PCFactorSetLevels does not work?!

Barry Smith bsmith at mcs.anl.gov
Wed Oct 31 12:28:26 CDT 2007

   Are you calling the PCFactorSetLevels() on the prec where the
ICC is being used. For example if your * below means 
-sub_pc_factor_levels then you need to use
PCBJacobiGetSubKSP() then get the PC out of that that subksp
and call the PCFactorSetLevels() on that


On Wed, 31 Oct 2007, Zhifeng Sheng wrote:

> Dear all
> I have a weird problem.
> In my programme, I try to use ICC(K), while I set the factor level with
> PCFactorSetLevels(prec, 4);
> However this does not work.
> Then I run the executable with the option *-pc_factor_levels 4, it works... 
> Can someone tell me why this is happenning?
> Thank you
> Best regards
> Zhifeng Sheng
> *

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