/usr/include/igraph/igraph_types.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 | /* -*- mode: C -*- */
/*
IGraph library.
Copyright (C) 2003-2012 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
*/
#ifndef REST_TYPES_H
#define REST_TYPES_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
#ifndef _GNU_SOURCE
# define _GNU_SOURCE 1
#endif
#include "igraph_error.h"
#include <stddef.h>
#include <math.h>
#include <stdio.h>
typedef int igraph_integer_t;
typedef double igraph_real_t;
typedef int igraph_bool_t;
/* Replacements for printf that print doubles in the same way on all platforms
* (even for NaN and infinities) */
int igraph_real_printf(igraph_real_t val);
int igraph_real_fprintf(FILE *file, igraph_real_t val);
int igraph_real_snprintf(char* str, size_t size, igraph_real_t val);
/* Replacements for printf that print doubles in the same way on all platforms
* (even for NaN and infinities) with the largest possible precision */
int igraph_real_printf_precise(igraph_real_t val);
int igraph_real_fprintf_precise(FILE *file, igraph_real_t val);
int igraph_real_snprintf_precise(char* str, size_t size, igraph_real_t val);
/* igraph_i_fdiv is needed here instead of in igraph_math.h because
* some constants use it */
double igraph_i_fdiv(const double a, const double b);
#if defined(INFINITY)
# define IGRAPH_INFINITY INFINITY
# define IGRAPH_POSINFINITY INFINITY
# define IGRAPH_NEGINFINITY (-INFINITY)
#else
# define IGRAPH_INFINITY (igraph_i_fdiv(1.0, 0.0))
# define IGRAPH_POSINFINITY (igraph_i_fdiv(1.0, 0.0))
# define IGRAPH_NEGINFINITY (igraph_i_fdiv(-1.0, 0.0))
#endif
int igraph_finite(double x);
#define IGRAPH_FINITE(x) igraph_finite(x)
int igraph_is_nan(double x);
int igraph_is_inf(double x);
int igraph_is_posinf(double x);
int igraph_is_neginf(double x);
#if defined(NAN)
# define IGRAPH_NAN NAN
#elif defined(INFINITY)
# define IGRAPH_NAN (INFINITY/INFINITY)
#else
# define IGRAPH_NAN (igraph_i_fdiv(0.0, 0.0))
#endif
__END_DECLS
#endif
|