def test_invert_twice(symops, symops_sec):
"""Confirms that double inversion does not change symbolic operation"""
for nr, symop in enumerate(symops):
double_inverted = symmath.invert_symop(
symmath.invert_symop(symop))
assert any([double_inverted == symop,
double_inverted == symops_sec[nr]])
def test_invert(symops, symops_inv, symops_inv_sec):
"""Tests symmath.invert_symop that iverts symbolic operation"""
for nr, symop in enumerate(symops):
inverted = symmath.invert_symop(symop)
assert any([inverted == symops_inv[nr],
inverted == symops_inv_sec[nr]])