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Author SHA1 Message Date
yugui
237fc68839 merges r26936 from trunk into ruby_1_9_1 and little refactoring. 
--
* random.c (rb_reset_random_seed): set seed in this. [ruby-core:28655]
--
* random.c: refactoring.

* random.c (rand_srand): a new function that wraps
  rand_init and (re)initialization of the random seed as
  a VALUE.

* random.c (genrand_int32, genrand_real, rb_f_rand,
  rb_f_srand): using rand_srand.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_1@28511 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2010-07-01 07:59:03 +00:00
mame
7e6dd6142e * test/ruby/test_rand.rb: add tests to achieve over 95% test coverage 
of random.c.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15841 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2008-03-25 15:56:36 +00:00
akr
c47ca1f02f add test_rand_0x100000000. 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@7917 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2005-02-07 16:11:14 +00:00
akr
943e67ef97 * random.c (init_by_array): imported from mt19937ar-cok.tgz. 
(genrand_int32): ditto.
  (genrand_real): replaced with genrand_res53 in mt19937ar-cok.
  (rand_init): support bignum for longer seed.
  (random_seed): generate longer seed.
  (make_mask): new function.
  (limited_rand): ditto.
  (limited_big_rand): ditto.
  (rb_f_rand): call limited_rand and limited_big_rand.
  [ruby-dev:25403]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@7723 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2005-01-04 17:38:39 +00:00