def test_has_any():
x, y, z, t, u = symbols('x y z t u')
f = Function("f")
g = Function("g")
p = Wild('p')
assert sin(x).has(x)
assert sin(x).has(sin)
assert not sin(x).has(y)
assert not sin(x).has(cos)
assert f(x).has(x)
assert f(x).has(f)
assert not f(x).has(y)
assert not f(x).has(g)
assert f(x).diff(x).has(x)
assert f(x).diff(x).has(f)
assert f(x).diff(x).has(Derivative)
assert not f(x).diff(x).has(y)
assert not f(x).diff(x).has(g)
assert not f(x).diff(x).has(sin)
assert (x**2).has(Symbol)
assert not (x**2).has(Wild)
assert (2 * p).has(Wild)
i = Integer(4400)
assert i.has(x) is False
assert (i * x**i).has(x)
assert (i * y**i).has(x) is False
assert (i * y**i).has(x, y)
expr = x**2 * y + sin(2**t + log(z))
assert expr.has(u) is False
assert expr.has(x)
assert expr.has(y)
assert expr.has(z)
assert expr.has(t)
assert expr.has(x, y, z, t)
assert expr.has(x, y, z, t, u)
from sympy.physics.units import m, s
assert (x * m / s).has(x)
assert (x * m / s).has(y, z) is False
poly = Poly(x**2 + x * y * sin(z), x, y, t)
assert poly.has(x)
assert poly.has(x, y, z)
assert poly.has(x, y, z, t)
assert FockState((x, y)).has(x)
def test_basic_state():
i, j, n, m = var('i j n m')
s = FockState([0,1,2,3,4])
assert len(s) == 5
assert s.args[0] == tuple(range(5))
assert s.up(0) == FockState([1,1,2,3,4])
assert s.down(4) == FockState([0,1,2,3,3])
for i in range(5):
assert s.up(i).down(i) == s
assert s.down(0) == 0
for i in range(5):
assert s[i] == i
s = FockState([n,m])
assert s.down(0) == FockState([n-1,m])
assert s.up(0) == FockState([n+1,m])
def test_has_all():
x,y,z,t,u = symbols('xyztu')
u = symbols('u')
i = Integer(4400)
assert i.has(x, all=True) is False
assert (i*x**i).has(x, all=True)
assert (i*y**i).has(x, all=True) is False
expr = x**2*y + sin(2**t + log(z))
assert expr.has(y, z, t, all=True)
assert expr.has(x, z, t, all=True)
assert expr.has(x, y, t, all=True)
assert expr.has(x, y, z, all=True)
assert expr.has(y, u, t, all=True) is False
assert expr.has(x, z, u, all=True) is False
assert expr.has(u, y, z, all=True) is False
assert expr.has(x, y, z, t, all=True)
assert expr.has(x, y, z, t, u, all=True) is False
from sympy.physics.units import m, s
assert (x*m/s).has(x, all=True)
assert (x*m/s).has(x, y, all=True) is False
poly = Poly(x**2 + x*y*sin(z), x, y, t)
assert poly.has(x, y, z, all=True)
assert poly.has(x, y, z, t, all=True) is False
f = FockState((x, y))
assert f.has(x, y, all=True)
assert f.has(x, y, z, all=True) is False
def test_sympy__physics__secondquant__FockState():
from sympy.physics.secondquant import FockState
assert _test_args(FockState((0, 1)))
def test_has_physics():
assert FockState((x, y)).has(x)
def test_basic_state():
i, j, n, m = var('i j n m')
s = FockState([0, 1, 2, 3, 4])
assert len(s) == 5
assert s.args[0] == tuple(range(5))
assert s.up(0) == FockState([1, 1, 2, 3, 4])
assert s.down(4) == FockState([0, 1, 2, 3, 3])
for i in range(5):
assert s.up(i).down(i) == s
assert s.down(0) == 0
for i in range(5):
assert s[i] == i
s = FockState([n, m])
assert s.down(0) == FockState([n - 1, m])
assert s.up(0) == FockState([n + 1, m])