code: def __bo_fold(d):
      """Compute the balanced, octave-folded interval.
  
      This maps intervals to the range [sqrt(2)/2, sqrt(2)).
  
      This is part of the FJS notation converter.
      It is equivalent to the `reb` function described in the FJS
      documentation, but with a simpler implementation.
      """
      return d * (2.0 ** -np.round(np.log2(d)))
  
imports: import re
  import numpy
  from numba import jit
  from collections import Counter
  from .intervals import INTERVALS
  from .._cache import cache
  from ..util.exceptions import ParameterError
  from typing import Dict, List, Iterable, Union, overload
  from ..util.decorators import vectorize
  from .._typing import _ScalarOrSequence, _FloatLike_co, _SequenceLike, _IterableLike
label_desc: Use image node_id 19 for calling a global function with example usage: __bo_fold(d) and returns: unknown