<div class="gmail_quote">On Mon, May 28, 2012 at 10:25 AM, Hui Zhang <span dir="ltr"><<a href="mailto:mike.hui.zhang@hotmail.com" target="_blank">mike.hui.zhang@hotmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div>But I'm not *changing* the operator. It is PCSetUp_Composite that call PCSetOperators on sub pc</div><div>a second time-- he does not know that the sub pc has been set up before.</div></blockquote></div><br><div>
Why do you call PCSetUp the first time?</div><div><br></div><div>We don't currently have a mechanism to automatically know whether the operator has changed since the last setup, that's what the flag argument is for.</div>
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