def test_numbers():
x = symbol('x', 'real')
y = symbol('y', 'int')
for expr in [x + 1, x - 1, x * 1, x + y, x - y, x / y, x * y + x + y,
x**y, x**2, 2**x, x % 5, -x,
sin(x), cos(x ** 2), exp(log(y))]:
assert expr.dshape == dshape('real')
assert eval(str(expr)).isidentical(expr)
assert (-y).dshape == dshape('int')
def test_numbers():
x = symbol('x', 'real')
y = symbol('y', 'int')
for expr in [x + 1, x - 1, x * 1, x + y, x - y, x / y, x * y + x + y,
x**y, x**2, 2**x, x % 5, -x,
sin(x), cos(x ** 2), exp(log(y))]:
assert expr.dshape == dshape('real')
assert eval(str(expr)).isidentical(expr)
assert (-y).dshape == dshape('int')
def test_numbers():
x = symbol("x", "real")
y = symbol("y", "int")
for expr in [
x + 1,
x - 1,
x * 1,
x + y,
x - y,
x / y,
x * y + x + y,
x ** y,
x ** 2,
2 ** x,
x % 5,
-x,
sin(x),
cos(x ** 2),
exp(log(y)),
]:
assert expr.dshape == dshape("real")
assert eval(str(expr)).isidentical(expr)
assert (-y).dshape == dshape("int")
def test_neg_dshape_unsigned():
y = symbol('y', 'uint32')
assert (-y).dshape == dshape('int32')
def test_relationals():
x = symbol('x', 'real')
for expr in [x < 1, x > 1, x == 1, x != 1, x <= 1, x >= 1, ~b]:
assert expr.dshape == dshape('bool')
assert eval(str(expr)).isidentical(expr)
def test_neg_dshape_unsigned():
y = symbol("y", "uint32")
assert (-y).dshape == dshape("int32")
def test_neg_dshape_unsigned():
y = symbol('y', 'uint32')
assert (-y).dshape == dshape('int32')
def test_relationals():
x = symbol('x', 'real')
for expr in [x < 1, x > 1, x == 1, x != 1, x <= 1, x >= 1, ~b]:
assert expr.dshape == dshape('bool')
assert eval(str(expr)).isidentical(expr)
def test_scalar_field():
x = symbol('x', '{name: string, amount: int64, when: datetime}')
assert 'amount' in dir(x)
assert x.amount.dshape == dshape('int64')
def test_relationals():
x = symbol("x", "real")
for expr in [x < 1, x > 1, x == 1, x != 1, x <= 1, x >= 1, ~b]:
assert expr.dshape == dshape("bool")
assert eval(str(expr)).isidentical(expr)
def test_scalar_projection():
x = symbol("x", "{name: string, amount: int64, when: datetime}")
assert x[["amount", "when"]].dshape == dshape("{amount: int64, when: datetime}")
def test_scalar_field():
x = symbol("x", "{name: string, amount: int64, when: datetime}")
assert "amount" in dir(x)
assert x.amount.dshape == dshape("int64")
def test_scalar_name_dtype():
x = symbol("x", "int64")
assert x._name == "x"
assert x.dshape == dshape("int64")
def test_arithmetic_dshape_inference():
x = symbol("x", "int")
y = symbol("y", "int")
assert (x + y).dshape == dshape("int")
def test_arithmetic_dshape_inference():
x = symbol('x', 'int')
y = symbol('y', 'int')
assert (x + y).dshape == dshape('int')
def test_scalar_name_dtype():
x = symbol('x', 'int64')
assert x._name == 'x'
assert x.dshape == dshape('int64')
def test_relationals():
x = Symbol('x', 'real')
for expr in [x < 1, x > 1, x == 1, x != 1, x <= 1, x >= 1, ~x]:
assert expr.dshape == dshape('bool')
assert eval(str(expr)) == expr
def test_scalar_projection():
x = symbol('x', '{name: string, amount: int64, when: datetime}')
assert x[['amount', 'when']].dshape == \
dshape('{amount: int64, when: datetime}')
def test_scalar_name_dtype():
x = symbol('x', 'int64')
assert x._name == 'x'
assert x.dshape == dshape('int64')
def test_scalar_field():
x = symbol('x', '{name: string, amount: int64, when: datetime}')
assert 'amount' in dir(x)
assert x.amount.dshape == dshape('int64')
def test_scalar_projection():
x = symbol('x', '{name: string, amount: int64, when: datetime}')
assert x[['amount', 'when']].dshape == \
dshape('{amount: int64, when: datetime}')
def test_arithmetic_dshape_inference():
x = symbol('x', 'int')
y = symbol('y', 'int')
assert (x + y).dshape == dshape('int')
def test_relationals():
x = Symbol('x', 'real')
for expr in [x < 1, x > 1, x == 1, x != 1, x <= 1, x >= 1, ~x]:
assert expr.dshape == dshape('bool')
assert eval(str(expr)) == expr