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| author | Sverker Eriksson <[email protected]> | 2011-10-18 16:05:14 +0200 |
|---|---|---|
| committer | Sverker Eriksson <[email protected]> | 2011-10-18 16:12:00 +0200 |
| commit | 852827dab8fa74167f9a000998304e3961010797 (patch) | |
| tree | f593dfab5b0b8d33efffec2cd8945c44cc9f4a20 /lib/stdlib/doc/src | |
| parent | 0bff7dcedcb793f1d4d016ecee893964c790ded1 (diff) | |
| parent | b52a2170d13fe7ff6e4e3b146b63d8f68c2aaadf (diff) | |
| download | otp-852827dab8fa74167f9a000998304e3961010797.tar.gz otp-852827dab8fa74167f9a000998304e3961010797.tar.bz2 otp-852827dab8fa74167f9a000998304e3961010797.zip | |
Merge branch 'sverker/random-improved-algo'
* sverker/random-improved-algo:
Improve algorithm in module random.
Fix a bug in the implementation of the pseudo-random number generator
OTP-8713
Diffstat (limited to 'lib/stdlib/doc/src')
| -rw-r--r-- | lib/stdlib/doc/src/random.xml | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/stdlib/doc/src/random.xml b/lib/stdlib/doc/src/random.xml index 93affc3191..1b8fa44883 100644 --- a/lib/stdlib/doc/src/random.xml +++ b/lib/stdlib/doc/src/random.xml @@ -136,6 +136,11 @@ <c>random_seed</c> to remember the current seed.</p> <p>If a process calls <c>uniform/0</c> or <c>uniform/1</c> without setting a seed first, <c>seed/0</c> is called automatically.</p> + <p>The implementation changed in R15. Upgrading to R15 will break + applications that expect a specific output for a given seed. The output + is still deterministic number series, but different compared to releases + older than R15. The seed <c>{0,0,0}</c> will for example no longer + produce a flawed series of only zeros.</p> </section> </erlref> |