def test_issue1447(): # using list(...) so py.test can recalculate values tests = list( cartes([cot, tan], [-pi / 2, 0, pi / 2, pi, 3 * pi / 2], ['-', '+'])) results = (0, 0, -oo, oo, 0, 0, -oo, oo, 0, 0, oo, -oo, 0, 0, oo, -oo, 0, 0, oo, -oo) assert len(tests) == len(results) for i, (args, res) in enumerate(zip(tests, results)): f, l, d = args eq = f(x) try: assert limit(eq, x, l, dir=d) == res except AssertionError: if 0: # change to 1 if you want to see the failing tests print print i, res, eq, l, d, limit(eq, x, l, dir=d) else: assert None
def test_issue1447(): # using list(...) so py.test can recalculate values tests = list(cartes([cot, tan], [-pi/2, 0, pi/2, pi, 3*pi/2], ['-', '+'])) results = (0, 0, -oo, oo, 0, 0, -oo, oo, 0, 0, oo, -oo, 0, 0, oo, -oo, 0, 0, oo, -oo) assert len(tests) == len(results) for i, (args, res) in enumerate(zip(tests, results)): f, l, d= args eq=f(x) try: assert limit(eq, x, l, dir=d) == res except AssertionError: if 0: # change to 1 if you want to see the failing tests print print i, res, eq, l, d, limit(eq, x, l, dir=d) else: assert None
def test_issue2084(): # using list(...) so py.test can recalculate values tests = list( cartes([x, -x], [-1, 1], [2, 3, Rational(1, 2), Rational(2, 3)], ['-', '+'])) results = (oo, oo, -oo, oo, -oo * I, oo, -oo * (-1)**Rational(1, 3), oo, 0, 0, 0, 0, 0, 0, 0, 0, oo, oo, oo, -oo, oo, -oo * I, oo, -oo * (-1)**Rational(1, 3), 0, 0, 0, 0, 0, 0, 0, 0) assert len(tests) == len(results) for i, (args, res) in enumerate(zip(tests, results)): y, s, e, d = args eq = y**(s * e) try: assert limit(eq, x, 0, dir=d) == res except AssertionError: if 0: # change to 1 if you want to see the failing tests print print i, res, eq, d, limit(eq, x, 0, dir=d) else: assert None
def test_issue2084(): # using list(...) so py.test can recalculate values tests = list(cartes([x, -x], [-1, 1], [2, 3, Rational(1, 2), Rational(2, 3)], ['-', '+'])) results = (oo, oo, -oo, oo, -oo*I, oo, -oo*(-1)**Rational(1, 3), oo, 0, 0, 0, 0, 0, 0, 0, 0, oo, oo, oo, -oo, oo, -oo*I, oo, -oo*(-1)**Rational(1, 3), 0, 0, 0, 0, 0, 0, 0, 0) assert len(tests) == len(results) for i, (args, res) in enumerate(zip(tests, results)): y, s, e, d = args eq=y**(s*e) try: assert limit(eq, x, 0, dir=d) == res except AssertionError: if 0: # change to 1 if you want to see the failing tests print print i, res, eq, d, limit(eq, x, 0, dir=d) else: assert None