From: <jc...@fe...> - 2002-10-15 19:18:37
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On Tuesday 15 October 2002 16:22, Alan W. Irwin wrote: | On Tue, 15 Oct 2002, [iso-8859-1] Jo=E3o Cardoso wrote: | > On Tuesday 15 October 2002 02:23, Alan W. Irwin wrote: | > | Other non-visual | > | differences between the examples also show up for ifshade =3D=3D 5. | > | > What differences? | | They show up with the diff command on a psc files written with tcl, | C, and python front ends, but (unlike the ifshade=3D=3D1 results where | you see a blue edge for Python and C and no blue edge for tcl) I | cannot spot anything visually. Hi, I don't' want to interrupt you now, but I might forget the subject. Tcl store values as strings, and there is some loss of precision with=20 this process. This issue has already been discussed in this list, but=20 unfortunately the mailing list archiver at sf.net does not have a=20 search facility to found the thread. As a matter of fact, x08.tcl already has a numeric problem, that I have=20 "fixed" by adding a small constant -- it is documented in the code. | Once all the recently introduced memory management problems shown by | valgrind are fixed, Well, I have identified the problem, and "hacked" plot3d.c in order to=20 correct it -- it is an index problem. But the problem is not really=20 solved, it is only not apparent visually :( Joao |