vector_slice<VectorType> project(viennacl::vector_slice<VectorType> & vec, viennacl::range const & r1)
{
assert(r1.size() <= vec.size() && bool("Size of slice larger than vector proxy!"));
return vector_slice<VectorType>(vec, viennacl::slice(vec.start() + r1.start(), vec.stride(), r1.size()));
}
typename result_of::size_type<VectorType>::type
stride(viennacl::vector_slice<VectorType> const & s) { return s.stride(); }