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Diffstat (limited to 'gsl-1.9/poly/ChangeLog')
| -rw-r--r-- | gsl-1.9/poly/ChangeLog | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/gsl-1.9/poly/ChangeLog b/gsl-1.9/poly/ChangeLog new file mode 100644 index 0000000..87b227d --- /dev/null +++ b/gsl-1.9/poly/ChangeLog @@ -0,0 +1,72 @@ +2005-07-03 Brian Gough <bjg@network-theory.co.uk> + + * test.c (main): added tests for linear case + + * zsolve_quadratic.c (gsl_poly_complex_solve_quadratic): handle + the linear case + + * solve_quadratic.c (gsl_poly_solve_quadratic): handle the linear + case + +2005-05-19 Brian Gough <bjg@network-theory.co.uk> + + * Makefile.am (noinst_HEADERS): removed norm.c (unused) + +Sun Dec 2 22:02:31 2001 Brian Gough <bjg@network-theory.co.uk> + + * dd.c: added divided differences code from Dan, Ho-Jin + +Wed Oct 31 18:42:10 2001 Brian Gough <bjg@network-theory.co.uk> + + * qr.c (qr_companion): increased maximum number of iterations from + 30 to 60 + +Thu Jun 28 11:24:51 2001 Brian Gough <bjg@network-theory.co.uk> + + * test.c (main): fixed a subtle bug in the test where the array + for the complex results was too small by a factor of two + +Mon Apr 30 12:36:08 2001 Brian Gough <bjg@network-theory.co.uk> + + * eval.c (gsl_poly_eval): added eval function from specfunc + +Tue Aug 24 12:02:47 1999 Brian Gough <bjg@network-theory.co.uk> + + * zsolve.c: added general solver using QR method + +1999-08-22 Mark Galassi <rosalia@lanl.gov> + + * Makefile.am (libgslpoly_a_SOURCES): for now commented out + zsolve.c, since it has some strange errors that make it look like + it was not committed. + +Tue Aug 17 14:23:47 1999 Brian Gough <bjg@network-theory.co.uk> + + * zsolve_cubic.c (gsl_poly_complex_solve_cubic): compute the + discriminant without division so that it is exact for exact inputs + + * solve_cubic.c (gsl_poly_solve_cubic): compute the discriminant + without division so that it is exact for exact inputs + + * changed the way roots are counted to make all the routines + consistent. Conincident roots are no longer a special case, now + they are made up of separate roots which happen to have the same + values. + + * zsolve_quadratic.c (gsl_poly_complex_solve_quadratic): in the + case of a multiple root set all the returned values r0 = r1 = + root, rather than just setting one and leaving the others + potentially unset. + + * solve_quadratic.c (gsl_poly_solve_quadratic): ditto + +Tue Aug 3 19:36:26 1999 Brian Gough <bjg@network-theory.co.uk> + + * gsl_poly.h: changed all functions to take separate variables for + roots (z0, z1, z2) of variable-length arrays + +Sat Feb 20 12:13:46 1999 Brian Gough <bjg@netsci.freeserve.co.uk> + + * split out polynomial root finding algorithms into a new poly/ + directory + |