Commit | Line | Data |
---|---|---|
0f2d19dd JB |
1 | /* classes: h_files */ |
2 | ||
3 | #ifndef UNIFH | |
4 | #define UNIFH | |
950cc72b | 5 | /* Copyright (C) 1995,1996,1997,1999, 2000 Free Software Foundation, Inc. |
0f2d19dd JB |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2, or (at your option) | |
10 | * any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this software; see the file COPYING. If not, write to | |
82892bed JB |
19 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
20 | * Boston, MA 02111-1307 USA | |
0f2d19dd JB |
21 | * |
22 | * As a special exception, the Free Software Foundation gives permission | |
23 | * for additional uses of the text contained in its release of GUILE. | |
24 | * | |
25 | * The exception is that, if you link the GUILE library with other files | |
26 | * to produce an executable, this does not by itself cause the | |
27 | * resulting executable to be covered by the GNU General Public License. | |
28 | * Your use of that executable is in no way restricted on account of | |
29 | * linking the GUILE library code into it. | |
30 | * | |
31 | * This exception does not however invalidate any other reasons why | |
32 | * the executable file might be covered by the GNU General Public License. | |
33 | * | |
34 | * This exception applies only to the code released by the | |
35 | * Free Software Foundation under the name GUILE. If you copy | |
36 | * code from other Free Software Foundation releases into a copy of | |
37 | * GUILE, as the General Public License permits, the exception does | |
38 | * not apply to the code that you add in this way. To avoid misleading | |
39 | * anyone as to the status of such modified files, you must delete | |
40 | * this exception notice from them. | |
41 | * | |
42 | * If you write modifications of your own for GUILE, it is your choice | |
43 | * whether to permit this exception to apply to your modifications. | |
82892bed | 44 | * If you do not wish that, delete this exception notice. */ |
d3a6bc94 GB |
45 | |
46 | /* Software engineering face-lift by Greg J. Badros, 11-Dec-1999, | |
47 | gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */ | |
0f2d19dd JB |
48 | \f |
49 | ||
b4309c3c | 50 | #include "libguile/__scm.h" |
0f2d19dd JB |
51 | |
52 | \f | |
1d7bdb25 GH |
53 | |
54 | /* | |
55 | an array SCM is a non-immediate pointing to a heap cell with: | |
56 | ||
57 | CAR: bits 0-14 hold the dimension (0 -- 32767) | |
58 | bit 15 is the SCM_ARRAY_CONTIGUOUS flag | |
59 | bits 16-31 hold the smob type id: scm_tc16_array | |
60 | CDR: pointer to a malloced block containing an scm_array structure | |
61 | followed by an scm_array_dim structure for each dimension. | |
62 | */ | |
63 | ||
0f2d19dd JB |
64 | typedef struct scm_array |
65 | { | |
1d7bdb25 | 66 | SCM v; /* the contents of the array, e.g., a vector or uniform vector. */ |
0f2d19dd JB |
67 | scm_sizet base; |
68 | } scm_array; | |
69 | ||
70 | typedef struct scm_array_dim | |
71 | { | |
72 | long lbnd; | |
73 | long ubnd; | |
74 | long inc; | |
75 | } scm_array_dim; | |
76 | ||
77 | ||
78 | extern long scm_tc16_array; | |
c209c88e | 79 | #define SCM_ARRAYP(a) (SCM_NIMP(a) && (scm_tc16_array == SCM_TYP16(a))) |
f1267706 | 80 | #define SCM_ARRAY_NDIM(x) ((scm_sizet)(SCM_UNPACK_CAR(x)>>17)) |
0f2d19dd | 81 | #define SCM_ARRAY_CONTIGUOUS 0x10000 |
f1267706 | 82 | #define SCM_ARRAY_CONTP(x) (SCM_ARRAY_CONTIGUOUS & (int)(SCM_UNPACK_CAR(x))) |
0f2d19dd | 83 | |
1d7bdb25 GH |
84 | #define SCM_ARRAY_V(a) (((scm_array *)SCM_CDR(a))->v) |
85 | #define SCM_ARRAY_BASE(a) (((scm_array *)SCM_CDR(a))->base) | |
86 | #define SCM_ARRAY_DIMS(a) ((scm_array_dim *)(SCM_CHARS(a)+sizeof(scm_array))) | |
87 | ||
88 | /* apparently it's possible to have more than SCM_LENGTH_MAX elements | |
89 | in an array: if the length is SCM_LENGTH_MAX then the SCM_VELTS | |
90 | block begins with the true length (a long int). I wonder if it | |
91 | works. */ | |
92 | ||
93 | #define SCM_HUGE_LENGTH(x)\ | |
94 | (SCM_LENGTH_MAX==SCM_LENGTH(x) ? *((long *)SCM_VELTS(x)) : SCM_LENGTH(x)) | |
0f2d19dd JB |
95 | |
96 | \f | |
0f2d19dd | 97 | |
afe5177e | 98 | extern scm_sizet scm_uniform_element_size (SCM obj); |
1d7bdb25 GH |
99 | extern SCM scm_make_uve (long k, SCM prot); |
100 | extern SCM scm_uniform_vector_length (SCM v); | |
101 | extern SCM scm_array_p (SCM v, SCM prot); | |
102 | extern SCM scm_array_rank (SCM ra); | |
103 | extern SCM scm_array_dimensions (SCM ra); | |
104 | extern long scm_aind (SCM ra, SCM args, const char *what); | |
105 | extern SCM scm_make_ra (int ndim); | |
106 | extern SCM scm_shap2ra (SCM args, const char *what); | |
107 | extern SCM scm_dimensions_to_uniform_array (SCM dims, SCM prot, SCM fill); | |
108 | extern void scm_ra_set_contp (SCM ra); | |
109 | extern SCM scm_make_shared_array (SCM oldra, SCM mapfunc, SCM dims); | |
110 | extern SCM scm_transpose_array (SCM args); | |
111 | extern SCM scm_enclose_array (SCM axes); | |
112 | extern SCM scm_array_in_bounds_p (SCM args); | |
113 | extern SCM scm_uniform_vector_ref (SCM v, SCM args); | |
114 | extern SCM scm_cvref (SCM v, scm_sizet pos, SCM last); | |
115 | extern SCM scm_array_set_x (SCM v, SCM obj, SCM args); | |
116 | extern SCM scm_array_contents (SCM ra, SCM strict); | |
117 | extern SCM scm_ra2contig (SCM ra, int copy); | |
118 | extern SCM scm_uniform_array_read_x (SCM ra, SCM port_or_fd, SCM start, SCM end); | |
119 | extern SCM scm_uniform_array_write (SCM v, SCM port_or_fd, SCM start, SCM end); | |
120 | extern SCM scm_bit_count (SCM item, SCM seq); | |
121 | extern SCM scm_bit_position (SCM item, SCM v, SCM k); | |
122 | extern SCM scm_bit_set_star_x (SCM v, SCM kv, SCM obj); | |
123 | extern SCM scm_bit_count_star (SCM v, SCM kv, SCM obj); | |
124 | extern SCM scm_bit_invert_x (SCM v); | |
125 | extern SCM scm_istr2bve (char *str, long len); | |
126 | extern SCM scm_array_to_list (SCM v); | |
127 | extern SCM scm_list_to_uniform_array (SCM ndim, SCM prot, SCM lst); | |
128 | extern int scm_raprin1 (SCM exp, SCM port, scm_print_state *pstate); | |
129 | extern SCM scm_array_prototype (SCM ra); | |
130 | extern void scm_init_unif (void); | |
0f2d19dd JB |
131 | |
132 | #endif /* UNIFH */ |