






from __future__ import annotations

import unittest

from transformers import is_tf_available
from transformers.testing_utils import require_tf, slow

from ...test_configuration_common import ConfigTester
from ...test_modeling_tf_common import TFModelTesterMixin, ids_tensor, random_attention_mask
from ...test_pipeline_mixin import PipelineTesterMixin


if is_tf_available():
 import numpy
 import tensorflow as tf

 from transformers import (
     TF_DPR_CONTEXT_ENCODER_PRETRAINED_MODEL_ARCHIVE_LIST,
     TF_DPR_QUESTION_ENCODER_PRETRAINED_MODEL_ARCHIVE_LIST,
     TF_DPR_READER_PRETRAINED_MODEL_ARCHIVE_LIST,
     BertConfig,
     DPRConfig,
     TFDPRContextEncoder,
     TFDPRQuestionEncoder,
     TFDPRReader,
 )



class 				_UpperCamelCase      :


      def __init__(						self       ,    __UpperCamelCase       ,    __UpperCamelCase=1_3       ,    __UpperCamelCase=7       ,    __UpperCamelCase=True       ,    __UpperCamelCase=True       ,    __UpperCamelCase=True       ,    __UpperCamelCase=True       ,    __UpperCamelCase=9_9       ,    __UpperCamelCase=3_2       ,    __UpperCamelCase=2       ,    __UpperCamelCase=4       ,    __UpperCamelCase=3_7       ,    __UpperCamelCase="gelu"       ,    __UpperCamelCase=0.1       ,    __UpperCamelCase=0.1       ,    __UpperCamelCase=5_1_2       ,    __UpperCamelCase=1_6       ,    __UpperCamelCase=2       ,    __UpperCamelCase=0.0_2       ,    __UpperCamelCase=3       ,    __UpperCamelCase=4       ,    __UpperCamelCase=None       ,    __UpperCamelCase=0       ,    )->						Dict:
           __lowerCAmelCase             =       parent
           __lowerCAmelCase             =       batch_size
           __lowerCAmelCase             =       seq_length
           __lowerCAmelCase             =       is_training
           __lowerCAmelCase             =       use_input_mask
           __lowerCAmelCase             =       use_token_type_ids
           __lowerCAmelCase             =       use_labels
           __lowerCAmelCase             =       vocab_size
           __lowerCAmelCase             =       hidden_size
           __lowerCAmelCase             =       num_hidden_layers
           __lowerCAmelCase             =       num_attention_heads
           __lowerCAmelCase             =       intermediate_size
           __lowerCAmelCase             =       hidden_act
           __lowerCAmelCase             =       hidden_dropout_prob
           __lowerCAmelCase             =       attention_probs_dropout_prob
           __lowerCAmelCase             =       max_position_embeddings
           __lowerCAmelCase             =       type_vocab_size
           __lowerCAmelCase             =       type_sequence_label_size
           __lowerCAmelCase             =       initializer_range
           __lowerCAmelCase             =       num_labels
           __lowerCAmelCase             =       num_choices
           __lowerCAmelCase             =       scope
           __lowerCAmelCase             =       projection_dim


      def 			__UpperCAmelCase		(						self						)->						str:
           __lowerCAmelCase             =       ids_tensor([self.batch_size, self.seq_length]       ,    self.vocab_size						)

           __lowerCAmelCase             =       None
           if self.use_input_mask:
                # follow test_modeling_tf_ctrl.py
                __lowerCAmelCase             =       random_attention_mask([self.batch_size, self.seq_length]						)

           __lowerCAmelCase             =       None
           if self.use_token_type_ids:
                __lowerCAmelCase             =       ids_tensor([self.batch_size, self.seq_length]       ,    self.type_vocab_size						)

           __lowerCAmelCase             =       None
           __lowerCAmelCase             =       None
           __lowerCAmelCase             =       None
           if self.use_labels:
                __lowerCAmelCase             =       ids_tensor([self.batch_size]       ,    self.type_sequence_label_size						)
                __lowerCAmelCase             =       ids_tensor([self.batch_size, self.seq_length]       ,    self.num_labels						)
                __lowerCAmelCase             =       ids_tensor([self.batch_size]       ,    self.num_choices						)

