source: src/vector.hpp@ d7e30c

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Last change on this file since d7e30c was 7d96c6, checked in by Frederik Heber <heber@…>, 16 years ago

class vector was wrongly still in molecules.hpp instead of vector.hpp
  • Property mode set to 100644
File size: 2.0 KB
Line 
1#ifndef VECTOR_HPP_
2#define VECTOR_HPP_
3
4class vector;
5
6/** Single vector.
7 * basically, just a x[3] but with helpful functions
8 */
9class vector {
10 public:
11 double x[NDIM];
12
13 vector();
14 vector(double x1, double x2, double x3);
15 ~vector();
16
17 double Distance(const vector *y) const;
18 double PeriodicDistance(const vector *y, const double *cell_size) const;
19 double ScalarProduct(const vector *y) const;
20 double Projection(const vector *y) const;
21 double Norm() const ;
22 double Angle(vector *y) const;
23
24 void AddVector(const vector *y);
25 void SubtractVector(const vector *y);
26 void CopyVector(const vector *y);
27 void RotateVector(const vector *y, const double alpha);
28 void ProjectOntoPlane(const vector *y);
29 void Zero();
30 void One(double one);
31 void Init(double x1, double x2, double x3);
32 void Normalize();
33 void Translate(const vector *x);
34 void Mirror(const vector *x);
35 void Scale(double **factor);
36 void Scale(double *factor);
37 void Scale(double factor);
38 void MatrixMultiplication(double *M);
39 void InverseMatrixMultiplication(double *M);
40 void KeepPeriodic(ofstream *out, double *matrix);
41 void LinearCombinationOfVectors(const vector *x1, const vector *x2, const vector *x3, double *factors);
42
43 double CutsPlaneAt(vector *A, vector *B, vector *C);
44 bool GetOneNormalVector(const vector *x1);
45 bool MakeNormalVector(const vector *y1);
46 bool MakeNormalVector(const vector *y1, const vector *y2);
47 bool MakeNormalVector(const vector *x1, const vector *x2, const vector *x3);
48 bool SolveSystem(vector *x1, vector *x2, vector *y, double alpha, double beta, double c);
49 bool LSQdistance(vector **vectors, int dim);
50
51 void AskPosition(double *cell_size, bool check);
52 bool Output(ofstream *out) const;
53};
54
55ofstream& operator<<(ofstream& ost, vector& m);
56vector& operator+=(vector& a, const vector& b);
57vector& operator*=(vector& a, const double m);
58vector& operator*(const vector& a, const double m);
59vector& operator+(const vector& a, const vector& b);
60
61#endif /*VECTOR_HPP_*/
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