class_docstr: Real numbers up to the given precision. 
class_docstr_tok: ["Real","numbers","up","to","the","given","precision","."]
code: def tp(self):
      # XXX: Domain treats tp as an alis of dtype. Here we need to two
      # separate things: dtype is a callable to make/convert instances.
      # We use tp with isinstance to check if an object is an instance
      # of the domain already.
      return self._dtype
  
imports: from sympy.external.gmpy import SYMPY_INTS
  from sympy.core.numbers import Float
  from sympy.polys.domains.field import Field
  from sympy.polys.domains.simpledomain import SimpleDomain
  from sympy.polys.domains.characteristiczero import CharacteristicZero
  from sympy.polys.domains.mpelements import MPContext
  from sympy.polys.polyerrors import CoercionFailed
  from sympy.utilities import public
label_desc: Use image node_id 6 for calling the RealField obj's underlying member method code with example usage: obj.tp() and returns: self