           __lowerCAmelCase             =       BertConfig(
               vocab_size=self.vocab_size       ,    hidden_size=self.hidden_size       ,    num_hidden_layers=self.num_hidden_layers       ,    num_attention_heads=self.num_attention_heads       ,    intermediate_size=self.intermediate_size       ,    hidden_act=self.hidden_act       ,    hidden_dropout_prob=self.hidden_dropout_prob       ,    attention_probs_dropout_prob=self.attention_probs_dropout_prob       ,    max_position_embeddings=self.max_position_embeddings       ,    type_vocab_size=self.type_vocab_size       ,    is_decoder=__UpperCamelCase       ,    initializer_range=self.initializer_range       ,    )
           __lowerCAmelCase             =       DPRConfig(projection_dim=self.projection_dim       ,    **config.to_dict()						)

           return config, input_ids, token_type_ids, input_mask, sequence_labels, token_labels, choice_labels


      def 			__UpperCAmelCase		(						self       ,    __UpperCamelCase       ,    __UpperCamelCase       ,    __UpperCamelCase       ,    __UpperCamelCase       ,    __UpperCamelCase       ,    __UpperCamelCase       ,    __UpperCamelCase						)->						Union[str, Any]:
           __lowerCAmelCase             =       TFDPRContextEncoder(config=__UpperCamelCase						)
           __lowerCAmelCase             =       model(__UpperCamelCase       ,    attention_mask=__UpperCamelCase       ,    token_type_ids=__UpperCamelCase						)
           __lowerCAmelCase             =       model(__UpperCamelCase       ,    token_type_ids=__UpperCamelCase						)
           __lowerCAmelCase             =       model(__UpperCamelCase						)
           self.parent.assertEqual(result.pooler_output.shape       ,    (self.batch_size, self.projection_dim or self.hidden_size)						)


      def 			__UpperCAmelCase		(						self       ,    __UpperCamelCase       ,    __UpperCamelCase       ,    __UpperCamelCase       ,    __UpperCamelCase       ,    __UpperCamelCase       ,    __UpperCamelCase       ,    __UpperCamelCase						)->						List[Any]:
           __lowerCAmelCase             =       TFDPRQuestionEncoder(config=__UpperCamelCase						)
           __lowerCAmelCase             =       model(__UpperCamelCase       ,    attention_mask=__UpperCamelCase       ,    token_type_ids=__UpperCamelCase						)
           __lowerCAmelCase             =       model(__UpperCamelCase       ,    token_type_ids=__UpperCamelCase						)
           __lowerCAmelCase             =       model(__UpperCamelCase						)
           self.parent.assertEqual(result.pooler_output.shape       ,    (self.batch_size, self.projection_dim or self.hidden_size)						)


      def 			__UpperCAmelCase		(						self       ,    __UpperCamelCase       ,    __UpperCamelCase       ,    __UpperCamelCase       ,    __UpperCamelCase       ,    __UpperCamelCase       ,    __UpperCamelCase       ,    __UpperCamelCase						)->						Any:
           __lowerCAmelCase             =       TFDPRReader(config=__UpperCamelCase						)
           __lowerCAmelCase             =       model(__UpperCamelCase       ,    attention_mask=__UpperCamelCase						)

           self.parent.assertEqual(result.start_logits.shape       ,    (self.batch_size, self.seq_length)						)
           self.parent.assertEqual(result.end_logits.shape       ,    (self.batch_size, self.seq_length)						)
           self.parent.assertEqual(result.relevance_logits.shape       ,    (self.batch_size,)						)


      def 			__UpperCAmelCase		(						self						)->						Optional[Any]:
           __lowerCAmelCase             =       self.prepare_config_and_inputs()
           (
               (
               __lowerCAmelCase
           )      ,			(
               __lowerCAmelCase
           )      ,			(
               __lowerCAmelCase
           )      ,			(
               __lowerCAmelCase
           )      ,			(
               __lowerCAmelCase
           )      ,			(
               __lowerCAmelCase
           )      ,			(
               __lowerCAmelCase
           )      ,			
           )             =       config_and_inputs
           __lowerCAmelCase             =       {"input_ids": input_ids}
           return config, inputs_dict



