/*
 * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The OpenAirInterface Software Alliance licenses this file to You under
 * the OAI Public License, Version 1.1  (the "License"); you may not use this file
 * except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.openairinterface.org/?page_id=698
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *-------------------------------------------------------------------------------
 * For more information about the OpenAirInterface (OAI) Software Alliance:
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 */

/*!\file PHY/CODING/nrSmallBlock/encodeSmallBlock.c
 * \brief
 * \author Turker Yilmaz
 * \date 2019
 * \version 0.1
 * \company EURECOM
 * \email turker.yilmaz@eurecom.fr
 * \note
 * \warning
*/

#include "PHY/CODING/nrSmallBlock/nr_small_block_defs.h"

//input = [0 ... 0 c_K-1 ... c_2 c_1 c_0]
//output = [d_31 d_30 ... d_2 d_1 d_0]
uint32_t encodeSmallBlock(int in, int len)
{
  uint32_t out = 0;
  for (int i = 0; i < len; i++)
    if ((in & (1 << i)) > 0)
      out ^= nrSmallBlockBasis[i];

  return out;
}