[Lapackpp-devel] using lapack

[Do bi <mrc...@ya...>]

Dear all,
   Now that I have successfully compiled lapackpp.vcproj in visual studio, please tell me how to use it in a c++ project. What files do I include, which .obj and .lb and .dll files are needed, and how to create s simple matrix and do some basic stuff.
  Regards
  Donald

Christian Stimming <sti...@tu...> wrote:
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General answer to your questions: You need to compile the lapackpp
library (DLL) yourself in order to use it. Obviously you are not very
familiar with the process of compiling a DLL. I can help a little bit,
but I'm neither willing nor able to give you a full-fledged introduction
into how to use a compiler. You might want to consider using a different
tool for completing your homework if you're in a hurry here and if
you're not willing or able to work with your compiler yourself.

Here are quick answers:

Do bi schrieb:
> I am using Microsoft Visual Studio version 2.0.50727

Are you really sure this is the only version number and it is the
version number of your compiler? I know of "Microsoft Visual Studio"
versions 6.x, 7.0.x, 7.1.x and maybe higher (8.x?), but *not* 2.0.x.
Additionally, the "About" box will show you the version number of the
"Microsoft .NET Framework", which is 1.1.x here, but that doesn't matter
for a C++ project. If you are really using MSVC version 2.x, then this
is way too old and lapackpp will not compile with this. You need at
least 6.0.

> 1. Install the .exe setup package( *I did this* )
> but it does not contain any auxiliary libraries BLAS32.DLL and others;

Yes it does. Where did you look for BLAS32.DLL? It installs BLAS32.DLL
into your c:\windows, and BLAS32.LIB into c:\program-files\lapackpp\lib
(or whatever directory prefix you have chosen).

> 2. Unpack the tar.gz package with the source code:
> *do you mean unzipping the lapackpp-2.4.10.tar file?*

http://sourceforge.net/project/showfiles.php?group_id=99696 says there
is exactly one file ending with "tar.gz".

> *What do you mean "with the source code", where is it?

In the directories extracted from that package?

> 3. compile the source code using the provided
> lapackpp.vcproj MSVC project file, which will also
> compile two small test programs. You might have to adapt the
> linker input directories (Project Properties -> Linker -> Input)
> so that the BLAS32.DLL library can be found.
> 
> *I saw the lapackpp.vcproj, but how do I compile the soucecode with it?*

Like, opening it with your MSVC compiler? And clicking Compile -> Build All?

> *When I do "Project Properties -> Linker -> Input" what should i do, add
> a file, which file or directory? *

If you don't know what I mean, then just ignore it. You will encounter
the respective error message early enough.

> 4. After successfully compiling the DLL, you need to copy the
> LAPACKPP.DLL file to whatever location you consider
> appropriate. This can either be your c:\WINNT directory, or the
> working directory of your actual application that should use
> lapackpp.
> 
> *Do you mean copying Lapackpp.ddl or addin it through project->properties*

By "copy the LAPACKPP.DLL file" I indeed mean "copying lapackpp.dll", yes.

Christian
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