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Diffstat (limited to 'gsl-1.9/roots/ChangeLog')
| -rw-r--r-- | gsl-1.9/roots/ChangeLog | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/gsl-1.9/roots/ChangeLog b/gsl-1.9/roots/ChangeLog new file mode 100644 index 0000000..aa00c09 --- /dev/null +++ b/gsl-1.9/roots/ChangeLog @@ -0,0 +1,159 @@ +2007-01-04 Brian Gough <bjg@network-theory.co.uk> + + * convergence.c (gsl_root_test_delta): added termination + alternative condition x1==x0 + +2005-03-02 Brian Gough <bjg@network-theory.co.uk> + + * steffenson.c (steffenson_iterate): improved wording of error messages + + * secant.c (secant_iterate): improved wording of error messages + + * roots.h (SAFE_FUNC_CALL): improved wording of error message + + * newton.c (newton_iterate): improved wording of error messages + + * utility.c: removed, not needed any more + +Sun Jul 15 17:53:48 2001 Brian Gough <bjg@network-theory.co.uk> + + * removed interval type + +Sun May 6 14:26:59 2001 Brian Gough <bjg@network-theory.co.uk> + + * test.c: removed tests for macros, which are now in sys/. + +Mon Apr 16 20:17:04 2001 Brian Gough <bjg@network-theory.co.uk> + + * fsolver.c (gsl_root_fsolver_alloc): removed unnecessary status + variable + +Sun Feb 18 15:35:25 2001 Brian Gough <bjg@network-theory.co.uk> + + * fdfsolver.c fsolver.c: changed so that the solver _alloc + function no longer calls _set, the user must do that separately. + +Wed May 17 11:37:15 2000 Brian Gough <bjg@network-theory.co.uk> + + * test_macros.c (test_macros): use GSL_POSINF and GSL_NAN macros + instead of 1/0 and 0/0 + +Mon Feb 14 13:05:30 2000 Brian Gough <bjg@network-theory.co.uk> + + * removed definition of isinf macro (no longer needed) + + * made all internal functions static + +Wed Nov 3 11:59:35 1999 Brian Gough <bjg@network-theory.co.uk> + + * fixed test failures + + * test.c (main): added a call to gsl_ieee_env_setup for testing + + * test_roots.c: increased the maximum number of iterations to 150 + so that the tests still work on the difficult cases. + + * steffenson.c (steffenson_iterate): add a check to avoid division + by zero + +Sat Oct 16 19:43:14 1999 Brian Gough <bjg@network-theory.co.uk> + + * removed GSL_ROOT_EPSILON_BUFFER, not needed anymore + +Wed Jul 21 18:47:01 1999 Brian Gough <bjg@network-theory.co.uk> + + * gsl_roots.h, convergence.c: changed order of relative and + absolute errors to make them the same as quadpack routines + (abs,rel) + +Wed Jul 21 16:30:56 1999 Brian Gough <bjg@network-theory.co.uk> + + * brent.c (brent_iterate): fixed bug where bounding interval could + be incorrect and not include root. + +Mon Mar 1 15:38:06 1999 Brian Gough <bjg@netsci.freeserve.co.uk> + + * moved static class data out of gsl_root_fsolver and + gsl_root_fdfsolver and into gsl_root_fsolver_type and + gsl_root_fdfsolver_type + + +Mon Mar 1 15:38:06 1999 Brian Gough <bjg@netsci.freeserve.co.uk> + + * renamed f_solver to fsolver and fdf_solver to fdfsolver, since + these look neater + +Sun Feb 28 21:11:21 1999 Brian Gough <bjg@netsci.freeserve.co.uk> + + * rewrote the root finding functions in an iterative framework + +Tue Nov 17 16:47:09 1998 Brian Gough <bjg@vvv.lanl.gov> + + * secant.c, falsepos.c newton.c: added gsl_math.h to included + headers to import GSL_MAX and GSL_MIN + +Mon Nov 9 21:21:45 1998 Brian Gough <bjg@vvv.lanl.gov> + + * roots.h: got rid of local MAX(a,b) and MIN(a,b) definitions + since they are now in config.h + +Wed Nov 4 16:08:32 1998 Brian Gough <bjg@vvv.lanl.gov> + + * test.c (test_brent): allow the brent tests to run for more + iterations since they take longer on the pathological cases. + + * brent.c (gsl_root_brent): on each iteration keep track of + current best estimates of the root and the bounds so that they are + returned to the user if the function exits prematurely. + + clean up the brent algorithm based on remarks in the original + paper + +Mon Oct 26 16:31:21 1998 Brian Gough <bjg@vvv.lanl.gov> + + * in all routines with upper and lower bounds if a root is found + exactly then the bracket is collapsed onto the root instead of + being untouched. + +Thu Oct 15 13:59:30 1998 Brian Gough <bjg@vvv.lanl.gov> + + * bisection.c, falsepos.c, secant.c: reordered the tests so that + the minimum number of function evaluations are performed when + there is an early exit due to one of the supplied limits lying on + a root. + +Fri Aug 21 14:48:13 1998 Brian Gough <bjg@vvv.lanl.gov> + + * test.c: clean up of tests to get rid of warnings + +Thu Aug 20 10:21:15 1998 Brian Gough <bjg@vvv.lanl.gov> + + * roots.h (_WITHIN_TOL): added extra parens in macro definition, + for safety + + * falsepos.c (gsl_root_falsepos): removed test for absolute + equality and replaced by a flag indicating which variables + changed. + + * test.c (main): simplified the tests, removed command line + arguments (can use the debugger to select which ones to run) + +Mon Jun 15 22:22:54 1998 Brian Gough <bjg@vvv.lanl.gov> + + * started to eliminate void * arguments for function types (they + are not a good idea and can easily be specified) + +1998-02-09 Mark Galassi <rosalia@cygnus.com> + + * test.c (main): added an extra argument so that the $(srcdir) can + be passed along when "make check" is run in a separate build + directory. + + * test-macros, test-secant, test-bisection, test-newton, + test-falsepos: modified these to use build and source directories + explicitly. Now "make check" in a separate build directory works. + +1998-02-02 Mark Galassi <rosalia@cygnus.com> + + * Makefile.am (TESTS): added $(srcdir) before these scripts, since + the TESTS target picks things from the build directory. |