(self, prec)
Rounds down (not towards 0 if negative)
Rounds down (not towards 0 if negative)
Rounds down ( not towards 0 if negative )
def _round_floor(self, prec):
        """Rounds down (not towards 0 if negative)"""
        if not self._sign:
            return self._round_down(prec)
        else:
            return -self._round_down(prec)
def _round_floor ( self , prec ) : if not self . _sign : return self . _round_down ( prec ) else : return - self . _round_down ( prec )