1 files changed, 0 insertions, 286 deletions
diff --git a/gr-atsc/lib/qa_atsci_single_viterbi.cc b/gr-atsc/lib/qa_atsci_single_viterbi.cc
deleted file mode 100644
index f813666c27..0000000000
--- a/gr-atsc/lib/qa_atsci_single_viterbi.cc
+++ /dev/null
@@ -1,286 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2002 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.
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <cppunit/TestAssert.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <gnuradio/atsc/single_viterbi_impl.h>
-#include "qa_atsci_single_viterbi.h"
-#include <gnuradio/random.h>
-#include <string.h>
-
-
-static const int NTRIALS     =   50;
-static const int MAXERRORS   =   10;
-static const int NN          =  200;
-
-static const int MAXDIBIT    = 3;
-
-static gr::random rndm;
-
-void
-qa_atsci_single_viterbi::encode_block (unsigned char *out, unsigned char *in,
-				      unsigned int n)
-{
-  for (unsigned int i = 0; i < n; i++) {
-    out[i] = encoder.encode(in[i]);
-  }
-}
-
-
-void
-qa_atsci_single_viterbi::decode_block (unsigned char *out, unsigned char *in,
-				      unsigned int n, float noise_factor)
-{
-  for (unsigned int i = 0; i < n; i++) {
-    out[i] = decoder.decode((2*in[i]-7) + noise () * noise_factor);
-  }
-}
-
-float
-qa_atsci_single_viterbi::noise ()
-{
-  return 2.0 * (rndm.ran1() - 0.5);	// uniformly (-1, 1)
-}
-
-void
-qa_atsci_single_viterbi::t0 ()
-{
-  static const int 			  blocklen = NN;
-  unsigned char		  in[blocklen];
-  unsigned char		  enc[blocklen];
-  unsigned char		  out[blocklen];
-  int			  decoder_errors = 0;
-  int			  delay = decoder.delay ();
-  int			  i;
-
-  // printf ("  Delay is %d.\n", delay);
-
-  srandom (27);		// reproducible sequence of "random" values
-
-  for (int nt = 0; nt < NTRIALS; nt++){
-
-    // load block with random data and encode
-
-    for (i = 0; i < (blocklen-delay); i++)
-      in[i] = random () & MAXDIBIT;
-    for (     ; i < blocklen; i++)
-      in[i] = 0;		/* To empty the delay buffers */
-
-    encoder.reset ();
-    encode_block (enc, in, blocklen);
-
-    decoder.reset ();
-
-    // decode the block
-    decode_block (out, enc, blocklen, 1.0);
-
-    // int offset = delay/4;
-    int offset = 2;
-    bool differs = (memcmp (in+offset,
-			    out+delay+offset, blocklen-(delay+offset)));
-
-    // initial values after reset are 0
-    for (i = 0; i < delay; i++){
-      if (out[i] != 0)
-	printf ("  initial output at %i is %X, not 0\n",
-		i, out[i]);
-    }
-
-    if (differs){
-      printf ("  incorrect data\n");
-
-      printf ("\n  Erroneous result dibits:");
-      for (int erri = 0; erri < (NN-delay); erri++) {
-	if (in[erri] != out[erri+delay])
-	  printf (" %d", erri);
-      }
-      printf ("\n  In:  ");
-      for (int erri = 0; erri < (NN-delay); erri++) {
-	printf (" %d", in[erri]);
-      }
-      printf ("\n  Out: ");
-      for (int erri = 0; erri < (NN-delay); erri++) {
-	printf (" %d", out[erri+delay]);
-      }
-      printf ("\n  Errs:");
-      for (int erri = 0; erri < (NN-delay); erri++) {
-	printf (" %c", (in[erri] != out[erri+delay])? '*': ' ');
-      }
-      printf ("\n    THIS IS A REAL PROBLEM.\n");
-      decoder_errors++;
-    }
-  }
-
-  printf ("  Summary: %d decoder errors out of %d trials.\n",
-	  decoder_errors, NTRIALS);
-
-  CPPUNIT_ASSERT (decoder_errors == 0);
-}
-
-void
-qa_atsci_single_viterbi::t1 ()
-{
-  static const int 			  blocklen = NN;
-  unsigned char		  in[blocklen];
-  unsigned char		  enc[blocklen];
-  unsigned char		  out[blocklen];
-  int			  errlocs[NN];
-  int			  errval;
-  int			  errloc;
-  int			  decoder_errors = 0;
-  int			  delay = decoder.delay ();
-  int			  i;
-
-  // printf ("  Delay is %d.\n", delay);
-
-  srandom (1);		// reproducible sequence of "random" values
-
-  for (int nt = 0; nt < NTRIALS; nt++){
-
-    // test up to the error correction capacity of the code
-    for (int errors = 0; errors <= MAXERRORS; errors++){
-
-      // load block with random data and encode
-
-      for (i = 0; i < (blocklen-delay); i++)
-	in[i] = random () & MAXDIBIT;
-      for (     ; i < blocklen; i++)
-	in[i] = 0;		/* To empty the delay buffers */
-
-      encoder.reset ();
-      encode_block (enc, in, blocklen);
-
-      // Now generate 0 to N errors in the encoded symbols.
