On 10/2/24 08:17, Praveen C wrote:
The documentation says
https://dealii.org/current/doxygen/deal.II/classPETScWrappers_1_1TimeStepper.html
VectorType must provide a petsc_vector() function but the LA distributed
vector does not seem to have this, right ?
In C++20 we actually check which vector classes are allowed:
https://github.com/dealii/dealii/blob/25495718f4bb6aa45a8f6c8cc4f2aedbe8d62231/include/deal.II/lac/petsc_ts.h#L326-L338
In short, you really can only use PETSc vectors (not even block vectors).
You could try the SUNDIALS wrappers. They are more flexible and allow
you to use any kind of vector type.
Best
W.
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