Matthew Knepley <[email protected]> writes: >> without -snes_mf AT ALL but with -snes_fd 0 I get RHS called 3 times [1] >> > > I need to see the output of -snes_view for these cases. Its possible that we > have a bug related to the argument.
This case looks correct to me. It's the same as passing no options, so the analytic Jacobian gets used. That said, our options scheme is lame to use separate options when only one can possibly be used. We should have -snes_jacobian <analytic,mf,mf_operator,fd,fd_color> or similar.
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