Mercurial > octave

annotate liboctave/lo-ieee.h @ 4074:a67f76924703

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
[project @ 2002-09-27 21:06:02 by jwe]
author jwe
date Fri, 27 Sep 2002 21:06:02 +0000
parents 3cc39e3b8fa5
children 9a2102864eb0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1967
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
1 /*
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
2
2847
8b262e771614 [project @ 1997-03-27 16:18:26 by jwe]
jwe
parents: 2522
diff changeset
3 Copyright (C) 1996, 1997 John W. Eaton
1967
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
4
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
5 This file is part of Octave.
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
6
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
7 Octave is free software; you can redistribute it and/or modify it
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
8 under the terms of the GNU General Public License as published by the
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
9 Free Software Foundation; either version 2, or (at your option) any
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
10 later version.
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
11
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
12 Octave is distributed in the hope that it will be useful, but WITHOUT
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
15 for more details.
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
16
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
17 You should have received a copy of the GNU General Public License
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
18 along with Octave; see the file COPYING. If not, write to the Free
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
20
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
21 */
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
22
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
23 #if !defined (octave_liboctave_ieee_h)
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
24 #define octave_liboctave_ieee_h 1
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
25
4072
3cc39e3b8fa5 [project @ 2002-09-27 17:54:53 by jwe]
jwe
parents: 4025
diff changeset
26 #ifdef __cplusplus
3cc39e3b8fa5 [project @ 2002-09-27 17:54:53 by jwe]
jwe
parents: 4025
diff changeset
27 extern "C" {
3cc39e3b8fa5 [project @ 2002-09-27 17:54:53 by jwe]
jwe
parents: 4025
diff changeset
28 #endif
3cc39e3b8fa5 [project @ 2002-09-27 17:54:53 by jwe]
jwe
parents: 4025
diff changeset
29
1967
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
30 // Octave's idea of infinity.
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
31 extern double octave_Inf;
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
32
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
33 // Octave's idea of not a number.
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
34 extern double octave_NaN;
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
35
4025
cfb762dc9259 [project @ 2002-08-09 06:32:15 by jwe]
jwe
parents: 2847
diff changeset
36 // Octave's idea of a missing value.
cfb762dc9259 [project @ 2002-08-09 06:32:15 by jwe]
jwe
parents: 2847
diff changeset
37 extern double octave_NA;
cfb762dc9259 [project @ 2002-08-09 06:32:15 by jwe]
jwe
parents: 2847
diff changeset
38
4074
a67f76924703 [project @ 2002-09-27 21:06:02 by jwe]
jwe
parents: 4072
diff changeset
39 extern void octave_ieee_init (void);
1967
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
40
4074
a67f76924703 [project @ 2002-09-27 21:06:02 by jwe]
jwe
parents: 4072
diff changeset
41 extern int lo_ieee_is_NA (double);
a67f76924703 [project @ 2002-09-27 21:06:02 by jwe]
jwe
parents: 4072
diff changeset
42 extern int lo_ieee_is_NaN_or_NA (double);
4025
cfb762dc9259 [project @ 2002-08-09 06:32:15 by jwe]
jwe
parents: 2847
diff changeset
43
2522
4f095783ee43 [project @ 1996-11-15 20:00:59 by jwe]
jwe
parents: 1993
diff changeset
44 #if defined (SCO)
4074
a67f76924703 [project @ 2002-09-27 21:06:02 by jwe]
jwe
parents: 4072
diff changeset
45 extern int isnan (double);
a67f76924703 [project @ 2002-09-27 21:06:02 by jwe]
jwe
parents: 4072
diff changeset
46 extern int isinf (double);
4072
3cc39e3b8fa5 [project @ 2002-09-27 17:54:53 by jwe]
jwe
parents: 4025
diff changeset
47 #endif
3cc39e3b8fa5 [project @ 2002-09-27 17:54:53 by jwe]
jwe
parents: 4025
diff changeset
48
4074
a67f76924703 [project @ 2002-09-27 21:06:02 by jwe]
jwe
parents: 4072
diff changeset
49 extern int lo_ieee_isnan (double x);
a67f76924703 [project @ 2002-09-27 21:06:02 by jwe]
jwe
parents: 4072
diff changeset
50 extern int lo_ieee_finite (double x);
a67f76924703 [project @ 2002-09-27 21:06:02 by jwe]
jwe
parents: 4072
diff changeset
51 extern int lo_ieee_isinf (double x);
4072
3cc39e3b8fa5 [project @ 2002-09-27 17:54:53 by jwe]
jwe
parents: 4025
diff changeset
52
3cc39e3b8fa5 [project @ 2002-09-27 17:54:53 by jwe]
jwe
parents: 4025
diff changeset
53 #ifdef __cplusplus
3cc39e3b8fa5 [project @ 2002-09-27 17:54:53 by jwe]
jwe
parents: 4025
diff changeset
54 }
2522
4f095783ee43 [project @ 1996-11-15 20:00:59 by jwe]
jwe
parents: 1993
diff changeset
55 #endif
4f095783ee43 [project @ 1996-11-15 20:00:59 by jwe]
jwe
parents: 1993
diff changeset
56
1967
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
57 #endif
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
58
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
59 /*
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
60 ;;; Local Variables: ***
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
61 ;;; mode: C++ ***
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
62 ;;; End: ***
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
jwe
parents:
diff changeset
63 */