namespace odml {

namespace {

// Facilitate access to 1-d backing data for a tensor so that values in a 1-d
// slice of the tensor can be accessed as if part of an ArrayView.
class StridedArrayViewBase {
 protected:
  StridedArrayViewBase(ArrayRef<int64_t> shape, ArrayRef<int64_t> index,
                       int64_t axis) {
    assert(shape.size() == index.size());
    assert(axis < shape.size());
    assert(axis >= 0);