generator-matrix-creation.h

/* Based on Code by Radford M. Neal, see LICENSE_LDPC.
This file is an adaption of make-gen.c
For the description of the original code see http://radfordneal.github.io/LDPC-codes/encoding.html.
Note that while computing the generator matrix is still in order of O(N^3), if the sparse method
is chosen, it makes the computation much faster. */

#ifndef GENERATOR_MATRIX_CREATION_H
#define GENERATOR_MATRIX_CREATION_H

#include <stdlib.h>
#include <math.h>

#ifndef RELEASE
#include <stdio.h>
#endif

#include "alloc.h"
#include "mod2sparse.h"
#include "globals.h"

// see http://radfordneal.github.io/LDPC-codes/sparse-LU.html
#define GENERATOR_MATRIX_CREATION_LU_STRATEGY_FIRST 0
#define GENERATOR_MATRIX_CREATION_LU_STRATEGY_MINCOL 1
#define GENERATOR_MATRIX_CREATION_LU_STRATEGY_MINPROD 2


void create_generator_matrix(
  int lu_strategy
);
void make_sparse (mod2sparse_strategy);

#ifndef RELEASE
void print_generator_matrix();
#endif

#endif