http://groups.yahoo.com/group/ublas-dev/ uBLAS development Wed, 24 Aug 2005 13:26:28 GMT Gunter Winkler http://groups.yahoo.com/group/ublas-dev/message/2420 http://groups.yahoo.com/group/ublas-dev/message/2420 Hallo, one of our students looked at the performance of the cholesky decomposition using ublas. The result is quite surprising: $ for i in 100 200 400 800 Fri, 24 Jun 2005 08:22:46 GMT Gunter Winkler http://groups.yahoo.com/group/ublas-dev/message/2419 http://groups.yahoo.com/group/ublas-dev/message/2419 Hallo, matrix_matrix_binary uses restict_traits to identify the type of the iterators. Thus an expression (dense - banded) gives packed_proxy_tag as storage Sun, 22 May 2005 19:41:58 GMT lucaregini http://groups.yahoo.com/group/ublas-dev/message/2418 http://groups.yahoo.com/group/ublas-dev/message/2418 I wonder what is the most efficient way to compute the product J * A * Jt where J is a sparse matrix, A is diagonal and Jt is the transpost of J. In Ublas Thu, 10 Mar 2005 12:12:24 GMT Toon Knapen http://groups.yahoo.com/group/ublas-dev/message/2417 http://groups.yahoo.com/group/ublas-dev/message/2417 In the constructor of matrix_range for instance, the precondition checks are commented out. Now there is no error generated when you create a matrix_range that Thu, 03 Feb 2005 18:45:31 GMT Antonio Martino http://groups.yahoo.com/group/ublas-dev/message/2416 http://groups.yahoo.com/group/ublas-dev/message/2416 The following line does not work (it is from a cholesky routine submitted a long time ago on this list): UBLAS::project(U.row (i))(UBLAS::range (i + 1, size)) Wed, 02 Feb 2005 14:43:08 GMT Toon Knapen http://groups.yahoo.com/group/ublas-dev/message/2415 http://groups.yahoo.com/group/ublas-dev/message/2415 Hi all, I would like to inform you that a new mailinglist has been created that is dedicated to Generic Linear Algebra Software (GLAS). The aim of the glas-ml Wed, 19 Jan 2005 18:28:48 GMT Michael Stevens http://groups.yahoo.com/group/ublas-dev/message/2414 http://groups.yahoo.com/group/ublas-dev/message/2414 Hi Toon, You accidently posted to yahoo groups. It is too easy to do! Michael Wed, 19 Jan 2005 15:10:56 GMT Toon Knapen http://groups.yahoo.com/group/ublas-dev/message/2413 http://groups.yahoo.com/group/ublas-dev/message/2413 Could you provide us with a small example? BTW: use the ublas@... ml instead of the deprecated ml at yahoogroups. Wed, 19 Jan 2005 15:06:09 GMT Toon Knapen http://groups.yahoo.com/group/ublas-dev/message/2412 http://groups.yahoo.com/group/ublas-dev/message/2412 ... You can always get the latest version of the bindings from the boost-sandbox CVS. If you hit trouble, please provide the smallest test-case possible that Tue, 18 Jan 2005 03:20:42 GMT grinningguppi http://groups.yahoo.com/group/ublas-dev/message/2411 http://groups.yahoo.com/group/ublas-dev/message/2411 Hi, I just upgraded my boost install from 1.31 to 1.32 and tried to simply plug the bindings from the sandbox into the 1.32 tree, hoping all would be good. But Mon, 17 Jan 2005 19:14:21 GMT Stefan Tarrant http://groups.yahoo.com/group/ublas-dev/message/2410 http://groups.yahoo.com/group/ublas-dev/message/2410 I use lu_factorize() (the pivoting version) and it still seems to be broken as well. The break seems to be in the project() function. I'm using VC++ 7.1. Sun, 16 Jan 2005 17:25:54 GMT Toon Knapen http://groups.yahoo.com/group/ublas-dev/message/2409 http://groups.yahoo.com/group/ublas-dev/message/2409 ... Could you be more specific. I don't see what is broken actually? I ran the regression tests succesfully and we are using it in other internal projects? Sat, 15 Jan 2005 15:34:48 GMT Michael Stevens http://groups.yahoo.com/group/ublas-dev/message/2408 http://groups.yahoo.com/group/ublas-dev/message/2408 Toon, Karl, This is most relevant to you. To me it look like the CVS HEAD is still broken. Karl's vector_temporary deduction seems only to be half implemented. Tue, 04 Jan 2005 20:56:07 GMT Michael Stevens http://groups.yahoo.com/group/ublas-dev/message/2407 http://groups.yahoo.com/group/ublas-dev/message/2407 Toon, I just noticed the thread was/is actually being sent to the old yahoogroups list. I guess we need to be careful to post to lists.boost.org Michael Tue, 04 Jan 2005 20:22:38 GMT Toon Knapen http://groups.yahoo.com/group/ublas-dev/message/2406 http://groups.yahoo.com/group/ublas-dev/message/2406 ... Karl's patches are already integrated in the HEAD. This is currently thus the different between the uBLAS_pure branch and the CVS HEAD