Adding Crunch at r319.

third_party/crunch/crnlib/crn_zeng.h

@@ -0,0 +1,10 @@
+// File: crn_zeng.h
+// See Copyright Notice and license at the end of inc/crnlib.h
+
+namespace crnlib
+{
+   typedef float (*zeng_similarity_func)(uint index_a, uint index_b, void* pContext);
+   
+   void create_zeng_reorder_table(uint n, uint num_indices, const uint* pIndices, crnlib::vector<uint>& remap_table, zeng_similarity_func pFunc, void* pContext, float similarity_func_weight);
+   
+} // namespace crnlib