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diff --git a/gr-blocks/lib/packed_to_unpacked_XX_impl.cc.t b/gr-blocks/lib/packed_to_unpacked_XX_impl.cc.t
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+/* -*- c++ -*- */
+/*
+ * Copyright 2004,2013 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.
+ */
+
+// @WARNING@
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "@NAME_IMPL@.h"
+#include <gr_io_signature.h>
+#include <blocks/log2_const.h>
+#include <assert.h>
+
+namespace gr {
+ namespace blocks {
+
+ static const unsigned int BITS_PER_TYPE = sizeof(@I_TYPE@) * 8;
+ static const unsigned int LOG2_L_TYPE = log2_const<sizeof(@I_TYPE@) * 8>();
+
+ @NAME@::sptr
+ @NAME@::make(unsigned int bits_per_chunk,
+ gr_endianness_t endianness)
+ {
+ return gnuradio::get_initial_sptr
+ (new @NAME_IMPL@(bits_per_chunk, endianness));
+ }
+
+ @NAME_IMPL@::@NAME_IMPL@(unsigned int bits_per_chunk,
+ gr_endianness_t endianness)
+ : gr_block("@NAME@",
+ gr_make_io_signature(1, -1, sizeof(@I_TYPE@)),
+ gr_make_io_signature(1, -1, sizeof(@O_TYPE@))),
+ d_bits_per_chunk(bits_per_chunk), d_endianness(endianness), d_index(0)
+ {
+ assert(bits_per_chunk <= BITS_PER_TYPE);
+ assert(bits_per_chunk > 0);
+
+ set_relative_rate((1.0 * BITS_PER_TYPE) / bits_per_chunk);
+ }
+
+ @NAME_IMPL@::~@NAME_IMPL@()
+ {
+ }
+
+ void
+ @NAME_IMPL@::forecast(int noutput_items,
+ gr_vector_int &ninput_items_required)
+ {
+ int input_required = (int)ceil((d_index + noutput_items * d_bits_per_chunk)
+ / (1.0 * BITS_PER_TYPE));
+ unsigned ninputs = ninput_items_required.size();
+ for(unsigned int i = 0; i < ninputs; i++) {
+ ninput_items_required[i] = input_required;
+ //printf("Forecast wants %d needs %d\n",noutput_items,ninput_items_required[i]);
+ }
+ }
+
+ unsigned int
+ get_bit_le(const @I_TYPE@ *in_vector, unsigned int bit_addr)
+ {
+ @I_TYPE@ x = in_vector[bit_addr >> LOG2_L_TYPE];
+ return (x >> (bit_addr & (BITS_PER_TYPE-1))) & 1;
+ }
+
+ unsigned int
+ get_bit_be(const @I_TYPE@ *in_vector, unsigned int bit_addr)
+ {
+ @I_TYPE@ x = in_vector[bit_addr >> LOG2_L_TYPE];
+ return (x >> ((BITS_PER_TYPE-1) - (bit_addr & (BITS_PER_TYPE-1)))) & 1;
+ }
+
+ int
+ @NAME_IMPL@::general_work(int noutput_items,
+ gr_vector_int &ninput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items)
+ {
+ unsigned int index_tmp = d_index;
+
+ assert(input_items.size() == output_items.size());
+ int nstreams = input_items.size();
+
+ for (int m=0; m < nstreams; m++){
+ const @I_TYPE@ *in = (@I_TYPE@ *)input_items[m];
+ @O_TYPE@ *out = (@O_TYPE@ *)output_items[m];
+ index_tmp = d_index;
+
+ // per stream processing
+
+ switch(d_endianness) {
+ case GR_MSB_FIRST:
+ for(int i = 0; i < noutput_items; i++) {
+ //printf("here msb %d\n",i);
+ @O_TYPE@ x = 0;
+ for(unsigned int j = 0; j < d_bits_per_chunk; j++, index_tmp++)
+ x = (x<<1) | get_bit_be(in, index_tmp);
+ out[i] = x;
+ }
+ break;
+
+ case GR_LSB_FIRST:
+ for(int i = 0; i < noutput_items; i++) {
+ //printf("here lsb %d\n",i);
+ @O_TYPE@ x = 0;
+ for(unsigned int j = 0; j < d_bits_per_chunk; j++, index_tmp++)
+ x = (x<<1) | get_bit_le(in, index_tmp);
+ out[i] = x;
+ }
+ break;
+
+ default:
+ assert(0);
+ }
+
+ //printf("almost got to end\n");
+ assert(ninput_items[m] >= (int)((d_index+(BITS_PER_TYPE-1)) >> LOG2_L_TYPE));
+ }
+
+ d_index = index_tmp;
+ consume_each(d_index >> LOG2_L_TYPE);
+ d_index = d_index & (BITS_PER_TYPE-1);
+ //printf("got to end\n");
+ return noutput_items;
+ }
+
+ } /* namespace blocks */
+} /* namespace gr */