class_docstr: Context for fast low-precision arithmetic (53-bit precision, giving at most
  about 15-digit accuracy), using Python's builtin float and complex.
code: def __init__(ctx):
      StandardBaseContext.__init__(ctx)
  
      # Override SpecialFunctions implementation
      ctx.loggamma = math2.loggamma
      ctx._bernoulli_cache = {}
      ctx.pretty = False
  
      ctx._init_aliases()
  
imports: from .ctx_base import StandardBaseContext
  import math
  import cmath
  from .None import math2
  from .None import function_docs
  from .libmp import mpf_bernoulli, to_float, int_types
  from .None import libmp
label_desc: Use image node_id 1 to create a new FPContext object from inherited base classes: StandardBaseContext with example: obj = FPContext(ctx)