def __sub__(self, other):
# Subtract other (interval or point) from self.
if self.TYPE != other.TYPE:
raise CyclerTypeError(self.TYPE, self, other.TYPE, other)
return self.sub(other)
def __add__(self, other):
# Add other (point or interval) to self.
if self.TYPE != other.TYPE:
raise CyclerTypeError(self.TYPE, self, other.TYPE, other)
return self.add(other)