def __mul__(self, other):
		'''Multiply this bound by another'''
		if self == bound(0) or other == bound(0):
			return bound(0)
		if self == inf or other == inf:
			return inf
		return bound(self.v * other.v)
def __mul__ ( self , other ) : if self == bound ( 0 ) or other == bound ( 0 ) : return bound ( 0 ) if self == inf or other == inf : return inf return bound ( self . v * other . v )
Multiply this bound by another