text: #ifndef IGL_EARS_H
  #define IGL_EARS_H
  #include "igl_inline.h"
  #include <Eigen/Core>
  namespace igl
  {
    // FIND_EARS  Find all ears (faces with two boundary edges) in a given mesh
    // 
    // [ears,ear_opp] = find_ears(F)
    //
    // Inputs:
    //   F  #F by 3 list of triangle mesh indices
    // Outputs:
    //   ears  #ears list of indices into F of ears
    //   ear_opp  #ears list of indices indicating which edge is non-boundary
    //     (connecting to flops)
    // 
    template <
      typename DerivedF,
      typename Derivedear,
      typename Derivedear_opp>
    IGL_INLINE void ears(
      const Eigen::MatrixBase<DerivedF> & F,
      Eigen::PlainObjectBase<Derivedear> & ear,
      Eigen::PlainObjectBase<Derivedear_opp> & ear_opp);
  }
  #ifndef IGL_STATIC_LIBRARY
  #  include "ears.cpp"
  #endif
  #endif
  