mirror of
https://github.com/RobTillaart/Arduino.git
synced 2024-09-19 16:46:11 -04:00
44 lines
931 B
C++
44 lines
931 B
C++
//
|
|
// FILE: FastMap.h
|
|
// AUTHOR: Rob Tillaart
|
|
// VERSION: 0.1.06
|
|
// PURPOSE: class with fast map function - library for Arduino
|
|
// URL: http://forum.arduino.cc/index.php?topic=276194
|
|
//
|
|
// HISTORY:
|
|
// see FastMap.cpp file
|
|
//
|
|
|
|
#ifndef FastMap_h
|
|
#define FastMap_h
|
|
|
|
#if ARDUINO < 100
|
|
#include <WProgram.h>
|
|
#else
|
|
#include <Arduino.h>
|
|
#endif
|
|
|
|
#define FASTMAP_LIB_VERSION (F("0.1.06"))
|
|
|
|
class FastMap
|
|
{
|
|
public:
|
|
void init(double in_min, double in_max, double out_min, double out_max);
|
|
|
|
double inline map(double value) { return _base + value * _factor; }
|
|
double inline back(double value) { return _backbase + value * _backfactor; }
|
|
|
|
double constrainedMap(double value);
|
|
double lowerConstrainedMap(double value);
|
|
double upperConstrainedMap(double value);
|
|
|
|
private:
|
|
double _in_min, _in_max, _out_min, _out_max;
|
|
double _factor, _base;
|
|
double _backfactor, _backbase;
|
|
};
|
|
|
|
#endif
|
|
//
|
|
// END OF FILE
|
|
//
|