1 files changed, 0 insertions, 90 deletions
diff --git a/gr-atsc/lib/atsci_sliding_correlator.cc b/gr-atsc/lib/atsci_sliding_correlator.cc
deleted file mode 100644
index 1e0498931d..0000000000
--- a/gr-atsc/lib/atsci_sliding_correlator.cc
+++ /dev/null
@@ -1,90 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2002,2006 Free Software Foundation, Inc.
- *
- * This file is part of GNU Radio
- *
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
- *
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
- */
-
-#include <gnuradio/atsc/sliding_correlator_impl.h>
-#include <gnuradio/atsc/pnXXX_impl.h>
-
-// #define TRY_BACKWARDS
-
-/*
- * Return the number of 1's in v.
- * This magic code is explained wonderfully in the AMD Athlon
- * optimization guide, pg 136.
- */
-static inline int popcount32 (unsigned long v)
-{
-  unsigned long w = v - ((v >> 1) & 0x55555555);
-  unsigned long x = (w & 0x33333333) + ((w >> 2) & 0x33333333);
-  unsigned long y = (x + (x >> 4)) & 0x0f0f0f0f;
-  unsigned long z = (y * 0x01010101) >> 24;
-
-  return z;
-}
-
-atsci_sliding_correlator::atsci_sliding_correlator ()
-{
-#if defined(TRY_BACKWARDS)
-  for (int i = 511 - 1; i >= 0; i--)
-    mask.shift_in (atsc_pn511[i]);
-#else
-  for (unsigned i = 0; i < 511; i++)
-    mask.shift_in (atsc_pn511[i]);
-#endif
-
-  and_mask.shift_in (0);
-  for (int i = 0; i < 511; i++)
-    and_mask.shift_in (1);
-}
-
-/*
- * we shift in from the top of the register towards the bottom
- *
- * +-- bits enter here...
- * |
- * v
- * block 0 | block 1 | block 2 ... | block N-1
- *					     |
- *					     +--> ... and drop out here
- *
- */
-inline void
-atsci_sliding_correlator::shift_reg::shift_in (int bit)
-{
-  for (int i = NSRBLOCKS - 1; i > 0; i--)
-    d[i] = ((d[i-1] & 0x1) << (srblock_bitsize - 1)) | (d[i] >> 1);
-
-  d[0] = (((srblock) bit) << (srblock_bitsize - 1)) | (d[0] >> 1);
-}
-
-int
-atsci_sliding_correlator::input_bit (int bit)
-{
-  input.shift_in (bit);
-
-  // can probably get a win by unrolling the loop, if we need to.
-  int	count = 0;
-  for (int i = 0; i < NSRBLOCKS; i++)
-    count += popcount32 ((input.d[i] ^ mask.d[i]) & and_mask.d[i]);
-
-  return count;
-}
-