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* random.c (Init_Random): add Random::DEFAULT.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28846 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2010-08-03 12:16:06 +00:00
parent b80d5f14df
commit a4c0f7dfae
3 changed files with 24 additions and 1 deletions

View file

@ -1,3 +1,7 @@
Tue Aug 3 21:16:03 2010 Nobuyoshi Nakada <nobu@ruby-lang.org>
* random.c (Init_Random): add Random::DEFAULT.
Tue Aug 3 21:01:10 2010 Nobuyoshi Nakada <nobu@ruby-lang.org>
* hash.c (rb_check_hash_type): added.

View file

@ -329,7 +329,12 @@ random_mark(void *ptr)
rb_gc_mark(((rb_random_t *)ptr)->seed);
}
#define random_free RUBY_TYPED_DEFAULT_FREE
static void
random_free(void *ptr)
{
if (ptr != &default_rand)
xfree(ptr);
}
static size_t
random_memsize(const void *ptr)
@ -1232,6 +1237,8 @@ Init_Random(void)
rb_define_private_method(rb_cRandom, "state", random_state, 0);
rb_define_private_method(rb_cRandom, "left", random_left, 0);
rb_define_method(rb_cRandom, "==", random_equal, 1);
rb_define_const(rb_cRandom, "DEFAULT",
TypedData_Wrap_Struct(rb_cRandom, &random_data_type, &default_rand));
rb_define_singleton_method(rb_cRandom, "srand", rb_f_srand, -1);
rb_define_singleton_method(rb_cRandom, "rand", rb_f_rand, -1);

View file

@ -415,4 +415,16 @@ END
assert_equal(r1, r2)
}
end
def test_default
r1 = Random::DEFAULT.dup
r2 = Random::DEFAULT.dup
3.times do
x0 = rand
x1 = r1.rand
x2 = r2.rand
assert_equal(x0, x1)
assert_equal(x0, x2)
end
end
end