diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/ec/test_regress.py | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/test/ec/test_regress.py b/test/ec/test_regress.py index f20491d..067a269 100644 --- a/test/ec/test_regress.py +++ b/test/ec/test_regress.py @@ -1,7 +1,7 @@ from typing import cast import pytest -from sympy import symbols +from sympy import symbols, FF, Poly from pyecsca.ec.coordinates import AffineCoordinateModel from pyecsca.ec.curve import EllipticCurve @@ -132,3 +132,18 @@ def test_issue_53(): coords = secp128r1.curve.coordinate_model formula = coords.formulas["dbl-1998-hnm"] formula(secp128r1.curve.prime, secp128r1.generator, **secp128r1.curve.parameters) + + +def test_issue_71(): + ax = symbols("α") + field = FF(340282366762482138434845932244680310783) + rhs = Poly( + ax**3 + + field(55811479606114091134440010920619299102) * ax + + field(126188322377389722996253562430093625949), + ax, + domain=field, + ) + rhs.ground_roots() + # raises TypeError: + # flint/types/fmpz_mod_poly.pyx:321: TypeError |