mat3d.hpp
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1 
5 /* Copyright (c) 2010 Taneli Kalvas. All rights reserved.
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42 
43 #ifndef MAT3D_HPP
44 #define MAT3D_HPP 1
45 
46 
47 #include "vec3d.hpp"
48 
49 
58 class Mat3D {
59 
60  double a[9];
61 
62 public:
63 
66  Mat3D();
67 
70  Mat3D( double a11, double a12, double a13,
71  double a21, double a22, double a23,
72  double a31, double a32, double a33 );
73 
76  ~Mat3D() {}
77 
78 
81  double &operator[]( int i ) {
82  return( a[i] );
83  }
84 
87  const double &operator[]( int i ) const {
88  return( a[i] );
89  }
90 
93  double determinant( void ) const;
94 
97  Mat3D inverse( void ) const;
98 
101  Vec3D operator*( const Vec3D &x ) const;
102 
103 
106  friend std::ostream &operator<<( std::ostream &os, const Mat3D &m );
107 };
108 
109 
110 #endif
111 
friend std::ostream & operator<<(std::ostream &os, const Mat3D &m)
Outputting to stream.
Mat3D inverse(void) const
Return inverse matrix.
double & operator[](int i)
Indexing for matrix.
Definition: mat3d.hpp:81
double determinant(void) const
Return determinant of matrix.
~Mat3D()
Destructor.
Definition: mat3d.hpp:76
Three dimensional vectors.
Vec3D operator*(const Vec3D &x) const
Matrix-vector multiplication.
Mat3D()
Constructor for zero matrix.
Three-by-three matrix.
Definition: mat3d.hpp:58
Three dimensional vector.
Definition: vec3d.hpp:58
const double & operator[](int i) const
Indexing for constant matrix.
Definition: mat3d.hpp:87