> < ^ Date: Wed, 20 Aug 2003 11:32:55 -0700
< ^ From: Xu Miao <xm@u.washington.edu >
> < ^ Subject: Re: Can't use cryst in Mac

Dear Dr. Fanz and Forum:
Thank so much for your reply.
Actually I have solved the problems.
For the CARAT, it caused me some time to make it through with gcc3.1.
Some function has the same name as the one in the system library. And
some variables
didn't defined in some functions, while the library needs them to be
defined in advance or outside. Anyway it works for me now.
After the CARAT installed, the cryst package works perfectly now.
By the way, when I tried to use cryst under xgap, I found the
wyckoffgraph didn't work. I checked the source code, found when xgap
initializing gap and automatically load the packages in, xgap hadn't
loaded yet. So cryst will forbidden the wyckoffgraph functions.
However, xgap package will be loaded after the gap is working. So I
have to take the cryst off the automatically load list and manually
load after the xgap finishing initialization. Hope this is useful.
Cryst is a really good tool and thanks again for your help!

On Wednesday, August 20, 2003, at 02:00 AM, Franz Gaehler wrote:

Dear Xu Miao, dear Forum,

But I can't use cryst package, for example
When I use SpaceGroupSettingsIT function, it always reply with it
is not defined yet.

Strange. I can't test on a Mac, but this should just work. This
function is implemented in plain GAP language. Do other functions
from Cryst work?

BTW, I can't compile the CARAT package either.
in the autgrp, the types.h redefined the round function, which has
already been defined in math.h, and gcc 3.1 didn't let it go.

Regarding the compilation of CARAT, I have to defer you to the
developers of CARAT at carat@momo.math.rwth-aachen.de. From what
I have heared they have indeed some problems with gcc 3. You might
want to try gcc 2.95 instead. Is this also on the Mac? I don't know
whether this will work - CARAT was designed for Unix.

Bye the way - this and the next week I'll be able to read and answer
my mail only very sporadically.

Best regards,

Franz Gähler
Dr. Franz Gähler             Phone  +49 711 / 685 52 60
ITAP, Universität Stuttgart  Fax    +49 711 / 685 52 71
Pfaffenwaldring 57           Email   
70550 Stuttgart, Germany      

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