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0f2d19dd JB |
1 | /* classes: h_files */ |
2 | ||
b29058ff DH |
3 | #ifndef SCM_UNIF_H |
4 | #define SCM_UNIF_H | |
5 | ||
e038c042 | 6 | /* Copyright (C) 1995,1996,1997,1999,2000,2001 Free Software Foundation, Inc. |
b29058ff | 7 | * |
0f2d19dd JB |
8 | * This program is free software; you can redistribute it and/or modify |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2, or (at your option) | |
11 | * any later version. | |
b29058ff | 12 | * |
0f2d19dd JB |
13 | * This program is distributed in the hope that it will be useful, |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
b29058ff | 17 | * |
0f2d19dd JB |
18 | * You should have received a copy of the GNU General Public License |
19 | * along with this software; see the file COPYING. If not, write to | |
82892bed JB |
20 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
21 | * Boston, MA 02111-1307 USA | |
0f2d19dd JB |
22 | * |
23 | * As a special exception, the Free Software Foundation gives permission | |
24 | * for additional uses of the text contained in its release of GUILE. | |
25 | * | |
26 | * The exception is that, if you link the GUILE library with other files | |
27 | * to produce an executable, this does not by itself cause the | |
28 | * resulting executable to be covered by the GNU General Public License. | |
29 | * Your use of that executable is in no way restricted on account of | |
30 | * linking the GUILE library code into it. | |
31 | * | |
32 | * This exception does not however invalidate any other reasons why | |
33 | * the executable file might be covered by the GNU General Public License. | |
34 | * | |
35 | * This exception applies only to the code released by the | |
36 | * Free Software Foundation under the name GUILE. If you copy | |
37 | * code from other Free Software Foundation releases into a copy of | |
38 | * GUILE, as the General Public License permits, the exception does | |
39 | * not apply to the code that you add in this way. To avoid misleading | |
40 | * anyone as to the status of such modified files, you must delete | |
41 | * this exception notice from them. | |
42 | * | |
43 | * If you write modifications of your own for GUILE, it is your choice | |
44 | * whether to permit this exception to apply to your modifications. | |
82892bed | 45 | * If you do not wish that, delete this exception notice. */ |
d3a6bc94 | 46 | |
0f2d19dd JB |
47 | \f |
48 | ||
b4309c3c | 49 | #include "libguile/__scm.h" |
0f2d19dd JB |
50 | |
51 | \f | |
1d7bdb25 GH |
52 | |
53 | /* | |
2dbec7b5 | 54 | an array SCM is a non-immediate pointing to a heap cell where: |
1d7bdb25 | 55 | |
2dbec7b5 GH |
56 | CAR: bits 0-15 hold the smob type id: scm_tc16_array |
57 | bit 16 is the SCM_ARRAY_FLAG_CONTIGUOUS flag | |
58 | bits 17-31 hold the dimension (0 -- 32767) | |
59 | CDR: pointer to a malloced block containing an scm_t_array structure | |
92c2555f | 60 | followed by an scm_t_array_dim structure for each dimension. |
1d7bdb25 GH |
61 | */ |
62 | ||
92c2555f | 63 | typedef struct scm_t_array |
0f2d19dd | 64 | { |
1d7bdb25 | 65 | SCM v; /* the contents of the array, e.g., a vector or uniform vector. */ |
c014a02e | 66 | unsigned long base; |
92c2555f | 67 | } scm_t_array; |
0f2d19dd | 68 | |
92c2555f | 69 | typedef struct scm_t_array_dim |
0f2d19dd | 70 | { |
c014a02e ML |
71 | long lbnd; |
72 | long ubnd; | |
73 | long inc; | |
92c2555f | 74 | } scm_t_array_dim; |
1be6b49c | 75 | |
92c2555f | 76 | extern scm_t_bits scm_tc16_array; |
e038c042 DH |
77 | |
78 | #define SCM_ARRAY_FLAG_CONTIGUOUS (1 << 16) | |
79 | ||
80 | #define SCM_ARRAYP(a) SCM_TYP16_PREDICATE (scm_tc16_array, a) | |
2635d5ef | 81 | #define SCM_ARRAY_NDIM(x) ((size_t) (SCM_CELL_WORD_0 (x) >> 17)) |
e038c042 DH |
82 | #define SCM_ARRAY_CONTP(x) (SCM_CELL_WORD_0 (x) & SCM_ARRAY_FLAG_CONTIGUOUS) |
83 | #define SCM_SET_ARRAY_CONTIGUOUS_FLAG(x) \ | |
84 | (SCM_SET_CELL_WORD_0 ((x), SCM_CELL_WORD_0 (x) | SCM_ARRAY_FLAG_CONTIGUOUS)) | |
85 | #define SCM_CLR_ARRAY_CONTIGUOUS_FLAG(x) \ | |
