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0f2d19dd JB |
1 | /* classes: h_files */ |
2 | ||
e038c042 DH |
3 | #ifndef SCM_UNIFORM_VECTORS_H |
4 | #define SCM_UNIFORM_VECTORS_H | |
5 | /* Copyright (C) 1995,1996,1997,1999,2000,2001 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 | 45 | |
0f2d19dd JB |
46 | \f |
47 | ||
b4309c3c | 48 | #include "libguile/__scm.h" |
0f2d19dd JB |
49 | |
50 | \f | |
1d7bdb25 GH |
51 | |
52 | /* | |
53 | an array SCM is a non-immediate pointing to a heap cell with: | |
54 | ||
55 | CAR: bits 0-14 hold the dimension (0 -- 32767) | |
e038c042 | 56 | bit 15 is the SCM_ARRAY_FLAG_CONTIGUOUS flag |
1d7bdb25 GH |
57 | bits 16-31 hold the smob type id: scm_tc16_array |
58 | CDR: pointer to a malloced block containing an scm_array structure | |
92c2555f | 59 | followed by an scm_t_array_dim structure for each dimension. |
1d7bdb25 GH |
60 | */ |
61 | ||
92c2555f | 62 | typedef struct scm_t_array |
0f2d19dd | 63 | { |
1d7bdb25 | 64 | SCM v; /* the contents of the array, e.g., a vector or uniform vector. */ |
c014a02e | 65 | unsigned long base; |
92c2555f | 66 | } scm_t_array; |
0f2d19dd | 67 | |
92c2555f | 68 | typedef struct scm_t_array_dim |
0f2d19dd | 69 | { |
c014a02e ML |
70 | long lbnd; |
71 | long ubnd; | |
72 | long inc; | |
92c2555f | 73 | } scm_t_array_dim; |
1be6b49c ML |
74 | |
75 | #if (SCM_DEBUG_DEPRECATED == 0) | |
92c2555f MV |
76 | # define scm_array scm_t_array |
77 | # define scm_array_dim scm_t_array_dim | |
1be6b49c | 78 | #endif |
0f2d19dd | 79 | |
92c2555f | 80 | extern scm_t_bits scm_tc16_array; |
e038c042 DH |
81 | |
82 | #define SCM_ARRAY_FLAG_CONTIGUOUS (1 << 16) | |
83 | ||
a9d861e3 MD |
84 | #if (SCM_DEBUG_DEPRECATED == 0) |
85 | #define SCM_ARRAY_CONTIGUOUS SCM_ARRAY_FLAG_CONTIGUOUS | |
86 | #endif | |
87 | ||
e038c042 | 88 | #define SCM_ARRAYP(a) SCM_TYP16_PREDICATE (scm_tc16_array, a) |
2635d5ef | 89 | #define SCM_ARRAY_NDIM(x) ((size_t) (SCM_CELL_WORD_0 (x) >> 17)) |
e038c042 DH |
90 | #define SCM_ARRAY_CONTP(x) (SCM_CELL_WORD_0 (x) & SCM_ARRAY_FLAG_CONTIGUOUS) |
91 | #define SCM_SET_ARRAY_CONTIGUOUS_FLAG(x) \ | |
92 | (SCM_SET_CELL_WORD_0 ((x), SCM_CELL_WORD_0 (x) | SCM_ARRAY_FLAG_CONTIGUOUS)) | |
93 | #define SCM_CLR_ARRAY_CONTIGUOUS_FLAG(x) \ | |
94 | (SCM_SET_CELL_WORD_0 ((x), SCM_CELL_WORD_0 (x) & ~SCM_ARRAY_FLAG_CONTIGUOUS)) | |
0f2d19dd | 95 | |
92c2555f | 96 | #define SCM_ARRAY_MEM(a) ((scm_t_array *) SCM_CELL_WORD_1 (a)) |
405aaef9 DH |
97 | #define SCM_ARRAY_V(a) (SCM_ARRAY_MEM (a)->v) |
98 | #define SCM_ARRAY_BASE(a) (SCM_ARRAY_MEM (a)->base) | |
92c2555f | 99 | #define SCM_ARRAY_DIMS(a) ((scm_t_array_dim *)((char *) SCM_ARRAY_MEM (a) + sizeof (scm_t_array))) |
1be6b49c | 100 | |
c014a02e | 101 | #define SCM_I_MAX_LENGTH ((unsigned long) (-1L) >> 8) |
1d7bdb25 | 102 | |
3db4adfc | 103 | #define SCM_UVECTOR_BASE(x) ((void *) (SCM_CELL_WORD_1 (x))) |
6a0476fd | 104 | #define SCM_SET_UVECTOR_BASE(v, b) (SCM_SET_CELL_WORD_1 ((v), (b))) |
1be6b49c | 105 | #define SCM_UVECTOR_MAX_LENGTH SCM_I_MAX_LENGTH |
c014a02e | 106 | #define SCM_UVECTOR_LENGTH(x) (((unsigned long) SCM_CELL_WORD_0 (x)) >> 8) |
93778877 | 107 | #define SCM_SET_UVECTOR_LENGTH(v, l, t) (SCM_SET_CELL_WORD_0 ((v), ((l) << 8) + (t))) |
2d349e67 | 108 | |
b5c2579a | 109 | #define SCM_BITVECTOR_P(x) (!SCM_IMP (x) && (SCM_TYP7 (x) == scm_tc7_bvect)) |
bab246f3 | 110 | #define SCM_BITVECTOR_BASE(x) ((unsigned long *) (SCM_CELL_WORD_1 (x))) |
