parameters: (self, ewise_types)
return_statement: return None, None
docstring: Given a tuple of element-wise argument types, find a matching
          signature in the dispatcher.
  
          Return a 2-tuple containing the matching signature, and
          compilation result.  Will return two None's if no matching
          signature was found.
docstring_summary: Given a tuple of element-wise argument types, find a matching
          signature in the dispatcher.
docstring_tokens: Given a tuple of element - wise argument types find a matching signature in the dispatcher .
function: def find_ewise_function(self, ewise_types):
          """
          Given a tuple of element-wise argument types, find a matching
          signature in the dispatcher.
  
          Return a 2-tuple containing the matching signature, and
          compilation result.  Will return two None's if no matching
          signature was found.
          """
          if self._frozen:
              # If we cannot compile, coerce to the best matching loop
              loop = numpy_support.ufunc_find_matching_loop(self, ewise_types)
              if loop is None:
                  return None, None
              ewise_types = tuple(loop.inputs + loop.outputs)[:len(ewise_types)]
          for sig, cres in self._dispatcher.overloads.items():
              if sig.args == ewise_types:
                  return sig, cres
          return None, None
function_tokens: def find_ewise_function ( self , ewise_types ) : if self . _frozen : # If we cannot compile, coerce to the best matching loop loop = numpy_support . ufunc_find_matching_loop ( self , ewise_types ) if loop is None : return None , None ewise_types = tuple ( loop . inputs + loop . outputs ) [ : len ( ewise_types ) ] for sig , cres in self . _dispatcher . overloads . items ( ) : if sig . args == ewise_types : return sig , cres return None , None