@require_tf
class 				_UpperCamelCase      (a_				,		a_				,		unittest.TestCase      ):
      snake_case_	=				(
          (
              TFDPRContextEncoder,
              TFDPRQuestionEncoder,
              TFDPRReader,
          )
          if is_tf_available()
          else ()
      )
      snake_case_	=				{"""feature-extraction""": TFDPRQuestionEncoder} if is_tf_available() else {}

      snake_case_	=				False
      snake_case_	=				False
      snake_case_	=				False
      snake_case_	=				False
      snake_case_	=				False


      def 			__UpperCAmelCase		(						self						)->						List[str]:
           __lowerCAmelCase             =       TFDPRModelTester(self						)
           __lowerCAmelCase             =       ConfigTester(self       ,    config_class=__UpperCamelCase       ,    hidden_size=3_7						)


      def 			__UpperCAmelCase		(						self						)->						Any:
           self.config_tester.run_common_tests()


      def 			__UpperCAmelCase		(						self						)->						List[str]:
           __lowerCAmelCase             =       self.model_tester.prepare_config_and_inputs()
           self.model_tester.create_and_check_dpr_context_encoder(*__UpperCamelCase						)


      def 			__UpperCAmelCase		(						self						)->						Union[str, Any]:
           __lowerCAmelCase             =       self.model_tester.prepare_config_and_inputs()
           self.model_tester.create_and_check_dpr_question_encoder(*__UpperCamelCase						)


      def 			__UpperCAmelCase		(						self						)->						Optional[int]:
           __lowerCAmelCase             =       self.model_tester.prepare_config_and_inputs()
           self.model_tester.create_and_check_dpr_reader(*__UpperCamelCase						)


      @slow
      def 			__UpperCAmelCase		(						self						)->						int:
           for model_name in TF_DPR_CONTEXT_ENCODER_PRETRAINED_MODEL_ARCHIVE_LIST[:1]:
                __lowerCAmelCase             =       TFDPRContextEncoder.from_pretrained(__UpperCamelCase						)
                self.assertIsNotNone(__UpperCamelCase						)

           for model_name in TF_DPR_CONTEXT_ENCODER_PRETRAINED_MODEL_ARCHIVE_LIST[:1]:
                __lowerCAmelCase             =       TFDPRContextEncoder.from_pretrained(__UpperCamelCase						)
                self.assertIsNotNone(__UpperCamelCase						)

           for model_name in TF_DPR_QUESTION_ENCODER_PRETRAINED_MODEL_ARCHIVE_LIST[:1]:
                __lowerCAmelCase             =       TFDPRQuestionEncoder.from_pretrained(__UpperCamelCase						)
                self.assertIsNotNone(__UpperCamelCase						)

           for model_name in TF_DPR_READER_PRETRAINED_MODEL_ARCHIVE_LIST[:1]:
                __lowerCAmelCase             =       TFDPRReader.from_pretrained(__UpperCamelCase						)
                self.assertIsNotNone(__UpperCamelCase						)



@require_tf
class 				_UpperCamelCase      (unittest.TestCase      ):


      @slow
      def 			__UpperCAmelCase		(						self						)->						Dict:
           __lowerCAmelCase             =       TFDPRQuestionEncoder.from_pretrained("facebook/dpr-question_encoder-single-nq-base"						)

