
import itertools
import random
import unittest

import numpy as np

from transformers import ASTFeatureExtractor
from transformers.testing_utils import require_torch, require_torchaudio
from transformers.utils.import_utils import is_torch_available

from ...test_sequence_feature_extraction_common import SequenceFeatureExtractionTestMixin


lowerCAmelCase__       = random.Random()

if is_torch_available():
      import torch
def      _lowerCAmelCase(	__A   ,       __A=1.0   ,       __A=None   ,       __A=None			):




  if rng is None:
    UpperCAmelCase					      =  global_rng

  UpperCAmelCase					      =  []
  for batch_idx in range(shape[0]			):
    values.append([]			)
    for _ in range(shape[1]			):
      values[-1].append(rng.random() * scale			)

  return values






class 						__magic_name__    (       unittest.TestCase    ):


 def __init__(						self		: Optional[int]			,						lowerCAmelCase__		: Tuple			,						lowerCAmelCase__		: List[str]=7			,						lowerCAmelCase__		: Any=4_0_0			,						lowerCAmelCase__		: Tuple=2_0_0_0			,						lowerCAmelCase__		: Union[str, Any]=1			,						lowerCAmelCase__		: Union[str, Any]=0.0			,						lowerCAmelCase__		: Union[str, Any]=1_6_0_0_0			,						lowerCAmelCase__		: int=True			,						lowerCAmelCase__		: Optional[int]=True			,						)    ->      Union[str, Any]:
   UpperCAmelCase					      =  parent
   UpperCAmelCase					      =  batch_size
   UpperCAmelCase					      =  min_seq_length
   UpperCAmelCase					      =  max_seq_length
   UpperCAmelCase					      =  (self.max_seq_length - self.min_seq_length) // (self.batch_size - 1)
   UpperCAmelCase					      =  feature_size
   UpperCAmelCase					      =  padding_value
   UpperCAmelCase					      =  sampling_rate
   UpperCAmelCase					      =  return_attention_mask
   UpperCAmelCase					      =  do_normalize


 def _UpperCamelCase	(						self		: Any    )    ->      Tuple:
   return {
       "feature_size": self.feature_size,
       "padding_value": self.padding_value,
       "sampling_rate": self.sampling_rate,
       "return_attention_mask": self.return_attention_mask,
       "do_normalize": self.do_normalize,
   }


 def _UpperCamelCase	(						self		: Any			,						lowerCAmelCase__		: str=False			,						lowerCAmelCase__		: Any=False    )    ->      Dict:
   def _flatten(lowerCAmelCase__		: Union[str, Any]    ):
     return list(itertools.chain(*__A    )    )

   if equal_length:
     UpperCAmelCase					      =  floats_list((self.batch_size, self.max_seq_length)    )
   else:
     # make sure that inputs increase in size
     UpperCAmelCase					      =  [
         _flatten(floats_list((x, self.feature_size)    )    )
         for x in range(self.min_seq_length			,						self.max_seq_length			,						self.seq_length_diff    )
     ]

   if numpify:
     UpperCAmelCase					      =  [np.asarray(__A    ) for x in speech_inputs]

   return speech_inputs






@require_torch
@require_torchaudio
class 						__magic_name__    (       _snake_case	,						unittest.TestCase    ):
 UpperCAmelCase							    =						ASTFeatureExtractor


 def _UpperCamelCase	(						self		: List[str]    )    ->      Optional[int]:
   UpperCAmelCase					      =  ASTFeatureExtractionTester(self    )


 def _UpperCamelCase	(						self		: Tuple    )    ->      Any:
   # Tests that all call wrap to encode_plus and batch_encode_plus
   UpperCAmelCase					      =  self.feature_extraction_class(**self.feat_extract_tester.prepare_feat_extract_dict()    )
   # create three inputs of length 800, 1000, and 1200
   UpperCAmelCase					      =  [floats_list((1, x)    )[0] for x in range(8_0_0			,						1_4_0_0			,						2_0_0    )]
   UpperCAmelCase					      =  [np.asarray(__A    ) for speech_input in speech_inputs]

   # Test not batched input
   UpperCAmelCase					      =  feat_extract(speech_inputs[0]			,						return_tensors="np"    ).input_values
   UpperCAmelCase					      =  feat_extract(np_speech_inputs[0]			,						return_tensors="np"    ).input_values
   self.assertTrue(np.allclose(__A			,						__A			,						atol=1e-3    )    )

   # Test batched
   UpperCAmelCase					      =  feat_extract(__A			,						padding=__A			,						return_tensors="np"    ).input_values
   UpperCAmelCase					      =  feat_extract(__A			,						padding=__A			,						return_tensors="np"    ).input_values
   for enc_seq_a, enc_seq_a in zip(__A			,						__A    ):
     self.assertTrue(np.allclose(__A			,						__A			,						atol=1e-3    )    )

   # Test 2-D numpy arrays are batched.
   UpperCAmelCase					      =  [floats_list((1, x)    )[0] for x in (8_0_0, 8_0_0, 8_0_0)]
   UpperCAmelCase					      =  np.asarray(__A    )
   UpperCAmelCase					      =  feat_extract(__A			,						return_tensors="np"    ).input_values
   UpperCAmelCase					      =  feat_extract(__A			,						return_tensors="np"    ).input_values
   for enc_seq_a, enc_seq_a in zip(__A			,						__A    ):
     self.assertTrue(np.allclose(__A			,						__A			,						atol=1e-3    )    )


 @require_torch
 def _UpperCamelCase	(						self		: int    )    ->      int:
   import torch

