    Eigen::SparseMatrix<Scalar>& M);
}
 
#ifndef IGL_STATIC_LIBRARY
#  include "massmatrix.cpp"
#endif
 
#endif