[petsc-dev] Note about CPR preconditioner in PCFIELDSPLIT man page?

[Jed Brown]

My take is that someone looking for CPR is more likely to end up on the
PCFIELDSPLIT manual page than the PCGALERKIN page.  The solver you have
configured in your mail is not the CPR we have been asked about here.
See Barry's message and example code below.

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From: Barry Smith <bsmith at mcs.anl.gov>
Subject: Re: [EXTERNAL] CPR preconditioning
Date: Fri, 27 Jan 2017 17:50:39 -0600
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