def __rmul__(self, other):
if isinstance(other, int):
other = _sympify(other)
if isinstance(other, Expr):
other_ds = DomainScalar.from_sympy(other)
return self.from_dm(other_ds * self._dm)
return NotImplemented
def __mul__(self, other):
if isinstance(other, type(self)):
return self.from_dm(self._dm * other._dm)
elif isinstance(other, int):
other = _sympify(other)
if isinstance(other, Expr):
Kx = self.ring
try:
other_ds = DomainScalar(Kx.from_sympy(other), Kx)
except (CoercionFailed, ValueError):
other_ds = DomainScalar.from_sympy(other)
return self.from_dm(self._dm * other_ds)
return NotImplemented
def test_DomainScalar_from_sympy():
expr = S(1)
B = DomainScalar.from_sympy(expr)
assert B == DomainScalar(ZZ(1), ZZ)