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Diffstat (limited to 'gsl-1.9/rng/ChangeLog')
| -rw-r--r-- | gsl-1.9/rng/ChangeLog | 377 |
1 files changed, 377 insertions, 0 deletions
diff --git a/gsl-1.9/rng/ChangeLog b/gsl-1.9/rng/ChangeLog new file mode 100644 index 0000000..de53658 --- /dev/null +++ b/gsl-1.9/rng/ChangeLog @@ -0,0 +1,377 @@ +2007-01-28 Brian Gough <bjg@network-theory.co.uk> + + * knuthran2002.c: added revised version from 9th printing + +2007-01-04 Brian Gough <bjg@network-theory.co.uk> + + * default.c (gsl_rng_env_setup): send newline to stderr not stdout + +2006-04-13 Brian Gough <bjg@network-theory.co.uk> + + * default.c (gsl_rng_env_setup): print a newline after list of + generators in error message + +2006-03-16 Brian Gough <bjg@network-theory.co.uk> + + * test.c (main): added taus2 test + +2006-02-19 Brian Gough <bjg@network-theory.co.uk> + + * rng.c: added note about why range=max-min not max-min+1 + +2005-12-16 Brian Gough <bjg@network-theory.co.uk> + + * rng.c (gsl_rng_uniform_int): catch the case n = 0 and return an + error + +2003-07-23 Brian Gough <bjg@network-theory.co.uk> + + * file.c: added fwrite/fread functions + +2003-06-12 Brian Gough <bjg@network-theory.co.uk> + + * Makefile.am: removed benchmark programs from default build + +2003-06-02 Brian Gough <bjg@network-theory.co.uk> + + * waterman14.c: increased RAND_MIN to 1 + + * lecuyer21.c: corrections to RAND_MIN, RAND_MAX, floating point + denominator and seeding modulus + + * fishman20.c (ran_get): use schrage multiplication to avoid + overflow + + * coveyou.c: corrected value of RAND_MIN to 1 and RAND_MAX to 2^32-1 + + * borosh13.c: increased RAND_MIN to 1 + + * knuthran2.c (ran_get): use schrage multiplication to avoid + overflow in intermediate results + + * fishman2x.c (ran_get): use schrage multiplication to avoid + overflow in intermediate results + + * fishman18.c (ran_get): use schrage multiplication to avoid + overflow in intermediate results + + * schrage.c (schrage): utility functions for multiplication of + long integers + + * test.c (main): updated incorrect test values for + gsl_rng_fishman18 gsl_rng_fishman2x gsl_rng_knuthran2 + +Mon Nov 25 19:27:10 2002 Brian Gough <bjg@network-theory.co.uk> + + * taus.c (taus2_set): fixed bug in seeding for s3 (test should be + for s3<16, not s3<8) + +Sun Nov 3 14:40:43 2002 Brian Gough <bjg@network-theory.co.uk> + + * taus.c (taus2_set): fixed bug in seeding for s2 < 8 + +Mon Jun 17 21:04:10 2002 Brian Gough <bjg@network-theory.co.uk> + + * mt.c (mt_set): ensure state counter mti is initialised by + seeding routine + +Wed May 29 21:52:11 2002 Brian Gough <bjg@network-theory.co.uk> + + * randu.c: removed unused variable m + +Tue May 7 22:34:52 2002 Brian Gough <bjg@network-theory.co.uk> + + * mt.c (mt_1999_set): updated seeding procedure according to new + release of MT19937 from the original authors. + +Fri Apr 26 21:17:05 2002 Brian Gough <bjg@network-theory.co.uk> + + * taus.c (taus2_set): added alternate seeding procedure as + described in erratum to P.L'Ecuyer's paper. + +Wed Apr 17 19:37:49 2002 Brian Gough <bjg@network-theory.co.uk> + + * test.c (main): added missing test for gsl_rng_mt19937_1998 + + * gsl_rng.h: added missing declaration for gsl_rng_mt19937_1998 + +Sun Dec 2 15:45:24 2001 Brian Gough <bjg@network-theory.co.uk> + + * Added new generators borosh13, coveyou, fishman18, fishman20, + fishman2x, knuthran, knuthran2, lecuyer21, waterman14 from Knuth's + Seminumerical Algorithms 3rd Ed. Implemented by Carlo Perassi. + + * gfsr4.c (gfsr4_get_double): increased divisor for double to + 2^32, avoids generating exact result of 1.0 as specified in the + documentation + +Mon Sep 3 10:32:01 2001 Brian Gough <bjg@network-theory.co.uk> + + * mt.c (mt_1998_set): renamed macro to avoid duplicate definition + +Fri Aug 31 17:49:37 2001 Brian Gough <bjg@network-theory.co.uk> + + * mt.c (mt_1998_set): added the original (buggy) MT19937 seeding + routine as mt19937_1998 for compatibility. + +Wed May 2 15:35:38 2001 Brian Gough <bjg@network-theory.co.uk> + + * ran1.c (ran1_get_double): use float constants for comparison + for compatibility with original Numerical Recipes routines + + * ran2.c (ran2_get_double): ditto + +Fri Apr 27 18:47:07 2001 Brian Gough <bjg@network-theory.co.uk> + + * types.c (gsl_rng_types_setup): added void to make prototype + valid in ansi c + +Mon Apr 16 20:03:07 2001 Brian Gough <bjg@network-theory.co.uk> + + * default.c (gsl_rng_env_setup): removed spurious argument to + fprintf + +Tue Jan 23 13:24:26 2001 Brian Gough <bjg@network-theory.co.uk> + + * types.c (gsl_rng_types_setup): provide a function that returns a + list of all the generator types + + * default.c (gsl_rng_env_setup): get the list of generators from a + function rather than having a list in the code itself. Display a + list of the valid generators if the user provides an incorrect one. + +Fri Dec 8 20:30:58 2000 Brian Gough <bjg@network-theory.co.uk> + + * ranlxs.c: renamed internal function ranlxs_set_impl to + ranlxs_set + + * ranlxd.c: renamed internal function ranlxd_set_impl to + ranlxd_set + + * ranlux.c: renamed internal function ranlux_set_impl to + ranlux_set + + * random.c: renamed internal function random_get_impl function to + random_get + +Sat Jul 29 14:29:54 2000 Brian Gough <bjg@network-theory.co.uk> + + * test.c (main): updated test value for MT19937 for new seeding + procedure + + * mt.c: The seeding procedure has been updated to match the 10/99 + release of MT19937. + +Wed Mar 8 16:04:34 2000 Brian Gough <bjg@network-theory.co.uk> + + * rng.c (gsl_rng_memcpy): generators must now be of the same type + for a copy from one to the other to work. + +Thu Feb 24 16:41:48 2000 Brian Gough <bjg@network-theory.co.uk> + + * ran3.c (ran3_set): initialize unused zeroth element of state to + zero for consistency. + +Mon Feb 14 13:28:26 2000 Brian Gough <bjg@network-theory.co.uk> + + * made all internal functions static + +Mon Dec 6 16:21:05 1999 Brian Gough <bjg@network-theory.co.uk> + + * test.c (main): rewrote the tests to loop over all the generators + +Wed Aug 11 20:57:10 1999 Brian Gough <bjg@network-theory.co.uk> + + * ranlxd.c, ranlxs.c: added ranlxd and ranlxs, second generation + RANLUX generators from Martin Luescher. + +Mon Mar 1 21:12:28 1999 Brian Gough <bjg@netsci.freeserve.co.uk> + + * test.c (rng_parallel_state_test): added some extra tests to fill + a few holes in the net + + * gsl_rng.h: moved static class information (max, min, etc) out of + the instance data. Originally I avoided this because of the + overhead of the extra indirection (r->type->get vs r->get) for + every get function call, but that turns out to be only about 10% + at worst so it's worth the slight speed cost to make the code + safer. + +Tue Nov 17 17:09:31 1998 Brian Gough <bjg@vvv.lanl.gov> + + * gfsr4.c: added #include <config.h> which was missing + +1998-11-04 <bjg@ancho.lanl.gov> + + * ranf.c: fix portability problems on alpha, by ensuring that + shorts are correctly promoted to longs at the appropriate points + + * rand48.c: fix portability problems by ensuring that shorts are + correctly promoted to longs at the appropriate points + + * rng-dump.c (main): write out file correctly by using chars + instead of unsigned long ints, since these can vary in size on + different architectures + +Wed Oct 28 15:02:22 1998 Brian Gough <bjg@vvv.lanl.gov> + + * rng.c: added #include <string.h> to get prototype for memcpy + +Mon Sep 14 20:53:09 1998 Brian Gough <bjg@vvv.lanl.gov> + + * default.c (gsl_rng_env_setup): added gfsr4 + +1998-09-10 James Theiler <jt@lanl.gov> + + * gfsr4.c: added new random number generator + + * Makefile.am: added gfsr4.c to SOURCES list + + * gsl_rng.h: added gfsr4 + + * test.c: added gfsr4 + + * benchmark.c: added gfsr4 + +Mon Aug 10 22:12:13 1998 Brian Gough <bjg@vvv.lanl.gov> + + * rng-dump.c: program to write out 3 million random numbers, + suitable for testing with DIEHARD. + +Tue Aug 4 19:51:57 1998 Brian Gough <bjg@vvv.lanl.gov> + + * default.c (gsl_rng_env_setup): send default/enviroment output to + stderr + +Mon Aug 3 18:25:52 1998 Brian Gough <bjg@vvv.lanl.gov> + + * mt.c: made constants static since they shouldn't be exported, + added some speed improvements from Cokus' code (not all of them + since they seemed to use more registers than available on the + pentium). + +Thu Jul 9 13:56:20 1998 Brian Gough <bjg@vvv.lanl.gov> + + * slatec.c: renamed cmlib.c to slatec.c + + * transputer.c: renamed tds.c to transputer.c so the name is a bit + more obvious + + * random.c: renamed random0 functions to random8, since obviously + we can't have 0 bytes of state + + * default.c (gsl_rng_env_setup): made gsl_rng_mt19937 the default + generator + +Wed Jul 8 17:06:54 1998 Brian Gough <bjg@vvv.lanl.gov> + + * added random() functions. There are three(!) versions: the + original BSD, linux libc5 (had a typo in the multiplier, but got + installed on millions of machines so is now a defacto standard) + and GNU glibc2 (fixes the typo and has an improved seeding + procedure) + +Sun Jul 5 15:59:29 1998 Brian Gough <bjg@vvv.lanl.gov> + + * rand.c: renamed rand.c to cmlib.c and bsdrand.c to rand.c. + + * ranf.c: added CRAY RANF, 48 bit generator + + * rand48.c: added the standard unix rand48() + + * changed all the routines to allow an additional callback for + returning doubles. Now we can implement numerical recipes with its + non-standard checks on the floating point results and also access + the full state for getting 48-bit doubles out of rand48. + +Sat Jul 4 11:14:49 1998 Brian Gough <bjg@vvv.lanl.gov> + + * ranmar.c: added the RANMAR generator + + * tds.c: added the INMOS Transputer RNG + + * test.c (rng_min_test): added a test for RAND_MIN, to make sure + none of the generators go below it. Statistically the test is not + much good since it's very unlikely that an off-by-one error would + show up unless we ran the test for > 4 billion numbers. However, + the test might detect a gross error like a typo in RAND_MIN or a + degeneracy 0,0,0,... for a multiplicative generator. + + * uni.c: fixed RAND_MAX here too + + * uni32.c: fixed RAND_MAX to m1-1, not m1 (since it's modulo m1 so + m1 can't occur, only m1-1) + +Fri Jul 3 15:55:34 1998 Brian Gough <bjg@vvv.lanl.gov> + + * rng.c (gsl_rng_uniform_gt0_lt1): added a function which returns + numbers in the range (0,1), i.e. excluding 0.0 and 1.0 + + * renamed bad_randu.c to randu.c + + * renamed bad_rand.c to bsdrand.c + +Mon Jun 29 18:11:08 1998 Brian Gough <bjg@vvv.lanl.gov> + + * added implementations of the numerical recipes algorithms ran0, + ran1, ran2, ran3 + +Sun Jun 28 11:51:48 1998 Brian Gough <bjg@vvv.lanl.gov> + + * gsl_rng.h: added gsl_rng_uniform_pos which guarantees positive + numbers, (0,1] + + * added a RAND_MIN entry to the gsl_rng/gsl_rng_type structs + + * gsl_rng.h: renamed gsl_rng_get_uni to gsl_rng_uniform + +Wed Jun 24 12:10:23 1998 Brian Gough <bjg@vvv.lanl.gov> + + * gsl_rng.h: added inline versions of gsl_rng_get and + gsl_rng_get_uni + + * benchmark.c: added a simple benchmark program to measure rng's + per second + + * test.c (N2): reduced the number of tests from 1 million to 100k + to speed things up a bit + + * changed the generic seeding algorithm to s -> (69069*s) & + 0xFFFFFFFF which covers all 32 bits. + +Sun Jun 21 23:24:36 1998 Brian Gough <bjg@vvv.lanl.gov> + + * added the MT19937 and TT880 mersenne prime generators + +Sat Jun 20 13:58:40 1998 Brian Gough <bjg@vvv.lanl.gov> + + * ensured that 32 bit quantities are defined as 'long', as + required by ANSI. On a 16 bit platform 'int' is usually just 16 + bits. + + * ranlux.c: added the RANLUX generator + +Fri Jun 19 11:12:06 1998 Brian Gough <bjg@vvv.lanl.gov> + + * removed the gsl- prefix from generator name strings + +Thu Jun 18 12:17:16 1998 Brian Gough <bjg@vvv.lanl.gov> + + * test.c: added a 10000 iteration check for cmrg + + * got rid of init_state values. It's simpler to generate them + directly from the seed, the cost of creating an rng is not usually + a big deal. + + * rng.c: eliminated the gsl_rng_internal struct since it was not + really necessary + +Wed Jun 17 17:31:27 1998 Brian Gough <bjg@vvv.lanl.gov> + + * minstd.c: added Park and Millers MINSTD generator + +Thu Jun 11 18:08:40 1998 Brian Gough <bjg@vvv.lanl.gov> + + * this will be an alternate, thread-safe interface to the random + number generators. + |