/*
 * 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:
 *      contact@openairinterface.org
 */

/*!\file nrLDPC_mPass.h
 * \brief Defines the functions for message passing
 * \author Sebastian Wagner (TCL Communications) Email: <mailto:sebastian.wagner@tcl.com>
 * \date 30-09-2019
 * \version 2.0
 * \note
 * \warning
 */

#ifndef __NR_LDPC_MPASS__H__
#define __NR_LDPC_MPASS__H__

#include <string.h>
#include "nrLDPC_defs.h"

/**
   \brief Circular memcpy
                |<- rem->|<- circular shift ->|
   (src) str2 = |--------xxxxxxxxxxxxxxxxxxxxx|
                         \_______________
                                         \
   (dst) str1 =     |xxxxxxxxxxxxxxxxxxxxx---------|
   \param str1 Pointer to the start of the destination buffer
   \param str2 Pointer to the source buffer
   \param Z Lifting size
   \param cshift Circular shift
*/
static inline void *nrLDPC_inv_circ_memcpy(int8_t *str1, const int8_t *str2, uint16_t Z, uint16_t cshift)
{
    uint16_t rem = Z - cshift;
    memcpy(str1+cshift, str2    , rem);
    memcpy(str1       , str2+rem, cshift);

    return(str1);
}

/**
   \brief Inverse circular memcpy
                |<- circular shift ->|<- rem->|
   (src) str2 = |xxxxxxxxxxxxxxxxxxxx\--------|
                                      \
   (dst) str1 =               |--------xxxxxxxxxxxxxxxxxxxxx|
   \param str1 Pointer to the start of the destination buffer
   \param str2 Pointer to the source buffer
   \param Z Lifting size
   \param cshift Circular shift
*/
static inline void *nrLDPC_circ_memcpy(int8_t *str1, const int8_t *str2, uint16_t Z, uint16_t cshift)
{
    uint16_t rem = Z - cshift;
    memcpy(str1     , str2+cshift, rem);
    memcpy(str1+rem , str2       , cshift);

    return(str1);
}

/**
   \brief Copies the input LLRs to their corresponding place in the LLR processing buffer.
   Example: BG2
             | 0| 0| LLRs -->                                    |
   BN Groups |22|23|10| 5| 5|14| 7|13| 6| 8| 9|16| 9|12|1|1|...|1|
              ^---------------------------------------/----     /
                            _________________________/    |    /
                           /  ____________________________|___/
                          /  /                            \
   LLR Proc Buffer (BNG) | 1| 5| 6| 7| 8| 9|10|12|13|14|16|22|23|
   Number BN in BNG(R15) |38| 2| 1| 1| 1| 2| 1| 1| 1| 1| 1| 1| 1|
   Idx:                  0  ^                             ^  ^
          38*384=14592 _____|   ...                       |  |
          50*384=19200 -----------------------------------   |
          51*384=19584 --------------------------------------

   \param p_lut Pointer to decoder LUTs
   \param llr Pointer to input LLRs
   \param p_procBuf Pointer the processing buffers
   \param Z Lifting size
   \param BG Base graph
*/
static inline void nrLDPC_llr2llrProcBuf(t_nrLDPC_lut* p_lut, int8_t* llr, t_nrLDPC_procBuf* p_procBuf, uint16_t Z, uint8_t BG)
{
    uint32_t i;
    const uint8_t numBn2CnG1 = p_lut->numBnInBnGroups[0];
    uint32_t startColParity = (BG ==1 ) ? (NR_LDPC_START_COL_PARITY_BG1) : (NR_LDPC_START_COL_PARITY_BG2);

    uint32_t colG1 = startColParity*Z;

    const uint16_t* lut_llr2llrProcBufAddr  = p_lut->llr2llrProcBufAddr;
    const uint8_t*  lut_llr2llrProcBufBnPos = p_lut->llr2llrProcBufBnPos;

    uint32_t idxBn;
    int8_t* llrProcBuf = p_procBuf->llrProcBuf;

    // Copy LLRs connected to 1 CN
    if (numBn2CnG1 > 0)
    {
        memcpy(&llrProcBuf[0], &llr[colG1], numBn2CnG1*Z);
    }

    // First 2 columns might be set to zero directly if it's true they always belong to the groups with highest number of connected CNs...
    for (i=0; i<startColParity; i++)
    {
        idxBn = lut_llr2llrProcBufAddr[i] + lut_llr2llrProcBufBnPos[i]*Z;
        memcpy(&llrProcBuf[idxBn], llr, Z);
        llr += Z;
    }
}

/**
   \brief Copies the input LLRs to their corresponding place in the CN processing buffer for BG1.
   \param p_lut Pointer to decoder LUTs
   \param llr Pointer to input LLRs
   \param p_procBuf Pointer to the processing buffers
   \param Z Lifting size
*/
static inline void nrLDPC_llr2CnProcBuf_BG1(t_nrLDPC_lut* p_lut, int8_t* llr, t_nrLDPC_procBuf* p_procBuf, uint16_t Z)
{
    const uint16_t (*lut_circShift_CNG3) [lut_numCnInCnGroups_BG1_R13[0]] = (uint16_t(*)[lut_numCnInCnGroups_BG1_R13[0]]) p_lut->circShift[0];
    const uint16_t (*lut_circShift_CNG4) [lut_numCnInCnGroups_BG1_R13[1]] = (uint16_t(*)[lut_numCnInCnGroups_BG1_R13[1]]) p_lut->circShift[1];
    const uint16_t (*lut_circShift_CNG5) [lut_numCnInCnGroups_BG1_R13[2]] = (uint16_t(*)[lut_numCnInCnGroups_BG1_R13[2]]) p_lut->circShift[2];
    const uint16_t (*lut_circShift_CNG6) [lut_numCnInCnGroups_BG1_R13[3]] = (uint16_t(*)[lut_numCnInCnGroups_BG1_R13[3]]) p_lut->circShift[3];
    const uint16_t (*lut_circShift_CNG7) [lut_numCnInCnGroups_BG1_R13[4]] = (uint16_t(*)[lut_numCnInCnGroups_BG1_R13[4]]) p_lut->circShift[4];
    const uint16_t (*lut_circShift_CNG8) [lut_numCnInCnGroups_BG1_R13[5]] = (uint16_t(*)[lut_numCnInCnGroups_BG1_R13[5]]) p_lut->circShift[5];
    const uint16_t (*lut_circShift_CNG9) [lut_numCnInCnGroups_BG1_R13[6]] = (uint16_t(*)[lut_numCnInCnGroups_BG1_R13[6]]) p_lut->circShift[6];
    const uint16_t (*lut_circShift_CNG10)[lut_numCnInCnGroups_BG1_R13[7]] = (uint16_t(*)[lut_numCnInCnGroups_BG1_R13[7]]) p_lut->circShift[7];
    const uint16_t (*lut_circShift_CNG19)[lut_numCnInCnGroups_BG1_R13[8]] = (uint16_t(*)[lut_numCnInCnGroups_BG1_R13[8]]) p_lut->circShift[8];

    const uint8_t (*lut_posBnInCnProcBuf_CNG3) [lut_numCnInCnGroups_BG1_R13[0]] = (uint8_t(*)[lut_numCnInCnGroups_BG1_R13[0]]) p_lut->posBnInCnProcBuf[0];
    const uint8_t (*lut_posBnInCnProcBuf_CNG4) [lut_numCnInCnGroups_BG1_R13[1]] = (uint8_t(*)[lut_numCnInCnGroups_BG1_R13[1]]) p_lut->posBnInCnProcBuf[1];
    const uint8_t (*lut_posBnInCnProcBuf_CNG5) [lut_numCnInCnGroups_BG1_R13[2]] = (uint8_t(*)[lut_numCnInCnGroups_BG1_R13[2]]) p_lut->posBnInCnProcBuf[2];
    const uint8_t (*lut_posBnInCnProcBuf_CNG6) [lut_numCnInCnGroups_BG1_R13[3]] = (uint8_t(*)[lut_numCnInCnGroups_BG1_R13[3]]) p_lut->posBnInCnProcBuf[3];
    const uint8_t (*lut_posBnInCnProcBuf_CNG7) [lut_numCnInCnGroups_BG1_R13[4]] = (uint8_t(*)[lut_numCnInCnGroups_BG1_R13[4]]) p_lut->posBnInCnProcBuf[4];
    const uint8_t (*lut_posBnInCnProcBuf_CNG8) [lut_numCnInCnGroups_BG1_R13[5]] = (uint8_t(*)[lut_numCnInCnGroups_BG1_R13[5]]) p_lut->posBnInCnProcBuf[5];
    const uint8_t (*lut_posBnInCnProcBuf_CNG9) [lut_numCnInCnGroups_BG1_R13[6]] = (uint8_t(*)[lut_numCnInCnGroups_BG1_R13[6]]) p_lut->posBnInCnProcBuf[6];
    const uint8_t (*lut_posBnInCnProcBuf_CNG10)[lut_numCnInCnGroups_BG1_R13[7]] = (uint8_t(*)[lut_numCnInCnGroups_BG1_R13[7]]) p_lut->posBnInCnProcBuf[7];
    const uint8_t (*lut_posBnInCnProcBuf_CNG19)[lut_numCnInCnGroups_BG1_R13[8]] = (uint8_t(*)[lut_numCnInCnGroups_BG1_R13[8]]) p_lut->posBnInCnProcBuf[8];

