search for: do_setseed

I would like to suggest a modification of initial scrambling of the seed in RNG_Init (called from do_setseed). The modified code is equivalent, but faster. Patch against R-devel_2007-09-22 follows --- R-devel-orig/src/main/RNG.c 2007-09-02 07:49:35.000000000 +0200 +++ R-devel-modif/src/main/RNG.c 2007-09-23 10:51:59.234566440 +0200 @@ -216,8 +216,8 @@ BM_norm_keep = 0.0; /* zap Box-Muller history */...

Hi, Is the below -- setSeed -- an okay way to set the seed in standalone applications making use of Rlib? It seems to work as expected. Is there a better way to do it? (I'm also looking at do_setseed but am unsure what to supply as op. findFun("set.seed", R_GlobalEnv)?) Thanks much. -- David Faden, dfaden at iastate.edu AIM: pitulx -- #include <assert.h> #include <R.h> #include <Rinternals.h> #include <R_ext/Parse.h> #include <Rmath.h> #include <std...

...* outside of the main current interests (perhaps) of R-core I'm thinking in this case of Petr Savicky's series of posts http://www.nabble.com/bug-in-detection-of-zero-state-for-Mersenne-Twister-%28PR-10362%29-tf4670916.html#a13343487 http://www.nabble.com/initial-scrambling-of-seed-in-do_setseed---RNG_Init-tf4504008.html#a12845234 http://www.nabble.com/all-zeroes-in-Mersenne-Twister-state-may-remain-undetected-tf4626354.html#a13210502 http://www.nabble.com/predictable-bit-patterns-in-runif%28n%29-shortly-after-set.seed-tf4641681.html#a13257396 all between Sept 23 and October 15. One of...