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70 lines
1.8 KiB
C++
70 lines
1.8 KiB
C++
#pragma once
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//
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// FILE: Interval.h
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// AUTHOR: Rob Tillaart
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// DATE: 2020-07-21
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// VERSION: 0.1.4
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// PURPOSE: Arduino library for Interval datatype
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// URL: https://github.com/RobTillaart/Interval
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#include "Arduino.h"
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#define INTERVAL_LIB_VERSION (F("0.1.4"))
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class Interval: public Printable
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{
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public:
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// CONSTRUCTOR
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Interval();
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Interval(float lo, float hi);
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Interval(float f); // default zero interval [f, f]
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// PRINTABLE
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size_t printTo(Print& p) const;
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void setDecimals(uint8_t n) { _decimals = n; };
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// BASE FUNCTIONS
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float value() { return (_hi /2 + _lo /2); }; // assumption / estimation
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float range() { return _hi -_lo; };
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float high() { return _hi; };
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float low() { return _lo; };
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float relAccuracy();
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void setRange(float r);
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// MATH OPERATORS
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Interval operator + (const Interval&);
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Interval operator - (const Interval&);
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Interval operator * (const Interval&);
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Interval operator / (const Interval&);
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Interval operator += (const Interval&);
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Interval operator -= (const Interval&);
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Interval operator *= (const Interval&);
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Interval operator /= (const Interval&);
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// COMPARISON OPERATORS - compares value()
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bool operator == (const Interval&);
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bool operator != (const Interval&);
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// bool operator > (const Interval&);
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// bool operator >= (const Interval&);
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// bool operator < (const Interval&);
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// bool operator <= (const Interval&);
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// SET OPERATORS
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// Interval operator & (const Interval&); // common part [1, 5] & [4, 8] => [4, 5]
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// Interval operator | (const Interval&); // superset [1, 5] | [4, 8] => [1, 8]
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// Interval operator ^ (const Interval&); //
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// smaller
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private:
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float _lo;
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float _hi;
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uint8_t _decimals = 3;
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};
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// -- END OF FILE --
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