Python QQ.frac_field示例

示例#1

文件： test_domains.py 项目： X3nOph0N/diofant

def test_Domain_field():
    assert EX.field == EX
    assert ZZ.field == QQ
    assert QQ.field == QQ
    assert RR.field == RR
    assert ALG.field == ALG
    assert ZZ.inject(x).field == ZZ.frac_field(x)
    assert QQ.inject(x).field == QQ.frac_field(x)
    assert ZZ.inject(x, y).field == ZZ.frac_field(x, y)
    assert QQ.inject(x, y).field == QQ.frac_field(x, y)

示例#2

文件： test_repr.py 项目： fagan2888/diofant

def test_FractionField():
    sT(ZZ.inject('x').field, "FractionField(%s, (Symbol('x'),), "
                             'LexOrder())' % repr(ZZ))
    sT(QQ.frac_field('x', 'y', order=grlex),
       "FractionField(%s, (Symbol('x'), Symbol('y')), "
       'GradedLexOrder())' % repr(QQ))
    sT(ZZ.inject('x', 'y', 'z', 't').eject('t').field,
       "FractionField(PolynomialRing(%s, (Symbol('t'),), LexOrder()), "
       "(Symbol('x'), Symbol('y'), Symbol('z')), LexOrder())" % repr(ZZ))

示例#3

文件： test_repr.py 项目： diofant/diofant

def test_FractionField():
    sT(
        ZZ.inject('x').field,
        f"FractionField({ZZ!r}, (Symbol('x'),), LexOrder())")
    sT(QQ.frac_field('x', 'y', order=grlex),
       f"FractionField({QQ!r}, (Symbol('x'), Symbol('y')), GradedLexOrder())")
    sT(
        ZZ.inject('x', 'y', 'z', 't').eject('t').field,
        f"FractionField(UnivarPolynomialRing({ZZ!r}, (Symbol('t'),), LexOrder()), "
        "(Symbol('x'), Symbol('y'), Symbol('z')), LexOrder())")

示例#4

文件： test_fields.py 项目： diofant/diofant

def test_cache():
    F1 = QQ.frac_field(-sqrt(2))
    F2 = QQ.frac_field(-2 * sqrt(2))

    assert F1 != F2

示例#5

def test_FractionField():
    assert str(ZZ.inject('x').field) == 'ZZ(x)'
    assert str(QQ.frac_field('x', 'y', order=grlex)) == 'QQ(x,y)'
    assert str(ZZ.inject('x', 'y', 'z',
                         't').eject('t').field) == 'ZZ[t](x,y,z)'