    const uint8_t*  lut_numCnInCnGroups = p_lut->numCnInCnGroups;
    const uint32_t* lut_startAddrCnGroups = p_lut->startAddrCnGroups;

    int8_t* cnProcBuf = p_procBuf->cnProcBuf;
    uint32_t i;
    uint32_t j;

    uint32_t idxBn = 0;
    int8_t* p_cnProcBuf;
    uint32_t bitOffsetInGroup;

    // =====================================================================
    // CN group with 3 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG1_R13[0]*NR_LDPC_ZMAX;

    for (j=0; j<3; j++)
    {
        p_cnProcBuf = &cnProcBuf[lut_startAddrCnGroups[0] + j*bitOffsetInGroup];

        idxBn = lut_posBnInCnProcBuf_CNG3[j][0]*Z;

        nrLDPC_circ_memcpy(p_cnProcBuf, &llr[idxBn], Z, lut_circShift_CNG3[j][0]);
    }

    // =====================================================================
    // CN group with 4 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG1_R13[1]*NR_LDPC_ZMAX;

    for (j=0; j<4; j++)
    {
        p_cnProcBuf = &cnProcBuf[lut_startAddrCnGroups[1] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[1]; i++)
        {
            idxBn = lut_posBnInCnProcBuf_CNG4[j][i]*Z;

            nrLDPC_circ_memcpy(p_cnProcBuf, &llr[idxBn], Z, lut_circShift_CNG4[j][i]);

            p_cnProcBuf += Z;
        }
    }

    // =====================================================================
    // CN group with 5 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG1_R13[2]*NR_LDPC_ZMAX;

    for (j=0; j<5; j++)
    {
        p_cnProcBuf = &cnProcBuf[lut_startAddrCnGroups[2] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[2]; i++)
        {
            idxBn = lut_posBnInCnProcBuf_CNG5[j][i]*Z;
            nrLDPC_circ_memcpy(p_cnProcBuf, &llr[idxBn], Z, lut_circShift_CNG5[j][i]);
            p_cnProcBuf += Z;
        }
    }

    // =====================================================================
    // CN group with 6 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG1_R13[3]*NR_LDPC_ZMAX;

    for (j=0; j<6; j++)
    {
        p_cnProcBuf = &cnProcBuf[lut_startAddrCnGroups[3] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[3]; i++)
        {
            idxBn = lut_posBnInCnProcBuf_CNG6[j][i]*Z;
            nrLDPC_circ_memcpy(p_cnProcBuf, &llr[idxBn], Z, lut_circShift_CNG6[j][i]);
            p_cnProcBuf += Z;
        }
    }

    // =====================================================================
    // CN group with 7 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG1_R13[4]*NR_LDPC_ZMAX;

    for (j=0; j<7; j++)
    {
        p_cnProcBuf = &cnProcBuf[lut_startAddrCnGroups[4] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[4]; i++)
        {
            idxBn = lut_posBnInCnProcBuf_CNG7[j][i]*Z;
            nrLDPC_circ_memcpy(p_cnProcBuf, &llr[idxBn], Z, lut_circShift_CNG7[j][i]);
            p_cnProcBuf += Z;
        }
    }

    // =====================================================================
    // CN group with 8 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG1_R13[5]*NR_LDPC_ZMAX;

    for (j=0; j<8; j++)
    {
        p_cnProcBuf = &cnProcBuf[lut_startAddrCnGroups[5] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[5]; i++)
        {
            idxBn = lut_posBnInCnProcBuf_CNG8[j][i]*Z;
            nrLDPC_circ_memcpy(p_cnProcBuf, &llr[idxBn], Z, lut_circShift_CNG8[j][i]);
            p_cnProcBuf += Z;
        }
    }

    // =====================================================================
    // CN group with 9 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG1_R13[6]*NR_LDPC_ZMAX;

    for (j=0; j<9; j++)
    {
        p_cnProcBuf = &cnProcBuf[lut_startAddrCnGroups[6] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[6]; i++)
        {
            idxBn = lut_posBnInCnProcBuf_CNG9[j][i]*Z;
            nrLDPC_circ_memcpy(p_cnProcBuf, &llr[idxBn], Z, lut_circShift_CNG9[j][i]);
            p_cnProcBuf += Z;
        }
    }

    // =====================================================================
    // CN group with 10 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG1_R13[7]*NR_LDPC_ZMAX;

    for (j=0; j<10; j++)
    {
        p_cnProcBuf = &cnProcBuf[lut_startAddrCnGroups[7] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[7]; i++)
        {
            idxBn = lut_posBnInCnProcBuf_CNG10[j][i]*Z;
            nrLDPC_circ_memcpy(p_cnProcBuf, &llr[idxBn], Z, lut_circShift_CNG10[j][i]);
            p_cnProcBuf += Z;
        }
    }

    // =====================================================================
    // CN group with 19 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG1_R13[8]*NR_LDPC_ZMAX;

    for (j=0; j<19; j++)
    {
        p_cnProcBuf = &cnProcBuf[lut_startAddrCnGroups[8] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[8]; i++)
        {
            idxBn = lut_posBnInCnProcBuf_CNG19[j][i]*Z;
            nrLDPC_circ_memcpy(p_cnProcBuf, &llr[idxBn], Z, lut_circShift_CNG19[j][i]);
            p_cnProcBuf += Z;
        }
    }

}

/**
   \brief Copies the input LLRs to their corresponding place in the CN processing buffer for BG2.
   Example: BG2
             | 0| 0| LLRs -->                                    |
   BN Groups |22|23|10| 5| 5|14| 7|13| 6| 8| 9|16| 9|12|1|1|...|1|


   CN Processing Buffer (CNGs) | 3| 4| 5| 6| 8|10|
   Number of CN per CNG (R15)  | 6|20| 9| 3| 2| 2|
                               0  ^     ^\  \
            3*6*384=6912 _________|     ||   \_____________
            (3*6+4*20+5*9)*384=54912____||                 \
                                     Bit | 1| 2| 3| 4| 5| 6|
                                 3*Z CNs>|  |<
                                            ^
                         54912 + 3*384______|

   \param p_lut Pointer to decoder LUTs
   \param llr Pointer to input LLRs
   \param p_procBuf Pointer to the processing buffers
   \param Z Lifting size
*/
static inline void nrLDPC_llr2CnProcBuf_BG2(t_nrLDPC_lut* p_lut, int8_t* llr, t_nrLDPC_procBuf* p_procBuf, uint16_t Z)
{
    const uint16_t (*lut_circShift_CNG3)  [lut_numCnInCnGroups_BG2_R15[0]] = (uint16_t(*)[lut_numCnInCnGroups_BG2_R15[0]]) p_lut->circShift[0];
    const uint16_t (*lut_circShift_CNG4)  [lut_numCnInCnGroups_BG2_R15[1]] = (uint16_t(*)[lut_numCnInCnGroups_BG2_R15[1]]) p_lut->circShift[1];
    const uint16_t (*lut_circShift_CNG5)  [lut_numCnInCnGroups_BG2_R15[2]] = (uint16_t(*)[lut_numCnInCnGroups_BG2_R15[2]]) p_lut->circShift[2];
    const uint16_t (*lut_circShift_CNG6)  [lut_numCnInCnGroups_BG2_R15[3]] = (uint16_t(*)[lut_numCnInCnGroups_BG2_R15[3]]) p_lut->circShift[3];
    const uint16_t (*lut_circShift_CNG8)  [lut_numCnInCnGroups_BG2_R15[4]] = (uint16_t(*)[lut_numCnInCnGroups_BG2_R15[4]]) p_lut->circShift[4];
    const uint16_t (*lut_circShift_CNG10) [lut_numCnInCnGroups_BG2_R15[5]] = (uint16_t(*)[lut_numCnInCnGroups_BG2_R15[5]]) p_lut->circShift[5];

