diff options
| author | Rickard Green <[email protected]> | 2015-03-20 21:37:15 +0100 |
|---|---|---|
| committer | Rickard Green <[email protected]> | 2015-03-20 21:37:15 +0100 |
| commit | 6642d62c071f94d3e76254453099e2df01f7ad0e (patch) | |
| tree | bb7acaeb1710092da6257ac3abd937bce67e394d /lib/stdlib/src/random.erl | |
| parent | 74099492bee421c4829537bca3c4bc0c4fbec031 (diff) | |
| parent | f4e3cd1c970cfc5ad54f2ed64832d05749c305d4 (diff) | |
| download | otp-6642d62c071f94d3e76254453099e2df01f7ad0e.tar.gz otp-6642d62c071f94d3e76254453099e2df01f7ad0e.tar.bz2 otp-6642d62c071f94d3e76254453099e2df01f7ad0e.zip | |
Merge branch 'rickard/time_api/master/OTP-11997'
* rickard/time_api/master/OTP-11997: (22 commits)
Update primary bootstrap
inets: Suppress deprecated warning on erlang:now/0
inets: Cleanup of multiple copies of functions Add inets_lib with common functions used by multiple modules
inets: Update comments
Suppress deprecated warning on erlang:now/0
Use new time API and be back-compatible in inets Remove unused functions and removed redundant test
asn1 test SUITE: Eliminate use of now/0
Disable deprecated warning on erlang:now/0 in diameter_lib
Use new time API and be back-compatible in ssh
Replace all calls to now/0 in CT with new time API functions
test_server: Replace usage of erlang:now() with usage of new API
Replace usage of erlang:now() with usage of new API
Replace usage of erlang:now() with usage of new API
Replace usage of erlang:now() with usage of new API
Replace usage of erlang:now() with usage of new API
otp_SUITE: Warn for calls to erlang:now/0
Replace usage of erlang:now() with usage of new API
Multiple timer wheels
Erlang based BIF timer implementation for scalability
Implement ethread events with timeout
...
Diffstat (limited to 'lib/stdlib/src/random.erl')
| -rw-r--r-- | lib/stdlib/src/random.erl | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/stdlib/src/random.erl b/lib/stdlib/src/random.erl index d7b51a151c..cf84f8cecf 100644 --- a/lib/stdlib/src/random.erl +++ b/lib/stdlib/src/random.erl @@ -57,11 +57,17 @@ seed() -> %% seed({A1, A2, A3}) %% Seed random number generation --spec seed({A1, A2, A3}) -> 'undefined' | ran() when +-spec seed(SValue) -> 'undefined' | ran() when + SValue :: {A1, A2, A3} | integer(), A1 :: integer(), A2 :: integer(), A3 :: integer(). +seed(Int) when is_integer(Int) -> + A1 = (Int bsr 16) band 16#fffffff, + A2 = Int band 16#ffffff, + A3 = (Int bsr 36) bor (A2 bsr 16), + seed(A1, A2, A3); seed({A1, A2, A3}) -> seed(A1, A2, A3). |