vector.h

   1 #ifndef VECTOR_H
   2 #define VECTOR_H
   3
   4 #include <iostream>
   5 #include <stdexcept>
   6 #include <exception>
   7 #include <vector>
   8 #include <cmath>
   9
  10 class Vector
  11 {
  12     public:
  13         enum STANDARD_BASIS {ei};   //Allows instantiation of particular vectors of Rn
  14
  15         //Constructors and destructors
  16         Vector ();
  17         Vector (const unsigned int dimension);
  18         Vector (std::vector<double> components);
  19         /*Can throw logic_error exceptions
  20             /!\ Be aware that the index 'i' is understood as a mathematical index, not a general C++ index /!\*/
  21         Vector (const unsigned int dimension, STANDARD_BASIS aVector, const unsigned int i);
  22         Vector (const Vector &otherVector);
  23
  24         //Accessors and modifiers
  25         const std::vector<double>& components () const {return m_components;}
  26         void setComponents (const std::vector<double> &newVector) {m_components = newVector;}
  27         unsigned int dimension () const;
  28
  29
  30         //Operators
  31         void operator = (const Vector &otherVector);
  32
  33         //All operators can throw logic_error exceptions
  34
  35         Vector operator + (const Vector &otherVector) const;
  36         Vector& operator += (const Vector &otherVector);
  37
  38         Vector operator - (const Vector &otherVector) const;
  39         Vector& operator -= (const Vector &otherVector);
  40
  41         Vector operator * (const double scalar) const;
  42         Vector& operator *= (const double scalar);
  43         double operator * (const Vector &otherVector) const;        //Dot product of two vectors
  44
  45         //Can throw domain_error exceptions
  46         Vector operator / (const double scalar) const;
  47         Vector& operator /= (const double scalar);
  48
  49         Vector operator ^ (const Vector &otherVector) const;
  50
  51         Vector operator == (const Vector &otherVector) const;
  52         Vector operator != (const Vector &otherVector) const;
  53
  54         /*Can throw out_of_range exceptions
  55             /!\ index is understood as a mathematical index, not as a general C++ index /!\
  56             See method 'at()' for the C++ like getter*/
  57         double operator [] (const double index) const;
  58         double& operator [] (const double index);
  59
  60         /*Can throw out_of_range exception
  61             C++ like getter*/
  62         double at (const unsigned int index) const;
  63         double& at (const unsigned int index);
  64
  65         double dotProduct (const Vector &otherVector) const;    //Calculate Euclidea standard product
  66
  67         //Other methods
  68         void addComponent (double value);
  69         double magnitude () const;
  70         double magnitude2 () const;
  71         void show () const;
  72
  73
  74     private:
  75         std::vector<double> m_components;
  76 };
  77
  78 #endif // VECTOR_H