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| template<typename DerivedV , typename DerivedF , typename DerivedFN , typename DerivedN , typename DerivedE , typename DerivedEMAP >  | 
| void  | igl::per_edge_normals (const Eigen::MatrixBase< DerivedV > &V, const Eigen::MatrixBase< DerivedF > &F, const PerEdgeNormalsWeightingType weight, const Eigen::MatrixBase< DerivedFN > &FN, Eigen::PlainObjectBase< DerivedN > &N, Eigen::PlainObjectBase< DerivedE > &E, Eigen::PlainObjectBase< DerivedEMAP > &EMAP) | 
|   | Compute face normals via vertex position list, face list.  
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| template<typename DerivedV , typename DerivedF , typename DerivedN , typename DerivedE , typename DerivedEMAP >  | 
| void  | igl::per_edge_normals (const Eigen::MatrixBase< DerivedV > &V, const Eigen::MatrixBase< DerivedF > &F, const PerEdgeNormalsWeightingType weight, Eigen::PlainObjectBase< DerivedN > &N, Eigen::PlainObjectBase< DerivedE > &E, Eigen::PlainObjectBase< DerivedEMAP > &EMAP) | 
|   | This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.  
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|   | 
| template<typename DerivedV , typename DerivedF , typename DerivedN , typename DerivedE , typename DerivedEMAP >  | 
| void  | igl::per_edge_normals (const Eigen::MatrixBase< DerivedV > &V, const Eigen::MatrixBase< DerivedF > &F, Eigen::PlainObjectBase< DerivedN > &N, Eigen::PlainObjectBase< DerivedE > &E, Eigen::PlainObjectBase< DerivedEMAP > &EMAP) | 
|   | This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.  
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