mirror of
https://github.com/RobTillaart/Arduino.git
synced 2024-10-03 18:09:02 -04:00
59 lines
1.4 KiB
C++
59 lines
1.4 KiB
C++
#pragma once
|
|
//
|
|
// FILE: FastMap.h
|
|
// AUTHOR: Rob Tillaart
|
|
// VERSION: 0.3.3
|
|
// PURPOSE: class with fast map function - library for Arduino
|
|
// URL: https://github.com/RobTillaart/FastMap
|
|
|
|
|
|
|
|
#include "Arduino.h"
|
|
|
|
#define FASTMAP_LIB_VERSION (F("0.3.3"))
|
|
|
|
|
|
class FastMap
|
|
{
|
|
public:
|
|
FastMap();
|
|
|
|
void init(const float in_min, const float in_max, const float out_min, const float out_max);
|
|
|
|
float inline map (const float value) { return _base + value * _factor; }
|
|
float inline back (const float value) { return _backbase + value * _backfactor; }
|
|
|
|
float constrainedMap(const float value);
|
|
float lowerConstrainedMap(const float value);
|
|
float upperConstrainedMap(const float value);
|
|
|
|
private:
|
|
float _in_min, _in_max, _out_min, _out_max;
|
|
float _factor, _base;
|
|
float _backfactor, _backbase;
|
|
};
|
|
|
|
|
|
class FastMapDouble
|
|
{
|
|
public:
|
|
FastMapDouble();
|
|
void init(const double in_min, const double in_max, const double out_min, const double out_max);
|
|
|
|
double inline map (const double value) { return _base + value * _factor; }
|
|
double inline back (const double value) { return _backbase + value * _backfactor; }
|
|
|
|
double constrainedMap(const double value);
|
|
double lowerConstrainedMap(const double value);
|
|
double upperConstrainedMap(const double value);
|
|
|
|
private:
|
|
double _in_min, _in_max, _out_min, _out_max;
|
|
double _factor, _base;
|
|
double _backfactor, _backbase;
|
|
};
|
|
|
|
|
|
// -- END OF FILE --
|
|
|