VP_ROUND_HALF_DOWN 1941 ext/bigdecimal/bigdecimal.c     rb_define_const(rb_cBigDecimal, "ROUND_HALF_DOWN",INT2FIX(VP_ROUND_HALF_DOWN));
VP_ROUND_HALF_DOWN 2160 ext/bigdecimal/bigdecimal.c        n==VP_ROUND_HALF_UP || n==VP_ROUND_HALF_DOWN ||
VP_ROUND_HALF_DOWN 4473 ext/bigdecimal/bigdecimal.c     case VP_ROUND_HALF_DOWN: /* Round half down  */
VP_ROUND_HALF_DOWN 4575 ext/bigdecimal/bigdecimal.c     case VP_ROUND_HALF_DOWN: