diff options
| -rw-r--r-- | random.c | 10 |
1 files changed, 7 insertions, 3 deletions
@@ -1552,9 +1552,11 @@ static VALUE rand_random(int argc, VALUE *argv, VALUE obj, rb_random_t *rnd); * prng.rand(100) # => 42 * * When +max+ is a Float, +rand+ returns a random floating point number - * between 0.0 and +max+, including 0.0 and excluding +max+. + * between 0.0 and +max+, including 0.0 and excluding +max+. Note that it + * behaves differently from Kernel.rand. * - * prng.rand(1.5) # => 1.4600282860034115 + * prng.rand(1.5) # => 1.4600282860034115 + * rand(1.5) # => 0 * * When +range+ is a Range, +rand+ returns a random number where * <code>range.member?(number) == true</code>. @@ -1692,7 +1694,9 @@ rand_mt_equal(VALUE self, VALUE other) * Kernel.srand may be used to ensure that sequences of random numbers are * reproducible between different runs of a program. * - * See also Random.rand. + * Related: Random.rand. + * rand(100.0) # => 64 (Integer because max.to_i is 100) + * Random.rand(100.0) # => 30.315320967824523 */ static VALUE |