/*************************************************************************** *    ldpc.c  -  The main module for LDPC-2fold *                           ------------------- *   begin                :  2003/09/01 *   authors              :  Nicolae Chiurtu *   emails               :  nicolae.chiurtu@epfl.ch ***************************************************************************//*************************************************************************** *                                Changes *                                ------- * date - name - description * 2003/09/01 - nicou - begin * **************************************************************************//*************************************************************************** *                                                                         * *   This program 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 2 of the License, or     * *   (at your option) any later version.                                   * *                                                                         * ***************************************************************************//** *  LDPC codes are Low Density Parity Check codes used in favor of * convolutional codes. Usually they are calculated on a SISO channel. * This module tries to enhance the case for a 4x4 MIMO channel. The * theory has been written down by Nicolae Chiurtu. */#include "lookup.h"#include "spc.h"#include "graphcreate.h"#define DBG_LVL 4int ics_rcv_module_init( void );void ics_rcv_module_exit( void );int rcv_module_init( void );void rcv_module_exit( void );int send_module_init( void );void send_module_exit( void );/* * Just call the two init-functions */int spc_module_init(void){  // Call functions to initialise global variables  //  init_tree();  lookup_init();  if( rcv_module_init() < 0 ){    PR_DBG( 0, "Couldn't init rcv-part\n" );    lookup_exit();    return -1;  }  if ( send_module_init() < 0 ){    rcv_module_exit();    lookup_exit();    PR_DBG( 0, "Couldn't init send-part\n" );    return -1;  }  if ( ics_rcv_module_init() < 0 ) {    rcv_module_exit();    send_module_exit();    lookup_exit();    PR_DBG( 0, "Couldn't init ics_rcv-part\n" );    return -1;  }    return 0;}/* * And call the two exit-funcitons */void spc_module_exit( void ){  lookup_exit();  ics_rcv_module_exit();  rcv_module_exit();  send_module_exit();}module_init( spc_module_init );module_exit( spc_module_exit );