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2011-01-24 Brian Gough <bjg@network-theory.co.uk>
* gnewton.c (gnewton_iterate): check for singular jacobian
* newton.c (newton_iterate): check for singular jacobian
2009-07-09 Brian Gough <bjg@network-theory.co.uk>
* fsolver.c (gsl_multiroot_fsolver_free): handle NULL argument in
free
* fdfsolver.c (gsl_multiroot_fdfsolver_free): handle NULL argument
in free
2008-07-03 Brian Gough <bjg@hp2.network-theory.co.uk>
* Makefile.am (INCLUDES): use top_srcdir instead of top_builddir
2007-11-09 Brian Gough <bjg@network-theory.co.uk>
* convergence.c (gsl_multiroot_test_delta): accept dxi = 0
2007-08-27 Brian Gough <bjg@network-theory.co.uk>
* fdjac.c (gsl_multiroot_fdjacobian): detect null columns (dx too
small)
(gsl_multiroot_fdjacobian): avoid memory leak for x1,f1
2007-01-26 Brian Gough <bjg@network-theory.co.uk>
* fsolver.c (gsl_multiroot_fsolver_set): made vector argument x
const
* fdfsolver.c (gsl_multiroot_fdfsolver_set): made vector argument
x const
Tue Nov 12 22:26:40 2002 Brian Gough <bjg@network-theory.co.uk>
* newton.c (newton_alloc): return error code, not null
* hybridj.c (hybridj_alloc): return error code, not null
* hybrid.c (hybrid_alloc): return error code, not null
* gnewton.c (gnewton_alloc): return error code, not null
* dnewton.c (dnewton_alloc): return error code, not null
* broyden.c (broyden_alloc): return error code, not null
Wed May 1 21:40:55 2002 Brian Gough <bjg@network-theory.co.uk>
* fdfsolver.c (gsl_multiroot_fdfsolver_dx): new function to return
dx
(gsl_multiroot_fdfsolver_f): new function to return f
* fsolver.c (gsl_multiroot_fsolver_dx): new function to return dx
(gsl_multiroot_fsolver_f): new function to return f
Sat Jan 26 17:11:34 2002 Brian Gough <bjg@network-theory.co.uk>
* hybrid.c (set): fix broken 'if' statement
Thu Jan 10 19:26:55 2002 Brian Gough <bjg@network-theory.co.uk>
* hybrid.c dnewton.c: return status values for user-function
(Theis Peter Hansen)
Tue Jun 19 23:40:18 2001 Brian Gough <bjg@network-theory.co.uk>
* hybrid.c: removed workspace for linalg calls, no longer needed
* hybridj.c: removed workspace for linalg calls, no longer needed
Wed Jun 6 13:31:18 2001 Brian Gough <bjg@network-theory.co.uk>
* hybridj.c: updated to use new QR calling convention (now passes
workspace)
* hybrid.c: updated to use new QR calling convention (now passes
workspace)
Mon Apr 23 12:55:39 2001 Brian Gough <bjg@network-theory.co.uk>
* Makefile.am (test_LDADD): added cblas lib
Mon Apr 16 20:18:08 2001 Brian Gough <bjg@network-theory.co.uk>
* dnewton.c (dnewton_iterate): removed unnecessary status variable
Sun Feb 18 11:26:45 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.
Thu Nov 30 21:48:39 2000 Brian Gough <bjg@network-theory.co.uk>
* newton.c (newton_iterate): return GSL_EBADFUNC if error in
function evaluation
* hybridj.c (iterate): return GSL_EBADFUNC if error in
function evaluation
* hybrid.c (iterate): return GSL_EBADFUNC if error in function
evaluation
* gnewton.c (gnewton_iterate): return GSL_EBADFUNC if error in
function evaluation
* fdjac.c (gsl_multiroot_fdjacobian): return GSL_EBADFUNC if error
in function evaluation
* dnewton.c (dnewton_iterate): return GSL_EBADFUNC if error in
function evaluation
* broyden.c (broyden_iterate): return GSL_EBADFUNC if error in
function evaluation
Sun Aug 27 13:43:13 2000 Brian Gough <bjg@network-theory.co.uk>
* hybridj.c hybrid.c dogleg.c: begin comments with a capital
letter to improve readability
Sat Aug 26 16:12:19 2000 Brian Gough <bjg@network-theory.co.uk>
* hybridj.c hybrid.c: renamed rdiag to tau, since it plays that
role here and is not the diagonal of R (see qr.c documentation for
more details)
Wed Feb 23 15:36:39 2000 Brian Gough <bjg@network-theory.co.uk>
* changed gsl_vector_copy to gsl_vector_cpy
Fri Feb 18 18:45:02 2000 Brian Gough <bjg@network-theory.co.uk>
* fixed various .c files to use permutation
Wed Feb 16 21:13:24 2000 Brian Gough <bjg@network-theory.co.uk>
* fixed Makefiles that include gsl_linalg.h to add
-I$(srcdir)/../permutation to their include path
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