/usr/include/igraph/igraph_eigen.h is in libigraph0-dev 0.6.5-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 | /* -*- mode: C -*- */
/*
IGraph library.
Copyright (C) 2010-2012 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
*/
#include "igraph_arpack.h"
#include "igraph_lapack.h"
#include "igraph_sparsemat.h"
#ifndef IGRAPH_EIGEN_H
#define IGRAPH_EIGEN_H
#undef __BEGIN_DECLS
#undef __END_DECLS
#ifdef __cplusplus
# define __BEGIN_DECLS extern "C" {
# define __END_DECLS }
#else
# define __BEGIN_DECLS /* empty */
# define __END_DECLS /* empty */
#endif
__BEGIN_DECLS
typedef enum { IGRAPH_EIGEN_AUTO,
IGRAPH_EIGEN_LAPACK,
IGRAPH_EIGEN_ARPACK,
IGRAPH_EIGEN_COMP_AUTO,
IGRAPH_EIGEN_COMP_LAPACK,
IGRAPH_EIGEN_COMP_ARPACK } igraph_eigen_algorithm_t;
typedef enum { IGRAPH_EIGEN_LM,
IGRAPH_EIGEN_SM,
IGRAPH_EIGEN_LA,
IGRAPH_EIGEN_SA,
IGRAPH_EIGEN_BE,
IGRAPH_EIGEN_LR,
IGRAPH_EIGEN_SR,
IGRAPH_EIGEN_LI,
IGRAPH_EIGEN_SI,
IGRAPH_EIGEN_ALL,
IGRAPH_EIGEN_INTERVAL,
IGRAPH_EIGEN_SELECT } igraph_eigen_which_position_t;
typedef struct igraph_eigen_which_t {
igraph_eigen_which_position_t pos;
int howmany;
int il, iu;
igraph_real_t vl, vu;
int vestimate;
igraph_lapack_dgeevx_balance_t balance;
} igraph_eigen_which_t;
int igraph_eigen_matrix_symmetric(const igraph_matrix_t *A,
const igraph_sparsemat_t *sA,
igraph_arpack_function_t *fun, int n,
void *extra,
igraph_eigen_algorithm_t algorithm,
const igraph_eigen_which_t *which,
igraph_arpack_options_t *options,
igraph_arpack_storage_t *storage,
igraph_vector_t *values,
igraph_matrix_t *vectors);
int igraph_eigen_matrix(const igraph_matrix_t *A,
const igraph_sparsemat_t *sA,
igraph_arpack_function_t *fun, int n,
void *extra,
igraph_eigen_algorithm_t algorithm,
const igraph_eigen_which_t *which,
igraph_arpack_options_t *options,
igraph_arpack_storage_t *storage,
igraph_vector_complex_t *values,
igraph_matrix_complex_t *vectors);
int igraph_eigen_adjacency(const igraph_t *graph,
igraph_eigen_algorithm_t algorithm,
const igraph_eigen_which_t *which,
igraph_arpack_options_t *options,
igraph_arpack_storage_t *storage,
igraph_vector_t *values,
igraph_matrix_t *vectors,
igraph_vector_complex_t *cmplxvalues,
igraph_matrix_complex_t *cmplxvectors);
int igraph_eigen_laplacian(const igraph_t *graph,
igraph_eigen_algorithm_t algorithm,
const igraph_eigen_which_t *which,
igraph_arpack_options_t *options,
igraph_arpack_storage_t *storage,
igraph_vector_t *values,
igraph_matrix_t *vectors,
igraph_vector_complex_t *cmplxvalues,
igraph_matrix_complex_t *cmplxvectors);
__END_DECLS
#endif
|