[petsc-dev] Proposed changes to TS API

[Lisandro Dalcin]

On Fri, 11 May 2018 at 18:20, Smith, Barry F. <bsmith at mcs.anl.gov> wrote:

>     So you are proposing keeping TSSetIFunction and TSSetIJacobian and
ADDING a new API TSSetComputeSplitJacobians() and it that is not provided
calling TSComputeIJacobian() twice with different shifts (which is
definitely not efficient and is what Hong does also).


Yes, that's basically the proposal. User could even provide both IJacobian
and SplitJacobians, and TS can then make the best use of these callbacks
depending on what is more efficient.


-- 
Lisandro Dalcin
============
Research Scientist
Computer, Electrical and Mathematical Sciences & Engineering (CEMSE)
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