[petsc-dev] "pure" subset of operators

Matthew Knepley knepley at gmail.com
Wed Jun 24 05:30:36 CDT 2015

On Wed, Jun 24, 2015 at 2:48 AM, Marco Zocca <zocca.marco at gmail.com> wrote:

> Hello,
> is there an index of the PETSc operations (e.g. mathematical on Vec's
> and Mat's) that do NOT overwrite the operands?
> I understand in-place operations are more efficient, but they make it
> harder to reason about the program's operation.

We do not make a separate list of these.



> Thank you in advance

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
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