sdrangel/wdsp/meterlog10.hpp

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2024-06-16 09:31:13 +00:00
/* meterlog10.h
This file is part of a program that implements a Software-Defined Radio.
Copyright (C) 2013 Warren Pratt, NR0V
Copyright (C) 2024 Edouard Griffiths, F4EXB Adapted to SDRangel
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.
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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
The author can be reached by email at
warren@wpratt.com
*/
#ifndef wdsp_meterlog10_h
#define wdsp_meterlog10_h
#include "export.h"
namespace WDSP {
class WDSP_API MemLog
{
public:
static double mlog10 (double val);
private:
static const int mbits;
static const int mmask;
static const double mconv;
static const double mtable[2048];
};
} // namespace WDSP
#endif