<html><head><style>body{font-family:Helvetica,Arial;font-size:13px}</style></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;">You mean dropping out all the code for orderingequals? I’m a bit leary of that, yes. Particularly since there’s some things like optionality of bounding boxes which are not tightly controlled and could easily lead to false results.</div><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;"><br></div><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;">P.</div> <div id="bloop_sign_1416245466034973184" class="bloop_sign">
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-- <br>
Paul Ramsey<br>
http://cleverelephant.ca<div>http://postgis.net
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</div> <br><p style="color:#000;">On November 17, 2014 at 9:29:32 AM, Sandro Santilli (<a href="mailto:strk@keybit.net">strk@keybit.net</a>) wrote:</p> <blockquote type="cite" class="clean_bq"><span><div><div></div><div>On Mon, Nov 17, 2014 at 09:03:49AM -0800, Paul Ramsey wrote:<br>> There’s only one pad hole, it's for polygons with an odd number of rings. I don’t know why it wouldn’t be consistently zero’ed out, since the pad is set with <br>> <br>> memset(loc, 0, sizeof(uint32_t));<br><br>The failure I saw was with point, some test under sfcgal.<br>But maybe it was my own implementation failing.<br>Shall I re-try and push the change as soon as it succeeds here ?<br><br>Would you like such a dropping-code change ?<br>In git terms:<br> 1 file changed, 5 insertions(+), 26 deletions(-)<br><br>--strk;<br><br>> -- <br>> Paul Ramsey<br>> http://cleverelephant.ca<br>> http://postgis.net<br>> <br>> On November 17, 2014 at 7:12:49 AM, Sandro Santilli (strk@keybit.net) wrote:<br>> <br>> I was reading the implementation of ST_OrderingEquals and wondered <br>> why we're not using memcmp on the serialized memory. <br>> <br>> Saint testsuite revealed it can sometime fail. <br>> I guess the reason for that is some "holes" in the serialized format <br>> left for alignment purpose, does it sound correct ? <br>> <br>> Could we ensure serializers fill any hole to speedup identity checking ? <br>> <br>> --strk; <br>> <br>> () Free GIS & Flash consultant/developer <br>> /\ http://strk.keybit.net/services.html <br><br>> _______________________________________________<br>> postgis-devel mailing list<br>> postgis-devel@lists.osgeo.org<br>> http://lists.osgeo.org/cgi-bin/mailman/listinfo/postgis-devel<br><br><br>-- <br><br> () Free GIS & Flash consultant/developer<br> /\ http://strk.keybit.net/services.html<br>_______________________________________________<br>postgis-devel mailing list<br>postgis-devel@lists.osgeo.org<br>http://lists.osgeo.org/cgi-bin/mailman/listinfo/postgis-devel</div></div></span></blockquote></body></html>