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| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | random.c | 8 |
2 files changed, 10 insertions, 3 deletions
@@ -1,3 +1,8 @@ +Sun Feb 3 10:25:00 2013 Zachary Scott <zachary@zacharyscott.net> + + * random.c: Document range argument for Kernel#rand. + [ruby-core:51794] [Bug #7770] + Sun Feb 3 10:00:00 2013 Zachary Scott <zachary@zacharyscott.net> * numeric.c: Document Float constants [ruby-core:51484] [Bug #7709] @@ -1273,12 +1273,14 @@ random_equal(VALUE self, VALUE other) * * rand #=> 0.2725926052826416 * - * When <tt>max.abs</tt> is greater than or equal to 1, +rand+ returns a - * pseudo-random integer greater than or equal to 0 and less than - * <tt>max.to_i.abs</tt>. + * When +max.abs+ is greater than or equal to 1, +rand+ returns a pseudo-random + * integer greater than or equal to 0 and less than +max.to_i.abs+. * * rand(100) #=> 12 * + * When +max+ is a Range, +rand+ returns a random number where + * range.member?(number) == true. + * * Negative or floating point values for +max+ are allowed, but may give * surprising results. * |