source: src/vector.hpp@ 753f02

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Last change on this file since 753f02 was 753f02, checked in by Tillmann Crueger <crueger@…>, 15 years ago

Removed Algebraic Hierachy from vector.
  • Property mode set to 100755
File size: 3.3 KB
Line 
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 <memory>
18
19#include "defs.hpp"
20
21/********************************************** declarations *******************************/
22
23/** Single vector.
24 * basically, just a x[3] but with helpful functions
25 */
26class Vector {
27protected:
28 // this struct is used to indicate calls to the Baseconstructor from inside vectors.
29 struct Baseconstructor{};
30public:
31
32 Vector();
33 Vector(const double x1, const double x2, const double x3);
34 Vector(const Vector& src);
35 virtual ~Vector();
36
37 // Method implemented by forwarding to the Representation
38
39 double DistanceSquared(const Vector &y) const;
40 double DistanceToPlane(const Vector &PlaneNormal, const Vector &PlaneOffset) const;
41 double PeriodicDistance(const Vector &y, const double * const cell_size) const;
42 double PeriodicDistanceSquared(const Vector &y, const double * const cell_size) const;
43 double ScalarProduct(const Vector &y) const;
44 double Angle(const Vector &y) const;
45 bool IsZero() const;
46 bool IsOne() const;
47 bool IsNormalTo(const Vector &normal) const;
48 bool IsEqualTo(const Vector &a) const;
49
50 void AddVector(const Vector &y);
51 void SubtractVector(const Vector &y);
52 void VectorProduct(const Vector &y);
53 void ProjectOntoPlane(const Vector &y);
54 void ProjectIt(const Vector &y);
55 Vector Projection(const Vector &y) const;
56 void Mirror(const Vector &x);
57 void ScaleAll(const double *factor);
58 void Scale(const double factor);
59 void MatrixMultiplication(const double * const M);
60 bool InverseMatrixMultiplication(const double * const M);
61 void KeepPeriodic(const double * const matrix);
62 bool GetOneNormalVector(const Vector &x1);
63 bool MakeNormalTo(const Vector &y1);
64 bool IsInParallelepiped(const Vector &offset, const double * const parallelepiped) const;
65 void WrapPeriodically(const double * const M, const double * const Minv);
66
67 // Accessors ussually come in pairs... and sometimes even more than that
68 double& operator[](size_t i);
69 const double& operator[](size_t i) const;
70 double& at(size_t i);
71 const double& at(size_t i) const;
72
73 // Assignment operator
74 Vector &operator=(const Vector& src);
75
76 // Access to internal structure
77 double* get();
78
79 // Methods that are derived directly from other methods
80 double Distance(const Vector &y) const;
81 double Norm() const;
82 double NormSquared() const;
83 void Normalize();
84 void Zero();
85 void One(const double one);
86 void LinearCombinationOfVectors(const Vector &x1, const Vector &x2, const Vector &x3, const double * const factors);
87
88 // operators for mathematical operations
89 bool operator==(const Vector& b) const;
90 const Vector& operator+=(const Vector& b);
91 const Vector& operator-=(const Vector& b);
92 Vector const operator+(const Vector& b) const;
93 Vector const operator-(const Vector& b) const;
94
95protected:
96
97private:
98 double x[NDIM];
99
100};
101
102ostream & operator << (ostream& ost, const Vector &m);
103const Vector& operator*=(Vector& a, const double m);
104Vector const operator*(const Vector& a, const double m);
105Vector const operator*(const double m, const Vector& a);
106
107#endif /*VECTOR_HPP_*/
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