fix templating

Former-commit-id: 0755ae683e90539be5616aa1e2c3ac2894f6e24c

include/igl/triangle_triangle_adjacency.cpp

@@ -14,7 +14,7 @@
 // Extract the face adjacencies
 template <typename DerivedF, typename TTT_type, typename DerivedTT>
 IGL_INLINE void igl::triangle_triangle_adjacency_extractTT(
-  const Eigen::PlainObjectBase<DerivedF>& F,
+  const Eigen::MatrixBase<DerivedF>& F,
   std::vector<std::vector<TTT_type> >& TTT,
   Eigen::PlainObjectBase<DerivedTT>& TT)
 {
@@ -34,7 +34,7 @@ IGL_INLINE void igl::triangle_triangle_adjacency_extractTT(
 
 template <typename DerivedF, typename DerivedTT>
 IGL_INLINE void igl::triangle_triangle_adjacency(
-  const Eigen::PlainObjectBase<DerivedF>& F,
+  const Eigen::MatrixBase<DerivedF>& F,
   Eigen::PlainObjectBase<DerivedTT>& TT)
 {
   DerivedTT TTi;
@@ -43,7 +43,7 @@ IGL_INLINE void igl::triangle_triangle_adjacency(
 
 template <typename DerivedF, typename TTT_type>
 IGL_INLINE void igl::triangle_triangle_adjacency_preprocess(
-  const Eigen::PlainObjectBase<DerivedF>& F,
+  const Eigen::MatrixBase<DerivedF>& F,
   std::vector<std::vector<TTT_type> >& TTT)
 {
   for(int f=0;f<F.rows();++f)
@@ -64,7 +64,7 @@ IGL_INLINE void igl::triangle_triangle_adjacency_preprocess(
 // Extract the face adjacencies indices (needed for fast traversal)
 template <typename DerivedF, typename TTT_type, typename DerivedTTi>
 IGL_INLINE void igl::triangle_triangle_adjacency_extractTTi(
-  const Eigen::PlainObjectBase<DerivedF>& F,
+  const Eigen::MatrixBase<DerivedF>& F,
   std::vector<std::vector<TTT_type> >& TTT,
   Eigen::PlainObjectBase<DerivedTTi>& TTi)
 {
@@ -85,7 +85,7 @@ IGL_INLINE void igl::triangle_triangle_adjacency_extractTTi(
 // Compute triangle-triangle adjacency with indices
 template <typename DerivedF, typename DerivedTT, typename DerivedTTi>
 IGL_INLINE void igl::triangle_triangle_adjacency(
-  const Eigen::PlainObjectBase<DerivedF>& F,
+  const Eigen::MatrixBase<DerivedF>& F,
   Eigen::PlainObjectBase<DerivedTT>& TT,
   Eigen::PlainObjectBase<DerivedTTi>& TTi)
 {
@@ -100,7 +100,7 @@ template <
   typename TTIndex,
   typename TTiIndex>
   IGL_INLINE void igl::triangle_triangle_adjacency(
-    const Eigen::PlainObjectBase<DerivedF> & F,
+    const Eigen::MatrixBase<DerivedF> & F,
     std::vector<std::vector<std::vector<TTIndex> > > & TT,
     std::vector<std::vector<std::vector<TTiIndex> > > & TTi)
 {
@@ -111,7 +111,7 @@ template <
   typename DerivedF,
   typename TTIndex>
   IGL_INLINE void igl::triangle_triangle_adjacency(
-    const Eigen::PlainObjectBase<DerivedF> & F,
+    const Eigen::MatrixBase<DerivedF> & F,
     std::vector<std::vector<std::vector<TTIndex> > > & TT)
 {
   std::vector<std::vector<std::vector<TTIndex> > > not_used;
@@ -123,7 +123,7 @@ template <
   typename TTIndex,
   typename TTiIndex>
   IGL_INLINE void igl::triangle_triangle_adjacency(
-    const Eigen::PlainObjectBase<DerivedF> & F,
+    const Eigen::MatrixBase<DerivedF> & F,
     const bool construct_TTi,
     std::vector<std::vector<std::vector<TTIndex> > > & TT,
     std::vector<std::vector<std::vector<TTiIndex> > > & TTi)
@@ -149,8 +149,8 @@ template <
   typename TTIndex,
   typename TTiIndex>
   IGL_INLINE void igl::triangle_triangle_adjacency(
-    const Eigen::PlainObjectBase<DerivedE> & E,
-    const Eigen::PlainObjectBase<DerivedEMAP> & EMAP,
+    const Eigen::MatrixBase<DerivedE> & E,
+    const Eigen::MatrixBase<DerivedEMAP> & EMAP,
     const std::vector<std::vector<uE2EType> > & uE2E,
     const bool construct_TTi,
     std::vector<std::vector<std::vector<TTIndex> > > & TT,
@@ -206,21 +206,21 @@ template <
 #ifdef IGL_STATIC_LIBRARY
 // Explicit template instantiation
 // generated by autoexplicit.sh
-template void igl::triangle_triangle_adjacency<Eigen::Matrix<int, -1, 3, 0, -1, 3>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1> >(Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 3, 0, -1, 3> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> >&);
