source: src/vector.hpp@ 72e7fa

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Last change on this file since 72e7fa was 72e7fa, checked in by Tillmann Crueger <crueger@…>, 15 years ago

Started work on the VectorComposites
  • Property mode set to 100755
File size: 4.1 KB
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1#ifndef VECTOR_HPP_
2#define VECTOR_HPP_
3
4using namespace std;
5
6/*********************************************** includes ***********************************/
7
8// include config.h
9#ifdef HAVE_CONFIG_H
10#include <config.h>
11#endif
12
13#include <iostream>
14#include <gsl/gsl_vector.h>
15#include <gsl/gsl_multimin.h>
16
17#include "defs.hpp"
18
19/********************************************** declarations *******************************/
20
21/** Single vector.
22 * basically, just a x[3] but with helpful functions
23 */
24class Vector {
25protected:
26 // this struct is used to indicate calls to the Baseconstructor from inside vectors.
27 struct Baseconstructor{};
28 public:
29
30 Vector();
31 Vector(const double x1, const double x2, const double x3);
32 Vector(const Vector& src);
33 virtual ~Vector();
34
35 virtual double Distance(const Vector * const y) const;
36 virtual double DistanceSquared(const Vector * const y) const;
37 virtual double DistanceToPlane(const Vector * const PlaneNormal, const Vector * const PlaneOffset) const;
38 virtual double PeriodicDistance(const Vector * const y, const double * const cell_size) const;
39 virtual double PeriodicDistanceSquared(const Vector * const y, const double * const cell_size) const;
40 virtual double ScalarProduct(const Vector * const y) const;
41 virtual double Norm() const;
42 virtual double NormSquared() const;
43 virtual double Angle(const Vector * const y) const;
44 virtual bool IsZero() const;
45 virtual bool IsOne() const;
46 virtual bool IsNormalTo(const Vector * const normal) const;
47 virtual bool IsEqualTo(const Vector * const a) const;
48
49 virtual void AddVector(const Vector * const y);
50 virtual void SubtractVector(const Vector * const y);
51 virtual void CopyVector(const Vector * const y);
52 virtual void CopyVector(const Vector &y);
53 virtual void VectorProduct(const Vector * const y);
54 virtual void ProjectOntoPlane(const Vector * const y);
55 virtual void ProjectIt(const Vector * const y);
56 virtual Vector Projection(const Vector * const y) const;
57 virtual void Zero();
58 virtual void One(const double one);
59 virtual void Init(const double x1, const double x2, const double x3);
60 virtual void Normalize();
61 virtual void Translate(const Vector * const x);
62 virtual void Mirror(const Vector * const x);
63 virtual void Scale(const double ** const factor);
64 virtual void Scale(const double * const factor);
65 virtual void Scale(const double factor);
66 virtual void MatrixMultiplication(const double * const M);
67 virtual bool InverseMatrixMultiplication(const double * const M);
68 virtual void KeepPeriodic(const double * const matrix);
69 virtual void LinearCombinationOfVectors(const Vector * const x1, const Vector * const x2, const Vector * const x3, const double * const factors);
70 virtual double CutsPlaneAt(const Vector * const A, const Vector * const B, const Vector * const C) const;
71 virtual bool GetOneNormalVector(const Vector * const x1);
72 virtual bool MakeNormalTo(const Vector &y1);
73 //bool SolveSystem(Vector * x1, Vector * x2, Vector * y, const double alpha, const double beta, const double c);
74 virtual bool IsInParallelepiped(const Vector &offset, const double * const parallelepiped) const;
75 virtual void WrapPeriodically(const double * const M, const double * const Minv);
76
77 // Accessors ussually come in pairs... and sometimes even more than that
78 virtual double& operator[](size_t i);
79 virtual const double& operator[](size_t i) const;
80 virtual double& at(size_t i);
81 virtual const double& at(size_t i) const;
82
83 // Assignment operator
84 virtual Vector &operator=(const Vector& src);
85
86 // Access to internal structure
87 virtual double* get();
88
89 // operators for mathematical operations
90 bool operator==(const Vector& b) const;
91 const Vector& operator+=(const Vector& b);
92 const Vector& operator-=(const Vector& b);
93 Vector const operator+(const Vector& b) const;
94 Vector const operator-(const Vector& b) const;
95
96private:
97 double x[NDIM];
98
99};
100
101ostream & operator << (ostream& ost, const Vector &m);
102const Vector& operator*=(Vector& a, const double m);
103Vector const operator*(const Vector& a, const double m);
104Vector const operator*(const double m, const Vector& a);
105
106#endif /*VECTOR_HPP_*/
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