<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">There is no rationale, other than that this is an IN argument and hence is unchanged. Of course, declaring it as const achieves nothing new. I think it was just a rote application of that rule, to a routine that is rarely used.<div class=""><br class=""></div><div class="">Bill</div><div class=""><br class=""><div class="">
<div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;">William Gropp<br class="">Acting Director and Chief Scientist, NCSA<br class="">Director, Parallel Computing Institute<br class="">Thomas M. Siebel Chair in Computer Science<br class="">University of Illinois Urbana-Champaign</div><br class="Apple-interchange-newline"></div><br class="Apple-interchange-newline">
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<br class=""><div><blockquote type="cite" class=""><div class="">On Apr 6, 2017, at 9:42 AM, Jim Dinan <<a href="mailto:james.dinan@gmail.com" class="">james.dinan@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><meta http-equiv="Content-Type" content="text/html; charset=utf-8" class=""><div dir="ltr" class="">Hi All,<div class=""><br class=""></div><div class="">I apologize if this is a dumb question -- what's the rationale for the const qualifier on the level argument to MPI_Pcontrol?</div><div class=""><br class=""></div><div class="">int MPI_Pcontrol(const int level, ...)</div><div class=""><br class=""></div><div class="">Cheers,</div><div class=""> ~Jim.</div></div>
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