11-31.cpp

#include "kmatrix.hpp"

#include <iostream>

using namespace std;

template<class Iter_T>
void outputRowOrColumn(Iter_T iter, int n) {
  for (int i=0; i < n; ++i) {
    cout << iter[i] << " ";
  }
  cout << endl;
}

template<class Matrix_T>
void initializeMatrix(Matrix_T& m) {
  int k = 0;
  for (int i=0; i < m.rows( ); ++i) {
    for (int j=0; j < m.cols( ); ++j) {
      m[i][j] = k++;
    }
  }
}

template<class Matrix_T>
void outputMatrix(Matrix_T& m) {
  for (int i=0; i < m.rows( ); ++i) {
    cout << "Row " << i << " = ";
    outputRowOrColumn(m.row(i), m.cols( ));
  }
  for (int i=0; i < m.cols( ); ++i) {
    cout << "Column " << i << " = ";
    outputRowOrColumn(m.col(i), m.rows( ));
  }
}

int main( )
{
  kmatrix<int, 2, 4> m;
  initializeMatrix(m);
  m *= 2;
  outputMatrix(m);
}