+template void igl::triangle_triangle_adjacency<Eigen::Matrix<int, -1, 3, 0, -1, 3>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1> >(Eigen::MatrixBase<Eigen::Matrix<int, -1, 3, 0, -1, 3> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> >&);
 // generated by autoexplicit.sh
-template void igl::triangle_triangle_adjacency<Eigen::Matrix<int, -1, 3, 0, -1, 3>, int>(Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 3, 0, -1, 3> > const&, std::vector<std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > >, std::allocator<std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > > > >&);
+template void igl::triangle_triangle_adjacency<Eigen::Matrix<int, -1, 3, 0, -1, 3>, int>(Eigen::MatrixBase<Eigen::Matrix<int, -1, 3, 0, -1, 3> > const&, std::vector<std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > >, std::allocator<std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > > > >&);
 // generated by autoexplicit.sh
-template void igl::triangle_triangle_adjacency<Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1> >(Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> >&);
+template void igl::triangle_triangle_adjacency<Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1> >(Eigen::MatrixBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> >&);
 // generated by autoexplicit.sh
-template void igl::triangle_triangle_adjacency<Eigen::Matrix<int, -1, 3, 0, -1, 3>, Eigen::Matrix<int, -1, 3, 0, -1, 3> >(Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 3, 0, -1, 3> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 3, 0, -1, 3> >&);
-template void igl::triangle_triangle_adjacency<Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1> >(Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> >&);
-template void igl::triangle_triangle_adjacency<Eigen::Matrix<int, -1, 2, 0, -1, 2>, Eigen::Matrix<long, -1, 1, 0, -1, 1>, long, long, long>(Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 2, 0, -1, 2> > const&, Eigen::PlainObjectBase<Eigen::Matrix<long, -1, 1, 0, -1, 1> > const&, std::vector<std::vector<long, std::allocator<long> >, std::allocator<std::vector<long, std::allocator<long> > > > const&, bool, std::vector<std::vector<std::vector<long, std::allocator<long> >, std::allocator<std::vector<long, std::allocator<long> > > >, std::allocator<std::vector<std::vector<long, std::allocator<long> >, std::allocator<std::vector<long, std::allocator<long> > > > > >&, std::vector<std::vector<std::vector<long, std::allocator<long> >, std::allocator<std::vector<long, std::allocator<long> > > >, std::allocator<std::vector<std::vector<long, std::allocator<long> >, std::allocator<std::vector<long, std::allocator<long> > > > > >&);
-template void igl::triangle_triangle_adjacency<Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, 1, 0, -1, 1>, unsigned long, int, int>(Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 1, 0, -1, 1> > const&, std::vector<std::vector<unsigned long, std::allocator<unsigned long> >, std::allocator<std::vector<unsigned long, std::allocator<unsigned long> > > > const&, bool, std::vector<std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > >, std::allocator<std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > > > >&, std::vector<std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > >, std::allocator<std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > > > >&);
-template void igl::triangle_triangle_adjacency<Eigen::Matrix<int, -1, 3, 0, -1, 3>, Eigen::Matrix<int, -1, 3, 0, -1, 3>, Eigen::Matrix<int, -1, 3, 0, -1, 3> >(Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 3, 0, -1, 3> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 3, 0, -1, 3> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 3, 0, -1, 3> >&);
