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2004-07-23 Christian Stimming <sti...@tu...>
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/** \mainpage Lapack++ v@VERSION@ API Documentation
Homepage: http://www.sourceforge.net/projects/lapackpp
Download page: http://sourceforge.net/project/showfiles.php?group_id=99696
LAPACK++ is a library for high performance linear algebra computations.
This version includes support for solving linear systems using LU, Cholesky,
QR matrix factorizations, and symmetric eigenvalue problems.
\section sect_quick Quick Start
The most important classes in this library are
- \ref LaGenMatDouble for real-valued matrices and
- \ref LaGenMatComplex for complex-valued matrices, and
- \ref LaVectorDouble and
- \ref LaVectorComplex for the corresponding vectors, respectively.
Once you have created objects of that type, you will want to use
matrix-vector operations from the BLAS library. These can be found in
the files blas1++.h , blas2++.h , and blas3++.h . And finally
functions for solving equation systems can be found in laslv.h .
\section sect_plat Platforms
LAPACK++ v1.9 has been successfully compiled on the following platforms:
- Linux/Unix gcc3.x
- Linux/Unix gcc2.95.x
- Windows 9x/NT/2000 under MinGW and gcc3.x (see file README.W32)
If you have compiled LAPACK++ on another platform successfully, then
the maintainer would be glad to hear about that.
\section sect_req Requirements
This package requires the packages "blas", "lapack" (without the
"++"), and a Fortran compiler. On most Linuxes these are available as
pre-compiled binaries under the name "blas" and "lapack". For SuSE,
the Fortran compiler is available as package "gcc-g77". For SuSE9.1,
the "lapack" package (for whatever reason) is not contained in the CDs
anymore, but you can still download it from
ftp://ftp.suse.com/pub/suse/i386/supplementary/9.1/
\section sect_compile Compile and Install
If you retrieved this package from CVS, you first need to run
make -f Makefile.dist
and continue with compilation after that.
For compilation, run the following commands:
\verbatim
./configure --prefix=/your/install/path
make
make install
\endverbatim
Type ./configure --help to see more information.
\section sect_doc Documentation
More and more documentation is being included in this auto-generated
documentation, see e.g. \ref LaGenMatComplex, \ref Blas_Add_Mult, \ref
Blas_Mat_Vec_Mult, \ref Blas_Mat_Mat_Mult, \ref LaLinearSolveIP, or
\ref LaSVD_IP. For (quite outdated) documentation see the LAPACK++
User's Manual and Class Reference Manual, all available from netlib or
on http://math.nist.gov/lapack++/ .
\section sect_LAPACKPP LAPACK++ v1.1 vs. v1.9 and higher
The original LAPACK++ (up to v1.1a) has been written by R. Pozo et
al. at the University of Tennessee, Knoxvilee, TN., and Oak Ridge
National Laboratory, Oak Ridge, TN, and is available on
http://math.nist.gov/lapack++/
However, they abandoned LAPACK in the year 2000 and stated: "Lapack++
is no longer actively supported. The successor to this project is that
Template Numerical Toolkit (TNT), see http://math.nist.gov/tnt for
details." Unfortunately, the project TNT never really took off.
Therefore this fork from the original LAPACK++ has been started. There
are a whole number of changes now in here. Most notably, this local
copy has complex matrices enabled again by adding a custom copy of
stdc++'s complex type (see include/lacomplex.h and include/lacomplex).
Along these lines, wrapper functions for more and more LAPACK and BLAS
routines have been added. Also, this includes fixes in various wrong
default arguments.
\section sect_features Features
LAPACK++ v. 1.9 supports various matrix classes for vectors, non-symmetric
matrices, symmetric positive definite (SPD) matrices, symmetric matrices,
banded, triangular, and tridiagonal matrices; however, Version 1.1 does
not include all of the capabilities of original f77 LAPACK. Emphasis is
given to routines for solving linear systems consisting of non-symmetric
matrices, symmetric positive definite systems, and solving linear least-
square systems.
2004-01-14, Christian Stimming <sti...@tu...>
*/
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