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New helper functions #9

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42 changes: 41 additions & 1 deletion src/ragged-stubs/_helper_functions.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -26,9 +26,12 @@
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.

from typing import TypeVar, overload
from typing import Literal, TypeVar, overload

import numpy as np
from typing_extensions import Unpack

from ._spec_array_object import array

@overload
def regularise_to_float(
Expand All @@ -45,6 +48,43 @@ def regularise_to_float(
@overload
def regularise_to_float(t: np.dtype[_SCT]) -> np.dtype[_SCT]: ...

@overload
def is_effectively_regular(
x: array[tuple[int, None, Unpack[tuple[int | None, ...]]]],
) -> bool: ...
@overload
def is_effectively_regular(x: array[tuple[()]]) -> Literal[False]: ...
@overload
def is_effectively_regular(x: array[tuple[int]]) -> Literal[False]: ...
@overload
def is_effectively_regular(
x: array[tuple[int, int, Unpack[tuple[int | None, ...]]]],
) -> Literal[True]: ...
@overload
def is_effectively_regular(x: array[tuple[int, ...]]) -> bool: ...
@overload
def is_effectively_regular(
x: array[tuple[int, Unpack[tuple[int | None, ...]]]],
) -> bool: ...

@overload
def is_regular_or_effectively_regular(
x: array[tuple[int, None, Unpack[tuple[int | None, ...]]]],
) -> bool: ...
@overload
def is_regular_or_effectively_regular(
x: array[tuple[()]],
) -> Literal[False]: ...
@overload
def is_regular_or_effectively_regular(
x: array[tuple[int]],
) -> Literal[False]: ...
@overload
def is_regular_or_effectively_regular(
x: array[tuple[int, int, Unpack[tuple[int | None, ...]]]],
) -> Literal[True]: ...
def is_regular_or_effectively_regular(x: object) -> bool: ...

_CanFloat16 = TypeVar("_CanFloat16", np.int8, np.uint8, np.bool_)
_CanFloat32 = TypeVar("_CanFloat32", np.int16, np.uint16)
_CanFloat64 = TypeVar("_CanFloat64", np.int32, np.uint32, np.int64, np.uint64)
Expand Down