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codecrypt/src/fft.h
2016-04-17 15:48:09 +02:00

35 lines
1.1 KiB
C++

/*
* This file is part of Codecrypt.
*
* Copyright (C) 2013-2016 Mirek Kratochvil <exa.exa@gmail.com>
*
* Codecrypt is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or (at
* your option) any later version.
*
* Codecrypt 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Codecrypt. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _ccr_fft_h_
#define _ccr_fft_h_
#include "bvector.h"
#include <complex>
typedef std::complex<double> dcx;
void fft (bool forward, std::vector<dcx>&in, std::vector<dcx>&out);
//direct conversion from/to GF(2)
void fft (bvector&in, std::vector<dcx>&out);
void fft (std::vector<dcx>&in, bvector&out);
#endif