src/map/matrix.h

   1 #ifndef MATRIX_H
   2 #define MATRIX_H
   3
   4 #include <cstddef>
   5 #include <cfloat>
   6 #include <QDebug>
   7
   8 class Matrix
   9 {
  10 public:
  11         Matrix() {_h = 0; _w = 0; _m = 0;}
  12         Matrix(size_t h, size_t w);
  13         Matrix(const Matrix& M);
  14         ~Matrix();
  15
  16         size_t h() const {return _h;}
  17         size_t w() const {return _w;}
  18         double &m(size_t i, size_t j) {return _m[_w * i + j];}
  19         double const &m(size_t i, size_t j) const {return _m[_w * i + j];}
  20
  21         bool isNull() const {return (_h == 0 || _w == 0);}
  22
  23         void zeroize();
  24         bool eliminate(double epsilon = DBL_EPSILON);
  25         Matrix augemented(const Matrix &M) const;
  26
  27 private:
  28         double *_m;
  29         size_t _h;
  30         size_t _w;
  31 };
  32
  33 #ifndef QT_NO_DEBUG
  34 QDebug operator<<(QDebug dbg, const Matrix &matrix);
  35 #endif // QT_NO_DEBUG
  36
  37 #endif // MATRIX_H