source: src/vector.hpp@ 0a4f7f

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Last change on this file since 0a4f7f was 0a4f7f, checked in by Tillmann Crueger <crueger@…>, 16 years ago

Made data internal data-structure of vector class private

  • Replaced occurences of access to internals with operator
  • moved Vector-class into LinAlg-Module
  • Reworked Vector to allow clean modularization
  • Added Plane class to describe arbitrary planes in 3d space
  • Property mode set to 100755
File size: 3.6 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 "defs.hpp"
18
19/********************************************** declarations *******************************/
20
21/** Single vector.
22 * basically, just a x[3] but with helpful functions
23 */
24class Vector {
25 public:
26
27 Vector();
28 Vector(const double x1, const double x2, const double x3);
29 Vector(const Vector& src);
30 ~Vector();
31
32 double Distance(const Vector * const y) const;
33 double DistanceSquared(const Vector * const y) const;
34 double DistanceToPlane(const Vector * const PlaneNormal, const Vector * const PlaneOffset) const;
35 double PeriodicDistance(const Vector * const y, const double * const cell_size) const;
36 double PeriodicDistanceSquared(const Vector * const y, const double * const cell_size) const;
37 double ScalarProduct(const Vector * const y) const;
38 double Norm() const;
39 double NormSquared() const;
40 double Angle(const Vector * const y) const;
41 bool IsZero() const;
42 bool IsOne() const;
43 bool IsNormalTo(const Vector * const normal) const;
44 bool IsEqualTo(const Vector * const a) const;
45
46 void AddVector(const Vector * const y);
47 void SubtractVector(const Vector * const y);
48 void CopyVector(const Vector * const y);
49 void CopyVector(const Vector &y);
50 void VectorProduct(const Vector * const y);
51 void ProjectOntoPlane(const Vector * const y);
52 void ProjectIt(const Vector * const y);
53 Vector Projection(const Vector * const y) const;
54 void Zero();
55 void One(const double one);
56 void Init(const double x1, const double x2, const double x3);
57 void Normalize();
58 void Translate(const Vector * const x);
59 void Mirror(const Vector * const x);
60 void Scale(const double ** const factor);
61 void Scale(const double * const factor);
62 void Scale(const double factor);
63 void MatrixMultiplication(const double * const M);
64 bool InverseMatrixMultiplication(const double * const M);
65 void KeepPeriodic(const double * const matrix);
66 void LinearCombinationOfVectors(const Vector * const x1, const Vector * const x2, const Vector * const x3, const double * const factors);
67 double CutsPlaneAt(const Vector * const A, const Vector * const B, const Vector * const C) const;
68 bool GetOneNormalVector(const Vector * const x1);
69 bool MakeNormalTo(const Vector &y1);
70 //bool SolveSystem(Vector * x1, Vector * x2, Vector * y, const double alpha, const double beta, const double c);
71 bool IsInParallelepiped(const Vector &offset, const double * const parallelepiped) const;
72 void WrapPeriodically(const double * const M, const double * const Minv);
73
74 // Accessors ussually come in pairs... and sometimes even more than that
75 double& operator[](size_t i);
76 const double& operator[](size_t i) const;
77 double& at(size_t i);
78 const double& at(size_t i) const;
79
80 // Assignment operator
81 Vector &operator=(const Vector& src);
82
83 // Access to internal structure
84 double* get();
85
86private:
87 double x[NDIM];
88
89};
90
91ostream & operator << (ostream& ost, const Vector &m);
92bool operator==(const Vector& a, const Vector& b);
93const Vector& operator+=(Vector& a, const Vector& b);
94const Vector& operator-=(Vector& a, const Vector& b);
95const Vector& operator*=(Vector& a, const double m);
96Vector const operator*(const Vector& a, const double m);
97Vector const operator*(const double m, const Vector& a);
98Vector const operator+(const Vector& a, const Vector& b);
99Vector const operator-(const Vector& a, const Vector& b);
100
101
102#endif /*VECTOR_HPP_*/
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