    const uint8_t (*lut_posBnInCnProcBuf_CNG3)  [lut_numCnInCnGroups_BG2_R15[0]] = (uint8_t(*)[lut_numCnInCnGroups_BG2_R15[0]]) p_lut->posBnInCnProcBuf[0];
    const uint8_t (*lut_posBnInCnProcBuf_CNG4)  [lut_numCnInCnGroups_BG2_R15[1]] = (uint8_t(*)[lut_numCnInCnGroups_BG2_R15[1]]) p_lut->posBnInCnProcBuf[1];
    const uint8_t (*lut_posBnInCnProcBuf_CNG5)  [lut_numCnInCnGroups_BG2_R15[2]] = (uint8_t(*)[lut_numCnInCnGroups_BG2_R15[2]]) p_lut->posBnInCnProcBuf[2];
    const uint8_t (*lut_posBnInCnProcBuf_CNG6)  [lut_numCnInCnGroups_BG2_R15[3]] = (uint8_t(*)[lut_numCnInCnGroups_BG2_R15[3]]) p_lut->posBnInCnProcBuf[3];
    const uint8_t (*lut_posBnInCnProcBuf_CNG8)  [lut_numCnInCnGroups_BG2_R15[4]] = (uint8_t(*)[lut_numCnInCnGroups_BG2_R15[4]]) p_lut->posBnInCnProcBuf[4];
    const uint8_t (*lut_posBnInCnProcBuf_CNG10) [lut_numCnInCnGroups_BG2_R15[5]] = (uint8_t(*)[lut_numCnInCnGroups_BG2_R15[5]]) p_lut->posBnInCnProcBuf[5];

    const uint8_t*  lut_numCnInCnGroups = p_lut->numCnInCnGroups;
    const uint32_t* lut_startAddrCnGroups = p_lut->startAddrCnGroups;

    int8_t* cnProcBuf = p_procBuf->cnProcBuf;
    uint32_t i;
    uint32_t j;

    uint32_t idxBn = 0;
    int8_t* p_cnProcBuf;
    uint32_t bitOffsetInGroup;

    // =====================================================================
    // CN group with 3 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG2_R15[0]*NR_LDPC_ZMAX;

    for (j=0; j<3; j++)
    {
        p_cnProcBuf = &cnProcBuf[lut_startAddrCnGroups[0] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[0]; i++)
        {
            idxBn = lut_posBnInCnProcBuf_CNG3[j][i]*Z;
            nrLDPC_circ_memcpy(p_cnProcBuf, &llr[idxBn], Z, lut_circShift_CNG3[j][i]);
            p_cnProcBuf += Z;
        }
    }

    // =====================================================================
    // CN group with 4 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG2_R15[1]*NR_LDPC_ZMAX;

    for (j=0; j<4; j++)
    {
        p_cnProcBuf = &cnProcBuf[lut_startAddrCnGroups[1] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[1]; i++)
        {
            idxBn = lut_posBnInCnProcBuf_CNG4[j][i]*Z;
            nrLDPC_circ_memcpy(p_cnProcBuf, &llr[idxBn], Z, lut_circShift_CNG4[j][i]);
            p_cnProcBuf += Z;
        }
    }

    // =====================================================================
    // CN group with 5 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG2_R15[2]*NR_LDPC_ZMAX;

    for (j=0; j<5; j++)
    {
        p_cnProcBuf = &cnProcBuf[lut_startAddrCnGroups[2] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[2]; i++)
        {
            idxBn = lut_posBnInCnProcBuf_CNG5[j][i]*Z;
            nrLDPC_circ_memcpy(p_cnProcBuf, &llr[idxBn], Z, lut_circShift_CNG5[j][i]);
            p_cnProcBuf += Z;
        }
    }

    // =====================================================================
    // CN group with 6 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG2_R15[3]*NR_LDPC_ZMAX;

    for (j=0; j<6; j++)
    {
        p_cnProcBuf = &cnProcBuf[lut_startAddrCnGroups[3] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[3]; i++)
        {
            idxBn = lut_posBnInCnProcBuf_CNG6[j][i]*Z;
            nrLDPC_circ_memcpy(p_cnProcBuf, &llr[idxBn], Z, lut_circShift_CNG6[j][i]);
            p_cnProcBuf += Z;
        }
    }

    // =====================================================================
    // CN group with 8 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG2_R15[4]*NR_LDPC_ZMAX;

    for (j=0; j<8; j++)
    {
        p_cnProcBuf = &cnProcBuf[lut_startAddrCnGroups[4] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[4]; i++)
        {
            idxBn = lut_posBnInCnProcBuf_CNG8[j][i]*Z;
            nrLDPC_circ_memcpy(p_cnProcBuf, &llr[idxBn], Z, lut_circShift_CNG8[j][i]);
            p_cnProcBuf += Z;
        }
    }

    // =====================================================================
    // CN group with 10 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG2_R15[5]*NR_LDPC_ZMAX;

    for (j=0; j<10; j++)
    {
        p_cnProcBuf = &cnProcBuf[lut_startAddrCnGroups[5] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[5]; i++)
        {
            idxBn = lut_posBnInCnProcBuf_CNG10[j][i]*Z;
            nrLDPC_circ_memcpy(p_cnProcBuf, &llr[idxBn], Z, lut_circShift_CNG10[j][i]);
            p_cnProcBuf += Z;
        }
    }
}

/**
   \brief Copies the values in the CN processing results buffer to their corresponding place in the BN processing buffer for BG2.
   \param p_lut Pointer to decoder LUTs
   \param p_procBuf Pointer to the processing buffers
   \param Z Lifting size
*/
static inline void nrLDPC_cn2bnProcBuf_BG2(t_nrLDPC_lut* p_lut, t_nrLDPC_procBuf* p_procBuf, uint16_t Z)
{
    const uint8_t*  lut_numCnInCnGroups = p_lut->numCnInCnGroups;
    const uint32_t* lut_startAddrCnGroups = p_lut->startAddrCnGroups;

    const uint16_t (*lut_circShift_CNG3)  [lut_numCnInCnGroups_BG2_R15[0]] = (uint16_t(*)[lut_numCnInCnGroups_BG2_R15[0]]) p_lut->circShift[0];
    const uint16_t (*lut_circShift_CNG4)  [lut_numCnInCnGroups_BG2_R15[1]] = (uint16_t(*)[lut_numCnInCnGroups_BG2_R15[1]]) p_lut->circShift[1];
    const uint16_t (*lut_circShift_CNG5)  [lut_numCnInCnGroups_BG2_R15[2]] = (uint16_t(*)[lut_numCnInCnGroups_BG2_R15[2]]) p_lut->circShift[2];
    const uint16_t (*lut_circShift_CNG6)  [lut_numCnInCnGroups_BG2_R15[3]] = (uint16_t(*)[lut_numCnInCnGroups_BG2_R15[3]]) p_lut->circShift[3];
    const uint16_t (*lut_circShift_CNG8)  [lut_numCnInCnGroups_BG2_R15[4]] = (uint16_t(*)[lut_numCnInCnGroups_BG2_R15[4]]) p_lut->circShift[4];
    const uint16_t (*lut_circShift_CNG10) [lut_numCnInCnGroups_BG2_R15[5]] = (uint16_t(*)[lut_numCnInCnGroups_BG2_R15[5]]) p_lut->circShift[5];

    const uint32_t (*lut_startAddrBnProcBuf_CNG3)  [lut_numCnInCnGroups[0]] = (uint32_t(*)[lut_numCnInCnGroups[0]]) p_lut->startAddrBnProcBuf[0];
    const uint32_t (*lut_startAddrBnProcBuf_CNG4)  [lut_numCnInCnGroups[1]] = (uint32_t(*)[lut_numCnInCnGroups[1]]) p_lut->startAddrBnProcBuf[1];
    const uint32_t (*lut_startAddrBnProcBuf_CNG5)  [lut_numCnInCnGroups[2]] = (uint32_t(*)[lut_numCnInCnGroups[2]]) p_lut->startAddrBnProcBuf[2];
    const uint32_t (*lut_startAddrBnProcBuf_CNG6)  [lut_numCnInCnGroups[3]] = (uint32_t(*)[lut_numCnInCnGroups[3]]) p_lut->startAddrBnProcBuf[3];
    const uint32_t (*lut_startAddrBnProcBuf_CNG8)  [lut_numCnInCnGroups[4]] = (uint32_t(*)[lut_numCnInCnGroups[4]]) p_lut->startAddrBnProcBuf[4];
    const uint32_t (*lut_startAddrBnProcBuf_CNG10) [lut_numCnInCnGroups[5]] = (uint32_t(*)[lut_numCnInCnGroups[5]]) p_lut->startAddrBnProcBuf[5];

