
'''simple docstring'''

import os
import re
import shutil
import sys
import tempfile
import unittest

import black


snake_case									=    os.path.abspath(os.path.dirname(os.path.dirname(os.path.dirname(__file__))))
sys.path.append(os.path.join(git_repo_path, """utils"""))

import check_copies  # noqa: E402


# This is the reference code that will be used in the tests.
# If DDPMSchedulerOutput is changed in scheduling_ddpm.py, this code needs to be manually updated.
snake_case									=    """    \"\"\"
    Output class for the scheduler's step function output.

    Args:
        prev_sample (`torch.FloatTensor` of shape `(batch_size, num_channels, height, width)` for images):
            Computed sample (x_{t-1}) of previous timestep. `prev_sample` should be used as next model input in the
            denoising loop.
        pred_original_sample (`torch.FloatTensor` of shape `(batch_size, num_channels, height, width)` for images):
            The predicted denoised sample (x_{0}) based on the model output from the current timestep.
            `pred_original_sample` can be used to preview progress or for guidance.
    \"\"\"

    prev_sample: torch.FloatTensor
    pred_original_sample: Optional[torch.FloatTensor] = None
"""




class    lowerCAmelCase       (     unittest.TestCase  ):


 def    _A	(    self  : List[str]    ):
  '''simple docstring'''

  lowerCAmelCase__     :   Dict     		=	tempfile.mkdtemp()
  os.makedirs(os.path.join(self.diffusers_dir			,							"schedulers/"    )    )
  lowerCAmelCase__     :   int     		=	self.diffusers_dir
  shutil.copy(
      os.path.join(a__			,							"src/diffusers/schedulers/scheduling_ddpm.py"    )			,							os.path.join(self.diffusers_dir			,							"schedulers/scheduling_ddpm.py"    )			,							)


 def    _A	(    self  : Optional[int]    ):
  '''simple docstring'''

  lowerCAmelCase__     :   Optional[int]     		=	"src/diffusers"
  shutil.rmtree(self.diffusers_dir    )


 def    _A	(    self  : Dict			,							a__  : Optional[Any]			,							a__  : Optional[int]			,							a__  : Union[str, Any]			,							a__  : Dict=None    ):
  '''simple docstring'''

  lowerCAmelCase__     :   Union[str, Any]     		=	comment + F'''\nclass {class_name}(nn.Module):\n''' + class_code
  if overwrite_result is not None:
   lowerCAmelCase__     :   Any     		=	comment + F'''\nclass {class_name}(nn.Module):\n''' + overwrite_result
  lowerCAmelCase__     :   int     		=	black.Mode(target_versions={black.TargetVersion.PYaa}			,							line_length=119    )
  lowerCAmelCase__     :   Union[str, Any]     		=	black.format_str(a__			,							mode=a__    )
  lowerCAmelCase__     :   Union[str, Any]     		=	os.path.join(self.diffusers_dir			,							"new_code.py"    )
  with open(a__			,							"w"			,							newline="\n"    ) as f:
   f.write(a__    )
  if overwrite_result is None:
   self.assertTrue(len(check_copies.is_copy_consistent(a__    )    ) == 0    )
  else:
   check_copies.is_copy_consistent(f.name			,							overwrite=a__    )
   with open(a__			,							"r"    ) as f:
    self.assertTrue(f.read()			,							a__    )


 def    _A	(    self  : Union[str, Any]    ):
  '''simple docstring'''

  lowerCAmelCase__     :   Union[str, Any]     		=	check_copies.find_code_in_diffusers("schedulers.scheduling_ddpm.DDPMSchedulerOutput"    )
  self.assertEqual(a__			,							a__    )


 def    _A	(    self  : Tuple    ):
  '''simple docstring'''

  self.check_copy_consistency(
      "# Copied from diffusers.schedulers.scheduling_ddpm.DDPMSchedulerOutput"			,							"DDPMSchedulerOutput"			,							REFERENCE_CODE + "\n"			,							)

  # With no empty line at the end
  self.check_copy_consistency(
      "# Copied from diffusers.schedulers.scheduling_ddpm.DDPMSchedulerOutput"			,							"DDPMSchedulerOutput"			,							a__			,							)

  # Copy consistency with rename
  self.check_copy_consistency(
      "# Copied from diffusers.schedulers.scheduling_ddpm.DDPMSchedulerOutput with DDPM->Test"			,							"TestSchedulerOutput"			,							re.sub("DDPM"			,							"Test"			,							a__    )			,							)

  # Copy consistency with a really long name
  lowerCAmelCase__     :   List[Any]     		=	"TestClassWithAReallyLongNameBecauseSomePeopleLikeThatForSomeReason"
  self.check_copy_consistency(
      F'''# Copied from diffusers.schedulers.scheduling_ddpm.DDPMSchedulerOutput with DDPM->{long_class_name}'''			,							F'''{long_class_name}SchedulerOutput'''			,							re.sub("Bert"			,							a__			,							a__    )			,							)

  # Copy consistency with overwrite
  self.check_copy_consistency(
      "# Copied from diffusers.schedulers.scheduling_ddpm.DDPMSchedulerOutput with DDPM->Test"			,							"TestSchedulerOutput"			,							a__			,							overwrite_result=re.sub("DDPM"			,							"Test"			,							a__    )			,							)







'''simple docstring'''

def        UpperCAmelCase_ (  lowerCamelCase_			):







 """simple docstring"""


 lowerCAmelCase__     :   str     		=	len(lowerCamelCase_			)
 lowerCAmelCase__     :   Optional[Any]     		=	len(matrix[0]			)
 lowerCAmelCase__     :   Any     		=	min(lowerCamelCase_      ,			lowerCamelCase_			)

 for row in range(lowerCamelCase_			):
  # Check if diagonal element is not zero
  if matrix[row][row] != 0:
   # Eliminate all the elements below the diagonal
   for col in range(row + 1      ,			lowerCamelCase_			):
    lowerCAmelCase__     :   Tuple     		=	matrix[col][row] / matrix[row][row]
    for i in range(lowerCamelCase_      ,			lowerCamelCase_			):
     matrix[col][i] -= multiplier * matrix[row][i]
  else:
   # Find a non-zero diagonal element to swap rows
   lowerCAmelCase__     :   Dict     		=	True
   for i in range(row + 1      ,			lowerCamelCase_			):
    if matrix[i][row] != 0:
     lowerCAmelCase__		,     lowerCAmelCase__     :   Optional[Any]     		=	matrix[i], matrix[row]
     lowerCAmelCase__     :   Optional[Any]     		=	False
     break
   if reduce:
    rank -= 1
    for i in range(lowerCamelCase_			):
     lowerCAmelCase__     :   Union[str, Any]     		=	matrix[i][rank]

            # Reduce the row pointer by one to stay on the same row
   row -= 1

 return rank


if __name__ == "__main__":
     import doctest

     doctest.testmod()





