bool pydynd::array_contains(const dynd::nd::array& n, PyObject *x)
{
if (n.get_ndo() == NULL) {
return false;
}
if (n.get_ndim() == 0) {
// TODO: Allow for struct types, etc?
throw runtime_error("cannot call __contains__ on a scalar dynd array");
}
// Turn 'n' into type/metadata/data with a uniform_dim leading dimension
nd::array tmp;
ndt::type dt;
const base_uniform_dim_type *budd;
const char *metadata, *data;
if (n.get_type().get_kind() == uniform_dim_kind) {
dt = n.get_type();
budd = static_cast<const base_uniform_dim_type *>(dt.extended());
metadata = n.get_ndo_meta();
data = n.get_readonly_originptr();
} else {
tmp = n.eval();
if (tmp.get_type().get_kind() != uniform_dim_kind) {
throw runtime_error("internal error in array_contains: expected uniform_dim kind after eval() call");
}
dt = tmp.get_type();
budd = static_cast<const base_uniform_dim_type *>(dt.extended());
metadata = tmp.get_ndo_meta();
data = tmp.get_readonly_originptr();
}
// Turn 'x' into a dynd array, and make a comparison kernel
nd::array x_ndo = array_from_py(x, 0, false);
const ndt::type& x_dt = x_ndo.get_type();
const char *x_metadata = x_ndo.get_ndo_meta();
const char *x_data = x_ndo.get_readonly_originptr();
const ndt::type& child_dt = budd->get_element_type();
const char *child_metadata = metadata + budd->get_element_metadata_offset();
comparison_ckernel_builder k;
try {
make_comparison_kernel(&k, 0,
x_dt, x_metadata, child_dt, child_metadata,
comparison_type_equal, &eval::default_eval_context);
} catch(const not_comparable_error&) {
return false;
}
contains_data aux;
aux.x_data = x_data;
aux.k = &k;
aux.found = false;
budd->foreach_leading(const_cast<char *>(data), metadata, &contains_callback, &aux);
return aux.found;
}
dynd::nd::array pydynd::array_eval(const dynd::nd::array &n)
{
return n.eval();
}
dynd::nd::array pydynd::array_eval(const dynd::nd::array &n, PyObject *ectx_obj)
{
return n.eval(eval_context_from_pyobj(ectx_obj));
}