           __lowerCAmelCase             =       tf.constant(
               [[1_0_1, 7_5_9_2, 1_0_1_0, 2_0_0_3, 2_0_2_6, 3_8_9_9, 1_0_1_4_0, 1_0_2_9, 1_0_2]]						)  # [CLS] hello, is my dog cute? [SEP]
           __lowerCAmelCase             =       model(__UpperCamelCase						)[0]  # embedding shape = (1, 768)
           # compare the actual values for a slice.
           __lowerCAmelCase             =       tf.constant(
               [
                   [
                       0.0_3_2_3_6_2_5_3,
                       0.1_2_7_5_3_3_3_5,
                       0.1_6_8_1_8_5_0_9,
                       0.0_0_2_7_9_7_8_6,
                       0.3_8_9_6_9_3_3,
                       0.2_4_2_6_4_9_4_5,
                       0.2_1_7_8_9_7_1,
                       -0.0_2_3_3_5_2_2_7,
                       -0.0_8_4_8_1_9_5_9,
                       -0.1_4_3_2_4_1_1_7,
                   ]
               ]						)
           self.assertTrue(numpy.allclose(output[:, :1_0].numpy()       ,    expected_slice.numpy()       ,    atol=1e-4						)						)














import tempfile

import torch

from diffusers import PNDMScheduler

from .test_schedulers import SchedulerCommonTest



class 				_UpperCamelCase      (a_      ):
      snake_case_	=				(PNDMScheduler,)
      snake_case_	=				(("""num_inference_steps""", 50),)


      def 			__UpperCAmelCase		(						self       ,    **__UpperCamelCase						)->						int:
           __lowerCAmelCase             =       {
               "num_train_timesteps": 1_0_0_0,
               "beta_start": 0.0_0_0_1,
               "beta_end": 0.0_2,
               "beta_schedule": "linear",
           }

           config.update(**__UpperCamelCase						)
           return config


      def 			__UpperCAmelCase		(						self       ,    __UpperCamelCase=0       ,    **__UpperCamelCase						)->						Optional[int]:
           __lowerCAmelCase             =       dict(self.forward_default_kwargs						)
           __lowerCAmelCase             =       kwargs.pop("num_inference_steps"       ,    __UpperCamelCase						)
           __lowerCAmelCase             =       self.dummy_sample
           __lowerCAmelCase             =       0.1 * sample
           __lowerCAmelCase             =       [residual + 0.2, residual + 0.1_5, residual + 0.1, residual + 0.0_5]

           for scheduler_class in self.scheduler_classes:
                __lowerCAmelCase             =       self.get_scheduler_config(**__UpperCamelCase						)
                __lowerCAmelCase             =       scheduler_class(**__UpperCamelCase						)
                scheduler.set_timesteps(__UpperCamelCase						)
                # copy over dummy past residuals
                __lowerCAmelCase             =       dummy_past_residuals[:]

                with tempfile.TemporaryDirectory() as tmpdirname:
                     scheduler.save_config(__UpperCamelCase						)
                     __lowerCAmelCase             =       scheduler_class.from_pretrained(__UpperCamelCase						)
                     new_scheduler.set_timesteps(__UpperCamelCase						)
                     # copy over dummy past residuals
                     __lowerCAmelCase             =       dummy_past_residuals[:]

                __lowerCAmelCase             =       scheduler.step_prk(__UpperCamelCase       ,    __UpperCamelCase       ,    __UpperCamelCase       ,    **__UpperCamelCase						).prev_sample
                __lowerCAmelCase             =       new_scheduler.step_prk(__UpperCamelCase       ,    __UpperCamelCase       ,    __UpperCamelCase       ,    **__UpperCamelCase						).prev_sample

                assert torch.sum(torch.abs(output - new_output						)						) < 1e-5, "Scheduler outputs are not identical"

