ch-05-FunctionOverloading.cpp
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	/*
	* ch-05-FunctionOverloading.cpp
	*
	* Function Overloading
	*
	* Created on: Oct 5, 2012
	* Author: Simone Deparis <simone.deparis@epfl.ch>
	*/


	#include <iostream>

	void Multiply(double scalar, double* u, double* v, int n);

	void Multiply(double scalar, double A, double B, int n);

	int main(int argc, char* argv[])
	{
	int n = 2;
	double* u = new double [n];
	double* v = new double [n];
	double** A = new double* [n];
	double** B = new double* [n];
	for (int i=0; i<n; i++)
	{
	A[i] = new double [n];
	B[i] = new double [n];
	}

	u[0] = -8.7; u[1] = 3.2;
	A[0][0] = 2.3; A[0][1] = -7.6;
	A[1][0] = 1.3; A[1][1] = 45.3;
	double s = 2.3, t = 4.8;

	// vector multiplication
	Multiply(s, u, v, n);

	// matrix multiplication
	Multiply(t, A, B, n);

	delete[] u;
	delete[] v;
	for (int i=0; i<n; i++)
	{
	delete[] A[i];
	delete[] B[i];
	}
	delete[] A;
	delete[] B;

	return 0;
	}

	void Multiply(double scalar, double* u, double* v, int n)
	{
	// v = scalar*u (scalar by vector)
	for (int i=0; i<n; i++)
	{
	v[i] = scalar*u[i];
	}
	}

	void Multiply(double scalar, double A, double B, int n)

	{
	// B = scalar*A (scalar by matrix)
	for (int i=0; i<n; i++)
	{
	for (int j=0; j<n; j++)
	{
	B[i][j] = scalar*A[i][j];
	}
	}
	}