# cf.CoordinateReference.equals

`CoordinateReference.``equals`(other, rtol=None, atol=None, ignore_fill_value=False, traceback=False, mapping=None)

  True if two instances are equal, False otherwise.

  Parameters: | other: The object to compare for equality. atol: `float`, optional The absolute tolerance for all numerical comparisons, By default the value returned by the `ATOL` function is used. rtol: `float`, optional The relative tolerance for all numerical comparisons, By default the value returned by the `RTOL` function is used. ignore_fill_value: `bool`, optional If True then data arrays with different fill values are considered equal. By default they are considered unequal. traceback: `bool`, optional If True then print a traceback highlighting where the two instances differ.
  Returns: | out: `bool` Whether or not the two instances are equal.
  Examples: |