[Commit-gnuradio] r9533 - gnuradio/trunk/gnuradio-core/src/lib/general

[eb]

Author: eb
Date: 2008-09-08 09:37:55 -0600 (Mon, 08 Sep 2008)
New Revision: 9533

Modified:
   gnuradio/trunk/gnuradio-core/src/lib/general/gri_lfsr.h
Log:
added pre_shift method to gri_lfsr

Modified: gnuradio/trunk/gnuradio-core/src/lib/general/gri_lfsr.h
===================================================================
--- gnuradio/trunk/gnuradio-core/src/lib/general/gri_lfsr.h     2008-09-08 
13:04:22 UTC (rev 9532)
+++ gnuradio/trunk/gnuradio-core/src/lib/general/gri_lfsr.h     2008-09-08 
15:37:55 UTC (rev 9533)
@@ -98,6 +98,16 @@
     return bit;
   }
 
+  /*!
+   * Rotate the register through x number of bits
+   * where we are just throwing away the results to get queued up correctly
+   */
+  void pre_shift(int num){
+    for(int i=0; i<num; i++){
+      next_bit();
+    }
+  }
+
   int mask() const { return d_mask; }
 };