source: src/vector.hpp@ 5c7bf8

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Last change on this file since 5c7bf8 was 46670d, checked in by Frederik Heber <heber@…>, 16 years ago

BUGFIXES to some vector functions.
  • Property mode set to 100755
File size: 2.6 KB
Line 
1#ifndef VECTOR_HPP_
2#define VECTOR_HPP_
3
4using namespace std;
5
6#include "helpers.hpp"
7
8class Vector;
9
10/** Single vector.
11 * basically, just a x[3] but with helpful functions
12 */
13class Vector {
14 public:
15 double x[NDIM];
16
17 Vector();
18 Vector(double x1, double x2, double x3);
19 ~Vector();
20
21 double Distance(const Vector *y) const;
22 double DistanceSquared(const Vector *y) const;
23 double PeriodicDistance(const Vector *y, const double *cell_size) const;
24 double PeriodicDistanceSquared(const Vector *y, const double *cell_size) const;
25 double ScalarProduct(const Vector *y) const;
26 double Projection(const Vector *y) const;
27 double Norm() const;
28 double NormSquared() const;
29 double Angle(const Vector *y) const;
30 bool IsNull() const;
31
32 void AddVector(const Vector *y);
33 void SubtractVector(const Vector *y);
34 void CopyVector(const Vector *y);
35 void RotateVector(const Vector *y, const double alpha);
36 void VectorProduct(const Vector *y);
37 void ProjectOntoPlane(const Vector *y);
38 void Zero();
39 void One(double one);
40 void Init(double x1, double x2, double x3);
41 void Normalize();
42 void Translate(const Vector *x);
43 void Mirror(const Vector *x);
44 void Scale(double **factor);
45 void Scale(double *factor);
46 void Scale(double factor);
47 void MatrixMultiplication(double *M);
48 double * InverseMatrix(double *A);
49 void InverseMatrixMultiplication(double *M);
50 void KeepPeriodic(ofstream *out, double *matrix);
51 void LinearCombinationOfVectors(const Vector *x1, const Vector *x2, const Vector *x3, double *factors);
52 double CutsPlaneAt(Vector *A, Vector *B, Vector *C);
53 bool GetIntersectionWithPlane(ofstream *out, Vector *PlaneNormal, Vector *PlaneOffset, Vector *Origin, Vector *LineVector);
54 bool GetIntersectionOfTwoLinesOnPlane(ofstream *out, Vector *Line1a, Vector *Line1b, Vector *Line2a, Vector *Line2b, const Vector *Normal = NULL);
55 bool GetOneNormalVector(const Vector *x1);
56 bool MakeNormalVector(const Vector *y1);
57 bool MakeNormalVector(const Vector *y1, const Vector *y2);
58 bool MakeNormalVector(const Vector *x1, const Vector *x2, const Vector *x3);
59 bool SolveSystem(Vector *x1, Vector *x2, Vector *y, double alpha, double beta, double c);
60 bool LSQdistance(Vector **vectors, int dim);
61 void AskPosition(double *cell_size, bool check);
62 bool Output(ofstream *out) const;
63};
64
65ostream & operator << (ostream& ost, const Vector &m);
66//Vector& operator+=(Vector& a, const Vector& b);
67//Vector& operator*=(Vector& a, const double m);
68//Vector& operator*(const Vector& a, const double m);
69//Vector& operator+(const Vector& a, const Vector& b);
70
71#endif /*VECTOR_HPP_*/
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