
import torch

from diffusers import CMStochasticIterativeScheduler

from .test_schedulers import SchedulerCommonTest







class 			__A( a			):
				snake_case_						   =    (CMStochasticIterativeScheduler,)
				snake_case_						   =    1_0




				def 				SCREAMING_SNAKE_CASE_		(     self		,     **_snake_case				)    ->      List[str]:


								'''simple docstring'''




								__a										=    {
								    '''num_train_timesteps''': 201,
								    '''sigma_min''': 0.002,
								    '''sigma_max''': 80.0,
								}

								config.update(**_snake_case				)
								return config




				def 				SCREAMING_SNAKE_CASE_		(     self				)    ->      str:


								'''simple docstring'''




								__a										=    10

								__a										=    self.get_scheduler_config()
								__a										=    self.scheduler_classes[0](**_snake_case				)

								scheduler.set_timesteps(_snake_case				)

								__a										=    scheduler.timesteps[0]
								__a										=    scheduler.timesteps[1]

								__a										=    self.dummy_sample
								__a										=    0.1 * sample

								__a										=    scheduler.step(_snake_case		,     _snake_case		,     _snake_case				).prev_sample
								__a										=    scheduler.step(_snake_case		,     _snake_case		,     _snake_case				).prev_sample

								self.assertEqual(output_a.shape		,     sample.shape				)
								self.assertEqual(output_a.shape		,     output_a.shape				)




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


								'''simple docstring'''




								for timesteps in [10, 50, 100, 1_000]:
												self.check_over_configs(num_train_timesteps=_snake_case				)




				def 				SCREAMING_SNAKE_CASE_		(     self				)    ->      Tuple:


								'''simple docstring'''




								for clip_denoised in [True, False]:
												self.check_over_configs(clip_denoised=_snake_case				)




				def 				SCREAMING_SNAKE_CASE_		(     self				)    ->      Optional[Any]:


								'''simple docstring'''




								__a										=    self.scheduler_classes[0]
								__a										=    self.get_scheduler_config()
								__a										=    scheduler_class(**_snake_case				)

								__a										=    1
								scheduler.set_timesteps(_snake_case				)
								__a										=    scheduler.timesteps

								__a										=    torch.manual_seed(0				)

								__a										=    self.dummy_model()
								__a										=    self.dummy_sample_deter * scheduler.init_noise_sigma

								for i, t in enumerate(_snake_case				):
												# 1. scale model input
												__a										=    scheduler.scale_model_input(_snake_case		,     _snake_case				)

												# 2. predict noise residual
												__a										=    model(_snake_case		,     _snake_case				)

												# 3. predict previous sample x_t-1
												__a										=    scheduler.step(_snake_case		,     _snake_case		,     _snake_case		,     generator=_snake_case				).prev_sample

												__a										=    pred_prev_sample

								__a										=    torch.sum(torch.abs(_snake_case				)				)
								__a										=    torch.mean(torch.abs(_snake_case				)				)

								assert abs(result_sum.item() - 192.7614				) < 1E-2
								assert abs(result_mean.item() - 0.2510				) < 1E-3




				def 				SCREAMING_SNAKE_CASE_		(     self				)    ->      Any:


								'''simple docstring'''




								__a										=    self.scheduler_classes[0]
								__a										=    self.get_scheduler_config()
								__a										=    scheduler_class(**_snake_case				)

								__a										=    [106, 0]
								scheduler.set_timesteps(timesteps=_snake_case				)
								__a										=    scheduler.timesteps

								__a										=    torch.manual_seed(0				)

								__a										=    self.dummy_model()
								__a										=    self.dummy_sample_deter * scheduler.init_noise_sigma

								for t in timesteps:
												# 1. scale model input
												__a										=    scheduler.scale_model_input(_snake_case		,     _snake_case				)

												# 2. predict noise residual
												__a										=    model(_snake_case		,     _snake_case				)

												# 3. predict previous sample x_t-1
												__a										=    scheduler.step(_snake_case		,     _snake_case		,     _snake_case		,     generator=_snake_case				).prev_sample

												__a										=    pred_prev_sample

								__a										=    torch.sum(torch.abs(_snake_case				)				)
								__a										=    torch.mean(torch.abs(_snake_case				)				)

								assert abs(result_sum.item() - 347.6357				) < 1E-2
								assert abs(result_mean.item() - 0.4527				) < 1E-3




				def 				SCREAMING_SNAKE_CASE_		(     self				)    ->      str:


								'''simple docstring'''




								__a										=    self.scheduler_classes[0]
								__a										=    self.get_scheduler_config()
								__a										=    scheduler_class(**_snake_case				)

								__a										=    [39, 30, 12, 15, 0]

								with self.assertRaises(_snake_case		,     msg='''`timesteps` must be in descending order.'''				):
												scheduler.set_timesteps(timesteps=_snake_case				)




				def 				SCREAMING_SNAKE_CASE_		(     self				)    ->      Any:


								'''simple docstring'''




								__a										=    self.scheduler_classes[0]
								__a										=    self.get_scheduler_config()
								__a										=    scheduler_class(**_snake_case				)

								__a										=    [39, 30, 12, 1, 0]
								__a										=    len(_snake_case				)

								with self.assertRaises(_snake_case		,     msg='''Can only pass one of `num_inference_steps` or `timesteps`.'''				):
												scheduler.set_timesteps(num_inference_steps=_snake_case		,     timesteps=_snake_case				)




				def 				SCREAMING_SNAKE_CASE_		(     self				)    ->      List[str]:


								'''simple docstring'''




								__a										=    self.scheduler_classes[0]
								__a										=    self.get_scheduler_config()
								__a										=    scheduler_class(**_snake_case				)

