不韋 呂 / Array_Matrix

Generic class libraries for 1D array and 2D array: Array and Matrix. 1次元および2次元配列用の汎用クラスライブラリ: Array と Matrix.

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Matrix.hpp@4:d3aa1ddb57e1, 2020-12-19 (annotated)

Committer:
MikamiUitOpen
Date:
Sat Dec 19 08:22:52 2020 +0000
Revision:
4:d3aa1ddb57e1
Parent:
0:efe9b1f01090 
5

Who changed what in which revision?

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MikamiUitOpen 0:efe9b1f01090 1 //------------------------------------------------------------------------------
MikamiUitOpen 0:efe9b1f01090 2 // Generic 2-dimensional array class ---- Matrix
MikamiUitOpen 0:efe9b1f01090 3 //
MikamiUitOpen 4:d3aa1ddb57e1 4 // 2020/12/19, Copyright (c) 2020 MIKAMI, Naoki
MikamiUitOpen 0:efe9b1f01090 5 //------------------------------------------------------------------------------
MikamiUitOpen 0:efe9b1f01090 6
MikamiUitOpen 0:efe9b1f01090 7 #ifndef MIKAMI_MATRIX_HPP
MikamiUitOpen 0:efe9b1f01090 8 #define MIKAMI_MATRIX_HPP
MikamiUitOpen 0:efe9b1f01090 9
MikamiUitOpen 0:efe9b1f01090 10 #include "Array.hpp"
MikamiUitOpen 0:efe9b1f01090 11
MikamiUitOpen 0:efe9b1f01090 12 namespace Mikami
MikamiUitOpen 0:efe9b1f01090 13 {
MikamiUitOpen 0:efe9b1f01090 14 template <class T> class Matrix
MikamiUitOpen 0:efe9b1f01090 15 {
MikamiUitOpen 0:efe9b1f01090 16 public:
MikamiUitOpen 0:efe9b1f01090 17 explicit Matrix(int rows = 1, int cols = 1);
MikamiUitOpen 4:d3aa1ddb57e1 18 Matrix(int rows, int cols, T initialVal);
MikamiUitOpen 0:efe9b1f01090 19 void Fill(T val);
MikamiUitOpen 0:efe9b1f01090 20 void SetSize(int rows, int cols); // setting size
MikamiUitOpen 0:efe9b1f01090 21 Array<T>& operator[](int i) { return vv_[i]; } // assign by element
MikamiUitOpen 4:d3aa1ddb57e1 22 const Array<T>& operator[](int i) const { return vv_[i]; } // get element
MikamiUitOpen 0:efe9b1f01090 23 int Rows() const { return vv_.Length(); }
MikamiUitOpen 0:efe9b1f01090 24 int Cols() const { return vv_[0].Length(); }
MikamiUitOpen 0:efe9b1f01090 25 private:
MikamiUitOpen 0:efe9b1f01090 26 Array< Array<T> > vv_;
MikamiUitOpen 0:efe9b1f01090 27 };
MikamiUitOpen 0:efe9b1f01090 28
MikamiUitOpen 0:efe9b1f01090 29 //-----------------------------------------------------------------------
MikamiUitOpen 0:efe9b1f01090 30 // implementation of generic 2-dimensional array class
MikamiUitOpen 0:efe9b1f01090 31 //-----------------------------------------------------------------------
MikamiUitOpen 0:efe9b1f01090 32 template <class T> Matrix<T>::Matrix(int rows, int cols): vv_(rows)
MikamiUitOpen 0:efe9b1f01090 33 {
MikamiUitOpen 0:efe9b1f01090 34 Array<T> a(cols);
MikamiUitOpen 0:efe9b1f01090 35 for (int i=0; i<rows; i++) vv_[i] = a;
MikamiUitOpen 0:efe9b1f01090 36 }
MikamiUitOpen 0:efe9b1f01090 37
MikamiUitOpen 4:d3aa1ddb57e1 38 template <class T> Matrix<T>::Matrix(int rows, int cols, T initialVal)
MikamiUitOpen 0:efe9b1f01090 39 : vv_(rows)
MikamiUitOpen 0:efe9b1f01090 40 {
MikamiUitOpen 4:d3aa1ddb57e1 41 Array<T> a(cols, initialVal);
MikamiUitOpen 0:efe9b1f01090 42 for (int i=0; i<rows; i++) vv_[i] = a;
MikamiUitOpen 0:efe9b1f01090 43 }
MikamiUitOpen 0:efe9b1f01090 44
MikamiUitOpen 0:efe9b1f01090 45 template <class T> void Matrix<T>::Fill(T val)
MikamiUitOpen 0:efe9b1f01090 46 {
MikamiUitOpen 0:efe9b1f01090 47 for (int n=0; n<Rows(); n++) vv_[n].Fill(val);
MikamiUitOpen 0:efe9b1f01090 48 }
MikamiUitOpen 0:efe9b1f01090 49
MikamiUitOpen 0:efe9b1f01090 50 template <class T> void Matrix<T>::SetSize(int rows, int cols)
MikamiUitOpen 0:efe9b1f01090 51 {
MikamiUitOpen 0:efe9b1f01090 52 Array<T> a(cols);
MikamiUitOpen 0:efe9b1f01090 53 vv_.SetSize(rows);
MikamiUitOpen 0:efe9b1f01090 54 for (int i=0; i<rows; i++) vv_[i] = a;
MikamiUitOpen 0:efe9b1f01090 55 }
MikamiUitOpen 0:efe9b1f01090 56 }
MikamiUitOpen 4:d3aa1ddb57e1 57 #endif // MIKAMI_MATRIX_HPP