mirror of https://github.com/CGAL/cgal
89 lines
2.7 KiB
C
89 lines
2.7 KiB
C
// Copyright (c) 2004 Utrecht University (The Netherlands),
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// ETH Zurich (Switzerland), Freie Universitaet Berlin (Germany),
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// INRIA Sophia-Antipolis (France), Martin-Luther-University Halle-Wittenberg
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// (Germany), Max-Planck-Institute Saarbruecken (Germany), RISC Linz (Austria),
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// and Tel-Aviv University (Israel). All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; version 2.1 of the License.
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// See the file LICENSE.LGPL distributed with CGAL.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $URL$
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// $Id$
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//
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// Author(s) : Omer Meshar, Laurent Saboret
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// ---------------------------------------------------------------------
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// A short test program to evaluate a machine architecture.
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// This program is used by cgal_configure.
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// The following documentation will be pasted in the generated configfile.
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// ---------------------------------------------------------------------
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// Test if TAUCS is available
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// Second step "TAUCS": find TAUCS main header and library
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#include <iostream>
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#include <stdlib.h>
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#include <stdio.h>
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#define TAUCS_CORE_DOUBLE
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// Include TAUCS main header taucs.h
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#ifndef CGAL_INCLUDED_TAUCS_H
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#define CGAL_INCLUDED_TAUCS_H
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// In GCC 3.x, <complex.h> includes <complex> and
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// complains if we include <complex.h> within "extern C {}"
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#if defined(__GNUC__)
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#undef __DEPRECATED
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#include <complex.h>
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#endif
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// TAUCS is a C library
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extern "C" {
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#include <taucs.h>
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}
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// Avoid error with std::min() and std::max()
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#undef min
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#undef max
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#endif
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int main(int argc, char* argv[])
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{
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// Create a TAUCS matrix to link with TAUCS main library
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int m = 4,n = 4,nnz = 4, i;
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taucs_ccs_matrix* pMatrix = taucs_ccs_create(m, n, nnz, TAUCS_DOUBLE);
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pMatrix->colptr[0] = 0;
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pMatrix->colptr[1] = 4;
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for ( i = 0; i < 4; i++ )
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{
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pMatrix->rowind[i] = i;
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pMatrix->taucs_values[i] = i;
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}
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taucs_dccs_free(pMatrix);
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// Call a method needing TAUCS external libraries
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int* perm;
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int* invperm;
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taucs_ccs_order(pMatrix,
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&perm,
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&invperm,
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"metis");
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// TAUCS provides no version number :-(
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// Version 1 is obsolete, thus we assume version 2 (latest is 2.2 on 03/2006)
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std::cout << "version=2" << std::endl;
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return 0;
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}
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