ch-04-ex-04-solution.cpp
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	/*
	* chapter-04-exercise-04.cpp
	*
	* Dynamic memory for 2D matrices
	*
	* Created on: Sep 24, 2012
	* Author: Radu Popescu <radu.popescu@epfl.ch>
	*/

	#include <iostream>

	int main(int argc, char *argv[]) {
	// Do everything one billion times
	for (int n = 0; n < 1000000000; ++n) {
	// Allocate matrices
	double *A = new double [2];
	double *B = new double [2];
	double *C = new double [2];
	for (int i = 0; i < 2; ++i) {
	A[i] = new double[2];
	B[i] = new double[2];
	C[i] = new double[2];
	}

	// Assign values to A and B
	A[0][0] = 1.0;
	A[0][1] = 2.0;
	A[1][0] = 3.0;
	A[1][1] = 4.0;
	B[0][0] = 1.0;
	B[0][1] = 2.0;
	B[1][0] = 3.0;
	B[1][1] = 4.0;

	// Compute C = A + B
	for (int i = 0; i < 2; ++i) {
	for (int j = 0; j < 2; ++j) {
	C[i][j] = A[i][j] + B[i][j];
	}
	}
	std::cout << "The matrix C is: " << std::endl;
	for (int i = 0; i < 2; ++i) {
	for (int j = 0; j < 2; ++j) {
	std::cout << C[i][j] << " ";
	}
	std::cout << std::endl;
	}

	// Cleanup
	for (int i = 0; i < 2; ++i) {
	delete[] A[i];
	delete[] B[i];
	delete[] C[i];
	}
	delete[] A;
	delete[] B;
	delete[] C;
	}

	return 0;
	}