This file is indexed.

/usr/include/octave-4.2.2/octave/mach-info.h is in liboctave-dev 4.2.2-1ubuntu1.

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
/*

Copyright (C) 1996-2017 John W. Eaton

This file is part of Octave.

Octave 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 3 of the License, or (at your
option) any later version.

Octave 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 Octave; see the file COPYING.  If not, see
<http://www.gnu.org/licenses/>.

*/

#if ! defined (octave_mach_info_h)
#define octave_mach_info_h 1

#include "octave-config.h"

#include <string>

namespace octave
{
  class
  OCTAVE_API
  mach_info
  {
  protected:

    mach_info (void);

  public:

    enum float_format
    {
      flt_fmt_unknown,
      flt_fmt_ieee_little_endian,
      flt_fmt_ieee_big_endian,
    };

    static bool instance_ok (void);

    static float_format native_float_format (void);

    static bool words_big_endian (void);

    static bool words_little_endian (void);

    static float_format string_to_float_format (const std::string&);

    static std::string float_format_as_string (float_format);

  private:

    static mach_info *instance;

    static void cleanup_instance (void) { delete instance; instance = 0; }

    // The floating point format for the current machine.
    mutable float_format native_float_fmt;

    // TRUE if the byte order on this system is big endian.
    mutable bool big_chief;

    // No copying!

    mach_info (const mach_info&);

    mach_info& operator = (const mach_info&);
  };
}

#if defined (OCTAVE_USE_DEPRECATED_FUNCTIONS)

OCTAVE_DEPRECATED ("use 'octave::mach_info' instead")
typedef octave::mach_info oct_mach_info;

#endif

#endif