'''simple docstring'''
# Copyright 2023 The HuggingFace Team. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from typing import TYPE_CHECKING

# rely on isort to merge the imports
from ...utils import (
    OptionalDependencyNotAvailable,
    _LazyModule,
    is_torch_available,
)


_A		:      int						   ={
    """configuration_convnextv2""": [
        """CONVNEXTV2_PRETRAINED_CONFIG_ARCHIVE_MAP""",
        """ConvNextV2Config""",
    ]
}

try:
 if not is_torch_available():
  raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
 pass
else:
 _A		:      Any						   =[
     """CONVNEXTV2_PRETRAINED_MODEL_ARCHIVE_LIST""",
     """ConvNextV2ForImageClassification""",
     """ConvNextV2Model""",
     """ConvNextV2PreTrainedModel""",
     """ConvNextV2Backbone""",
 ]


if TYPE_CHECKING:
 from .configuration_convnextva import (
     CONVNEXTV2_PRETRAINED_CONFIG_ARCHIVE_MAP,
     ConvNextVaConfig,
 )

 try:
  if not is_torch_available():
   raise OptionalDependencyNotAvailable()
 except OptionalDependencyNotAvailable:
  pass
 else:
  from .modeling_convnextva import (
      CONVNEXTV2_PRETRAINED_MODEL_ARCHIVE_LIST,
      ConvNextVaBackbone,
      ConvNextVaForImageClassification,
      ConvNextVaModel,
      ConvNextVaPreTrainedModel,
  )

else:
 import sys

 _A		:      List[Any]						   =_LazyModule(__name__, globals()['''__file__'''], _import_structure)



import torch.nn as nn

from .imports import is_fpa_available


if is_fpa_available():
						import transformer_engine.pytorch as te



def       lowerCAmelCase			(		lowerCAmelCase_			, lowerCAmelCase_=True			, lowerCAmelCase_=True			, lowerCAmelCase_=True			)->			Union[str, Any]:
				if not is_fpa_available():
								raise ImportError('''Using `convert_model` requires transformer_engine to be installed.'''			)
				for name, module in model.named_children():
								if isinstance(lowerCAmelCase_			, nn.Linear			) and to_transformer_engine and _convert_linear:
												# Return early if the linear layer weights are not multiples of 16
												if any(p % 16 != 0 for p in module.weight.shape			):
																return
												lowerCAmelCase_			:   Optional[int]     					=					module.bias is not None
												lowerCAmelCase_			:   Any     					=					te.Linear(
												    module.in_features			, module.out_features			, bias=lowerCAmelCase_			, params_dtype=module.weight.dtype			)
												lowerCAmelCase_			:   Dict     					=					module.weight.data.clone()
												if has_bias:
																lowerCAmelCase_			:   Any     					=					module.bias.data.clone()

												setattr(lowerCAmelCase_			, lowerCAmelCase_			, lowerCAmelCase_			)
								elif isinstance(lowerCAmelCase_			, nn.LayerNorm			) and to_transformer_engine and _convert_ln:
												lowerCAmelCase_			:   List[str]     					=					te.LayerNorm(module.normalized_shape[0]			, eps=module.eps			, params_dtype=module.weight.dtype			)
												lowerCAmelCase_			:   Union[str, Any]     					=					module.weight.data.clone()
												lowerCAmelCase_			:   List[Any]     					=					module.bias.data.clone()

												setattr(lowerCAmelCase_			, lowerCAmelCase_			, lowerCAmelCase_			)
								elif isinstance(lowerCAmelCase_			, te.Linear			) and not to_transformer_engine and _convert_linear:
												lowerCAmelCase_			:   Dict     					=					module.bias is not None
												lowerCAmelCase_			:   Union[str, Any]     					=					nn.Linear(
												    module.in_features			, module.out_features			, bias=lowerCAmelCase_			, params_dtype=module.weight.dtype			)
												lowerCAmelCase_			:   Optional[Any]     					=					module.weight.data.clone()
												if has_bias:
																lowerCAmelCase_			:   Union[str, Any]     					=					module.bias.data.clone()

												setattr(lowerCAmelCase_			, lowerCAmelCase_			, lowerCAmelCase_			)
								elif isinstance(lowerCAmelCase_			, te.LayerNorm			) and not to_transformer_engine and _convert_ln:
												lowerCAmelCase_			:   Union[str, Any]     					=					nn.LayerNorm(module.normalized_shape[0]			, eps=module.eps			, params_dtype=module.weight.dtype			)
												lowerCAmelCase_			:   List[str]     					=					module.weight.data.clone()
												lowerCAmelCase_			:   List[Any]     					=					module.bias.data.clone()

												setattr(lowerCAmelCase_			, lowerCAmelCase_			, lowerCAmelCase_			)
								else:
												convert_model(
												    lowerCAmelCase_			, to_transformer_engine=lowerCAmelCase_			, _convert_linear=_convert_linear			, _convert_ln=_convert_ln			, )




def       lowerCAmelCase			(		lowerCAmelCase_			)->			str:
				if not is_fpa_available():
								raise ImportError('''Using `has_transformer_engine_layers` requires transformer_engine to be installed.'''			)
				for m in model.modules():
								if isinstance(lowerCAmelCase_			, (te.LayerNorm, te.Linear)			):
												return True
				return False