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diff --git a/src/ceph/src/crush/CrushWrapper.i b/src/ceph/src/crush/CrushWrapper.i
new file mode 100644
index 0000000..7634061
--- /dev/null
+++ b/src/ceph/src/crush/CrushWrapper.i
@@ -0,0 +1,47 @@
+/* File : CrushWrapper.i */
+%module CrushWrapper
+%{
+#include "CrushWrapper.h"
+%}
+
+%include typemaps.i
+
+// This tells SWIG to treat 'int *data' as a special case
+%typemap(in) int *items {
+  AV *tempav;
+  I32 len;
+  int i;
+  SV **tv;
+//  int view;
+
+
+  //printf("typemap\n");
+
+  if (!SvROK($input))
+	croak("$input is not a reference.");
+  if (SvTYPE(SvRV($input)) != SVt_PVAV)
+	croak("$input is not an array.");
+
+  tempav = (AV*)SvRV($input);
+  len = av_len(tempav);
+  //printf("typemap len: %i\n",len);
+  $1 = (int *) malloc((len+1)*sizeof(int));
+  for (i = 0; i <= len; i++) {
+	tv = av_fetch(tempav, i, 0);
+	$1[i] = (int) SvIV(*tv);
+    
+	/*
+	  view = SvIV(*tv);
+	  printf("view: %d",view);
+	  printf("\n");
+	*/
+  }
+}
+
+%apply int *items { int *weights };
+%apply double *OUTPUT { double *min, double *max, double *avg };
+
+/* Let's just grab the original header file here */
+%include "CrushWrapper.h"      
+
+%clear double *min, double *max, double *avg;