    const uint8_t (*lut_bnPosBnProcBuf_CNG3)  [lut_numCnInCnGroups[0]] = (uint8_t(*)[lut_numCnInCnGroups[0]]) p_lut->bnPosBnProcBuf[0];
    const uint8_t (*lut_bnPosBnProcBuf_CNG4)  [lut_numCnInCnGroups[1]] = (uint8_t(*)[lut_numCnInCnGroups[1]]) p_lut->bnPosBnProcBuf[1];
    const uint8_t (*lut_bnPosBnProcBuf_CNG5)  [lut_numCnInCnGroups[2]] = (uint8_t(*)[lut_numCnInCnGroups[2]]) p_lut->bnPosBnProcBuf[2];
    const uint8_t (*lut_bnPosBnProcBuf_CNG6)  [lut_numCnInCnGroups[3]] = (uint8_t(*)[lut_numCnInCnGroups[3]]) p_lut->bnPosBnProcBuf[3];
    const uint8_t (*lut_bnPosBnProcBuf_CNG8)  [lut_numCnInCnGroups[4]] = (uint8_t(*)[lut_numCnInCnGroups[4]]) p_lut->bnPosBnProcBuf[4];
    const uint8_t (*lut_bnPosBnProcBuf_CNG10) [lut_numCnInCnGroups[5]] = (uint8_t(*)[lut_numCnInCnGroups[5]]) p_lut->bnPosBnProcBuf[5];

    int8_t* cnProcBufRes = p_procBuf->cnProcBufRes;
    int8_t* bnProcBuf    = p_procBuf->bnProcBuf;

    int8_t* p_cnProcBufRes;
    uint32_t bitOffsetInGroup;
    uint32_t i;
    uint32_t j;
    uint32_t idxBn = 0;

    // =====================================================================
    // CN group with 3 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG2_R15[0]*NR_LDPC_ZMAX;

    for (j=0; j<3; j++)
    {
        p_cnProcBufRes = &cnProcBufRes[lut_startAddrCnGroups[0] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[0]; i++)
        {
            idxBn = lut_startAddrBnProcBuf_CNG3[j][i] + lut_bnPosBnProcBuf_CNG3[j][i]*Z;
            nrLDPC_inv_circ_memcpy(&bnProcBuf[idxBn],p_cnProcBufRes,Z,lut_circShift_CNG3[j][i]);
            p_cnProcBufRes += Z;
        }
    }

    // =====================================================================
    // CN group with 4 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG2_R15[1]*NR_LDPC_ZMAX;

    for (j=0; j<4; j++)
    {
        p_cnProcBufRes = &cnProcBufRes[lut_startAddrCnGroups[1] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[1]; i++)
        {
            idxBn = lut_startAddrBnProcBuf_CNG4[j][i] + lut_bnPosBnProcBuf_CNG4[j][i]*Z;
            nrLDPC_inv_circ_memcpy(&bnProcBuf[idxBn],p_cnProcBufRes,Z,lut_circShift_CNG4[j][i]);
            p_cnProcBufRes += Z;
        }
    }

    // =====================================================================
    // CN group with 5 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG2_R15[2]*NR_LDPC_ZMAX;

    for (j=0; j<5; j++)
    {
        p_cnProcBufRes = &cnProcBufRes[lut_startAddrCnGroups[2] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[2]; i++)
        {
            idxBn = lut_startAddrBnProcBuf_CNG5[j][i] + lut_bnPosBnProcBuf_CNG5[j][i]*Z;
            nrLDPC_inv_circ_memcpy(&bnProcBuf[idxBn],p_cnProcBufRes,Z,lut_circShift_CNG5[j][i]);
            p_cnProcBufRes += Z;
        }
    }

    // =====================================================================
    // CN group with 6 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG2_R15[3]*NR_LDPC_ZMAX;

    for (j=0; j<6; j++)
    {
        p_cnProcBufRes = &cnProcBufRes[lut_startAddrCnGroups[3] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[3]; i++)
        {
            idxBn = lut_startAddrBnProcBuf_CNG6[j][i] + lut_bnPosBnProcBuf_CNG6[j][i]*Z;
            nrLDPC_inv_circ_memcpy(&bnProcBuf[idxBn],p_cnProcBufRes,Z,lut_circShift_CNG6[j][i]);
            p_cnProcBufRes += Z;
        }
    }

    // =====================================================================
    // CN group with 8 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG2_R15[4]*NR_LDPC_ZMAX;

    for (j=0; j<8; j++)
    {
        p_cnProcBufRes = &cnProcBufRes[lut_startAddrCnGroups[4] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[4]; i++)
        {
            idxBn = lut_startAddrBnProcBuf_CNG8[j][i] + lut_bnPosBnProcBuf_CNG8[j][i]*Z;
            nrLDPC_inv_circ_memcpy(&bnProcBuf[idxBn],p_cnProcBufRes,Z,lut_circShift_CNG8[j][i]);
            p_cnProcBufRes += Z;
        }
    }

    // =====================================================================
    // CN group with 10 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG2_R15[5]*NR_LDPC_ZMAX;

    for (j=0; j<10; j++)
    {
        p_cnProcBufRes = &cnProcBufRes[lut_startAddrCnGroups[5] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[5]; i++)
        {
            idxBn = lut_startAddrBnProcBuf_CNG10[j][i] + lut_bnPosBnProcBuf_CNG10[j][i]*Z;
            nrLDPC_inv_circ_memcpy(&bnProcBuf[idxBn],p_cnProcBufRes,Z,lut_circShift_CNG10[j][i]);
            p_cnProcBufRes += Z;
        }
    }
}

/**
   \brief Copies the values in the CN processing results buffer to their corresponding place in the BN processing buffer for BG1.
   \param p_lut Pointer to decoder LUTs
   \param p_procBuf Pointer to the processing buffers
   \param Z Lifting size
*/
static inline void nrLDPC_cn2bnProcBuf_BG1(t_nrLDPC_lut* p_lut, t_nrLDPC_procBuf* p_procBuf, uint16_t Z)
{
    const uint8_t*  lut_numCnInCnGroups = p_lut->numCnInCnGroups;
    const uint32_t* lut_startAddrCnGroups = p_lut->startAddrCnGroups;

    const uint16_t (*lut_circShift_CNG3) [lut_numCnInCnGroups_BG1_R13[0]] = (uint16_t(*)[lut_numCnInCnGroups_BG1_R13[0]]) p_lut->circShift[0];
    const uint16_t (*lut_circShift_CNG4) [lut_numCnInCnGroups_BG1_R13[1]] = (uint16_t(*)[lut_numCnInCnGroups_BG1_R13[1]]) p_lut->circShift[1];
    const uint16_t (*lut_circShift_CNG5) [lut_numCnInCnGroups_BG1_R13[2]] = (uint16_t(*)[lut_numCnInCnGroups_BG1_R13[2]]) p_lut->circShift[2];
    const uint16_t (*lut_circShift_CNG6) [lut_numCnInCnGroups_BG1_R13[3]] = (uint16_t(*)[lut_numCnInCnGroups_BG1_R13[3]]) p_lut->circShift[3];
    const uint16_t (*lut_circShift_CNG7) [lut_numCnInCnGroups_BG1_R13[4]] = (uint16_t(*)[lut_numCnInCnGroups_BG1_R13[4]]) p_lut->circShift[4];
    const uint16_t (*lut_circShift_CNG8) [lut_numCnInCnGroups_BG1_R13[5]] = (uint16_t(*)[lut_numCnInCnGroups_BG1_R13[5]]) p_lut->circShift[5];
    const uint16_t (*lut_circShift_CNG9) [lut_numCnInCnGroups_BG1_R13[6]] = (uint16_t(*)[lut_numCnInCnGroups_BG1_R13[6]]) p_lut->circShift[6];
    const uint16_t (*lut_circShift_CNG10)[lut_numCnInCnGroups_BG1_R13[7]] = (uint16_t(*)[lut_numCnInCnGroups_BG1_R13[7]]) p_lut->circShift[7];
    const uint16_t (*lut_circShift_CNG19)[lut_numCnInCnGroups_BG1_R13[8]] = (uint16_t(*)[lut_numCnInCnGroups_BG1_R13[8]]) p_lut->circShift[8];

