XXLinalgVector3.h

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#ifndef XXLinalgVector3H
#define XXLinalgVector3H
 
#include "XXMathExportDef.h"
 
#include <iostream>
 
#include <QDebug>
#include <QTextStream>
 
#include "XXLinalgSpherical.h"
 
namespace XX
{
   namespace Linalg
   {
 
      class XXMATH_DECLSPEC Vector3
      {
         enum Index
         {
            X = 0,
            Y = 1,
            Z = 2
         };
 
      public:
         Vector3(const double& x = 0.0, const double& y = 0.0, const double& z = 0.0);
 
      public:
         bool operator==(const Vector3& other) const;
         bool operator<(const Vector3& other) const;
 
         Vector3 operator+(const Vector3& other) const;
         Vector3& operator+=(const Vector3& other);
 
         const double& operator[](const int index) const;
         double& operator[](const int index);
 
      public:
         const double& getX() const;
         const double& getY() const;
         const double& getZ() const;
 
         // for 2d version see MathGeneral.h
         static Vector3 fromSpherical(const Spherical& spherical, const bool fromDegree = true);
         Spherical toSpherical(const bool toDegree = true) const;
 
         double length() const;
         Vector3 norm() const;
 
         double dot(const Vector3& other) const;
         double dotAngle(const Vector3& other, const bool toDegree = true) const;
 
         Vector3 cross(const Vector3& other) const;
         double crossAngle(const Vector3& other, const bool toDegree = true) const;
 
      private:
         friend XXMATH_DECLSPEC std::ostream& operator<<(std::ostream& out, const Vector3& vector);
         friend XXMATH_DECLSPEC QDebug operator<<(QDebug stream, const Vector3& vector);
         friend XXMATH_DECLSPEC QTextStream& operator>>(QTextStream& stream, Vector3& vector);
         friend XXMATH_DECLSPEC QTextStream& operator<<(QTextStream& stream, const Vector3& vector);
 
      private:
         union
         {
            struct
            {
               double x;
               double y;
               double z;
            };
            double data[3];
         };
      };

 
      XXMATH_DECLSPEC std::ostream& operator<<(std::ostream& out, const Vector3& vector);
      XXMATH_DECLSPEC QDebug operator<<(QDebug stream, const Vector3& vector);
      XXMATH_DECLSPEC QTextStream& operator>>(QTextStream& stream, Vector3& vector);
      XXMATH_DECLSPEC QTextStream& operator<<(QTextStream& stream, const Vector3& vector);

 
   } // namespace Linalg
} // namespace XX
 
#endif // NOT XXLinalgVector3H