mirror of
https://github.com/f4exb/sdrangel.git
synced 2025-10-31 04:50:29 -04:00
50 lines
1.2 KiB
C++
50 lines
1.2 KiB
C++
|
/* 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
|