# Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
#
# This source code is licensed under the BSD license found in the
# LICENSE file in the root directory of this source tree.

from typing import Tuple, TypeVar

import torch
from pyre_extensions import TypeVarTuple, Unpack
from torch import Tensor

Ts = TypeVarTuple("Ts")
DType = TypeVar("DType")

def _calculate_fan_in_and_fan_out(tensor: Tensor) -> Tuple[int, int]: ...
def constant_(
    tensor: Tensor[DType, Unpack[Ts]], val: float
) -> Tensor[DType, Unpack[Ts]]: ...
def kaiming_uniform_(
    tensor: Tensor[DType, Unpack[Ts]], a=0, mode="fan_in", nonlinearity="leaky_relu"
) -> Tensor[DType, Unpack[Ts]]: ...
def normal_(
    tensor: Tensor[DType, Unpack[Ts]], mean: float = ..., std: float = ...
) -> Tensor[DType, Unpack[Ts]]: ...
def uniform_(
    tensor: Tensor[DType, Unpack[Ts]], a: float = ..., b: float = ...
) -> Tensor[DType, Unpack[Ts]]: ...
def _no_grad_uniform_(tensor: Tensor, a, b): ...
def xavier_uniform_(tensor: Tensor, gain: float = ...) -> Tensor: ...