(self, c)
Scalar multiplication. ``c`` is guaranteed in self.ring.
Scalar multiplication. ``c`` is guaranteed in self.ring.
Scalar multiplication . c is guaranteed in self . ring .
def _mul_scalar(self, c):
        """Scalar multiplication. ``c`` is guaranteed in self.ring."""
        raise NotImplementedError
def _mul_scalar ( self , c ) : raise NotImplementedError