    const uint32_t (*lut_startAddrBnProcBuf_CNG3) [lut_numCnInCnGroups[0]] = (uint32_t(*)[lut_numCnInCnGroups[0]]) p_lut->startAddrBnProcBuf[0];
    const uint32_t (*lut_startAddrBnProcBuf_CNG4) [lut_numCnInCnGroups[1]] = (uint32_t(*)[lut_numCnInCnGroups[1]]) p_lut->startAddrBnProcBuf[1];
    const uint32_t (*lut_startAddrBnProcBuf_CNG5) [lut_numCnInCnGroups[2]] = (uint32_t(*)[lut_numCnInCnGroups[2]]) p_lut->startAddrBnProcBuf[2];
    const uint32_t (*lut_startAddrBnProcBuf_CNG6) [lut_numCnInCnGroups[3]] = (uint32_t(*)[lut_numCnInCnGroups[3]]) p_lut->startAddrBnProcBuf[3];
    const uint32_t (*lut_startAddrBnProcBuf_CNG7) [lut_numCnInCnGroups[4]] = (uint32_t(*)[lut_numCnInCnGroups[4]]) p_lut->startAddrBnProcBuf[4];
    const uint32_t (*lut_startAddrBnProcBuf_CNG8) [lut_numCnInCnGroups[5]] = (uint32_t(*)[lut_numCnInCnGroups[5]]) p_lut->startAddrBnProcBuf[5];
    const uint32_t (*lut_startAddrBnProcBuf_CNG9) [lut_numCnInCnGroups[6]] = (uint32_t(*)[lut_numCnInCnGroups[6]]) p_lut->startAddrBnProcBuf[6];
    const uint32_t (*lut_startAddrBnProcBuf_CNG10)[lut_numCnInCnGroups[7]] = (uint32_t(*)[lut_numCnInCnGroups[7]]) p_lut->startAddrBnProcBuf[7];
    const uint32_t (*lut_startAddrBnProcBuf_CNG19)[lut_numCnInCnGroups[8]] = (uint32_t(*)[lut_numCnInCnGroups[8]]) p_lut->startAddrBnProcBuf[8];

    const uint8_t (*lut_bnPosBnProcBuf_CNG4) [lut_numCnInCnGroups[1]] = (uint8_t(*)[lut_numCnInCnGroups[1]]) p_lut->bnPosBnProcBuf[1];
    const uint8_t (*lut_bnPosBnProcBuf_CNG5) [lut_numCnInCnGroups[2]] = (uint8_t(*)[lut_numCnInCnGroups[2]]) p_lut->bnPosBnProcBuf[2];
    const uint8_t (*lut_bnPosBnProcBuf_CNG6) [lut_numCnInCnGroups[3]] = (uint8_t(*)[lut_numCnInCnGroups[3]]) p_lut->bnPosBnProcBuf[3];
    const uint8_t (*lut_bnPosBnProcBuf_CNG7) [lut_numCnInCnGroups[4]] = (uint8_t(*)[lut_numCnInCnGroups[4]]) p_lut->bnPosBnProcBuf[4];
    const uint8_t (*lut_bnPosBnProcBuf_CNG8) [lut_numCnInCnGroups[5]] = (uint8_t(*)[lut_numCnInCnGroups[5]]) p_lut->bnPosBnProcBuf[5];
    const uint8_t (*lut_bnPosBnProcBuf_CNG9) [lut_numCnInCnGroups[6]] = (uint8_t(*)[lut_numCnInCnGroups[6]]) p_lut->bnPosBnProcBuf[6];
    const uint8_t (*lut_bnPosBnProcBuf_CNG10)[lut_numCnInCnGroups[7]] = (uint8_t(*)[lut_numCnInCnGroups[7]]) p_lut->bnPosBnProcBuf[7];
    const uint8_t (*lut_bnPosBnProcBuf_CNG19)[lut_numCnInCnGroups[8]] = (uint8_t(*)[lut_numCnInCnGroups[8]]) p_lut->bnPosBnProcBuf[8];

    int8_t* cnProcBufRes = p_procBuf->cnProcBufRes;
    int8_t* bnProcBuf    = p_procBuf->bnProcBuf;

    int8_t* p_cnProcBufRes;
    uint32_t bitOffsetInGroup;
    uint32_t i;
    uint32_t j;
    uint32_t idxBn = 0;

    // =====================================================================
    // CN group with 3 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG1_R13[0]*NR_LDPC_ZMAX;

    for (j=0; j<3; j++)
    {
        p_cnProcBufRes = &cnProcBufRes[lut_startAddrCnGroups[0] + j*bitOffsetInGroup];

        nrLDPC_inv_circ_memcpy(&bnProcBuf[lut_startAddrBnProcBuf_CNG3[j][0]],p_cnProcBufRes,Z,lut_circShift_CNG3[j][0]);
    }

    // =====================================================================
    // CN group with 4 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG1_R13[1]*NR_LDPC_ZMAX;

    for (j=0; j<4; j++)
    {
        p_cnProcBufRes = &cnProcBufRes[lut_startAddrCnGroups[1] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[1]; i++)
        {
            idxBn = lut_startAddrBnProcBuf_CNG4[j][i] + lut_bnPosBnProcBuf_CNG4[j][i]*Z;
            nrLDPC_inv_circ_memcpy(&bnProcBuf[idxBn],p_cnProcBufRes,Z,lut_circShift_CNG4[j][i]);
            p_cnProcBufRes += Z;
        }
    }

    // =====================================================================
    // CN group with 5 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG1_R13[2]*NR_LDPC_ZMAX;

    for (j=0; j<5; j++)
    {
        p_cnProcBufRes = &cnProcBufRes[lut_startAddrCnGroups[2] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[2]; i++)
        {
            idxBn = lut_startAddrBnProcBuf_CNG5[j][i] + lut_bnPosBnProcBuf_CNG5[j][i]*Z;
            nrLDPC_inv_circ_memcpy(&bnProcBuf[idxBn],p_cnProcBufRes,Z,lut_circShift_CNG5[j][i]);
            p_cnProcBufRes += Z;
        }
    }

    // =====================================================================
    // CN group with 6 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG1_R13[3]*NR_LDPC_ZMAX;

    for (j=0; j<6; j++)
    {
        p_cnProcBufRes = &cnProcBufRes[lut_startAddrCnGroups[3] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[3]; i++)
        {
            idxBn = lut_startAddrBnProcBuf_CNG6[j][i] + lut_bnPosBnProcBuf_CNG6[j][i]*Z;
            nrLDPC_inv_circ_memcpy(&bnProcBuf[idxBn],p_cnProcBufRes,Z,lut_circShift_CNG6[j][i]);
            p_cnProcBufRes += Z;
        }
    }

    // =====================================================================
    // CN group with 7 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG1_R13[4]*NR_LDPC_ZMAX;

    for (j=0; j<7; j++)
    {
        p_cnProcBufRes = &cnProcBufRes[lut_startAddrCnGroups[4] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[4]; i++)
        {
            idxBn = lut_startAddrBnProcBuf_CNG7[j][i] + lut_bnPosBnProcBuf_CNG7[j][i]*Z;
            nrLDPC_inv_circ_memcpy(&bnProcBuf[idxBn],p_cnProcBufRes,Z,lut_circShift_CNG7[j][i]);
            p_cnProcBufRes += Z;
        }
    }

    // =====================================================================
    // CN group with 8 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG1_R13[5]*NR_LDPC_ZMAX;

    for (j=0; j<8; j++)
    {
        p_cnProcBufRes = &cnProcBufRes[lut_startAddrCnGroups[5] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[5]; i++)
        {
            idxBn = lut_startAddrBnProcBuf_CNG8[j][i] + lut_bnPosBnProcBuf_CNG8[j][i]*Z;
            nrLDPC_inv_circ_memcpy(&bnProcBuf[idxBn],p_cnProcBufRes,Z,lut_circShift_CNG8[j][i]);
            p_cnProcBufRes += Z;
        }
    }

