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0f2d19dd JB |
1 | /* classes: h_files */ |
2 | ||
0527e687 DH |
3 | #ifndef SCM_BOOLEAN_H |
4 | #define SCM_BOOLEAN_H | |
5 | ||
2b829bbb | 6 | /* Copyright (C) 1995,1996,2000, 2006 Free Software Foundation, Inc. |
0527e687 | 7 | * |
73be1d9e MV |
8 | * This library is free software; you can redistribute it and/or |
9 | * modify it under the terms of the GNU Lesser General Public | |
10 | * License as published by the Free Software Foundation; either | |
11 | * version 2.1 of the License, or (at your option) any later version. | |
0527e687 | 12 | * |
73be1d9e | 13 | * This library is distributed in the hope that it will be useful, |
0f2d19dd | 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
73be1d9e MV |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
16 | * Lesser General Public License for more details. | |
0527e687 | 17 | * |
73be1d9e MV |
18 | * You should have received a copy of the GNU Lesser General Public |
19 | * License along with this library; if not, write to the Free Software | |
92205699 | 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
73be1d9e | 21 | */ |
0527e687 | 22 | |
0f2d19dd | 23 | \f |
0527e687 | 24 | |
b4309c3c | 25 | #include "libguile/__scm.h" |
0f2d19dd JB |
26 | |
27 | \f | |
28 | ||
29 | /* Boolean Values | |
30 | * | |
31 | */ | |
0f2d19dd | 32 | |
0f2d19dd | 33 | |
3a684cc6 MV |
34 | #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F) |
35 | #define scm_is_true(x) !scm_is_false (x) | |
36 | ||
ede310d8 MV |
37 | SCM_API int scm_is_bool (SCM x); |
38 | #define scm_from_bool(x) ((x) ? SCM_BOOL_T : SCM_BOOL_F) | |
3a684cc6 MV |
39 | SCM_API int scm_to_bool (SCM x); |
40 | ||
0f2d19dd JB |
41 | \f |
42 | ||
e4e93373 MV |
43 | SCM_API SCM scm_not (SCM x); |
44 | SCM_API SCM scm_boolean_p (SCM obj); | |
3a684cc6 | 45 | |
e4e93373 | 46 | SCM_API void scm_init_boolean (void); |
0f2d19dd | 47 | |
0527e687 | 48 | #endif /* SCM_BOOLEAN_H */ |
89e00824 ML |
49 | |
50 | /* | |
51 | Local Variables: | |
52 | c-file-style: "gnu" | |
53 | End: | |
54 | */ |