#ifndef IGL_EDGES_H
#define IGL_EDGES_H
#include "igl_inline.h"

#include <Eigen/Dense>

namespace igl
{
  // Constructs a list of unique edges represented in a given mesh (V,F)
  // Templates:
  //   T  should be a eigen sparse matrix primitive type like int or double
  // Inputs:
  //   F  #F by 3 list of mesh faces (must be triangles)
  //   or
  //   T  #T x 4  matrix of indices of tet corners
  // Outputs:
  //   E #E by 2 list of edges in no particular order
  //
  // See also: adjacency_matrix
  IGL_INLINE void edges( const Eigen::MatrixXi& F, Eigen::MatrixXi& E);
}

#ifdef IGL_HEADER_ONLY
#  include "edges.cpp"
#endif

#endif