   UpperCAmelCase					      =  self.feature_extraction_class(**self.feat_extract_tester.prepare_feat_extract_dict()    )
   UpperCAmelCase					      =  np.random.rand(1_0_0    ).astype(np.floataa    )
   UpperCAmelCase					      =  np_speech_inputs.tolist()

   for inputs in [py_speech_inputs, np_speech_inputs]:
     UpperCAmelCase					      =  feature_extractor.pad([{"input_values": inputs}]			,						return_tensors="np"    )
     self.assertTrue(np_processed.input_values.dtype == np.floataa    )
     UpperCAmelCase					      =  feature_extractor.pad([{"input_values": inputs}]			,						return_tensors="pt"    )
     self.assertTrue(pt_processed.input_values.dtype == torch.floataa    )


 def _UpperCamelCase	(						self		: Optional[int]			,						lowerCAmelCase__		: Optional[int]    )    ->      int:
   from datasets import load_dataset

   UpperCAmelCase					      =  load_dataset("hf-internal-testing/librispeech_asr_dummy"			,						"clean"			,						split="validation"    )
   # automatic decoding with librispeech
   UpperCAmelCase					      =  ds.sort("id"    ).select(range(__A    )    )[:num_samples]["audio"]

   return [x["array"] for x in speech_samples]


 @require_torch
 def _UpperCamelCase	(						self		: List[str]    )    ->      List[Any]:
   # fmt: off
   UpperCAmelCase					      =  torch.tensor(
       [-0.9_894, -1.2_776, -0.9_066, -1.2_776, -0.9_349, -1.2_609, -1.0_386, -1.2_776,
        -1.1_561, -1.2_776, -1.2_052, -1.2_723, -1.2_190, -1.2_132, -1.2_776, -1.1_133,
        -1.1_953, -1.1_343, -1.1_584, -1.2_203, -1.1_770, -1.2_474, -1.2_381, -1.1_936,
        -0.9_270, -0.8_317, -0.8_049, -0.7_706, -0.7_565, -0.7_869]    )
   # fmt: on

   UpperCAmelCase					      =  self._load_datasamples(1    )
   UpperCAmelCase					      =  ASTFeatureExtractor()
   UpperCAmelCase					      =  feature_extractor(__A			,						return_tensors="pt"    ).input_values
   self.assertEquals(input_values.shape			,						(1, 1_0_2_4, 1_2_8)    )
   self.assertTrue(torch.allclose(input_values[0, 0, :3_0]			,						__A			,						atol=1e-4    )    )






import unittest

import numpy as np
def      _lowerCAmelCase(	__A   ,       __A   ,       __A   ,       __A = None   ,       ):
  UpperCAmelCase					      =  np.shape(__A			)
  UpperCAmelCase					      =  np.shape(__A			)
  UpperCAmelCase					      =  np.shape(__A			)

  if shape_a[0] != shape_b[0]:
    UpperCAmelCase					      =  (
        "Expected the same number of rows for A and B. "
        F"Instead found A of size {shape_a} and B of size {shape_b}"
    )
    raise ValueError(__A			)

  if shape_b[1] != shape_c[1]:
    UpperCAmelCase					      =  (
        "Expected the same number of columns for B and C. "
        F"Instead found B of size {shape_b} and C of size {shape_c}"
    )
    raise ValueError(__A			)

  UpperCAmelCase					      =  pseudo_inv
  if a_inv is None:
    try:
      UpperCAmelCase					      =  np.linalg.inv(__A			)
    except np.linalg.LinAlgError:
      raise ValueError(
          "Input matrix A is not invertible. Cannot compute Schur complement."			)

  return mat_c - mat_b.T @ a_inv @ mat_b






class 						__magic_name__    (       unittest.TestCase    ):


 def _UpperCamelCase	(						self		: List[str]    )    ->      None:
   UpperCAmelCase					      =  np.array([[1, 2, 1], [2, 1, 2], [3, 2, 4]]    )
   UpperCAmelCase					      =  np.array([[0, 3], [3, 0], [2, 3]]    )
   UpperCAmelCase					      =  np.array([[2, 1], [6, 3]]    )

   UpperCAmelCase					      =  schur_complement(lowerCAmelCase__			,						lowerCAmelCase__			,						lowerCAmelCase__    )

   UpperCAmelCase					      =  np.block([[a, b], [b.T, c]]    )

   UpperCAmelCase					      =  np.linalg.det(lowerCAmelCase__    )
   UpperCAmelCase					      =  np.linalg.det(lowerCAmelCase__    )
   UpperCAmelCase					      =  np.linalg.det(lowerCAmelCase__    )

   self.assertAlmostEqual(lowerCAmelCase__			,						det_a * det_s    )


 def _UpperCamelCase	(						self		: str    )    ->      None:
   UpperCAmelCase					      =  np.array([[1, 2, 1], [2, 1, 2], [3, 2, 4]]    )
   UpperCAmelCase					      =  np.array([[0, 3], [3, 0], [2, 3]]    )
   UpperCAmelCase					      =  np.array([[2, 1], [6, 3]]    )

   with self.assertRaises(lowerCAmelCase__    ):
     schur_complement(lowerCAmelCase__			,						lowerCAmelCase__			,						lowerCAmelCase__    )


 def _UpperCamelCase	(						self		: Dict    )    ->      None:
   UpperCAmelCase					      =  np.array([[1, 2, 1], [2, 1, 2], [3, 2, 4]]    )
   UpperCAmelCase					      =  np.array([[0, 3], [3, 0], [2, 3]]    )
   UpperCAmelCase					      =  np.array([[2, 1, 3], [6, 3, 5]]    )

   with self.assertRaises(lowerCAmelCase__    ):
     schur_complement(lowerCAmelCase__			,						lowerCAmelCase__			,						lowerCAmelCase__    )


if __name__ == "__main__":
      import doctest

      doctest.testmod()
      unittest.main()



