dimensions.py 文件源码

def has_integer_powers(self):
        """
        Check if the dimension object has only integer powers.

        All the dimension powers should be integers, but rational powers may
        appear in intermediate steps. This method may be used to check that the
        final result is well-defined.
        """

        for dpow in self.get_dimensional_dependencies().values():
            if not isinstance(dpow, (int, Integer)):
                return False
        else:
            return True


# base dimensions (MKS)