Python as_setの例

コード例 #1

ファイル: test_boolalg.py プロジェクト: JiraiyaGerotora/sympy

def test_bool_as_set():
    x = symbols('x')

    assert And(x <= 2, x >= -2).as_set() == Interval(-2, 2)
    assert Or(x >= 2, x <= -2).as_set() == Interval(-oo, -2) + Interval(2, oo)
    assert Not(x > 2).as_set() == Interval(-oo, 2)
    assert true.as_set() == S.UniversalSet
    assert false.as_set() == EmptySet()

コード例 #2

def test_bool_as_set():
    x = symbols('x')

    assert And(x <= 2, x >= -2).as_set() == Interval(-2, 2)
    assert Or(x >= 2, x <= -2).as_set() == Interval(-oo, -2) + Interval(2, oo)
    assert Not(x > 2).as_set() == Interval(-oo, 2)
    assert true.as_set() == S.UniversalSet
    assert false.as_set() == EmptySet()

コード例 #3

ファイル: test_boolalg.py プロジェクト: latot/sympy

def test_bool_as_set():
    x = symbols("x")

    assert And(x <= 2, x >= -2).as_set() == Interval(-2, 2)
    assert Or(x >= 2, x <= -2).as_set() == Interval(-oo, -2) + Interval(2, oo)
    assert Not(x > 2).as_set() == Interval(-oo, 2)
    # issue 10240
    assert Not(And(x > 2, x < 3)).as_set() == Union(Interval(-oo, 2), Interval(3, oo))
    assert true.as_set() == S.UniversalSet
    assert false.as_set() == EmptySet()

コード例 #4

ファイル: test_boolalg.py プロジェクト: theaverageguy/sympy

def test_bool_as_set():
    x = symbols('x')

    assert And(x <= 2, x >= -2).as_set() == Interval(-2, 2)
    assert Or(x >= 2, x <= -2).as_set() == Interval(-oo, -2) + Interval(2, oo)
    assert Not(x > 2).as_set() == Interval(-oo, 2)
    # issue 10240
    assert Not(And(x > 2, x < 3)).as_set() == \
        Union(Interval(-oo,2),Interval(3,oo))
    assert true.as_set() == S.UniversalSet
    assert false.as_set() == EmptySet()

コード例 #5

 def test_as_set(self):
     
     #Testing on Boolean for UniversalSet
     assert true.as_set() is S.UniversalSet
     #Testing on Symbol
     assert x.as_set() is S.UniversalSet
     #Testing on Boolean for non UniversalSet
     assert false.as_set() is not S.UniversalSet
     
     assert And(cos(x) < 3, x < 1).as_set() is not (x < 1).as_set()
     #Raising exception
     raises(NotImplementedError, lambda: And(cos(x) < 1, x < 0).as_set())

コード例 #6

def test_bool_as_set():
    assert ITE(y <= 0, False, y >= 1).as_set() == Interval(1, oo)
    assert And(x <= 2, x >= -2).as_set() == Interval(-2, 2)
    assert Or(x >= 2, x <= -2).as_set() == Interval(-oo, -2) + Interval(2, oo)
    assert Not(x > 2).as_set() == Interval(-oo, 2)
    # issue 10240
    assert Not(And(x > 2, x < 3)).as_set() == \
        Union(Interval(-oo, 2), Interval(3, oo))
    assert true.as_set() == S.UniversalSet
    assert false.as_set() == EmptySet()
    assert x.as_set() == S.UniversalSet
    assert And(Or(x < 1, x > 3), x < 2).as_set() == Interval.open(-oo, 1)
    assert And(x < 1, sin(x) < 3).as_set() == (x < 1).as_set()
    raises(NotImplementedError, lambda: (sin(x) < 1).as_set())

コード例 #7

ファイル: test_boolalg.py プロジェクト: asmeurer/sympy

def test_bool_as_set():
    assert ITE(y <= 0, False, y >= 1).as_set() == Interval(1, oo)
    assert And(x <= 2, x >= -2).as_set() == Interval(-2, 2)
    assert Or(x >= 2, x <= -2).as_set() == Interval(-oo, -2) + Interval(2, oo)
    assert Not(x > 2).as_set() == Interval(-oo, 2)
    # issue 10240
    assert Not(And(x > 2, x < 3)).as_set() == \
        Union(Interval(-oo, 2), Interval(3, oo))
    assert true.as_set() == S.UniversalSet
    assert false.as_set() == EmptySet()
    assert x.as_set() == S.UniversalSet
    assert And(Or(x < 1, x > 3), x < 2).as_set() == Interval.open(-oo, 1)
    assert And(x < 1, sin(x) < 3).as_set() == (x < 1).as_set()
    raises(NotImplementedError, lambda: (sin(x) < 1).as_set())