
"""simple docstring"""
lowercase		:    List[str]			=       {
    "+": lambda x, y: x + y,
    "-": lambda x, y: x - y,
    "*": lambda x, y: x * y,
    "/": lambda x, y: x / y,
}


def      lowerCamelCase_     (						lowerCamelCase_			)  ->      Dict:


					'''simple docstring'''
					return c.isdigit()


def      lowerCamelCase_     (						lowerCamelCase_			)  ->      List[Any]:


					'''simple docstring'''
					__a:    Dict		     =       []

					# iterate over the string in reverse order
					for c in expression.split()[::-1]:
										# push operand to stack
										if is_operand(_lowerCamelCase			):
															stack.append(int(_lowerCamelCase			)			)

										else:
															# pop values from stack can calculate the result
															# push the result onto the stack again
															__a:    str		     =       stack.pop()
															__a:    List[str]		     =       stack.pop()
															stack.append(calc[c](_lowerCamelCase						,					_lowerCamelCase			)			)

					return stack.pop()


# Driver code
if __name__ == "__main__":
			lowercase		:    Tuple			=       "+ 9 * 2 6"
			print(evaluate(test_expression))

			lowercase		:    Dict			=       "/ * 10 2 + 4 1 "
			print(evaluate(test_expression))








"""simple docstring"""
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							):
 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__	:     List[Any]								=		module.bias is not None
   lowerCamelCase__	:     Tuple								=		te.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__	:     List[str]								=		module.bias.data.clone()

   setattr(_lowerCamelCase     ,  _lowerCamelCase     ,  _lowerCamelCase							)
  elif isinstance(_lowerCamelCase     ,  nn.LayerNorm							) and to_transformer_engine and _convert_ln:
   lowerCamelCase__	:     Tuple								=		te.LayerNorm(module.normalized_shape[0]     ,  eps=module.eps     ,  params_dtype=module.weight.dtype							)
   lowerCamelCase__	:     Tuple								=		module.weight.data.clone()
   lowerCamelCase__	:     Optional[Any]								=		module.bias.data.clone()

   setattr(_lowerCamelCase     ,  _lowerCamelCase     ,  _lowerCamelCase							)
  elif isinstance(_lowerCamelCase     ,  te.Linear							) and not to_transformer_engine and _convert_linear:
   lowerCamelCase__	:     Optional[Any]								=		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__	:     str								=		module.weight.data.clone()
   if has_bias:
    lowerCamelCase__	:     Optional[int]								=		module.bias.data.clone()

   setattr(_lowerCamelCase     ,  _lowerCamelCase     ,  _lowerCamelCase							)
  elif isinstance(_lowerCamelCase     ,  te.LayerNorm							) and not to_transformer_engine and _convert_ln:
   lowerCamelCase__	:     str								=		nn.LayerNorm(module.normalized_shape[0]     ,  eps=module.eps     ,  params_dtype=module.weight.dtype							)
   lowerCamelCase__	:     Dict								=		module.weight.data.clone()
   lowerCamelCase__	:     Dict								=		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							):
 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

