On Tue, Jan 8, 2013 at 2:25 PM, Petar Petrovic <ppetrovic573 at gmail.com>wrote:
> Thanks, but is there any way to check if the package is already installed? > My problem is that I run the PETSc installation someone already set up and > I don't have the access to change it. I have tried running ./configure > --help in the directory PETSc is installed, but it just reports the error > because I don't have the access permition. > Look at the (a) the end of configure.log or (b) $PETSC_DIR/$PETSC_ARCH/include/petscconf.h > Also, sorry I didn't understand, are the directives in the code enough or > do I have to run my mpiexec command with additional options? > You don't need command line flags. > > > On Tue, Jan 8, 2013 at 1:35 PM, Matthew Knepley <knepley at gmail.com> wrote: > >> On Tue, Jan 8, 2013 at 12:33 PM, Petar Petrovic <ppetrovic573 at >> gmail.com>wrote: >> >>> Thank you very much. >>> Can you tell me how to set the package that is used for >>> MatCholeskyFactor? >>> I need it to run for a sparse matrix so I have tried using: >>> >>> #ifdef PETSC_HAVE_CHOLMOD >>> ... >>> #endif >>> >>> but the code inside doesn't run. Does this mean that the package is not >>> installed or am I supposed to do something else, use some command line >>> options or something? Sorry these are very basic questions, but I am new to >>> PETSc and I cannot seem to find examples for this. >>> >> >> You need to activate 3rd party packages during configure, e.g. >> --download-umfpack. >> >> http://www.mcs.anl.gov/petsc/documentation/installation.html >> >> Matt >> >> >>> On Tue, Jan 8, 2013 at 12:24 PM, Matthew Knepley <knepley at >>> gmail.com>wrote: >>> >>>> http://www.mcs.anl.gov/petsc/documentation/linearsolvertable.html >>>> >>>> Matt >>>> >>>> >>>> On Tue, Jan 8, 2013 at 11:21 AM, Petar Petrovic <ppetrovic573 at gmail.com >>>> > wrote: >>>> >>>>> Hello, >>>>> Can you please tell me for which type of matrices can I run Cholesky >>>>> factorization (MatCholeskyFactor) ? Can it be applied on sparse matrices, >>>>> e.g. MATAIJ ? >>>>> Many thanks >>>>> >>>> >>>> >>>> >>>> -- >>>> What most experimenters take for granted before they begin their >>>> experiments is infinitely more interesting than any results to which their >>>> experiments lead. >>>> -- Norbert Wiener >>>> >>> >>> >> >> >> -- >> What most experimenters take for granted before they begin their >> experiments is infinitely more interesting than any results to which their >> experiments lead. >> -- Norbert Wiener >> > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20130108/c032fd51/attachment-0001.html>
