add simple test, and mv permutation test, update README

permutation_test/src/coordinate/coordinate.h

@@ -0,0 +1,21 @@
+#ifndef __COORDINATE_C__H__
+#define __COORDINATE_C__H__
+
+#include "dimension/dimension.h"
+
+
+struct coordinate
+{
+  size_t lin_coo;
+  unsigned int *coord;
+  struct dimension *dimension;
+};
+
+typedef coordinate coordinate;
+
+void LinearToCoord(struct coordinate *coor);
+void CoordToLinear(struct coordinate *coor);
+
+
+
+#endif