Check out src/apps/meshdiff.C then, and we'll see how far away from "if it'll work" it is.
Probably should have committed this to svn five years ago. At least you guys used a pre-existing utility; I know of other people who wasted their valuable time writing a less robust implementation into scripts from scratch... Let me know if there's anything about the usage that seems cryptic. Trying to look at it as if from outside eyes, the only thing that comes to mind is that I should probably be testing for element continuity and giving the H1/H2 results more accurate descriptions on DG/C0 spaces. --- Roy On Mon, 21 Mar 2011, Cody Permann wrote: > I like that idea if it'll work - we only use basic functionality ourselves. > > On Mar 21, 2011, at 7:25 PM, Roy Stogner wrote: > >> >> I like the idea of having this functionality distributed with the >> library, but is it something we need a third-party utility for? My >> personal "meshdiff" app is one source file, 65 lines. I've only >> used it with Hilbert norms and xda/xdr files, but I have a hard time >> believing that extending it further would require trigupling the code. >> I can't even believe triguple is a real word! >> --- >> Roy >> >> On Mon, 21 Mar 2011, Cody Permann wrote: >> >>> I'll add just a bit more info - it's C++ and around 30 source files or so. >>> It appears to build cleanly with libMesh's configuration. >>> >>> On Mar 21, 2011, at 6:26 PM, John Peterson wrote: >>> >>>> Hi, >>>> >>>> Since exodus-formatted files have come into more common use in the >>>> library, we were thinking it might be a good idea to distribute the >>>> exodiff utility program in libmesh's contrib directory. >>>> >>>> It's very useful for testing purposes especially, to see by exactly >>>> how much two solutions differ and where. >>>> >>>> It also appears to be fairly easy to build, and the license is not >>>> very restrictive (see below). The source code is available on >>>> sourceforge. >>>> >>>> If I don't hear any restrictions, I'll add it to contrib this week. >>>> >>>> -- >>>> John >>>> >>>> >>>> >>>> Copyright(C) 2008 Sandia Corporation. Under the terms of Contract >>>> DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains >>>> certain rights in this software >>>> >>>> Redistribution and use in source and binary forms, with or without >>>> modification, are permitted provided that the following conditions are >>>> met: >>>> >>>> * Redistributions of source code must retain the above copyright >>>> notice, this list of conditions and the following disclaimer. >>>> >>>> * Redistributions in binary form must reproduce the above >>>> copyright notice, this list of conditions and the following >>>> disclaimer in the documentation and/or other materials provided >>>> with the distribution. >>>> >>>> * Neither the name of Sandia Corporation nor the names of its >>>> contributors may be used to endorse or promote products derived >>>> from this software without specific prior written permission. >>>> >>>> THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS >>>> "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT >>>> LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR >>>> A PARTICULAR PURPOSE ARE DISCLAIMED. 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