import json
import os
import tempfile

from transformers.testing_utils import check_json_file_has_correct_format
class     a_			:






 '''simple docstring'''






 UpperCAmelCase_     			= None




 def 		__snake_case						(      self :  Dict):







        '''simple docstring'''



        lowerCAmelCase__					     = self.feature_extraction_class(**self.feat_extract_dict)
        lowerCAmelCase__					     = json.loads(feat_extract.to_json_string())
        for key, value in self.feat_extract_dict.items():
               self.assertEqual(obj[key]      ,   lowercase__)




 def 		__snake_case						(      self :  List[Any]):







        '''simple docstring'''



        lowerCAmelCase__					     = self.feature_extraction_class(**self.feat_extract_dict)

        with tempfile.TemporaryDirectory() as tmpdirname:
               lowerCAmelCase__					     = os.path.join(lowercase__      ,   'feat_extract.json')
               feat_extract_first.to_json_file(lowercase__)
               lowerCAmelCase__					     = self.feature_extraction_class.from_json_file(lowercase__)

        self.assertEqual(feat_extract_second.to_dict()      ,   feat_extract_first.to_dict())




 def 		__snake_case						(      self :  Tuple):







        '''simple docstring'''



        lowerCAmelCase__					     = self.feature_extraction_class(**self.feat_extract_dict)

        with tempfile.TemporaryDirectory() as tmpdirname:
               lowerCAmelCase__					     = feat_extract_first.save_pretrained(lowercase__)[0]
               check_json_file_has_correct_format(lowercase__)
               lowerCAmelCase__					     = self.feature_extraction_class.from_pretrained(lowercase__)

        self.assertEqual(feat_extract_second.to_dict()      ,   feat_extract_first.to_dict())




 def 		__snake_case						(      self :  List[str]):







        '''simple docstring'''



        lowerCAmelCase__					     = self.feature_extraction_class()
        self.assertIsNotNone(lowercase__)

from math import log

from scipy.constants import Boltzmann, physical_constants

lowerCAmelCase__     						=			300  # TEMPERATURE (unit = K)






def 				__lowerCamelCase		(						lowerCAmelCase__     ,  lowerCAmelCase__     ,  lowerCAmelCase__     ,  ):

       if donor_conc <= 0:
              raise ValueError('Donor concentration should be positive'     )
       elif acceptor_conc <= 0:
              raise ValueError('Acceptor concentration should be positive'     )
       elif intrinsic_conc <= 0:
              raise ValueError('Intrinsic concentration should be positive'     )
       elif donor_conc <= intrinsic_conc:
              raise ValueError(
                  'Donor concentration should be greater than intrinsic concentration'     )
       elif acceptor_conc <= intrinsic_conc:
              raise ValueError(
                  'Acceptor concentration should be greater than intrinsic concentration'     )
       else:
              return (
                  Boltzmann
                  * T
                  * log((donor_conc * acceptor_conc) / intrinsic_conc**2     )
                  / physical_constants["electron volt"][0]
              )


if __name__ == "__main__":
    import doctest

    doctest.testmod()
