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103 lines
2.5 KiB
C++
103 lines
2.5 KiB
C++
#pragma once
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//
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// FILE: Angle.h
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// AUTHOR: Rob Tillaart
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// VERSION: 0.2.0
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// PURPOSE: angle library for Arduino
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// URL: https://github.com/RobTillaart/Angle
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// http://forum.arduino.cc/index.php?topic=339402
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//
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// AngleFormat proxy added 03/03/15 by Christopher Andrews.
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#include "math.h"
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#include "Arduino.h"
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#include "Printable.h"
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#define ANGLE_LIB_VERSION (F("0.2.0"))
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class Angle;
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enum AngleFormatMode
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{
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D = 1, M, S, T
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};
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struct AngleFormat : Printable
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{
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AngleFormat( const Angle &ref, AngleFormatMode format );
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size_t printTo(Print& p) const;
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const Angle ∠
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AngleFormatMode mode;
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};
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class Angle: public Printable
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{
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public:
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Angle(int dd = 0, int mm = 0, int ss = 0, int tt = 0);
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Angle(double alpha);
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Angle(const char * str);
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int sign() { return _negative ? -1 : 1; };
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int degree() { return _degrees; };
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int minute() { return _minutes; };
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int second() { return _seconds; };
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int tenthousand() { return _tenths; };
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size_t printTo(Print& p) const { return printTo( p, T ); }
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size_t printTo(Print& p, AngleFormatMode mode) const;
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AngleFormat format( AngleFormatMode format ) { return AngleFormat( *this, format ); }
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double toDouble();
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double toRadians() { return toDouble() * (PI / 180.0); };
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void fromRadians(double radians) { *this = radians * (180.0 / PI); };
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// EQUALITIES
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bool operator == (const Angle& a) { return compare(*this, a) == 0; };
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bool operator != (const Angle& a) { return compare(*this, a) != 0; };
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bool operator < (const Angle& a) { return compare(*this, a) < 0; };
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bool operator <= (const Angle& a) { return compare(*this, a) <= 0; };
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bool operator > (const Angle& a) { return compare(*this, a) > 0; };
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bool operator >= (const Angle& a) { return compare(*this, a) >= 0; };
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// NEGATE
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Angle operator - ();
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Angle operator + (const Angle&);
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Angle& operator += (const Angle&);
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Angle operator - (const Angle&);
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Angle& operator -= (const Angle&);
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Angle operator * (const double);
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Angle& operator *= (const double);
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Angle operator / (const double);
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Angle& operator /= (const double);
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double operator / (Angle&); // ratio
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private:
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void normalize();
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int compare(const Angle&, const Angle&);
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Angle addHelper(const Angle &a);
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Angle subHelper(const Angle &a);
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bool _negative; // angle is negative
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int _degrees;
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int _minutes;
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int _seconds;
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int _tenths; // ten thousands
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};
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// -- END OF FILE
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