								__a										=    [scheduler.config.num_train_timesteps]

								with self.assertRaises(
								    _snake_case		,     msg='''`timesteps` must start before `self.config.train_timesteps`: {scheduler.config.num_train_timesteps}}'''		,     ):
												scheduler.set_timesteps(timesteps=_snake_case				)

from math import cos, sin, sqrt, tau

from audio_filters.iir_filter import IIRFilter


def     __lowerCAmelCase			(			a__						,    a__						,    a__ = 1 / sqrt(2  )  )       ->  IIRFilter:
				__a										=    tau * frequency / samplerate
				__a										=    sin(a__  )
				__a										=    cos(a__  )
				__a										=    _sin / (2 * q_factor)

				__a										=    (1 - _cos) / 2
				__a										=    1 - _cos

				__a										=    1 + alpha
				__a										=    -2 * _cos
				__a										=    1 - alpha

				__a										=    IIRFilter(2  )
				filt.set_coefficients([aa, aa, aa]						,    [ba, ba, ba]  )
				return filt


def     __lowerCAmelCase			(			a__						,    a__						,    a__ = 1 / sqrt(2  )  )       ->  IIRFilter:
				__a										=    tau * frequency / samplerate
				__a										=    sin(a__  )
				__a										=    cos(a__  )
				__a										=    _sin / (2 * q_factor)

				__a										=    (1 + _cos) / 2
				__a										=    -1 - _cos

				__a										=    1 + alpha
				__a										=    -2 * _cos
				__a										=    1 - alpha

				__a										=    IIRFilter(2  )
				filt.set_coefficients([aa, aa, aa]						,    [ba, ba, ba]  )
				return filt


def     __lowerCAmelCase			(			a__						,    a__						,    a__ = 1 / sqrt(2  )  )       ->  IIRFilter:
				__a										=    tau * frequency / samplerate
				__a										=    sin(a__  )
				__a										=    cos(a__  )
				__a										=    _sin / (2 * q_factor)

				__a										=    _sin / 2
				__a										=    0
				__a										=    -ba

				__a										=    1 + alpha
				__a										=    -2 * _cos
				__a										=    1 - alpha

				__a										=    IIRFilter(2  )
				filt.set_coefficients([aa, aa, aa]						,    [ba, ba, ba]  )
				return filt


def     __lowerCAmelCase			(			a__						,    a__						,    a__ = 1 / sqrt(2  )  )       ->  IIRFilter:
				__a										=    tau * frequency / samplerate
				__a										=    sin(a__  )
				__a										=    cos(a__  )
				__a										=    _sin / (2 * q_factor)

				__a										=    1 - alpha
				__a										=    -2 * _cos
				__a										=    1 + alpha

				__a										=    IIRFilter(2  )
				filt.set_coefficients([ba, ba, ba]						,    [ba, ba, ba]  )
				return filt


def     __lowerCAmelCase			(			a__						,    a__						,    a__						,    a__ = 1 / sqrt(2  )						,    )       ->  IIRFilter:
				__a										=    tau * frequency / samplerate
				__a										=    sin(a__  )
				__a										=    cos(a__  )
				__a										=    _sin / (2 * q_factor)
				__a										=    10 ** (gain_db / 40)

				__a										=    1 + alpha * big_a
				__a										=    -2 * _cos
				__a										=    1 - alpha * big_a
				__a										=    1 + alpha / big_a
				__a										=    -2 * _cos
				__a										=    1 - alpha / big_a

				__a										=    IIRFilter(2  )
				filt.set_coefficients([aa, aa, aa]						,    [ba, ba, ba]  )
				return filt


def     __lowerCAmelCase			(			a__						,    a__						,    a__						,    a__ = 1 / sqrt(2  )						,    )       ->  IIRFilter:
				__a										=    tau * frequency / samplerate
				__a										=    sin(a__  )
				__a										=    cos(a__  )
				__a										=    _sin / (2 * q_factor)
				__a										=    10 ** (gain_db / 40)
				__a										=    (big_a + 1) - (big_a - 1) * _cos
				__a										=    (big_a + 1) + (big_a - 1) * _cos
				__a										=    (big_a - 1) - (big_a + 1) * _cos
				__a										=    (big_a - 1) + (big_a + 1) * _cos
				__a										=    2 * sqrt(a__  ) * alpha

				__a										=    big_a * (pmc + aaa)
				__a										=    2 * big_a * mpc
				__a										=    big_a * (pmc - aaa)
				__a										=    ppmc + aaa
				__a										=    -2 * pmpc
				__a										=    ppmc - aaa

				__a										=    IIRFilter(2  )
				filt.set_coefficients([aa, aa, aa]						,    [ba, ba, ba]  )
				return filt






def     __lowerCAmelCase			(			a__						,    a__						,    a__						,    a__ = 1 / sqrt(2  )						,    )       ->  IIRFilter:
				__a										=    tau * frequency / samplerate
				__a										=    sin(a__  )
				__a										=    cos(a__  )
				__a										=    _sin / (2 * q_factor)
				__a										=    10 ** (gain_db / 40)
				__a										=    (big_a + 1) - (big_a - 1) * _cos
				__a										=    (big_a + 1) + (big_a - 1) * _cos
				__a										=    (big_a - 1) - (big_a + 1) * _cos
				__a										=    (big_a - 1) + (big_a + 1) * _cos
				__a										=    2 * sqrt(a__  ) * alpha

				__a										=    big_a * (ppmc + aaa)
				__a										=    -2 * big_a * pmpc
				__a										=    big_a * (ppmc - aaa)
				__a										=    pmc + aaa
				__a										=    2 * mpc
				__a										=    pmc - aaa

				__a										=    IIRFilter(2  )
				filt.set_coefficients([aa, aa, aa]						,    [ba, ba, ba]  )
				return filt