source: src/vector.hpp@ 6b33de

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Last change on this file since 6b33de was 342f33f, checked in by Frederik Heber <heber@…>, 17 years ago

new header file for the vector class, new operators +=,*=,*,+
  • Property mode set to 100644
File size: 1.8 KB
Line 
1#ifndef VECTOR_HPP_
2#define VECTOR_HPP_
3
4/** Single vector.
5 * basically, just a x[3] but with helpful functions
6 */
7class vector {
8 public:
9 double x[NDIM];
10
11 vector();
12 ~vector();
13
14 double Distance(const vector *y) const;
15 double PeriodicDistance(const vector *y, const double *cell_size) const;
16 double ScalarProduct(const vector *y) const;
17 double Projection(const vector *y) const;
18 double Norm() const ;
19 double Angle(vector *y) const;
20
21 void AddVector(const vector *y);
22 void SubtractVector(const vector *y);
23 void CopyVector(const vector *y);
24 void RotateVector(const vector *y, const double alpha);
25 void Zero();
26 void Normalize();
27 void Translate(const vector *x);
28 void Mirror(const vector *x);
29 void Scale(double **factor);
30 void Scale(double *factor);
31 void Scale(double factor);
32 void MatrixMultiplication(double *M);
33 void InverseMatrixMultiplication(double *M);
34 void KeepPeriodic(ofstream *out, double *matrix);
35 void LinearCombinationOfVectors(const vector *x1, const vector *x2, const vector *x3, double *factors);
36
37 bool GetOneNormalVector(const vector *x1);
38 bool MakeNormalVector(const vector *y1);
39 bool MakeNormalVector(const vector *y1, const vector *y2);
40 bool MakeNormalVector(const vector *x1, const vector *x2, const vector *x3);
41 bool SolveSystem(vector *x1, vector *x2, vector *y, double alpha, double beta, double c);
42 bool LSQdistance(vector **vectors, int dim);
43
44 void AskPosition(double *cell_size, bool check);
45 bool Output(ofstream *out) const;
46};
47
48ofstream& operator<<(ofstream& ost, vector& m);
49vector& operator+=(vector& a, const vector& b);
50vector& operator*=(vector& a, const double m);
51vector& operator*(const vector& a, const double m);
52vector& operator+(const vector& a, const vector& b);
53
54#endif /*VECTOR_HPP_*/
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