def _promote_numeric(self, typ):
coercer = expressions.coercer_from_dtype(typ)
if isinstance(typ, tarray) and not isinstance(self.dtype, tarray):
return coercer.ec.coerce(self)
elif isinstance(typ, tndarray) and not isinstance(self.dtype, tndarray):
return coercer.ec.coerce(self)
else:
return coercer.coerce(self)
def _promote_numeric(self, typ):
coercer = expressions.coercer_from_dtype(typ)
if isinstance(typ, tarray) and not isinstance(self.dtype, tarray):
return coercer.ec.coerce(self)
elif isinstance(typ, tndarray) and not isinstance(self.dtype, tndarray):
return coercer.ec.coerce(self)
else:
return coercer.coerce(self)
def unify_exprs(*exprs: 'Expression') -> Tuple:
assert len(exprs) > 0
types = {e.dtype for e in exprs}
# all types are the same
if len(types) == 1:
return exprs + (True, )
for t in types:
c = expressions.coercer_from_dtype(t)
if all(c.can_coerce(e.dtype) for e in exprs):
return tuple([c.coerce(e) for e in exprs]) + (True, )
# cannot coerce all types to the same type
return exprs + (False, )
def unify_exprs(*exprs: 'Expression') -> Tuple:
assert len(exprs) > 0
types = {e.dtype for e in exprs}
# all types are the same
if len(types) == 1:
return exprs + (True,)
for t in types:
c = expressions.coercer_from_dtype(t)
if all(c.can_coerce(e.dtype) for e in exprs):
return tuple([c.coerce(e) for e in exprs]) + (True,)
# cannot coerce all types to the same type
return exprs + (False,)
