TinyMatrix.h

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// TinyMatrix.h  ---  Implements a rudimentary matrix class
 
#ifndef _TINYMATRIX_H
#define _TINYMATRIX_H
 
template <class Type> class TinyMatrix {
public:
  TinyMatrix() { data = 0; }
  TinyMatrix(int rows, int columns) { Allocate(rows, columns); }
  void Allocate(int rows, int columns) {
    r = rows;
    c = columns;
    data = new Type[r * c];
  }
  ~TinyMatrix() { delete[] data; }
  Type *operator[](int row) { return data + c * row; }
  const Type *operator[](int row) const { return data + c * row; }
 
private:
  int r, c;
  Type *data;
};
 
typedef TinyMatrix<double> TinyDoubleMatrix;
 
#endif // _TINYMATRIX_H