diff options
author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2010-04-03 01:51:26 +0000 |
---|---|---|
committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2010-04-03 01:51:26 +0000 |
commit | 6decf411c6f8fd6778d8d4326a8dd8a0e2c09dcd (patch) | |
tree | e75fb0ead125ae468a85d7affceca9d2a62b9288 /random.c | |
parent | a9aeb765c5b6681063682d67df75df96af5860b0 (diff) |
* random.c (random_rand): raise ArgumentError on nil, as the
documentation implies. [ruby-core:29075]
* random.c (rb_f_rand): mentioned the case of when max is nil.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27204 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'random.c')
-rw-r--r-- | random.c | 5 |
1 files changed, 2 insertions, 3 deletions
@@ -989,7 +989,6 @@ random_rand(int argc, VALUE *argv, VALUE obj) int excl = 0; if (argc == 0) { - zero_arg: return rb_float_new(genrand_real(&rnd->mt)); } else if (argc != 1) { @@ -997,7 +996,7 @@ random_rand(int argc, VALUE *argv, VALUE obj) } vmax = argv[0]; if (NIL_P(vmax)) { - goto zero_arg; + v = Qnil; } else if (TYPE(vmax) != T_FLOAT && (v = rb_check_to_integer(vmax, "to_int"), !NIL_P(v))) { v = rand_int(&rnd->mt, vmax = v, 1); @@ -1098,7 +1097,7 @@ random_equal(VALUE self, VALUE other) * rand(max=0) => number * * Converts <i>max</i> to an integer using max1 = - * max<code>.to_i.abs</code>. If the result is zero, returns a + * max<code>.to_i.abs</code>. If _max_ is +nil+ the result is zero, returns a * pseudorandom floating point number greater than or equal to 0.0 and * less than 1.0. Otherwise, returns a pseudorandom integer greater * than or equal to zero and less than max1. <code>Kernel::srand</code> |