    // =====================================================================
    // CN group with 9 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG1_R13[6]*NR_LDPC_ZMAX;

    for (j=0; j<9; j++)
    {
        p_cnProcBufRes = &cnProcBufRes[lut_startAddrCnGroups[6] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[6]; i++)
        {
            idxBn = lut_startAddrBnProcBuf_CNG9[j][i] + lut_bnPosBnProcBuf_CNG9[j][i]*Z;
            nrLDPC_inv_circ_memcpy(&bnProcBuf[idxBn],p_cnProcBufRes,Z,lut_circShift_CNG9[j][i]);
            p_cnProcBufRes += Z;
        }
    }

    // =====================================================================
    // CN group with 10 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG1_R13[7]*NR_LDPC_ZMAX;

    for (j=0; j<10; j++)
    {
        p_cnProcBufRes = &cnProcBufRes[lut_startAddrCnGroups[7] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[7]; i++)
        {
            idxBn = lut_startAddrBnProcBuf_CNG10[j][i] + lut_bnPosBnProcBuf_CNG10[j][i]*Z;
            nrLDPC_inv_circ_memcpy(&bnProcBuf[idxBn],p_cnProcBufRes,Z,lut_circShift_CNG10[j][i]);
            p_cnProcBufRes += Z;
        }
    }

    // =====================================================================
    // CN group with 19 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG1_R13[8]*NR_LDPC_ZMAX;

    for (j=0; j<19; j++)
    {
        p_cnProcBufRes = &cnProcBufRes[lut_startAddrCnGroups[8] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[8]; i++)
        {
            idxBn = lut_startAddrBnProcBuf_CNG19[j][i] + lut_bnPosBnProcBuf_CNG19[j][i]*Z;
            nrLDPC_inv_circ_memcpy(&bnProcBuf[idxBn],p_cnProcBufRes,Z,lut_circShift_CNG19[j][i]);
            p_cnProcBufRes += Z;
        }
    }

}

/**
   \brief Copies the values in the BN processing results buffer to their corresponding place in the CN processing buffer for BG2.
   \param p_lut Pointer to decoder LUTs
   \param p_procBuf Pointer to the processing buffers
   \param Z Lifting size
*/
static inline void nrLDPC_bn2cnProcBuf_BG2(t_nrLDPC_lut* p_lut, t_nrLDPC_procBuf* p_procBuf, uint16_t Z)
{
    const uint8_t*  lut_numCnInCnGroups = p_lut->numCnInCnGroups;
    const uint32_t* lut_startAddrCnGroups = p_lut->startAddrCnGroups;

    const uint16_t (*lut_circShift_CNG3)  [lut_numCnInCnGroups_BG2_R15[0]] = (uint16_t(*)[lut_numCnInCnGroups_BG2_R15[0]]) p_lut->circShift[0];
    const uint16_t (*lut_circShift_CNG4)  [lut_numCnInCnGroups_BG2_R15[1]] = (uint16_t(*)[lut_numCnInCnGroups_BG2_R15[1]]) p_lut->circShift[1];
    const uint16_t (*lut_circShift_CNG5)  [lut_numCnInCnGroups_BG2_R15[2]] = (uint16_t(*)[lut_numCnInCnGroups_BG2_R15[2]]) p_lut->circShift[2];
    const uint16_t (*lut_circShift_CNG6)  [lut_numCnInCnGroups_BG2_R15[3]] = (uint16_t(*)[lut_numCnInCnGroups_BG2_R15[3]]) p_lut->circShift[3];
    const uint16_t (*lut_circShift_CNG8)  [lut_numCnInCnGroups_BG2_R15[4]] = (uint16_t(*)[lut_numCnInCnGroups_BG2_R15[4]]) p_lut->circShift[4];
    const uint16_t (*lut_circShift_CNG10) [lut_numCnInCnGroups_BG2_R15[5]] = (uint16_t(*)[lut_numCnInCnGroups_BG2_R15[5]]) p_lut->circShift[5];

    const uint32_t (*lut_startAddrBnProcBuf_CNG3)  [lut_numCnInCnGroups[0]] = (uint32_t(*)[lut_numCnInCnGroups[0]]) p_lut->startAddrBnProcBuf[0];
    const uint32_t (*lut_startAddrBnProcBuf_CNG4)  [lut_numCnInCnGroups[1]] = (uint32_t(*)[lut_numCnInCnGroups[1]]) p_lut->startAddrBnProcBuf[1];
    const uint32_t (*lut_startAddrBnProcBuf_CNG5)  [lut_numCnInCnGroups[2]] = (uint32_t(*)[lut_numCnInCnGroups[2]]) p_lut->startAddrBnProcBuf[2];
    const uint32_t (*lut_startAddrBnProcBuf_CNG6)  [lut_numCnInCnGroups[3]] = (uint32_t(*)[lut_numCnInCnGroups[3]]) p_lut->startAddrBnProcBuf[3];
    const uint32_t (*lut_startAddrBnProcBuf_CNG8)  [lut_numCnInCnGroups[4]] = (uint32_t(*)[lut_numCnInCnGroups[4]]) p_lut->startAddrBnProcBuf[4];
    const uint32_t (*lut_startAddrBnProcBuf_CNG10) [lut_numCnInCnGroups[5]] = (uint32_t(*)[lut_numCnInCnGroups[5]]) p_lut->startAddrBnProcBuf[5];

    const uint8_t (*lut_bnPosBnProcBuf_CNG3)  [lut_numCnInCnGroups[0]] = (uint8_t(*)[lut_numCnInCnGroups[0]]) p_lut->bnPosBnProcBuf[0];
    const uint8_t (*lut_bnPosBnProcBuf_CNG4)  [lut_numCnInCnGroups[1]] = (uint8_t(*)[lut_numCnInCnGroups[1]]) p_lut->bnPosBnProcBuf[1];
    const uint8_t (*lut_bnPosBnProcBuf_CNG5)  [lut_numCnInCnGroups[2]] = (uint8_t(*)[lut_numCnInCnGroups[2]]) p_lut->bnPosBnProcBuf[2];
    const uint8_t (*lut_bnPosBnProcBuf_CNG6)  [lut_numCnInCnGroups[3]] = (uint8_t(*)[lut_numCnInCnGroups[3]]) p_lut->bnPosBnProcBuf[3];
    const uint8_t (*lut_bnPosBnProcBuf_CNG8)  [lut_numCnInCnGroups[4]] = (uint8_t(*)[lut_numCnInCnGroups[4]]) p_lut->bnPosBnProcBuf[4];
    const uint8_t (*lut_bnPosBnProcBuf_CNG10) [lut_numCnInCnGroups[5]] = (uint8_t(*)[lut_numCnInCnGroups[5]]) p_lut->bnPosBnProcBuf[5];

    int8_t* cnProcBuf    = p_procBuf->cnProcBuf;
    int8_t* bnProcBufRes = p_procBuf->bnProcBufRes;

    int8_t* p_cnProcBuf;
    uint32_t bitOffsetInGroup;
    uint32_t i;
    uint32_t j;
    uint32_t idxBn = 0;

    // For CN groups 3 to 6 no need to send the last BN back since it's single edge
    // and BN processing does not change the value already in the CN proc buf

    // =====================================================================
    // CN group with 3 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG2_R15[0]*NR_LDPC_ZMAX;

    for (j=0; j<2; j++)
    {
        p_cnProcBuf = &cnProcBuf[lut_startAddrCnGroups[0] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[0]; i++)
        {
            idxBn = lut_startAddrBnProcBuf_CNG3[j][i] + lut_bnPosBnProcBuf_CNG3[j][i]*Z;
            nrLDPC_circ_memcpy(p_cnProcBuf, &bnProcBufRes[idxBn], Z, lut_circShift_CNG3[j][i]);
            p_cnProcBuf += Z;
        }
    }

    // =====================================================================
    // CN group with 4 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG2_R15[1]*NR_LDPC_ZMAX;

    for (j=0; j<3; j++)
    {
        p_cnProcBuf = &cnProcBuf[lut_startAddrCnGroups[1] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[1]; i++)
        {
            idxBn = lut_startAddrBnProcBuf_CNG4[j][i] + lut_bnPosBnProcBuf_CNG4[j][i]*Z;
            nrLDPC_circ_memcpy(p_cnProcBuf, &bnProcBufRes[idxBn], Z, lut_circShift_CNG4[j][i]);
            p_cnProcBuf += Z;
        }
    }

