You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
32 lines
949 B
32 lines
949 B
from sympy.assumptions.ask import Q
|
|
from sympy.core.symbol import Symbol
|
|
from sympy.assumptions.wrapper import (AssumptionsWrapper, is_infinite,
|
|
is_extended_real)
|
|
|
|
|
|
def test_AssumptionsWrapper():
|
|
x = Symbol('x', positive=True)
|
|
y = Symbol('y')
|
|
assert AssumptionsWrapper(x).is_positive
|
|
assert AssumptionsWrapper(y).is_positive is None
|
|
assert AssumptionsWrapper(y, Q.positive(y)).is_positive
|
|
|
|
|
|
def test_is_infinite():
|
|
x = Symbol('x', infinite=True)
|
|
y = Symbol('y', infinite=False)
|
|
z = Symbol('z')
|
|
assert is_infinite(x)
|
|
assert not is_infinite(y)
|
|
assert is_infinite(z) is None
|
|
assert is_infinite(z, Q.infinite(z))
|
|
|
|
|
|
def test_is_extended_real():
|
|
x = Symbol('x', extended_real=True)
|
|
y = Symbol('y', extended_real=False)
|
|
z = Symbol('z')
|
|
assert is_extended_real(x)
|
|
assert not is_extended_real(y)
|
|
assert is_extended_real(z) is None
|
|
assert is_extended_real(z, Q.extended_real(z))
|