/* The following code example is taken from the book * "C++ Templates - The Complete Guide" * by David Vandevoorde and Nicolai M. Josuttis, Addison-Wesley, 2002 * * (C) Copyright David Vandevoorde and Nicolai M. Josuttis 2002. * Permission to copy, use, modify, sell and distribute this software * is granted provided this copyright notice appears in all copies. * This software is provided "as is" without express or implied * warranty, and with no claim as to its suitability for any purpose. */#include <iostream>#include "loop2.hpp"int main(){    int a[3] = { 1, 2, 3};    int b[3] = { 5, 6, 7};    std::cout << "dot_product<3>(a,b) = " << dot_product<3>(a,b)              << '\n';    std::cout << "dot_product<3>(a,a) = " << dot_product<3>(a,a)              << '\n';}