/*
 * Copyright (C) 2016 Bastian Bloessl <bloessl@ccs-labs.org>
 *
 * 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 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "base.h"
#include <cstring>
#include <iostream>

using namespace gr::ieee802_11::equalizer;

const gr_complex base::LONG[] = {
	 0,  0,  0,  0,  0,  0,  1,  1, -1, -1,
	 1,  1, -1,  1, -1,  1,  1,  1,  1,  1,
	 1, -1, -1,  1,  1, -1,  1, -1,  1,  1,
	 1,  1,  0,  1, -1, -1,  1,  1, -1,  1,
	-1,  1, -1, -1, -1, -1, -1,  1,  1, -1,
	-1,  1, -1,  1, -1,  1,  1,  1,  1,  0,
	 0,  0,  0,  0
};

const gr_complex base::POLARITY[127] = {
	 1, 1, 1, 1,-1,-1,-1, 1,-1,-1,-1,-1, 1, 1,-1, 1,
	-1,-1, 1, 1,-1, 1, 1,-1, 1, 1, 1, 1, 1, 1,-1, 1,
	 1, 1,-1, 1, 1,-1,-1, 1, 1, 1,-1, 1,-1,-1,-1, 1,
	-1, 1,-1,-1, 1,-1,-1, 1, 1, 1, 1, 1,-1,-1, 1, 1,
	-1,-1, 1,-1, 1,-1, 1, 1,-1,-1,-1, 1, 1,-1,-1,-1,
	-1, 1,-1,-1, 1,-1, 1, 1, 1, 1,-1, 1,-1, 1,-1, 1,
	-1,-1,-1,-1,-1, 1,-1, 1, 1,-1, 1,-1, 1, 1, 1,-1,
	-1, 1,-1,-1,-1, 1, 1, 1,-1,-1,-1,-1,-1,-1,-1 };

const gr_complex* base::get_csi() {
	static gr_complex csi[52];
	int j = 0;
	for (int i = 0; i < 64; i++) {
		if ((i == 32) || (i < 6) || (i > 58)) {
			continue;
		}
		csi[j] = d_H[i];
		j++;
	}
	return csi;
}