1 | #ifndef VECTOR_HPP_
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2 | #define VECTOR_HPP_
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3 |
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4 | using namespace std;
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5 |
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6 | /*********************************************** includes ***********************************/
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7 |
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8 | // include config.h
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9 | #ifdef HAVE_CONFIG_H
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10 | #include <config.h>
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11 | #endif
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12 |
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13 | #include <iostream>
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14 | #include <gsl/gsl_vector.h>
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15 | #include <gsl/gsl_multimin.h>
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16 |
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17 | #include "defs.hpp"
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18 |
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19 | /********************************************** declarations *******************************/
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20 |
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21 | /** Single vector.
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22 | * basically, just a x[3] but with helpful functions
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23 | */
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24 | class Vector {
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25 | public:
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26 | double x[NDIM];
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27 |
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28 | Vector();
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29 | Vector(double x1, double x2, double x3);
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30 | ~Vector();
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31 |
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32 | double Distance(const Vector *y) const;
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33 | double DistanceSquared(const Vector *y) const;
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34 | double DistanceToPlane(ofstream *out, Vector *PlaneNormal, Vector *PlaneOffset);
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35 | double PeriodicDistance(const Vector *y, const double *cell_size) const;
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36 | double PeriodicDistanceSquared(const Vector *y, const double *cell_size) const;
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37 | double ScalarProduct(const Vector *y) const;
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38 | double Norm() const;
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39 | double NormSquared() const;
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40 | double Angle(const Vector *y) const;
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41 | bool IsZero() const;
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42 | bool IsOne() const;
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43 | bool IsNormalTo(const Vector *normal) const;
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44 |
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45 | void AddVector(const Vector *y);
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46 | void SubtractVector(const Vector *y);
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47 | void CopyVector(const Vector *y);
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48 | void CopyVector(const Vector y);
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49 | void RotateVector(const Vector *y, const double alpha);
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50 | void VectorProduct(const Vector *y);
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51 | void ProjectOntoPlane(const Vector *y);
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52 | void ProjectIt(const Vector *y);
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53 | Vector Projection(const Vector *y) const;
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54 | void Zero();
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55 | void One(double one);
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56 | void Init(double x1, double x2, double x3);
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57 | void Normalize();
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58 | void Translate(const Vector *x);
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59 | void Mirror(const Vector *x);
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60 | void Scale(double **factor);
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61 | void Scale(double *factor);
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62 | void Scale(double factor);
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63 | void MatrixMultiplication(const double *M);
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64 | double * InverseMatrix(double *A);
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65 | void InverseMatrixMultiplication(const double *M);
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66 | void KeepPeriodic(ofstream *out, double *matrix);
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67 | void LinearCombinationOfVectors(const Vector *x1, const Vector *x2, const Vector *x3, double *factors);
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68 | double CutsPlaneAt(Vector *A, Vector *B, Vector *C);
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69 | bool GetIntersectionWithPlane(ofstream *out, Vector *PlaneNormal, Vector *PlaneOffset, Vector *Origin, Vector *LineVector);
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70 | bool GetIntersectionOfTwoLinesOnPlane(ofstream *out, Vector *Line1a, Vector *Line1b, Vector *Line2a, Vector *Line2b, const Vector *Normal = NULL);
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71 | bool GetOneNormalVector(const Vector *x1);
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72 | bool MakeNormalVector(const Vector *y1);
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73 | bool MakeNormalVector(const Vector *y1, const Vector *y2);
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74 | bool MakeNormalVector(const Vector *x1, const Vector *x2, const Vector *x3);
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75 | bool SolveSystem(Vector *x1, Vector *x2, Vector *y, double alpha, double beta, double c);
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76 | bool LSQdistance(Vector **vectors, int dim);
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77 | void AskPosition(double *cell_size, bool check);
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78 | bool Output(ofstream *out) const;
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79 | bool IsInParallelepiped(Vector offset, double *parallelepiped);
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80 | void WrapPeriodically(const double *M, const double *Minv);
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81 | };
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82 |
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83 | ostream & operator << (ostream& ost, const Vector &m);
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84 | bool operator==(const Vector& a, const Vector& b);
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85 | Vector& operator+=(Vector& a, const Vector& b);
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86 | Vector& operator-=(Vector& a, const Vector& b);
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87 | Vector& operator*=(Vector& a, const double m);
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88 | Vector& operator*(const Vector& a, const double m);
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89 | Vector& operator*(const double m, const Vector& a);
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90 | Vector& operator+(const Vector& a, const Vector& b);
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91 | Vector& operator-(const Vector& a, const Vector& b);
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92 |
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93 | // some algebraic matrix stuff
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94 | #define RDET3(a) ((a)[0]*(a)[4]*(a)[8] + (a)[3]*(a)[7]*(a)[2] + (a)[6]*(a)[1]*(a)[5] - (a)[2]*(a)[4]*(a)[6] - (a)[5]*(a)[7]*(a)[0] - (a)[8]*(a)[1]*(a)[3]) //!< hard-coded determinant of a 3x3 matrix
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95 | #define RDET2(a0,a1,a2,a3) ((a0)*(a3)-(a1)*(a2)) //!< hard-coded determinant of a 2x2 matrix
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96 |
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97 |
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98 |
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99 | #endif /*VECTOR_HPP_*/
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