enum for element types now has name and added seperat types for the

periodic elements.


git-svn-id: https://dune.mathematik.uni-freiburg.de/svn/alugrid/trunk@315 0d966ed9-3843-0410-af09-ebfb50bd7c74

src/alu3dgrid_serial.h

@@ -9,7 +9,7 @@
 
 namespace ALU3dGridSpace {
 
-typedef enum {hexa,tetra} grid_t;
+typedef enum ALUElementType { hexa , tetra , hexa_periodic , tetra_periodic } grid_t;
 
 struct GatherScatter;
 typedef GatherScatter GatherScatterType;