On 2009-01-16 19:25+0100 Arjen Markus wrote: > >> >> All that is going to take time, and we are only two days away from our >> release on Sunday. Arjen, if you can quickly figure out the best >> implementation and get a commit done in the next few hours (or by early >> Saturday (your time zone) at the latest), then that would give the rest of >> us a chance to test your changes before the Sunday release. Otherwise I >> think you should wait to deal with this issue post-release, and simply >> state >> in README.release that the Tcl examples give identical results to the C >> examples for Tcl-8.5, but there is a precision issue we hope to deal with >> before the next release for Tcl-8.4. >> > > Hi Alan, > > I built PLplot with Tcl 8.4.12 but to my astonishment I am not > getting _any_ differences anymore - examples 3, 11, 15, 16, 20 all > give perfect matches. > > The easiest way to see if tcl_precision will make a difference on > other platforms is to add the following line in the file pltcl.c, > just before the return of AppInit(): > > Tcl_SetVar( interp, "tcl_precision", "17", TCL_GLOBAL_ONLY); > > this way you set the value from the start and only need to change > a single file. (Alternatively you would have to add "set tcl_precision 17" > to all files x01, x02, ...) > > What a timing for a Heisenbug or one of its cousins!
Exactly! Because you cannot reproduce the precision issue with Tcl-8.4, let's wait to deal with this until post-release. Alan __________________________ Alan W. Irwin Astronomical research affiliation with Department of Physics and Astronomy, University of Victoria (astrowww.phys.uvic.ca). Programming affiliations with the FreeEOS equation-of-state implementation for stellar interiors (freeeos.sf.net); PLplot scientific plotting software package (plplot.org); the libLASi project (unifont.org/lasi); the Loads of Linux Links project (loll.sf.net); and the Linux Brochure Project (lbproject.sf.net). __________________________ Linux-powered Science __________________________ ------------------------------------------------------------------------------ This SF.net email is sponsored by: SourcForge Community SourceForge wants to tell your story. http://p.sf.net/sfu/sf-spreadtheword _______________________________________________ Plplot-devel mailing list Plplot-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/plplot-devel
