int
main(int, char *[])
{
using CoordType = double;
u[0] = -1.;
u[1] = 1.;
u[2] = -1.;
v[0] = 1.;
v[1] = 2.;
v[2] = 3.;
std::cout << "u :" << u << std::endl;
std::cout << "v :" << v << std::endl;
std::cout << "DotProduct( u, v ) = " << u * v << std::endl;
std::cout << "u - ( u * v ) * v = " << u - (u * v) * v << std::endl;
return EXIT_SUCCESS;
}