                __lowerCAmelCase             =       scheduler.step_plms(__UpperCamelCase       ,    __UpperCamelCase       ,    __UpperCamelCase       ,    **__UpperCamelCase						).prev_sample
                __lowerCAmelCase             =       new_scheduler.step_plms(__UpperCamelCase       ,    __UpperCamelCase       ,    __UpperCamelCase       ,    **__UpperCamelCase						).prev_sample

                assert torch.sum(torch.abs(output - new_output						)						) < 1e-5, "Scheduler outputs are not identical"


      def 			__UpperCAmelCase		(						self						)->						Dict:
           pass


      def 			__UpperCAmelCase		(						self       ,    __UpperCamelCase=0       ,    **__UpperCamelCase						)->						Dict:
           __lowerCAmelCase             =       dict(self.forward_default_kwargs						)
           __lowerCAmelCase             =       kwargs.pop("num_inference_steps"       ,    __UpperCamelCase						)
           __lowerCAmelCase             =       self.dummy_sample
           __lowerCAmelCase             =       0.1 * sample
           __lowerCAmelCase             =       [residual + 0.2, residual + 0.1_5, residual + 0.1, residual + 0.0_5]

           for scheduler_class in self.scheduler_classes:
                __lowerCAmelCase             =       self.get_scheduler_config()
                __lowerCAmelCase             =       scheduler_class(**__UpperCamelCase						)
                scheduler.set_timesteps(__UpperCamelCase						)

                # copy over dummy past residuals (must be after setting timesteps)
                __lowerCAmelCase             =       dummy_past_residuals[:]

                with tempfile.TemporaryDirectory() as tmpdirname:
                     scheduler.save_config(__UpperCamelCase						)
                     __lowerCAmelCase             =       scheduler_class.from_pretrained(__UpperCamelCase						)
                     # copy over dummy past residuals
                     new_scheduler.set_timesteps(__UpperCamelCase						)

                     # copy over dummy past residual (must be after setting timesteps)
                     __lowerCAmelCase             =       dummy_past_residuals[:]

                __lowerCAmelCase             =       scheduler.step_prk(__UpperCamelCase       ,    __UpperCamelCase       ,    __UpperCamelCase       ,    **__UpperCamelCase						).prev_sample
                __lowerCAmelCase             =       new_scheduler.step_prk(__UpperCamelCase       ,    __UpperCamelCase       ,    __UpperCamelCase       ,    **__UpperCamelCase						).prev_sample

                assert torch.sum(torch.abs(output - new_output						)						) < 1e-5, "Scheduler outputs are not identical"

                __lowerCAmelCase             =       scheduler.step_plms(__UpperCamelCase       ,    __UpperCamelCase       ,    __UpperCamelCase       ,    **__UpperCamelCase						).prev_sample
                __lowerCAmelCase             =       new_scheduler.step_plms(__UpperCamelCase       ,    __UpperCamelCase       ,    __UpperCamelCase       ,    **__UpperCamelCase						).prev_sample

                assert torch.sum(torch.abs(output - new_output						)						) < 1e-5, "Scheduler outputs are not identical"


      def 			__UpperCAmelCase		(						self       ,    **__UpperCamelCase						)->						Tuple:
           __lowerCAmelCase             =       self.scheduler_classes[0]
           __lowerCAmelCase             =       self.get_scheduler_config(**__UpperCamelCase						)
           __lowerCAmelCase             =       scheduler_class(**__UpperCamelCase						)

           __lowerCAmelCase             =       1_0
           __lowerCAmelCase             =       self.dummy_model()
           __lowerCAmelCase             =       self.dummy_sample_deter
           scheduler.set_timesteps(__UpperCamelCase						)

           for i, t in enumerate(scheduler.prk_timesteps						):
                __lowerCAmelCase             =       model(__UpperCamelCase       ,    __UpperCamelCase						)
                __lowerCAmelCase             =       scheduler.step_prk(__UpperCamelCase       ,    __UpperCamelCase       ,    __UpperCamelCase						).prev_sample

           for i, t in enumerate(scheduler.plms_timesteps						):
                __lowerCAmelCase             =       model(__UpperCamelCase       ,    __UpperCamelCase						)
                __lowerCAmelCase             =       scheduler.step_plms(__UpperCamelCase       ,    __UpperCamelCase       ,    __UpperCamelCase						).prev_sample

           return sample


      def 			__UpperCAmelCase		(						self						)->						int:
           __lowerCAmelCase             =       dict(self.forward_default_kwargs						)

