import torch
import torch.nn as nn


def hflip(input: 'torch.Tensor') ->torch.Tensor:
    return torch.flip(input, [-1])


class Hflip(nn.Module):
    """Horizontally flip a tensor image or a batch of tensor images. Input must
    be a tensor of shape (C, H, W) or a batch of tensors :math:`(*, C, H, W)`.

    Args:
        input (torch.Tensor): input tensor

    Returns:
        torch.Tensor: The horizontally flipped image tensor

    Examples:
        >>> hflip = Hflip()
        >>> input = torch.tensor([[[
        ...    [0., 0., 0.],
        ...    [0., 0., 0.],
        ...    [0., 1., 1.]
        ... ]]])
        >>> hflip(input)
        tensor([[[[0., 0., 0.],
                  [0., 0., 0.],
                  [1., 1., 0.]]]])
    """

    def __init__(self) ->None:
        super(Hflip, self).__init__()

    def forward(self, input: 'torch.Tensor') ->torch.Tensor:
        return hflip(input)

    def __repr__(self):
        return self.__class__.__name__


def get_inputs():
    return [torch.rand([4, 4, 4, 4])]


def get_init_inputs():
    return [[], {}]

import torch
import triton
import triton.language as tl
from torch._inductor.runtime.triton_heuristics import grid
from torch._C import _cuda_getCurrentRawStream as get_raw_stream
import torch.nn as nn
assert_size_stride = torch._C._dynamo.guards.assert_size_stride
empty_strided_cuda = torch._C._dynamo.guards._empty_strided_cuda


@triton.jit
def triton_poi_fused_flip_0(in_ptr0, out_ptr0, xnumel, XBLOCK: tl.constexpr):
    xnumel = 256
    xoffset = tl.program_id(0) * XBLOCK
    xindex = xoffset + tl.arange(0, XBLOCK)[:]
    xmask = xindex < xnumel
    x0 = xindex % 4
    x1 = xindex // 4
    x2 = xindex
    tmp0 = tl.load(in_ptr0 + (3 + -1 * x0 + 4 * x1), xmask, eviction_policy
        ='evict_last')
    tl.store(out_ptr0 + x2, tmp0, xmask)


def call(args):
    arg0_1, = args
    args.clear()
    assert_size_stride(arg0_1, (4, 4, 4, 4), (64, 16, 4, 1))
    with torch.cuda._DeviceGuard(0):
        torch.cuda.set_device(0)
        buf0 = empty_strided_cuda((4, 4, 4, 4), (64, 16, 4, 1), torch.float32)
        get_raw_stream(0)
        triton_poi_fused_flip_0[grid(256)](arg0_1, buf0, 256, XBLOCK=256,
            num_warps=4, num_stages=1)
        del arg0_1
    return buf0,


def hflip(input: 'torch.Tensor') ->torch.Tensor:
    return torch.flip(input, [-1])


class HflipNew(nn.Module):
    """Horizontally flip a tensor image or a batch of tensor images. Input must
    be a tensor of shape (C, H, W) or a batch of tensors :math:`(*, C, H, W)`.

    Args:
        input (torch.Tensor): input tensor

    Returns:
        torch.Tensor: The horizontally flipped image tensor

    Examples:
        >>> hflip = Hflip()
        >>> input = torch.tensor([[[
        ...    [0., 0., 0.],
        ...    [0., 0., 0.],
        ...    [0., 1., 1.]
        ... ]]])
        >>> hflip(input)
        tensor([[[[0., 0., 0.],
                  [0., 0., 0.],
                  [1., 1., 0.]]]])
    """

    def __init__(self) ->None:
        super(HflipNew, self).__init__()

    def __repr__(self):
        return self.__class__.__name__

    def forward(self, input_0):
        arg0_1 = input_0
        output = call([arg0_1])
        return output[0]