86 | (SCM_SET_CELL_WORD_0 ((x), SCM_CELL_WORD_0 (x) & ~SCM_ARRAY_FLAG_CONTIGUOUS)) | |
0f2d19dd | 87 | |
92c2555f | 88 | #define SCM_ARRAY_MEM(a) ((scm_t_array *) SCM_CELL_WORD_1 (a)) |
405aaef9 DH |
89 | #define SCM_ARRAY_V(a) (SCM_ARRAY_MEM (a)->v) |
90 | #define SCM_ARRAY_BASE(a) (SCM_ARRAY_MEM (a)->base) | |
92c2555f | 91 | #define SCM_ARRAY_DIMS(a) ((scm_t_array_dim *)((char *) SCM_ARRAY_MEM (a) + sizeof (scm_t_array))) |
1be6b49c | 92 | |
c014a02e | 93 | #define SCM_I_MAX_LENGTH ((unsigned long) (-1L) >> 8) |
1d7bdb25 | 94 | |
3db4adfc | 95 | #define SCM_UVECTOR_BASE(x) ((void *) (SCM_CELL_WORD_1 (x))) |
6a0476fd | 96 | #define SCM_SET_UVECTOR_BASE(v, b) (SCM_SET_CELL_WORD_1 ((v), (b))) |
1be6b49c | 97 | #define SCM_UVECTOR_MAX_LENGTH SCM_I_MAX_LENGTH |
c014a02e | 98 | #define SCM_UVECTOR_LENGTH(x) (((unsigned long) SCM_CELL_WORD_0 (x)) >> 8) |
93778877 | 99 | #define SCM_SET_UVECTOR_LENGTH(v, l, t) (SCM_SET_CELL_WORD_0 ((v), ((l) << 8) + (t))) |
2d349e67 | 100 | |
b5c2579a | 101 | #define SCM_BITVECTOR_P(x) (!SCM_IMP (x) && (SCM_TYP7 (x) == scm_tc7_bvect)) |
bab246f3 | 102 | #define SCM_BITVECTOR_BASE(x) ((unsigned long *) (SCM_CELL_WORD_1 (x))) |
6a0476fd | 103 | #define SCM_SET_BITVECTOR_BASE(v, b) (SCM_SET_CELL_WORD_1 ((v), (b))) |
1be6b49c | 104 | #define SCM_BITVECTOR_MAX_LENGTH SCM_I_MAX_LENGTH |
c014a02e | 105 | #define SCM_BITVECTOR_LENGTH(x) (((unsigned long) SCM_CELL_WORD_0 (x)) >> 8) |
93778877 | 106 | #define SCM_SET_BITVECTOR_LENGTH(v, l) (SCM_SET_CELL_WORD_0 ((v), ((l) << 8) + scm_tc7_bvect)) |
3db4adfc | 107 | |
0f2d19dd | 108 | \f |
0f2d19dd | 109 | |
1be6b49c | 110 | extern size_t scm_uniform_element_size (SCM obj); |
c014a02e | 111 | extern SCM scm_make_uve (long k, SCM prot); |
1d7bdb25 GH |
112 | extern SCM scm_uniform_vector_length (SCM v); |
113 | extern SCM scm_array_p (SCM v, SCM prot); | |
114 | extern SCM scm_array_rank (SCM ra); | |
115 | extern SCM scm_array_dimensions (SCM ra); | |
e2d37336 MD |
116 | extern SCM scm_shared_array_root (SCM ra); |
117 | extern SCM scm_shared_array_offset (SCM ra); | |
118 | extern SCM scm_shared_array_increments (SCM ra); | |
c014a02e | 119 | extern long scm_aind (SCM ra, SCM args, const char *what); |
1d7bdb25 GH |
120 | extern SCM scm_make_ra (int ndim); |
121 | extern SCM scm_shap2ra (SCM args, const char *what); | |
122 | extern SCM scm_dimensions_to_uniform_array (SCM dims, SCM prot, SCM fill); | |
123 | extern void scm_ra_set_contp (SCM ra); | |
124 | extern SCM scm_make_shared_array (SCM oldra, SCM mapfunc, SCM dims); | |
af45e3b0 DH |
125 | extern SCM scm_transpose_array (SCM ra, SCM args); |
126 | extern SCM scm_enclose_array (SCM ra, SCM axes); | |
127 | extern SCM scm_array_in_bounds_p (SCM v, SCM args); | |
1d7bdb25 | 128 | extern SCM scm_uniform_vector_ref (SCM v, SCM args); |
c014a02e | 129 | extern SCM scm_cvref (SCM v, unsigned long pos, SCM last); |
1d7bdb25 GH |
130 | extern SCM scm_array_set_x (SCM v, SCM obj, SCM args); |
131 | extern SCM scm_array_contents (SCM ra, SCM strict); | |
132 | extern SCM scm_ra2contig (SCM ra, int copy); | |
133 | extern SCM scm_uniform_array_read_x (SCM ra, SCM port_or_fd, SCM start, SCM end); | |
134 | extern SCM scm_uniform_array_write (SCM v, SCM port_or_fd, SCM start, SCM end); | |
135 | extern SCM scm_bit_count (SCM item, SCM seq); | |
136 | extern SCM scm_bit_position (SCM item, SCM v, SCM k); | |
137 | extern SCM scm_bit_set_star_x (SCM v, SCM kv, SCM obj); | |
138 | extern SCM scm_bit_count_star (SCM v, SCM kv, SCM obj); | |
139 | extern SCM scm_bit_invert_x (SCM v); | |
c014a02e | 140 | extern SCM scm_istr2bve (char *str, long len); |
92c2555f | 141 | extern SCM scm_t_arrayo_list (SCM v); |
1d7bdb25 GH |
142 | extern SCM scm_list_to_uniform_array (SCM ndim, SCM prot, SCM lst); |
143 | extern int scm_raprin1 (SCM exp, SCM port, scm_print_state *pstate); | |
144 | extern SCM scm_array_prototype (SCM ra); | |
145 | extern void scm_init_unif (void); | |
0f2d19dd | 146 | |
b29058ff | 147 | #endif /* SCM_UNIF_H */ |
89e00824 ML |
148 | |
149 | /* | |
150 | Local Variables: | |
151 | c-file-style: "gnu" | |
152 | End: | |
153 | */ |