File: arpack.at

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# Check ARPACK based functins

# Test suite for the IGraph library.
# Copyright (C) 2005-2012  Gabor Csardi <csardi.gabor@gmail.com>
# 334 Harvard street, Cambridge, MA 02139 USA
# 
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc.,  51 Franklin Street, Fifth Floor, Boston, MA 
# 02110-1301 USA

AT_BANNER([[BLAS, LAPACK and ARPACK based functions]])

AT_SETUP([Basic BLAS functions (igraph_blas_*):])
AT_KEYWORDS([blas BLAS matrix vector dgemv igraph_blas_dgemv])
AT_COMPILE_CHECK([simple/blas.c],
                 [simple/blas.out])
AT_CLEANUP

AT_SETUP([Dense symmetric eigenvalues and eigenvectors (igraph_lapack_dsyevr):])
AT_KEYWORDS([lapack LAPACK dsyevr eigenvalue eigenvector dense])
AT_COMPILE_CHECK([simple/igraph_lapack_dsyevr.c])
AT_CLEANUP

AT_SETUP([Dense non-symmetric eigenvalues and eigenvectors (igraph_lapack_dgeev):])
AT_KEYWORDS([lapack LAPACK dgeev eigenvalue eigenvector dense])
AT_COMPILE_CHECK([simple/igraph_lapack_dgeev.c])
AT_CLEANUP

AT_SETUP([Dense non-symmetric eigenvalues and eigenvectors (igraph_lapack_dgeevx):])
AT_KEYWORDS([lapack LAPACK dgeevx eigenvalue eigenvector dense])
AT_COMPILE_CHECK([simple/igraph_lapack_dgeevx.c])
AT_CLEANUP

AT_SETUP([Solving linear systems with LU factorization (igraph_lapack_dgesv):])
AT_KEYWORDS([lapack LAPACK dgesv solve LU factorization])
AT_COMPILE_CHECK([simple/igraph_lapack_dgesv.c],
		 [simple/igraph_lapack_dgesv.out])
AT_CLEANUP

AT_SETUP([Upper Hessenberg transformation (igraph_lapack_dgehrd):])
AT_KEYWORDS([lapack dgehrd Hessenberg])
AT_COMPILE_CHECK([simple/igraph_lapack_dgehrd.c],
		 [simple/igraph_lapack_dgehrd.out])
AT_CLEANUP

AT_SETUP([Eigenvector centrality (igraph_eigenvector_centrality):])
AT_KEYWORDS([eigenvector centrality arpack ARPACK])
AT_COMPILE_CHECK([simple/eigenvector_centrality.c],
                 [simple/eigenvector_centrality.out])
AT_CLEANUP

AT_SETUP([Non-symmetric ARPACK solver (igraph_arpack_rnsolve):])
AT_KEYWORDS([ARPACK eigenvalue eigenvector eigen eigenproblem 
             non-symmetric])
AT_COMPILE_CHECK([simple/igraph_arpack_rnsolve.c],
		 [simple/igraph_arpack_rnsolve.out])
AT_CLEANUP