code: def feq(a, b, max_relative_error=1e-12, max_absolute_error=1e-12):
      a = float(a)
      b = float(b)
      # if the numbers are close enough (absolutely), then they are equal
      if abs(a - b) < max_absolute_error:
          return True
      # if not, they can still be equal if their relative error is small
      if abs(b) > abs(a):
          relative_error = abs((a - b) / b)
      else:
          relative_error = abs((a - b) / a)
      return relative_error <= max_relative_error
  
file_path: sympy/sympy/physics/tests/test_hydrogen.py
imports: from sympy.core.numbers import I, Rational, oo, pi
  from sympy.core.singleton import S
  from sympy.core.symbol import symbols
  from sympy.functions.elementary.exponential import exp
  from sympy.functions.elementary.miscellaneous import sqrt
  from sympy.functions.elementary.trigonometric import cos, sin
  from sympy.integrals.integrals import integrate
  from sympy.simplify.simplify import simplify
  from sympy.physics.hydrogen import R_nl, E_nl, E_nl_dirac, Psi_nlm
  from sympy.testing.pytest import raises
label_desc: Use image node_id 1 for calling a global function with example usage: feq(a, b, max_relative_error, max_absolute_error) and returns: unknown, True