def __eq__(self, other):
r"""
Equality test.
EXAMPLES::
sage: UCF = UniversalCyclotomicField()
sage: UCF.one() == 1
True
sage: 1 == UCF.one()
True
sage: UCF(2/3) == 2/3
True
sage: 2/3 == UCF(2/3)
True
sage: UCF.gen(3) == UCF.gen(5)
False
sage: UCF.gen(5) + UCF.gen(3) == UCF.gen(3) + UCF.gen(5)
True
sage: UCF.zero() == None
False
sage: QQbar.zeta(5) == UCF.gen(5)
True
sage: UCF.gen(5) == QQbar.zeta(5)
True
sage: QQbar.zeta(5) == UCF.gen(5,2)
False
sage: UCF.gen(5,2) == QQbar.zeta(5)
False
"""
if parent(self) is not parent(other):
from sage.structure.element import coercion_model as cm
try:
self, other = cm.canonical_coercion(self, other)
except TypeError:
return False
return self == other
return self._obj == other._obj
def __eq__(self, other):
r"""
Equality test.
EXAMPLES::
sage: UCF = UniversalCyclotomicField()
sage: UCF.one() == 1
True
sage: 1 == UCF.one()
True
sage: UCF(2/3) == 2/3
True
sage: 2/3 == UCF(2/3)
True
sage: UCF.gen(3) == UCF.gen(5)
False
sage: UCF.gen(5) + UCF.gen(3) == UCF.gen(3) + UCF.gen(5)
True
sage: UCF.zero() == None
False
sage: QQbar.zeta(5) == UCF.gen(5)
True
sage: UCF.gen(5) == QQbar.zeta(5)
True
sage: QQbar.zeta(5) == UCF.gen(5,2)
False
sage: UCF.gen(5,2) == QQbar.zeta(5)
False
"""
if parent(self) is not parent(other):
from sage.structure.element import coercion_model as cm
try:
self, other = cm.canonical_coercion(self, other)
except TypeError:
return False
return self == other
return self._obj == other._obj
