sum.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_SUM_H
#define IGL_SUM_H
#include "igl_inline.h"
#include <Eigen/Sparse>
 
namespace igl
{
  template <typename T>
  IGL_INLINE void sum(
    const Eigen::SparseMatrix<T>& X, 
    const int dim,
    Eigen::SparseVector<T>& S);
  template <typename AType, typename DerivedB>
  IGL_INLINE void sum(
    const Eigen::SparseMatrix<AType> & A, 
    const int dim,
    Eigen::PlainObjectBase<DerivedB>& B);
}
 
#ifndef IGL_STATIC_LIBRARY
#  include "sum.cpp"
#endif
 
#endif