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Diff: Array_Matrix/Matrix.hpp
- Revision:
- 0:4e245f4bc8ac
diff -r 000000000000 -r 4e245f4bc8ac Array_Matrix/Matrix.hpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Array_Matrix/Matrix.hpp Fri Jun 07 05:06:42 2019 +0000 @@ -0,0 +1,58 @@ +//------------------------------------------------------------------------------ +// Generic 2-dimensional array class ---- Matrix +// +// 2016/05/22, Copyright (c) 2016 MIKAMI, Naoki +//------------------------------------------------------------------------------ + +#ifndef MIKAMI_MATRIX_HPP +#define MIKAMI_MATRIX_HPP + +#include "Array.hpp" + +namespace Mikami +{ + template <class T> class Matrix + { + public: + explicit Matrix(int rows = 1, int cols = 1); + Matrix(int rows, int cols, T initialValue); + void Fill(T val); + void SetSize(int rows, int cols); // setting size + Array<T>& operator[](int i) { return vv_[i]; } // assign by element + const Array<T>& operator[](int i) const { return vv_[i]; } //get element + int Rows() const { return vv_.Length(); } + int Cols() const { return vv_[0].Length(); } + private: + Array< Array<T> > vv_; + }; + +//----------------------------------------------------------------------- +// implementation of generic 2-dimensional array class +//----------------------------------------------------------------------- + template <class T> Matrix<T>::Matrix(int rows, int cols): vv_(rows) + { + Array<T> a(cols); + for (int i=0; i<rows; i++) vv_[i] = a; + } + + template <class T> Matrix<T>::Matrix(int rows, int cols, T initialValue) + : vv_(rows) + { + Array<T> a(cols, initialValue); + for (int i=0; i<rows; i++) vv_[i] = a; + } + + template <class T> void Matrix<T>::Fill(T val) + { + for (int n=0; n<Rows(); n++) vv_[n].Fill(val); + } + + template <class T> void Matrix<T>::SetSize(int rows, int cols) + { + Array<T> a(cols); + vv_.SetSize(rows); + for (int i=0; i<rows; i++) vv_[i] = a; + } +} +#endif // MIKAMI_MATRIX_HPP +