def test_issue_230():
# 3 racines réelles pour le polynôme.
assertEqual(str(resoudre("x^3+7*x^2-5*x-4==0").evalf()),
'{-7.58937000406433 ; -0.488827742140880 ; 1.07819774620521}')
def assert_resoudre(x, y):
if not isinstance(y, (list, tuple, set)):
y = [y]
if not assertEqualAny(str(resoudre(x)), y, _raise=False):
print(_red('-> Test failed for %s' % repr(x)))
assert False
def assert_resoudre(x, y):
assertEqual(str(resoudre(x)), y)
def test_poly3():
sols = resoudre('5 + 1500/x**2 - 2*(1500*x + 100)/x**3=0', ensemble='R')
# 3 solutions
assert len(sols.intervalles) == 3