    // =====================================================================
    // CN group with 5 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG2_R15[2]*NR_LDPC_ZMAX;

    for (j=0; j<4; j++)
    {
        p_cnProcBuf = &cnProcBuf[lut_startAddrCnGroups[2] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[2]; i++)
        {
            idxBn = lut_startAddrBnProcBuf_CNG5[j][i] + lut_bnPosBnProcBuf_CNG5[j][i]*Z;
            nrLDPC_circ_memcpy(p_cnProcBuf, &bnProcBufRes[idxBn], Z, lut_circShift_CNG5[j][i]);
            p_cnProcBuf += Z;
        }
    }

    // =====================================================================
    // CN group with 6 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG2_R15[3]*NR_LDPC_ZMAX;

    for (j=0; j<5; j++)
    {
        p_cnProcBuf = &cnProcBuf[lut_startAddrCnGroups[3] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[3]; i++)
        {
            idxBn = lut_startAddrBnProcBuf_CNG6[j][i] + lut_bnPosBnProcBuf_CNG6[j][i]*Z;
            nrLDPC_circ_memcpy(p_cnProcBuf, &bnProcBufRes[idxBn], Z, lut_circShift_CNG6[j][i]);
            p_cnProcBuf += Z;
        }
    }

    // =====================================================================
    // CN group with 8 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG2_R15[4]*NR_LDPC_ZMAX;

    for (j=0; j<8; j++)
    {
        p_cnProcBuf = &cnProcBuf[lut_startAddrCnGroups[4] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[4]; i++)
        {
            idxBn = lut_startAddrBnProcBuf_CNG8[j][i] + lut_bnPosBnProcBuf_CNG8[j][i]*Z;
            nrLDPC_circ_memcpy(p_cnProcBuf, &bnProcBufRes[idxBn], Z, lut_circShift_CNG8[j][i]);
            p_cnProcBuf += Z;
        }
    }

    // =====================================================================
    // CN group with 10 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG2_R15[5]*NR_LDPC_ZMAX;

    for (j=0; j<10; j++)
    {
        p_cnProcBuf = &cnProcBuf[lut_startAddrCnGroups[5] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[5]; i++)
        {
            idxBn = lut_startAddrBnProcBuf_CNG10[j][i] + lut_bnPosBnProcBuf_CNG10[j][i]*Z;
            nrLDPC_circ_memcpy(p_cnProcBuf, &bnProcBufRes[idxBn], Z, lut_circShift_CNG10[j][i]);
            p_cnProcBuf += Z;
        }
    }
}

/**
   \brief Copies the values in the BN processing results buffer to their corresponding place in the CN processing buffer for BG1.
   \param p_lut Pointer to decoder LUTs
   \param p_procBuf Pointer to the processing buffers
   \param Z Lifting size
*/
static inline void nrLDPC_bn2cnProcBuf_BG1(t_nrLDPC_lut* p_lut, t_nrLDPC_procBuf* p_procBuf, uint16_t Z)
{
    const uint8_t*  lut_numCnInCnGroups = p_lut->numCnInCnGroups;
    const uint32_t* lut_startAddrCnGroups = p_lut->startAddrCnGroups;

    const uint16_t (*lut_circShift_CNG3) [lut_numCnInCnGroups_BG1_R13[0]] = (uint16_t(*)[lut_numCnInCnGroups_BG1_R13[0]]) p_lut->circShift[0];
    const uint16_t (*lut_circShift_CNG4) [lut_numCnInCnGroups_BG1_R13[1]] = (uint16_t(*)[lut_numCnInCnGroups_BG1_R13[1]]) p_lut->circShift[1];
    const uint16_t (*lut_circShift_CNG5) [lut_numCnInCnGroups_BG1_R13[2]] = (uint16_t(*)[lut_numCnInCnGroups_BG1_R13[2]]) p_lut->circShift[2];
    const uint16_t (*lut_circShift_CNG6) [lut_numCnInCnGroups_BG1_R13[3]] = (uint16_t(*)[lut_numCnInCnGroups_BG1_R13[3]]) p_lut->circShift[3];
    const uint16_t (*lut_circShift_CNG7) [lut_numCnInCnGroups_BG1_R13[4]] = (uint16_t(*)[lut_numCnInCnGroups_BG1_R13[4]]) p_lut->circShift[4];
    const uint16_t (*lut_circShift_CNG8) [lut_numCnInCnGroups_BG1_R13[5]] = (uint16_t(*)[lut_numCnInCnGroups_BG1_R13[5]]) p_lut->circShift[5];
    const uint16_t (*lut_circShift_CNG9) [lut_numCnInCnGroups_BG1_R13[6]] = (uint16_t(*)[lut_numCnInCnGroups_BG1_R13[6]]) p_lut->circShift[6];
    const uint16_t (*lut_circShift_CNG10)[lut_numCnInCnGroups_BG1_R13[7]] = (uint16_t(*)[lut_numCnInCnGroups_BG1_R13[7]]) p_lut->circShift[7];
    const uint16_t (*lut_circShift_CNG19)[lut_numCnInCnGroups_BG1_R13[8]] = (uint16_t(*)[lut_numCnInCnGroups_BG1_R13[8]]) p_lut->circShift[8];

    const uint32_t (*lut_startAddrBnProcBuf_CNG3) [lut_numCnInCnGroups[0]] = (uint32_t(*)[lut_numCnInCnGroups[0]]) p_lut->startAddrBnProcBuf[0];
    const uint32_t (*lut_startAddrBnProcBuf_CNG4) [lut_numCnInCnGroups[1]] = (uint32_t(*)[lut_numCnInCnGroups[1]]) p_lut->startAddrBnProcBuf[1];
    const uint32_t (*lut_startAddrBnProcBuf_CNG5) [lut_numCnInCnGroups[2]] = (uint32_t(*)[lut_numCnInCnGroups[2]]) p_lut->startAddrBnProcBuf[2];
    const uint32_t (*lut_startAddrBnProcBuf_CNG6) [lut_numCnInCnGroups[3]] = (uint32_t(*)[lut_numCnInCnGroups[3]]) p_lut->startAddrBnProcBuf[3];
    const uint32_t (*lut_startAddrBnProcBuf_CNG7) [lut_numCnInCnGroups[4]] = (uint32_t(*)[lut_numCnInCnGroups[4]]) p_lut->startAddrBnProcBuf[4];
    const uint32_t (*lut_startAddrBnProcBuf_CNG8) [lut_numCnInCnGroups[5]] = (uint32_t(*)[lut_numCnInCnGroups[5]]) p_lut->startAddrBnProcBuf[5];
    const uint32_t (*lut_startAddrBnProcBuf_CNG9) [lut_numCnInCnGroups[6]] = (uint32_t(*)[lut_numCnInCnGroups[6]]) p_lut->startAddrBnProcBuf[6];
    const uint32_t (*lut_startAddrBnProcBuf_CNG10)[lut_numCnInCnGroups[7]] = (uint32_t(*)[lut_numCnInCnGroups[7]]) p_lut->startAddrBnProcBuf[7];
    const uint32_t (*lut_startAddrBnProcBuf_CNG19)[lut_numCnInCnGroups[8]] = (uint32_t(*)[lut_numCnInCnGroups[8]]) p_lut->startAddrBnProcBuf[8];

    const uint8_t (*lut_bnPosBnProcBuf_CNG4) [lut_numCnInCnGroups[1]] = (uint8_t(*)[lut_numCnInCnGroups[1]]) p_lut->bnPosBnProcBuf[1];
    const uint8_t (*lut_bnPosBnProcBuf_CNG5) [lut_numCnInCnGroups[2]] = (uint8_t(*)[lut_numCnInCnGroups[2]]) p_lut->bnPosBnProcBuf[2];
    const uint8_t (*lut_bnPosBnProcBuf_CNG6) [lut_numCnInCnGroups[3]] = (uint8_t(*)[lut_numCnInCnGroups[3]]) p_lut->bnPosBnProcBuf[3];
    const uint8_t (*lut_bnPosBnProcBuf_CNG7) [lut_numCnInCnGroups[4]] = (uint8_t(*)[lut_numCnInCnGroups[4]]) p_lut->bnPosBnProcBuf[4];
    const uint8_t (*lut_bnPosBnProcBuf_CNG8) [lut_numCnInCnGroups[5]] = (uint8_t(*)[lut_numCnInCnGroups[5]]) p_lut->bnPosBnProcBuf[5];
    const uint8_t (*lut_bnPosBnProcBuf_CNG9) [lut_numCnInCnGroups[6]] = (uint8_t(*)[lut_numCnInCnGroups[6]]) p_lut->bnPosBnProcBuf[6];
    const uint8_t (*lut_bnPosBnProcBuf_CNG10)[lut_numCnInCnGroups[7]] = (uint8_t(*)[lut_numCnInCnGroups[7]]) p_lut->bnPosBnProcBuf[7];
    const uint8_t (*lut_bnPosBnProcBuf_CNG19)[lut_numCnInCnGroups[8]] = (uint8_t(*)[lut_numCnInCnGroups[8]]) p_lut->bnPosBnProcBuf[8];

    int8_t* cnProcBuf    = p_procBuf->cnProcBuf;
    int8_t* bnProcBufRes = p_procBuf->bnProcBufRes;

    int8_t* p_cnProcBuf;
    uint32_t bitOffsetInGroup;
    uint32_t i;
    uint32_t j;
    uint32_t idxBn = 0;