6a0476fd | 111 | #define SCM_SET_BITVECTOR_BASE(v, b) (SCM_SET_CELL_WORD_1 ((v), (b))) |
1be6b49c | 112 | #define SCM_BITVECTOR_MAX_LENGTH SCM_I_MAX_LENGTH |
c014a02e | 113 | #define SCM_BITVECTOR_LENGTH(x) (((unsigned long) SCM_CELL_WORD_0 (x)) >> 8) |
93778877 | 114 | #define SCM_SET_BITVECTOR_LENGTH(v, l) (SCM_SET_CELL_WORD_0 ((v), ((l) << 8) + scm_tc7_bvect)) |
3db4adfc | 115 | |
0f2d19dd | 116 | \f |
0f2d19dd | 117 | |
1be6b49c | 118 | extern size_t scm_uniform_element_size (SCM obj); |
c014a02e | 119 | extern SCM scm_make_uve (long k, SCM prot); |
1d7bdb25 GH |
120 | extern SCM scm_uniform_vector_length (SCM v); |
121 | extern SCM scm_array_p (SCM v, SCM prot); | |
122 | extern SCM scm_array_rank (SCM ra); | |
123 | extern SCM scm_array_dimensions (SCM ra); | |
e2d37336 MD |
124 | extern SCM scm_shared_array_root (SCM ra); |
125 | extern SCM scm_shared_array_offset (SCM ra); | |
126 | extern SCM scm_shared_array_increments (SCM ra); | |
c014a02e | 127 | extern long scm_aind (SCM ra, SCM args, const char *what); |
1d7bdb25 GH |
128 | extern SCM scm_make_ra (int ndim); |
129 | extern SCM scm_shap2ra (SCM args, const char *what); | |
130 | extern SCM scm_dimensions_to_uniform_array (SCM dims, SCM prot, SCM fill); | |
131 | extern void scm_ra_set_contp (SCM ra); | |
132 | extern SCM scm_make_shared_array (SCM oldra, SCM mapfunc, SCM dims); | |
af45e3b0 DH |
133 | extern SCM scm_transpose_array (SCM ra, SCM args); |
134 | extern SCM scm_enclose_array (SCM ra, SCM axes); | |
135 | extern SCM scm_array_in_bounds_p (SCM v, SCM args); | |
1d7bdb25 | 136 | extern SCM scm_uniform_vector_ref (SCM v, SCM args); |
c014a02e | 137 | extern SCM scm_cvref (SCM v, unsigned long pos, SCM last); |
1d7bdb25 GH |
138 | extern SCM scm_array_set_x (SCM v, SCM obj, SCM args); |
139 | extern SCM scm_array_contents (SCM ra, SCM strict); | |
140 | extern SCM scm_ra2contig (SCM ra, int copy); | |
141 | extern SCM scm_uniform_array_read_x (SCM ra, SCM port_or_fd, SCM start, SCM end); | |
142 | extern SCM scm_uniform_array_write (SCM v, SCM port_or_fd, SCM start, SCM end); | |
143 | extern SCM scm_bit_count (SCM item, SCM seq); | |
144 | extern SCM scm_bit_position (SCM item, SCM v, SCM k); | |
145 | extern SCM scm_bit_set_star_x (SCM v, SCM kv, SCM obj); | |
146 | extern SCM scm_bit_count_star (SCM v, SCM kv, SCM obj); | |
147 | extern SCM scm_bit_invert_x (SCM v); | |
c014a02e | 148 | extern SCM scm_istr2bve (char *str, long len); |
92c2555f | 149 | extern SCM scm_t_arrayo_list (SCM v); |
1d7bdb25 GH |
150 | extern SCM scm_list_to_uniform_array (SCM ndim, SCM prot, SCM lst); |
151 | extern int scm_raprin1 (SCM exp, SCM port, scm_print_state *pstate); | |
152 | extern SCM scm_array_prototype (SCM ra); | |
153 | extern void scm_init_unif (void); | |
0f2d19dd | 154 | |
a6d9e5ab DH |
155 | \f |
156 | ||
157 | #if (SCM_DEBUG_DEPRECATED == 0) | |
158 | ||
159 | /* apparently it's possible to have more than SCM_LENGTH_MAX elements | |
160 | in an array: if the length is SCM_LENGTH_MAX then the SCM_VELTS | |
161 | block begins with the true length (a long int). I wonder if it | |
162 | works. */ | |
163 | #define SCM_HUGE_LENGTH(x)\ | |
164 | (SCM_LENGTH_MAX==SCM_LENGTH(x) ? *((long *)SCM_VELTS(x)) : SCM_LENGTH(x)) | |
165 | ||
166 | #endif /* SCM_DEBUG_DEPRECATED == 0 */ | |
167 | ||
e038c042 | 168 | #endif /* SCM_UNIFORM_VECTORS_H */ |
89e00824 ML |
169 | |
170 | /* | |
171 | Local Variables: | |
172 | c-file-style: "gnu" | |
173 | End: | |
174 | */ |