/// Copy vector from builtin backend.
static boost::shared_ptr<vector>
copy_vector(typename builtin<value_type>::vector const &x, const params&)
{
boost::shared_ptr<vector> v = boost::make_shared<vector>(x.size());
::viennacl::fast_copy(x, *v);
return v;
}
/// Copy vector from builtin backend.
static boost::shared_ptr<vector>
copy_vector(typename builtin<real>::vector const &x, const params&)
{
return boost::make_shared<vector>(
Eigen::Map<const vector>(&x[0], x.size())
);
}
/// Copy vector from builtin backend.
static std::shared_ptr<vector>
copy_vector(typename builtin<real>::vector const &x, const params&)
{
auto v = std::make_shared<vector>(x.size(), &x[0]);
return v;
}