-      //
-      //  If we restrict ourselves to damaging the low-order bit,
-      //  our decoder finds and fixes the vast majority of errors.
-      //
-      //  If we munge any or all of the three bits of the symbol,
-      //  our decoder frequently gets the wrong data even with a single
-      //  error.
-      //
-      //  Let's see what it can do with just the two low-order bits.
-      //
-      // ALSO:  Don't let any error be within 12 spots of another
-      //  error.  This simulates the muxed behavior.
-
-      memset (errlocs, 0, sizeof (errlocs));
-
-      for (int j = 0; j < errors; j++){
-
-	do {
-	  // errval = random () & 3;  // FIXME:  1;   // FIXME: MAXSYM;
-	  errval = random () & 1;  // FIXME:  1;   // FIXME: MAXSYM;
-	} while (errval == 0);	// error value must be non-zero
-
-	// Don't insert errors in the first delay slot, since we
-	// don't have valid history to correct them.  Also, don't
-	// insert burst errors (adjacent errors), or errors within 2,
-	// since we can't reliably correct them.  Also we must not choose
-	// the same location twice when inserting an error.
-
-	do {
-	  errloc = random () % NN;
-	} while (errloc < delay || errlocs[errloc] != 0
-		 || (errloc > 0 && errlocs[errloc-1] != 0)
-		 || (errloc > 1 && errlocs[errloc-2] != 0)
-		 || (errloc < (NN-1) && errlocs[errloc+1] != 0)
-		 || (errloc < (NN-2) && errlocs[errloc+2] != 0));
-
-	errlocs[errloc] = 1;
-
-	enc[errloc] ^= errval;		// cause the error
-      }
-
-      // decode the errored block
-      decoder.reset ();
-      decode_block (out, enc, blocklen, 0.5);
-
-      // int offset = delay/4;
-      int offset = 2;
-      bool differs = (memcmp (in+offset,
-			      out+delay+offset, blocklen-(delay+offset)));
-
-      // initial values after reset are 0
-      for (i = 0; i < delay; i++){
-	if (out[i] != 0)
-	  printf ("  initial output at %i is %X, not 0\n",
-		  i, out[i]);
-      }
-
-      if (differs){
-	printf ("  %2d errors introduced, %scorrect data\n",
-		 errors, differs? "in": "");
-
-	// FIXME, should we be able to tell how many errs too?
-        if (differs) {
-	  //const int ERRTOL = 12;		/* Or relate to delay? */
-	  int shouldfix = 1;
-	  //int lasti = -ERRTOL;
-
-	  printf (  "  Inserted errors:        ");
-	  for (int erri = 0; erri < NN; erri++) {
-	    if (errlocs[erri]) {
-	      printf (" %d", erri);
-	      // if (erri < lasti+ERRTOL)
-	      //   shouldfix = 0;
-	      //lasti = erri;
-	    }
-	  }
-	  printf ("\n  Erroneous result dibits:");
-	  for (int erri = 0; erri < (NN-delay); erri++) {
-	    if (in[erri] != out[erri+delay])
-	      printf (" %d", erri);
-	  }
-	  printf ("\n  In:  ");
-	  for (int erri = 0; erri < (NN-delay); erri++) {
-	      printf (" %d", in[erri]);
-	  }
-	  printf ("\n  Out: ");
-	  for (int erri = 0; erri < (NN-delay); erri++) {
-	      printf (" %d", out[erri+delay]);
-	  }
-	  printf ("\n  Errs:");
-	  for (int erri = 0; erri < (NN-delay); erri++) {
-	    printf (" %c", (in[erri] != out[erri+delay])? '*': ' ');
-	  }
-	  if (shouldfix)
-	    printf ("\n    THIS IS A REAL PROBLEM.\n");
-	  else
-	    printf ("\n    BUT THAT'S OK since errors are too close.\n");
-	  if (shouldfix)
-            decoder_errors++;
-	}
-      }
-    }
-  }
-
-  printf ("  Summary: %d decoder errors out of %d trials.\n",
-	  decoder_errors, (MAXERRORS*NTRIALS));
-
-  CPPUNIT_ASSERT (decoder_errors <= (MAXERRORS*NTRIALS) * .1);
-}