On Mar 20, 2014, at 8:04 AM, Raeth . Peter <[email protected]> wrote:
>
> Am trying to build the code in a PETsc tutorial:
>
> http://www.mcs.anl.gov/petsc/petsc-dev/src/ksp/ksp/examples/tutorials/ex7.c.html
The examples in this directory, denoted by petsc-dev, work with the
development version of PETSc. Sometimes they will be different than the
examples in the release of PETSc
http://www.mcs.anl.gov/petsc/petsc-current/src/ksp/ksp/examples/tutorials/ex7.c.html
denoted by petsc-currant.
They shouldn’t be mixed together. So either use the PETSc release and the
examples in it or the development version of PETSc and the examples in it.
Barry
>
>
> Got past the compile error regarding KSPSetOperators by adding the fourth
> parameter:
>
> ierr = KSPSetOperators(ksp,A,A,SAME_PRECONDITIONER);CHKERRQ(ierr);
>
>
> Added the include file the man page said was needed:
>
> #include <petscsys.h>
>
>
> Using the following build command:
>
> gcc gmres_ex7.c -o gmres_ex7 -I $PET_HOME/pkgs/valgrind-3.6.1/include -I
> $PET_HOME/.unsupported/petsc-3.4.4/Installed/include -I
> $PET_HOME/.unsupported/mpich-3.0.3/Installed/include -L
> $PET_HOME/.unsupported/petsc-3.4.4/Installed/lib -l petsc
>
>
> Getting the following link error:
>
> undefined reference to `PetscMalloc1'
>
>
> Many thanks for any insights the group has to offer.
>
>
> Best,
>
> Peter.
>
>
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