[GiNaC-devel] Help

[Neofytos Mylona]

Dear Chris,

Thank you very much for your email and response. That was very kind.. I
didnt actually expect to get a respond. Thank God I have managed to fix the
problems with the help of a friend so all is well now. I have also made
progress with my project as ginac is soo powerful with regard to
manipulating matrices.
Once again thank you for your help.
Regards
Neofytos.


On 6/14/06, Chris Dams <C.Dams at science.ru.nl> wrote:
>
>
> Dear Neofytos,
>
> On Sat, 10 Jun 2006, Neofytos Mylona wrote:
>
> > I have installed the CLN library in the following directory:
> >
> > /homes/nm305/MSc_project/code/call1/cln
> >
> > and ginac in
> >
> > /homes/nm305/MSc_project/code/call1/ginac
>
>
> Yes, this is all very possible although I would not recommend it. The unix
> directory structure has generally header files in an include-directory,
> executables in a bin-directory, libraries in a lib-directory. A problem
> with the approach that you seem to be taking is that the directories you
> name will all separately get include/lib/bin-directories. If you decide to
> stay with this approach you will have to make sure that the installed
> files will be found. In particular, it will be quite usefull to add the
> directories /homes/...whatever.../cln/bin and
> /homes/...whatever.../ginac/bin to your path. That way the executable
> cln-config and ginac-config can be found. Personally, I make the prefix of
> packages that I install into my home directory always the home-directory
> itself.  In that case I simply get subdirs bin, lib, include and so on in
> my homedir and I only once need to make sure that they get found.
>
> > I have my project code in
> >
> > /homes/nm305/MSc_project/code
> >
> > inside my code i add
> >
> > #include /homes/nm305/MSc_project/code/call1/ginac/include/ginac/ginac.h
>
> Firstly, this needs quotes (") around the filename. Secondly, this is not
> such a good idea. What if you move your code to someplace else? Then you
> will have to change all those includes. To solve this you could, inside
> your makefile, make use of ginac-config. Try typing "ginac-config
> --cppflags" at the prompt and see what happens. The flags that you see
> need to be used when compiling. Then you should also use #include
> <ginac/ginac.h>. There also is the --libs option. If you have this, the
> only thing you should need is setting your LD_LIBRARY_PATH to include the
> places where the cln and ginac libraries are installed. Below I note that
> you alreadly did this for the cln library but you will also need to add
> the dir of the ginac library.
>
> > setenv LD_LIBRARY_PATH /homes/nm305/MSc_Project/code/call1/cln/lib
>
> Good luck,
> Chris
>
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