| [d74077] | 1 | /*
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| 2 | * VectorInterface.hpp
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| 3 | *
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| 4 | * Created on: Jul 29, 2010
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| 5 | * Author: heber
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| 6 | */
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| 7 |
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| 8 | #ifndef VECTORINTERFACE_HPP_
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| 9 | #define VECTORINTERFACE_HPP_
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| 10 |
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| 11 | #include <cstring>
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| 12 | #include <iostream>
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| 13 |
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| 14 | class Vector;
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| 15 |
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| 16 | /** Contains all functions of the class Vector as virtual definitions, to give any
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| 17 | * class derived from it the interface of a Vector, i.e. Vector-like abilities
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| 18 | * (i.e. the scaffold design pattern).
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| 19 | */
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| 20 | class VectorInterface {
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| 21 | public:
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| 22 |
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| 23 | // Accessors ussually come in pairs... and sometimes even more than that
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| 24 | virtual const double& operator[](size_t i) const = 0;
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| 25 | virtual const double& at(size_t i) const = 0;
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| 26 | virtual void set(size_t i, const double value) = 0;
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| 27 | virtual const Vector& getPosition() const = 0;
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| 28 |
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| 29 | // Assignment operator
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| 30 | virtual void setPosition(const Vector& _vector) = 0;
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| 31 |
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| 32 | // operators for mathematical operations
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| 33 | virtual const VectorInterface& operator+=(const Vector& b) = 0;
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| 34 | virtual const VectorInterface& operator-=(const Vector& b) = 0;
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| 35 | virtual Vector const operator+(const Vector& b) const = 0;
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| 36 | virtual Vector const operator-(const Vector& b) const = 0;
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| 37 |
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| 38 | virtual void Zero() = 0;
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| 39 | virtual void One(const double one) = 0;
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| 40 | virtual void LinearCombinationOfVectors(const Vector &x1, const Vector &x2, const Vector &x3, const double * const factors) = 0;
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| 41 |
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| 42 | virtual double distance(const Vector &point) const = 0;
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| 43 | virtual double DistanceSquared(const Vector &y) const = 0;
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| 44 | virtual double distance(const VectorInterface &_atom) const = 0;
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| 45 | virtual double DistanceSquared(const VectorInterface &_atom) const = 0;
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| 46 |
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| 47 | virtual void ScaleAll(const double *factor) = 0;
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| 48 | virtual void ScaleAll(const Vector &factor) = 0;
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| 49 | virtual void Scale(const double factor) = 0;
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| 50 |
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| 51 | virtual std::ostream & operator << (std::ostream &ost) const = 0;
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| 52 |
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| 53 | protected:
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| 54 | /** Constructor and destructor are protected as VectorInterface should never
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| 55 | * be instantiated by itself but only as a derived class.
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| 56 | */
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| 57 | VectorInterface();
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| 58 | ~VectorInterface();
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| 59 | };
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| 60 |
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| 61 | #endif /* VECTORINTERFACE_HPP_ */
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