    // For CN groups 3 to 19 no need to send the last BN back since it's single edge
    // and BN processing does not change the value already in the CN proc buf

    // =====================================================================
    // CN group with 3 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG1_R13[0]*NR_LDPC_ZMAX;

    for (j=0; j<2; j++)
    {
        p_cnProcBuf = &cnProcBuf[lut_startAddrCnGroups[0] + j*bitOffsetInGroup];

        nrLDPC_circ_memcpy(p_cnProcBuf, &bnProcBufRes[lut_startAddrBnProcBuf_CNG3[j][0]], Z, lut_circShift_CNG3[j][0]);
    }

    // =====================================================================
    // CN group with 4 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG1_R13[1]*NR_LDPC_ZMAX;

    for (j=0; j<3; j++)
    {
        p_cnProcBuf = &cnProcBuf[lut_startAddrCnGroups[1] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[1]; i++)
        {
            idxBn = lut_startAddrBnProcBuf_CNG4[j][i] + lut_bnPosBnProcBuf_CNG4[j][i]*Z;
            nrLDPC_circ_memcpy(p_cnProcBuf, &bnProcBufRes[idxBn], Z, lut_circShift_CNG4[j][i]);
            p_cnProcBuf += Z;
        }
    }

    // =====================================================================
    // CN group with 5 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG1_R13[2]*NR_LDPC_ZMAX;

    for (j=0; j<4; j++)
    {
        p_cnProcBuf = &cnProcBuf[lut_startAddrCnGroups[2] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[2]; i++)
        {
            idxBn = lut_startAddrBnProcBuf_CNG5[j][i] + lut_bnPosBnProcBuf_CNG5[j][i]*Z;
            nrLDPC_circ_memcpy(p_cnProcBuf, &bnProcBufRes[idxBn], Z, lut_circShift_CNG5[j][i]);
            p_cnProcBuf += Z;
        }
    }

    // =====================================================================
    // CN group with 6 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG1_R13[3]*NR_LDPC_ZMAX;

    for (j=0; j<5; j++)
    {
        p_cnProcBuf = &cnProcBuf[lut_startAddrCnGroups[3] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[3]; i++)
        {
            idxBn = lut_startAddrBnProcBuf_CNG6[j][i] + lut_bnPosBnProcBuf_CNG6[j][i]*Z;
            nrLDPC_circ_memcpy(p_cnProcBuf, &bnProcBufRes[idxBn], Z, lut_circShift_CNG6[j][i]);
            p_cnProcBuf += Z;
        }
    }

    // =====================================================================
    // CN group with 7 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG1_R13[4]*NR_LDPC_ZMAX;

    for (j=0; j<6; j++)
    {
        p_cnProcBuf = &cnProcBuf[lut_startAddrCnGroups[4] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[4]; i++)
        {
            idxBn = lut_startAddrBnProcBuf_CNG7[j][i] + lut_bnPosBnProcBuf_CNG7[j][i]*Z;
            nrLDPC_circ_memcpy(p_cnProcBuf, &bnProcBufRes[idxBn], Z, lut_circShift_CNG7[j][i]);
            p_cnProcBuf += Z;
        }
    }

    // =====================================================================
    // CN group with 8 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG1_R13[5]*NR_LDPC_ZMAX;

    for (j=0; j<7; j++)
    {
        p_cnProcBuf = &cnProcBuf[lut_startAddrCnGroups[5] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[5]; i++)
        {
            idxBn = lut_startAddrBnProcBuf_CNG8[j][i] + lut_bnPosBnProcBuf_CNG8[j][i]*Z;
            nrLDPC_circ_memcpy(p_cnProcBuf, &bnProcBufRes[idxBn], Z, lut_circShift_CNG8[j][i]);
            p_cnProcBuf += Z;
        }
    }

    // =====================================================================
    // CN group with 9 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG1_R13[6]*NR_LDPC_ZMAX;

    for (j=0; j<8; j++)
    {
        p_cnProcBuf = &cnProcBuf[lut_startAddrCnGroups[6] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[6]; i++)
        {
            idxBn = lut_startAddrBnProcBuf_CNG9[j][i] + lut_bnPosBnProcBuf_CNG9[j][i]*Z;
            nrLDPC_circ_memcpy(p_cnProcBuf, &bnProcBufRes[idxBn], Z, lut_circShift_CNG9[j][i]);
            p_cnProcBuf += Z;
        }
    }

    // =====================================================================
    // CN group with 10 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG1_R13[7]*NR_LDPC_ZMAX;

    for (j=0; j<9; j++)
    {
        p_cnProcBuf = &cnProcBuf[lut_startAddrCnGroups[7] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[7]; i++)
        {
            idxBn = lut_startAddrBnProcBuf_CNG10[j][i] + lut_bnPosBnProcBuf_CNG10[j][i]*Z;
            nrLDPC_circ_memcpy(p_cnProcBuf, &bnProcBufRes[idxBn], Z, lut_circShift_CNG10[j][i]);
            p_cnProcBuf += Z;
        }
    }

    // =====================================================================
    // CN group with 19 BNs

    bitOffsetInGroup = lut_numCnInCnGroups_BG1_R13[8]*NR_LDPC_ZMAX;

    for (j=0; j<19; j++)
    {
        p_cnProcBuf = &cnProcBuf[lut_startAddrCnGroups[8] + j*bitOffsetInGroup];

        for (i=0; i<lut_numCnInCnGroups[8]; i++)
        {
            idxBn = lut_startAddrBnProcBuf_CNG19[j][i] + lut_bnPosBnProcBuf_CNG19[j][i]*Z;
            nrLDPC_circ_memcpy(p_cnProcBuf, &bnProcBufRes[idxBn], Z, lut_circShift_CNG19[j][i]);
            p_cnProcBuf += Z;
        }
    }

}

/**
   \brief Copies the values in the LLR results buffer to their corresponding place in the output LLR vector.
   \param p_lut Pointer to decoder LUTs
   \param llrOut Pointer to output LLRs
   \param p_procBuf Pointer to the processing buffers
   \param Z Lifting size
   \param BG Base graph
*/
static inline void nrLDPC_llrRes2llrOut(t_nrLDPC_lut* p_lut, int8_t* llrOut, t_nrLDPC_procBuf* p_procBuf, uint16_t Z, uint8_t BG)
{
    uint32_t i;
    const uint8_t numBn2CnG1 = p_lut->numBnInBnGroups[0];
    uint32_t startColParity = (BG ==1 ) ? (NR_LDPC_START_COL_PARITY_BG1) : (NR_LDPC_START_COL_PARITY_BG2);

    uint32_t colG1 = startColParity*Z;

    const uint16_t* lut_llr2llrProcBufAddr = p_lut->llr2llrProcBufAddr;
    const uint8_t*  lut_llr2llrProcBufBnPos = p_lut->llr2llrProcBufBnPos;

    int8_t* llrRes = p_procBuf->llrRes;
    int8_t* p_llrOut = &llrOut[0];
    uint32_t idxBn;

    // Copy LLRs connected to 1 CN
    if (numBn2CnG1 > 0)
    {
        memcpy(&llrOut[colG1], llrRes, numBn2CnG1*Z);
    }

    for (i=0; i<startColParity; i++)
    {
        idxBn = lut_llr2llrProcBufAddr[i] + lut_llr2llrProcBufBnPos[i]*Z;
        memcpy(p_llrOut, &llrRes[idxBn], Z);
        p_llrOut += Z;
    }

}

#endif
