def test_Function():
f = Function('f')
fx = f(x)
w = WildFunction('w')
assert str(f) == "f"
assert str(fx) == "f(x)"
assert str(w) == "w_"
def test_is_number():
assert Float(3.14).is_number == True
assert Integer(737).is_number == True
assert Rational(3, 2).is_number == True
assert Rational(8).is_number == True
assert x.is_number == False
assert (2 * x).is_number == False
assert (x + y).is_number == False
assert log(2).is_number == True
assert log(x).is_number == False
assert (2 + log(2)).is_number == True
assert (8 + log(2)).is_number == True
assert (2 + log(x)).is_number == False
assert (8 + log(2) + x).is_number == False
assert (1 + x**2 / x - x).is_number == True
assert Tuple(Integer(1)).is_number == False
assert Add(2, x).is_number == False
assert Mul(3, 4).is_number == True
assert Pow(log(2), 2).is_number == True
assert oo.is_number == True
g = WildFunction('g')
assert g.is_number == False
assert (2 * g).is_number == False
assert (x**2).subs(x, 3).is_number == True
# test extensibility of .is_number
# on subinstances of Basic
class A(Basic):
pass
a = A()
assert a.is_number == False
def test_is_number():
g = WildFunction('g')
assert Real(3.14).is_number == True
assert Integer(737).is_number == True
assert Rational(3, 2).is_number == True
assert Rational(8).is_number == True
assert x.is_number == False
assert (2 * x).is_number == False
assert (x + y).is_number == False
assert log(2).is_number == True
assert log(x).is_number == False
assert (2 + log(2)).is_number == True
assert (8 + log(2)).is_number == True
assert (2 + log(x)).is_number == False
assert (8 + log(2) + x).is_number == False
assert (2 * g).is_number == False
assert (1 + x**2 / x - x).is_number == True
# test extensibility of .is_number
# on subinstances of Basic
class A(Basic):
pass
a = A()
assert a.is_number == False
def test_Function():
f = Function("f")
fx = f(x)
w = WildFunction("w")
assert str(f) == "f"
assert str(fx) == "f(x)"
assert str(w) == "w_"
def test_is_number():
x, y = symbols('xy')
g = WildFunction('g')
assert Real(3.14).is_number == True
assert Integer(737).is_number == True
assert Rational(3, 2).is_number == True
assert x.is_number == False
assert (2*x).is_number == False
assert (x + y).is_number == False
assert log(2).is_number == True
assert log(x).is_number == False
assert (2 + log(2)).is_number == True
assert (2 + log(x)).is_number == False
assert (2*g).is_number == False
def test_WildFunction():
sT(WildFunction('w'), "WildFunction('w')")
