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#!/usr/bin/python3
#*****************************************************************************
# Copyright (C) 2020 Vincent Delecroix <vincent.delecroix@labri.fr>
#
# Distributed under the terms of the GNU General Public License (GPL)
# as published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
# http://www.gnu.org/licenses/
#*****************************************************************************
import cypari2
import unittest
class TestBackward(unittest.TestCase):
def test_polisirreducible(self):
pari = cypari2.Pari()
p = pari('x^2 + 1')
self.assertTrue(p.polisirreducible())
def test_sqrtint(self):
pari = cypari2.Pari()
self.assertEqual(pari(10).sqrtint(), 3)
def test_poldegree(self):
pari = cypari2.Pari()
self.assertEqual(pari('x + 1').poldegree(), 1)
self.assertEqual(pari('x*y^2 + 1').poldegree(pari('x')), 1)
self.assertEqual(pari('x*y^2 + 1').poldegree(pari('y')), 2)
if __name__ == '__main__':
unittest.main()
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