-template void igl::triangle_triangle_adjacency<Eigen::Matrix<int, -1, -1, 0, -1, -1>, long, long>(Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, std::vector<std::vector<std::vector<long, std::allocator<long> >, std::allocator<std::vector<long, std::allocator<long> > > >, std::allocator<std::vector<std::vector<long, std::allocator<long> >, std::allocator<std::vector<long, std::allocator<long> > > > > >&, std::vector<std::vector<std::vector<long, std::allocator<long> >, std::allocator<std::vector<long, std::allocator<long> > > >, std::allocator<std::vector<std::vector<long, std::allocator<long> >, std::allocator<std::vector<long, std::allocator<long> > > > > >&);
-template void igl::triangle_triangle_adjacency<Eigen::Matrix<int, -1, -1, 0, -1, -1>, int>(Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, std::vector<std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > >, std::allocator<std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > > > >&);
+template void igl::triangle_triangle_adjacency<Eigen::Matrix<int, -1, 3, 0, -1, 3>, Eigen::Matrix<int, -1, 3, 0, -1, 3> >(Eigen::MatrixBase<Eigen::Matrix<int, -1, 3, 0, -1, 3> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 3, 0, -1, 3> >&);
+template void igl::triangle_triangle_adjacency<Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1> >(Eigen::MatrixBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> >&);
+template void igl::triangle_triangle_adjacency<Eigen::Matrix<int, -1, 3, 0, -1, 3>, Eigen::Matrix<int, -1, 3, 0, -1, 3>, Eigen::Matrix<int, -1, 3, 0, -1, 3> >(Eigen::MatrixBase<Eigen::Matrix<int, -1, 3, 0, -1, 3> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 3, 0, -1, 3> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 3, 0, -1, 3> >&);
+template void igl::triangle_triangle_adjacency<Eigen::Matrix<int, -1, -1, 0, -1, -1>, long, long>(Eigen::MatrixBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, std::vector<std::vector<std::vector<long, std::allocator<long> >, std::allocator<std::vector<long, std::allocator<long> > > >, std::allocator<std::vector<std::vector<long, std::allocator<long> >, std::allocator<std::vector<long, std::allocator<long> > > > > >&, std::vector<std::vector<std::vector<long, std::allocator<long> >, std::allocator<std::vector<long, std::allocator<long> > > >, std::allocator<std::vector<std::vector<long, std::allocator<long> >, std::allocator<std::vector<long, std::allocator<long> > > > > >&);
+template void igl::triangle_triangle_adjacency<Eigen::Matrix<int, -1, -1, 0, -1, -1>, int>(Eigen::MatrixBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, std::vector<std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > >, std::allocator<std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > > > >&);
 #ifdef WIN32
-template void igl::triangle_triangle_adjacency<class Eigen::Matrix<int, -1, -1, 0, -1, -1>, __int64, __int64>(class Eigen::PlainObjectBase<class Eigen::Matrix<int, -1, -1, 0, -1, -1>> const &, class std::vector<class std::vector<class std::vector<__int64, class std::allocator<__int64>>, class std::allocator<class std::vector<__int64, class std::allocator<__int64>>>>, class std::allocator<class std::vector<class std::vector<__int64, class std::allocator<__int64>>, class std::allocator<class std::vector<__int64, class std::allocator<__int64>>>>>> &, class std::vector<class std::vector<class std::vector<__int64, class std::allocator<__int64>>, class std::allocator<class std::vector<__int64, class std::allocator<__int64>>>>, class std::allocator<class std::vector<class std::vector<__int64, class std::allocator<__int64>>, class std::allocator<class std::vector<__int64, class std::allocator<__int64>>>>>> &);
