On 12 September 2011 13:42, Anders Logg <[email protected]> wrote: > Why 20? Any perhaps this should be made into a global parameter value? >
That's just a left over debugging line. I've removed it now. Garth > -- > Anders > > > ---------- Forwarded message ---------- > From: [email protected] > To: Anders Logg <[email protected]> > Date: Mon, 12 Sep 2011 12:07:16 -0000 > Subject: [Branch ~dolfin-core/dolfin/main] Rev 6178: Fix problem with pugixml > reducing precision of doubles. > ------------------------------------------------------------ > revno: 6178 > committer: Garth N. Wells <[email protected]> > branch nick: dolfin-all > timestamp: Mon 2011-09-12 12:52:42 +0100 > message: > Fix problem with pugixml reducing precision of doubles. > > Solution is to cast double to a string before passing to pugixml, thereby > avoiding a cast inside pugixml. > modified: > dolfin/io/XMLArray.h > > > -- > lp:dolfin > https://code.launchpad.net/~dolfin-core/dolfin/main > > Your team DOLFIN Core Team is subscribed to branch lp:dolfin. > To unsubscribe from this branch go to > https://code.launchpad.net/~dolfin-core/dolfin/main/+edit-subscription > > === modified file 'dolfin/io/XMLArray.h' > --- dolfin/io/XMLArray.h 2011-07-02 14:50:50 +0000 > +++ dolfin/io/XMLArray.h 2011-09-12 11:52:42 +0000 > @@ -23,6 +23,7 @@ > > #include <ostream> > #include <string> > +#include <boost/lexical_cast.hpp> > #include "dolfin/common/Array.h" > #include "dolfin/log/log.h" > #include "pugixml.hpp" > @@ -90,12 +91,16 @@ > array_node.append_attribute("type") = type.c_str(); > array_node.append_attribute("size") = size; > > + std::cout << std::setprecision(20); > + > // Add data > for (uint i = 0; i < size; ++i) > { > pugi::xml_node element_node = array_node.append_child("element"); > element_node.append_attribute("index") = i; > - element_node.append_attribute("value") = x[i]; > + // NOTE: Casting to a string to avoid loss of precision when > + // pugixml performs double-to-char conversion > + element_node.append_attribute("value") = > boost::lexical_cast<std::string>(x[i]).c_str(); > } > } > > //----------------------------------------------------------------------------- > > > _______________________________________________ > Mailing list: https://launchpad.net/~dolfin > Post to : [email protected] > Unsubscribe : https://launchpad.net/~dolfin > More help : https://help.launchpad.net/ListHelp > > _______________________________________________ Mailing list: https://launchpad.net/~dolfin Post to : [email protected] Unsubscribe : https://launchpad.net/~dolfin More help : https://help.launchpad.net/ListHelp
