
"""simple docstring"""



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

import black


a					:	int							=		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.
a					:	List[str]							=		'''    \"""
    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 		a_						( unittest.TestCase	):







    def      _snake_case					(			self			:       Optional[Any]     )		->int:






        '''simple docstring'''






        _UpperCAmelCase          =   tempfile.mkdtemp()
        os.makedirs(os.path.join(self.diffusers_dir     ,					"""schedulers/"""     )     )
        _UpperCAmelCase          =   self.diffusers_dir
        shutil.copy(
            os.path.join(__UpperCamelCase     ,					"""src/diffusers/schedulers/scheduling_ddpm.py"""     )     ,					os.path.join(self.diffusers_dir     ,					"""schedulers/scheduling_ddpm.py"""     )     ,					)







    def      _snake_case					(			self			:       str     )		->str:






        '''simple docstring'''






        _UpperCAmelCase          =   """src/diffusers"""
        shutil.rmtree(self.diffusers_dir     )







    def      _snake_case					(			self			:       str     ,					__UpperCamelCase			:       List[Any]     ,					__UpperCamelCase			:       Tuple     ,					__UpperCamelCase			:       Optional[int]     ,					__UpperCamelCase			:       Optional[Any]=None     )		->List[Any]:






        '''simple docstring'''






        _UpperCAmelCase          =   comment + f"""\nclass {class_name}(nn.Module):\n""" + class_code
        if overwrite_result is not None:
            _UpperCAmelCase          =   comment + f"""\nclass {class_name}(nn.Module):\n""" + overwrite_result
        _UpperCAmelCase          =   black.Mode(target_versions={black.TargetVersion.PYaa}     ,					line_length=1_19     )
        _UpperCAmelCase          =   black.format_str(__UpperCamelCase     ,					mode=__UpperCamelCase     )
        _UpperCAmelCase          =   os.path.join(self.diffusers_dir     ,					"""new_code.py"""     )
        with open(__UpperCamelCase     ,					"""w"""     ,					newline="""\n"""     ) as f:
            f.write(__UpperCamelCase     )
        if overwrite_result is None:
            self.assertTrue(len(check_copies.is_copy_consistent(__UpperCamelCase     )     ) == 0     )
        else:
            check_copies.is_copy_consistent(f.name     ,					overwrite=__UpperCamelCase     )
            with open(__UpperCamelCase     ,					"""r"""     ) as f:
                self.assertTrue(f.read()     ,					__UpperCamelCase     )







    def      _snake_case					(			self			:       Union[str, Any]     )		->Dict:






        '''simple docstring'''






        _UpperCAmelCase          =   check_copies.find_code_in_diffusers("""schedulers.scheduling_ddpm.DDPMSchedulerOutput"""     )
        self.assertEqual(__UpperCamelCase     ,					__UpperCamelCase     )







    def      _snake_case					(			self			:       List[Any]     )		->Union[str, Any]:






        '''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"""     ,					__UpperCamelCase     ,					)

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

        # Copy consistency with a really long name
        _UpperCAmelCase          =   """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"""     ,					__UpperCamelCase     ,					__UpperCamelCase     )     ,					)

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

"""simple docstring"""



from collections.abc import Callable

import numpy as np


def  _UpperCamelCase	(						_A					,      _A					,      _A					,      _A					,      _A      )    ->  np.array:





    """simple docstring"""

    _UpperCAmelCase          =   int(np.ceil((x_end - xa) / step_size      )      )
    _UpperCAmelCase          =   np.zeros((n + 1,)      )
    _UpperCAmelCase          =   ya
    _UpperCAmelCase          =   xa

    for k in range(_A      ):
        _UpperCAmelCase          =   y[k] + step_size * ode_func(_A					,      y[k]      )
        _UpperCAmelCase          =   y[k] + (
            (step_size / 2) * (ode_func(_A					,      y[k]      ) + ode_func(x + step_size					,      _A      ))
        )
        x += step_size

    return y


if __name__ == "__main__":
 import doctest

 doctest.testmod()