-template void igl::triangle_triangle_adjacency<class Eigen::Matrix<int, -1, -1, 0, -1, -1>, class Eigen::Matrix<int, -1, 1, 0, -1, 1>, unsigned __int64, int, int>(class Eigen::PlainObjectBase<class Eigen::Matrix<int, -1, -1, 0, -1, -1>> const &, class Eigen::PlainObjectBase<class Eigen::Matrix<int, -1, 1, 0, -1, 1>> const &, class std::vector<class std::vector<unsigned __int64, class std::allocator<unsigned __int64>>, class std::allocator<class std::vector<unsigned __int64, class std::allocator<unsigned __int64>>>> const &, bool, class std::vector<class std::vector<class std::vector<int, class std::allocator<int>>, class std::allocator<class std::vector<int, class std::allocator<int>>>>, class std::allocator<class std::vector<class std::vector<int, class std::allocator<int>>, class std::allocator<class std::vector<int, class std::allocator<int>>>>>> &, class std::vector<class std::vector<class std::vector<int, class std::allocator<int>>, class std::allocator<class std::vector<int, class std::allocator<int>>>>, class std::allocator<class std::vector<class std::vector<int, class std::allocator<int>>, class std::allocator<class std::vector<int, class std::allocator<int>>>>>> &);
+template void igl::triangle_triangle_adjacency<class Eigen::Matrix<int, -1, -1, 0, -1, -1>, __int64, __int64>(class Eigen::MatrixBase<class Eigen::Matrix<int, -1, -1, 0, -1, -1>> const &, class std::vector<class std::vector<class std::vector<__int64, class std::allocator<__int64>>, class std::allocator<class std::vector<__int64, class std::allocator<__int64>>>>, class std::allocator<class std::vector<class std::vector<__int64, class std::allocator<__int64>>, class std::allocator<class std::vector<__int64, class std::allocator<__int64>>>>>> &, class std::vector<class std::vector<class std::vector<__int64, class std::allocator<__int64>>, class std::allocator<class std::vector<__int64, class std::allocator<__int64>>>>, class std::allocator<class std::vector<class std::vector<__int64, class std::allocator<__int64>>, class std::allocator<class std::vector<__int64, class std::allocator<__int64>>>>>> &);
+template void igl::triangle_triangle_adjacency<class Eigen::Matrix<int, -1, -1, 0, -1, -1>, class Eigen::Matrix<int, -1, 1, 0, -1, 1>, unsigned __int64, int, int>(class Eigen::MatrixBase<class Eigen::Matrix<int, -1, -1, 0, -1, -1>> const &, class Eigen::MatrixBase<class Eigen::Matrix<int, -1, 1, 0, -1, 1>> const &, class std::vector<class std::vector<unsigned __int64, class std::allocator<unsigned __int64>>, class std::allocator<class std::vector<unsigned __int64, class std::allocator<unsigned __int64>>>> const &, bool, class std::vector<class std::vector<class std::vector<int, class std::allocator<int>>, class std::allocator<class std::vector<int, class std::allocator<int>>>>, class std::allocator<class std::vector<class std::vector<int, class std::allocator<int>>, class std::allocator<class std::vector<int, class std::allocator<int>>>>>> &, class std::vector<class std::vector<class std::vector<int, class std::allocator<int>>, class std::allocator<class std::vector<int, class std::allocator<int>>>>, class std::allocator<class std::vector<class std::vector<int, class std::allocator<int>>, class std::allocator<class std::vector<int, class std::allocator<int>>>>>> &);
 #endif
+template void igl::triangle_triangle_adjacency<Eigen::Matrix<int, -1, 2, 0, -1, 2>, Eigen::Matrix<long, -1, 1, 0, -1, 1>, long, long, long>(Eigen::MatrixBase<Eigen::Matrix<int, -1, 2, 0, -1, 2> > const&, Eigen::MatrixBase<Eigen::Matrix<long, -1, 1, 0, -1, 1> > const&, std::vector<std::vector<long, std::allocator<long> >, std::allocator<std::vector<long, std::allocator<long> > > > const&, bool, std::vector<std::vector<std::vector<long, std::allocator<long> >, std::allocator<std::vector<long, std::allocator<long> > > >, std::allocator<std::vector<std::vector<long, std::allocator<long> >, std::allocator<std::vector<long, std::allocator<long> > > > > >&, std::vector<std::vector<std::vector<long, std::allocator<long> >, std::allocator<std::vector<long, std::allocator<long> > > >, std::allocator<std::vector<std::vector<long, std::allocator<long> >, std::allocator<std::vector<long, std::allocator<long> > > > > >&);
