diff options
Diffstat (limited to 'numeric.c')
-rw-r--r-- | numeric.c | 6 |
1 files changed, 6 insertions, 0 deletions
@@ -2223,6 +2223,12 @@ rb_int_truncate(VALUE num, int ndigits) * 34567.89.round(2) #=> 34567.89 * 34567.89.round(3) #=> 34567.89 * + * If <code>half:</code> optional keyword is given, just-half number + * will be rounded according to that value. If it is + * <code>:up</code> or +nil+, the result will be rounded up, or it is + * <code>:even</code>, the result will be rounded to nearest even + * number, or it is <code>:down</code>, the result will be rounded + * down. */ static VALUE |