           __lowerCAmelCase             =       kwargs.pop("num_inference_steps"       ,    __UpperCamelCase						)

           for scheduler_class in self.scheduler_classes:
                __lowerCAmelCase             =       self.get_scheduler_config()
                __lowerCAmelCase             =       scheduler_class(**__UpperCamelCase						)

                __lowerCAmelCase             =       self.dummy_sample
                __lowerCAmelCase             =       0.1 * sample

                if num_inference_steps is not None and hasattr(__UpperCamelCase       ,    "set_timesteps"						):
                     scheduler.set_timesteps(__UpperCamelCase						)
                elif num_inference_steps is not None and not hasattr(__UpperCamelCase       ,    "set_timesteps"						):
                     __lowerCAmelCase             =       num_inference_steps

                # copy over dummy past residuals (must be done after set_timesteps)
                __lowerCAmelCase             =       [residual + 0.2, residual + 0.1_5, residual + 0.1, residual + 0.0_5]
                __lowerCAmelCase             =       dummy_past_residuals[:]

                __lowerCAmelCase             =       scheduler.step_prk(__UpperCamelCase       ,    0       ,    __UpperCamelCase       ,    **__UpperCamelCase						).prev_sample
                __lowerCAmelCase             =       scheduler.step_prk(__UpperCamelCase       ,    1       ,    __UpperCamelCase       ,    **__UpperCamelCase						).prev_sample

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

                __lowerCAmelCase             =       scheduler.step_plms(__UpperCamelCase       ,    0       ,    __UpperCamelCase       ,    **__UpperCamelCase						).prev_sample
                __lowerCAmelCase             =       scheduler.step_plms(__UpperCamelCase       ,    1       ,    __UpperCamelCase       ,    **__UpperCamelCase						).prev_sample

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


      def 			__UpperCAmelCase		(						self						)->						List[str]:
           for timesteps in [1_0_0, 1_0_0_0]:
                self.check_over_configs(num_train_timesteps=__UpperCamelCase						)


      def 			__UpperCAmelCase		(						self						)->						Any:
           for steps_offset in [0, 1]:
                self.check_over_configs(steps_offset=__UpperCamelCase						)

           __lowerCAmelCase             =       self.scheduler_classes[0]
           __lowerCAmelCase             =       self.get_scheduler_config(steps_offset=1						)
           __lowerCAmelCase             =       scheduler_class(**__UpperCamelCase						)
           scheduler.set_timesteps(1_0						)
           assert torch.equal(
               scheduler.timesteps       ,    torch.LongTensor(
                   [9_0_1, 8_5_1, 8_5_1, 8_0_1, 8_0_1, 7_5_1, 7_5_1, 7_0_1, 7_0_1, 6_5_1, 6_5_1, 6_0_1, 6_0_1, 5_0_1, 4_0_1, 3_0_1, 2_0_1, 1_0_1, 1]						)       ,    )


      def 			__UpperCAmelCase		(						self						)->						int:
           for beta_start, beta_end in zip([0.0_0_0_1, 0.0_0_1]       ,    [0.0_0_2, 0.0_2]						):
                self.check_over_configs(beta_start=__UpperCamelCase       ,    beta_end=__UpperCamelCase						)


      def 			__UpperCAmelCase		(						self						)->						Optional[int]:
           for schedule in ["linear", "squaredcos_cap_v2"]:
                self.check_over_configs(beta_schedule=__UpperCamelCase						)


      def 			__UpperCAmelCase		(						self						)->						Dict:
           for prediction_type in ["epsilon", "v_prediction"]:
                self.check_over_configs(prediction_type=__UpperCamelCase						)


      def 			__UpperCAmelCase		(						self						)->						List[Any]:
           for t in [1, 5, 1_0]:
                self.check_over_forward(time_step=__UpperCamelCase						)


