[Lapackpp-devel] Re: Can't get lapack++ up on my Mac.

[Christian S. <sti...@tu...>]

Hi,

well, I'm glad to hear that this worked. Please ask further questions about 
lapackpp only on the mailing list lapackpp-devel, never only to single 
developers.

Am Mittwoch, 6. April 2005 22:16 schrieb Marc Gianzero:
> Christian,
>
> Don't know if you are interested, but it appears as thought the Mac OS
> X environment is a super platform for developing code using your
> lapack++ code.  I was successful with compiling the source code on my
> Mac OS X (Panther V 10.3.8) by linking the blas and lapack libraries to
> the Apple Developer's framework VectorLib libraries.  The config
> options I chose were:
>
> 	./configure FLIBS="-L/sw/lib -lfrtbegin -lg2c -lSystem"
> --with-blas='-framework vecLib' --with-lapack --with=aqua

Sure, I'll add this to the documentation.

> I think I did this right.  Now all I need to do is test it.  If you are
> willing to work with me, then perhaps you can help me test some code.
> I must confess that I am struggling to find any substantial
> documentation for lapack++ v2.20.  I am not sure how what function
> calls are available and what the syntax is to call them.

"make srcdoc", if doxygen is installed. A quite recent copy is on 
http://lapackpp.sourceforge.net . As explained there, no further current 
documentation exists.

> If you wouldn't mind, I need help to solve an eigenvector problem of
> the form generalized, symmetrical, real.  Could you show me how I could
> do this with an example piece of code?

I think someone else on this mailing list has recently done this... Jack? 
Anyone?

Christian

>
> Thanks -
>
> Marc
>
> On Apr 6, 2005, at 2:06 AM, Christian Stimming wrote:
> > Dear Marc,
> >
> > thanks for asking about lapack++.
> >
> > Marc Gianzero schrieb:
> >> I noticed you were deeply involved in working on LaPack++.  I hope
> >> you wouldn't mind answering my question if you can.
> >
> > Unfortunately I have never used OS X. Maybe someone on the
> > lapackpp-devel mailing list can help here?
> >
> >> I wanted to install Lapack++ on my Macintosh (OS X, Panther 10.3.8).
> >> I found the source on soureforge.net and downloaded and compiled
> >> using the suggested "FLIBS="-L/sw/lib -lfrtbegin -lg2c -lSystem"
> >> option for the .configure file.  However, it now asks for BLAS and
> >> LAPACK libraries to link to in the statement:
> >> configure: error: Blas/Lapack was not found.
> >> *** This means Lapack++ and matrix support cannot be compiled.
> >> *** This makes this library unusable. Please get blas and lapack
> >> *** installed. If you do have these installed, use the options
> >> *** --with-blas=<libname> or --with-lapack=<libname> and/or set
> >> *** the env variable LDFLAGS to include the appropriate linker
> >> *** flags.
> >> But I thought BLAS and Lapack were part of the Vector framework
> >> system, under Apple developer.
> >> Any ideas how to get lapack++ up on OS X correctly?  If not, could
> >> you point me to someone/place that can?
> >
> > Well, you obviously have to get the LAPACK (without ++) library from
> > somewhere. Usually it is clearly noted when lapack belongs to some
> > other package, so I suppose it doesn't belong to that "Vector
> > framework". You can also try to install LAPACK yourself
> > http://www.netlib.org/lapack/
> >
> > Regards,
> >
> > Christian