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95 lines
3.0 KiB
C++
95 lines
3.0 KiB
C++
///////////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2021 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////////
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/*
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Modulation interface
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Copyright 2018 Ahmet Inan <xdsopl@gmail.com>
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*/
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#ifndef MODULATION_HH
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#define MODULATION_HH
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namespace ldpctool {
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template <typename TYPE, typename CODE>
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struct ModulationInterface
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{
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typedef TYPE complex_type;
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typedef typename TYPE::value_type value_type;
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typedef CODE code_type;
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virtual int bits() = 0;
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virtual void hardN(code_type *, complex_type *) = 0;
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virtual void softN(code_type *, complex_type *, value_type) = 0;
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virtual void mapN(complex_type *, code_type *) = 0;
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virtual void hard(code_type *, complex_type) = 0;
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virtual void soft(code_type *, complex_type, value_type) = 0;
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virtual complex_type map(code_type *) = 0;
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virtual ~ModulationInterface() = default;
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};
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template <typename MOD, int NUM>
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struct Modulation : public ModulationInterface<typename MOD::complex_type, typename MOD::code_type>
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{
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typedef typename MOD::complex_type complex_type;
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typedef typename MOD::value_type value_type;
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typedef typename MOD::code_type code_type;
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int bits()
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{
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return MOD::BITS;
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}
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void hardN(code_type *b, complex_type *c)
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{
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for (int i = 0; i < NUM; ++i)
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MOD::hard(b + i * MOD::BITS, c[i]);
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}
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void softN(code_type *b, complex_type *c, value_type precision)
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{
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for (int i = 0; i < NUM; ++i)
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MOD::soft(b + i * MOD::BITS, c[i], precision);
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}
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void mapN(complex_type *c, code_type *b)
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{
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for (int i = 0; i < NUM; ++i)
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c[i] = MOD::map(b + i * MOD::BITS);
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}
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void hard(code_type *b, complex_type c)
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{
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MOD::hard(b, c);
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}
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void soft(code_type *b, complex_type c, value_type precision)
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{
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MOD::soft(b, c, precision);
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}
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complex_type map(code_type *b)
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{
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return MOD::map(b);
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}
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};
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} // namespace ldpctool
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#endif
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