Imported Upstream version 3.2.2

[debian/gnuradio] / gnuradio-core / src / lib / filter / gr_fractional_interpolator.cc

diff --git a/gnuradio-core/src/lib/filter/gr_fractional_interpolator.cc b/gnuradio-core/src/lib/filter/gr_fractional_interpolator.cc
deleted file mode 100644 (file)
index 9166fcf..0000000
--- a/gnuradio-core/src/lib/filter/gr_fractional_interpolator.cc
+++ /dev/null
@@ -1,97 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2004 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 <gr_io_signature.h>
-#include <gr_fractional_interpolator.h>
-#include <gri_mmse_fir_interpolator.h>
-#include <stdexcept>
-
-// Public constructor
-gr_fractional_interpolator_sptr gr_make_fractional_interpolator(float phase_shift, float interp_ratio)
-{
-  return gr_fractional_interpolator_sptr(new gr_fractional_interpolator(phase_shift, interp_ratio));
-}
-
-gr_fractional_interpolator::gr_fractional_interpolator(float phase_shift, float interp_ratio)
-  : gr_block ("fractional_interpolator",
-             gr_make_io_signature (1, 1, sizeof (float)),
-             gr_make_io_signature (1, 1, sizeof (float))),
-    d_mu (phase_shift), d_mu_inc (interp_ratio), d_interp()
-{
-  if (interp_ratio <=  0)
-    throw std::out_of_range ("interpolation ratio must be > 0");
-  if (phase_shift <  0  || phase_shift > 1)
-    throw std::out_of_range ("phase shift ratio must be > 0 and < 1");
-
-  set_relative_rate (1.0 / interp_ratio);
-}
-
-gr_fractional_interpolator::~gr_fractional_interpolator()
-{
-    delete d_interp;
-}
-
-void
-gr_fractional_interpolator::forecast(int noutput_items, gr_vector_int &ninput_items_required)
-{
-  unsigned ninputs = ninput_items_required.size();
-  for (unsigned i=0; i < ninputs; i++)
-
-    ninput_items_required[i] =
-      (int) ceil((noutput_items * d_mu_inc) + d_interp->ntaps());
-}
-
-int
-gr_fractional_interpolator::general_work(int noutput_items,
-                                        gr_vector_int &ninput_items,
-                                        gr_vector_const_void_star &input_items,
-                                        gr_vector_void_star &output_items)
-{
-  const float *in = (const float *) input_items[0];
-  float *out = (float *) output_items[0];
-
-  int  ii = 0;                         // input index
-  int          oo = 0;                         // output index
-
-  while (oo < noutput_items){
-
-    // produce output sample
-
-    out[oo++] = d_interp->interpolate(&in[ii], d_mu);
-
-    //  printf( "%4d %9.6f\n", ii, d_mu);
-
-    double s = d_mu + d_mu_inc;
-    double f = floor (s);
-    int incr = (int) f;
-    d_mu = s - f;
-    ii += incr;
-  }
-
-  consume_each (ii);
-
-  return noutput_items;
-}