From 0734f8d84221be71b0f73d8bfbc1ab4f5bf3cc90 Mon Sep 17 00:00:00 2001
From: "Jostein R. Natvig" <jostein.r.natvig@sintef.no>
Date: Tue, 31 Aug 2010 14:09:05 +0000
Subject: [PATCH] Add copy of (proposed) grid structure.

---
 grid.h | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 grid.h

diff --git a/grid.h b/grid.h
new file mode 100644
index 00000000..24f72884
--- /dev/null
+++ b/grid.h
@@ -0,0 +1,45 @@
+#ifndef GRID_H_INCLUDED
+#define GRID_H_INCLUDED
+
+/*   GRID_TOPOLOGY and GRID_GEOMETRY must be at the beginning of every
+ *   grid type.  
+ *
+ *
+ */
+#define GRID_TOPOLOGY                           \
+   int    dimensions;                           \
+                                                \
+   int    number_of_cells;                      \
+   int    number_of_faces;                      \
+   int    number_of_nodes;                      \
+                                                \
+   int    *face_nodes;                          \
+   int    *face_nodepos;                        \
+   int    *face_cells;                          \
+                                                \
+   int    *cell_faces;                          \
+   int    *cell_facepos;                        \
+   
+#define GRID_GEOMETRY                           \
+   double *node_coordinates;                    \
+                                                \
+   double *face_centroids;                      \
+   double *face_areas;                          \
+   double *face_normals;                        \
+                                                \
+   double *cell_centroids;                      \
+   double *cell_volumes;                        \
+   
+   
+typedef struct {
+   GRID_TOPOLOGY
+   GRID_GEOMETRY
+} grid_t;
+
+
+void free_grid           (grid_t *g);
+void alloc_grid_geometry (grid_t *g);
+void print_grid_summary  (grid_t *g);
+
+
+#endif