/usr/include/igraph/igraph_epidemics.h is in libigraph0-dev 0.7.1-2.1build2.
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 | /* -*- mode: C -*- */
/*
IGraph library.
Copyright (C) 2014 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
*/
#ifndef IGRAPH_EPIDEMICS_H
#define IGRAPH_EPIDEMICS_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
#include "igraph_datatype.h"
#include "igraph_vector.h"
#include "igraph_vector_ptr.h"
__BEGIN_DECLS
/**
* \struct igraph_sir_t
*
* Data structure to store the results of one simulation
* of the SIR (susceptible-infected-recovered) model on a graph.
*
* It has the following members. They are all (real or integer)
* vectors, and they are of the same length.
*
* \member times A vector, the times of the events are stored here.
* \member no_s An integer vector, the number of susceptibles in
* each time step is stored here.
* \member no_i An integer vector, the number of infected individuals
* at each time step, is stored here.
* \member no_r An integer vector, the number of recovered individuals
* is stored here at each time step.
*/
typedef struct igraph_sir_t {
igraph_vector_t times;
igraph_vector_int_t no_s, no_i, no_r;
} igraph_sir_t;
int igraph_sir_init(igraph_sir_t *sir);
void igraph_sir_destroy(igraph_sir_t *sir);
int igraph_sir(const igraph_t *graph, igraph_real_t beta,
igraph_real_t gamma, igraph_integer_t no_sim,
igraph_vector_ptr_t *result);
__END_DECLS
#endif
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