+template void igl::triangle_triangle_adjacency<Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, 1, 0, -1, 1>, unsigned long, int, int>(Eigen::MatrixBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::MatrixBase<Eigen::Matrix<int, -1, 1, 0, -1, 1> > const&, std::vector<std::vector<unsigned long, std::allocator<unsigned long> >, std::allocator<std::vector<unsigned long, std::allocator<unsigned long> > > > const&, bool, std::vector<std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > >, std::allocator<std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > > > >&, std::vector<std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > >, std::allocator<std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > > > >&);
 #endif

include/igl/triangle_triangle_adjacency.h

@@ -28,28 +28,28 @@ namespace igl
   //       [2,3].  this convention is DIFFERENT from cotmatrix_entries.h
   template <typename DerivedF, typename DerivedTT, typename DerivedTTi>
   IGL_INLINE void triangle_triangle_adjacency(
-    const Eigen::PlainObjectBase<DerivedF>& F,
+    const Eigen::MatrixBase<DerivedF>& F,
     Eigen::PlainObjectBase<DerivedTT>& TT,
     Eigen::PlainObjectBase<DerivedTTi>& TTi);
   template <typename DerivedF, typename DerivedTT>
   IGL_INLINE void triangle_triangle_adjacency(
-    const Eigen::PlainObjectBase<DerivedF>& F,
+    const Eigen::MatrixBase<DerivedF>& F,
     Eigen::PlainObjectBase<DerivedTT>& TT);
   // Preprocessing
   template <typename DerivedF, typename TTT_type>
   IGL_INLINE void triangle_triangle_adjacency_preprocess(
-    const Eigen::PlainObjectBase<DerivedF>& F,
+    const Eigen::MatrixBase<DerivedF>& F,
     std::vector<std::vector<TTT_type> >& TTT);
   // Extract the face adjacencies
   template <typename DerivedF, typename TTT_type, typename DerivedTT>
   IGL_INLINE void triangle_triangle_adjacency_extractTT(
-    const Eigen::PlainObjectBase<DerivedF>& F,
+    const Eigen::MatrixBase<DerivedF>& F,
     std::vector<std::vector<TTT_type> >& TTT,
     Eigen::PlainObjectBase<DerivedTT>& TT);
   // Extract the face adjacencies indices (needed for fast traversal)
   template <typename DerivedF, typename TTT_type, typename DerivedTTi>
   IGL_INLINE void triangle_triangle_adjacency_extractTTi(
-    const Eigen::PlainObjectBase<DerivedF>& F,
+    const Eigen::MatrixBase<DerivedF>& F,
     std::vector<std::vector<TTT_type> >& TTT,
     Eigen::PlainObjectBase<DerivedTTi>& TTi);
   // Adjacency list version, which works with non-manifold meshes
@@ -68,12 +68,12 @@ namespace igl
     typename TTIndex, 
     typename TTiIndex>
     IGL_INLINE void triangle_triangle_adjacency(
-      const Eigen::PlainObjectBase<DerivedF> & F,
+      const Eigen::MatrixBase<DerivedF> & F,
       std::vector<std::vector<std::vector<TTIndex> > > & TT,
       std::vector<std::vector<std::vector<TTiIndex> > > & TTi);
   template < typename DerivedF, typename TTIndex>
     IGL_INLINE void triangle_triangle_adjacency(
-      const Eigen::PlainObjectBase<DerivedF> & F,
+      const Eigen::MatrixBase<DerivedF> & F,
       std::vector<std::vector<std::vector<TTIndex> > > & TT);
   // Wrapper with bool to choose whether to compute TTi (this prototype should
   // be "hidden").
@@ -82,7 +82,7 @@ namespace igl
     typename TTIndex, 
     typename TTiIndex>
     IGL_INLINE void triangle_triangle_adjacency(
-      const Eigen::PlainObjectBase<DerivedF> & F,
+      const Eigen::MatrixBase<DerivedF> & F,
       const bool construct_TTi,
       std::vector<std::vector<std::vector<TTIndex> > > & TT,
       std::vector<std::vector<std::vector<TTiIndex> > > & TTi);
@@ -100,8 +100,8 @@ namespace igl
     typename TTIndex, 
     typename TTiIndex>
     IGL_INLINE void triangle_triangle_adjacency(
-      const Eigen::PlainObjectBase<DerivedE> & E,
-      const Eigen::PlainObjectBase<DerivedEMAP> & EMAP,
+      const Eigen::MatrixBase<DerivedE> & E,
+      const Eigen::MatrixBase<DerivedEMAP> & EMAP,
       const std::vector<std::vector<uE2EType > > & uE2E,
       const bool construct_TTi,
       std::vector<std::vector<std::vector<TTIndex> > > & TT,