      def 			__UpperCAmelCase		(						self						)->						Optional[Any]:
           for t, num_inference_steps in zip([1, 5, 1_0]       ,    [1_0, 5_0, 1_0_0]						):
                self.check_over_forward(num_inference_steps=__UpperCamelCase						)


      def 			__UpperCAmelCase		(						self						)->						int:
           # earlier version of set_timesteps() caused an error indexing alpha's with inference steps as power of 3
           __lowerCAmelCase             =       2_7

           for scheduler_class in self.scheduler_classes:
                __lowerCAmelCase             =       self.dummy_sample
                __lowerCAmelCase             =       0.1 * sample

                __lowerCAmelCase             =       self.get_scheduler_config()
                __lowerCAmelCase             =       scheduler_class(**__UpperCamelCase						)

                scheduler.set_timesteps(__UpperCamelCase						)

                # before power of 3 fix, would error on first step, so we only need to do two
                for i, t in enumerate(scheduler.prk_timesteps[:2]						):
                     __lowerCAmelCase             =       scheduler.step_prk(__UpperCamelCase       ,    __UpperCamelCase       ,    __UpperCamelCase						).prev_sample


      def 			__UpperCAmelCase		(						self						)->						Dict:
           with self.assertRaises(__UpperCamelCase						):
                __lowerCAmelCase             =       self.scheduler_classes[0]
                __lowerCAmelCase             =       self.get_scheduler_config()
                __lowerCAmelCase             =       scheduler_class(**__UpperCamelCase						)

                scheduler.step_plms(self.dummy_sample       ,    1       ,    self.dummy_sample						).prev_sample


      def 			__UpperCAmelCase		(						self						)->						Any:
           __lowerCAmelCase             =       self.full_loop()
           __lowerCAmelCase             =       torch.sum(torch.abs(__UpperCamelCase						)						)
           __lowerCAmelCase             =       torch.mean(torch.abs(__UpperCamelCase						)						)

           assert abs(result_sum.item() - 1_9_8.1_3_1_8						) < 1e-2
           assert abs(result_mean.item() - 0.2_5_8_0						) < 1e-3


      def 			__UpperCAmelCase		(						self						)->						str:
           __lowerCAmelCase             =       self.full_loop(prediction_type="v_prediction"						)
           __lowerCAmelCase             =       torch.sum(torch.abs(__UpperCamelCase						)						)
           __lowerCAmelCase             =       torch.mean(torch.abs(__UpperCamelCase						)						)

           assert abs(result_sum.item() - 6_7.3_9_8_6						) < 1e-2
           assert abs(result_mean.item() - 0.0_8_7_8						) < 1e-3


      def 			__UpperCAmelCase		(						self						)->						Any:
           # We specify different beta, so that the first alpha is 0.99
           __lowerCAmelCase             =       self.full_loop(set_alpha_to_one=__UpperCamelCase       ,    beta_start=0.0_1						)
           __lowerCAmelCase             =       torch.sum(torch.abs(__UpperCamelCase						)						)
           __lowerCAmelCase             =       torch.mean(torch.abs(__UpperCamelCase						)						)

           assert abs(result_sum.item() - 2_3_0.0_3_9_9						) < 1e-2
           assert abs(result_mean.item() - 0.2_9_9_5						) < 1e-3


      def 			__UpperCAmelCase		(						self						)->						Optional[Any]:
           # We specify different beta, so that the first alpha is 0.99
           __lowerCAmelCase             =       self.full_loop(set_alpha_to_one=__UpperCamelCase       ,    beta_start=0.0_1						)
           __lowerCAmelCase             =       torch.sum(torch.abs(__UpperCamelCase						)						)
           __lowerCAmelCase             =       torch.mean(torch.abs(__UpperCamelCase						)						)

           assert abs(result_sum.item() - 1_8_6.9_4_8_2						) < 1e-2
           assert abs(result_mean.item() - 0.2_4_3_4						) < 1e-3






