1 files changed, 52 insertions, 50 deletions
diff --git a/gr-fec/include/gnuradio/fec/polar_decoder_sc_systematic.h b/gr-fec/include/gnuradio/fec/polar_decoder_sc_systematic.h
index 36a0dc6ec4..5920fff616 100644
--- a/gr-fec/include/gnuradio/fec/polar_decoder_sc_systematic.h
+++ b/gr-fec/include/gnuradio/fec/polar_decoder_sc_systematic.h
@@ -1,19 +1,19 @@
 /* -*- c++ -*- */
-/* 
+/*
  * Copyright 2015 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,
@@ -28,55 +28,57 @@
 #include <gnuradio/fec/polar_decoder_common.h>
 
 namespace gr {
-  namespace fec {
-    namespace code {
+namespace fec {
+namespace code {
 
-      /*!
-       * \brief Standard systematic successive cancellation (SC) decoder for POLAR codes
-       *
-       * \details
-       * It expects float input with bits mapped 1 --> 1, 0 --> -1
-       * Or: f = 2.0 * bit - 1.0
-       *
-       * Systematic encoding indicates that the info bit values are present in the codeword.
-       * 'info_bit_positions' may be obtained by ordering all non frozen_bit_positions in increasing order.
-       * One may extract them at their positions after a bit reversal operation.
-       * encoder -> decoder chain would need additional bit-reversal after encoding + before decoding.
-       * This is unnecessary.
-       */
-    class FEC_API polar_decoder_sc_systematic : public polar_decoder_common
-    {
-    public:
-      /*!
-       * \param block_size codeword size. MUST be a power of 2.
-       * \param num_info_bits represents the number of information
-       *        bits in a block. Also called frame_size. <= block_size
-       * \param frozen_bit_positions is an integer vector which
-       *        defines the position of all frozen bits in a block.
-       *        Its size MUST be equal to block_size - num_info_bits.
-       *        Also it must be sorted and every position must only
-       *        occur once.
-       */
-      static generic_decoder::sptr make(int block_size, int num_info_bits,
-                                        std::vector<int> frozen_bit_positions);
+/*!
+ * \brief Standard systematic successive cancellation (SC) decoder for POLAR codes
+ *
+ * \details
+ * It expects float input with bits mapped 1 --> 1, 0 --> -1
+ * Or: f = 2.0 * bit - 1.0
+ *
+ * Systematic encoding indicates that the info bit values are present in the codeword.
+ * 'info_bit_positions' may be obtained by ordering all non frozen_bit_positions in
+ * increasing order. One may extract them at their positions after a bit reversal
+ * operation. encoder -> decoder chain would need additional bit-reversal after encoding +
+ * before decoding. This is unnecessary.
+ */
+class FEC_API polar_decoder_sc_systematic : public polar_decoder_common
+{
+public:
+    /*!
+     * \param block_size codeword size. MUST be a power of 2.
+     * \param num_info_bits represents the number of information
+     *        bits in a block. Also called frame_size. <= block_size
+     * \param frozen_bit_positions is an integer vector which
+     *        defines the position of all frozen bits in a block.
+     *        Its size MUST be equal to block_size - num_info_bits.
+     *        Also it must be sorted and every position must only
+     *        occur once.
+     */
+    static generic_decoder::sptr
+    make(int block_size, int num_info_bits, std::vector<int> frozen_bit_positions);
+
+    ~polar_decoder_sc_systematic();
 
-      ~polar_decoder_sc_systematic();
+    // FECAPI
+    void generic_work(void* in_buffer, void* out_buffer);
 
-      // FECAPI
-      void generic_work(void *in_buffer, void *out_buffer);
-    private:
-      polar_decoder_sc_systematic(int block_size, int num_info_bits, std::vector<int> frozen_bit_positions);
-      float* d_llr_vec;
-      unsigned char* d_u_hat_vec;
-      unsigned char* d_frame_vec;
-      unsigned char retrieve_bit_from_llr(float llr, const int pos);
-      void sc_decode(float* llrs, unsigned char* u);
-      void extract_info_bits_reversed(unsigned char* outbuf, const unsigned char* inbuf);
-    };
+private:
+    polar_decoder_sc_systematic(int block_size,
+                                int num_info_bits,
+                                std::vector<int> frozen_bit_positions);
+    float* d_llr_vec;
+    unsigned char* d_u_hat_vec;
+    unsigned char* d_frame_vec;
+    unsigned char retrieve_bit_from_llr(float llr, const int pos);
+    void sc_decode(float* llrs, unsigned char* u);
+    void extract_info_bits_reversed(unsigned char* outbuf, const unsigned char* inbuf);
+};
 
-    } /* namespace code */
-  } // namespace fec
+} /* namespace code */
+} // namespace fec
 } // namespace gr
 
 #endif /* INCLUDED_FEC_POLAR_DECODER_SC_SYSTEMATIC_H */
-