1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
/***********************************************************************/
/* */
/* Objective Caml */
/* */
/* Manuel Serrano and Xavier Leroy, INRIA Rocquencourt */
/* */
/* Copyright 2000 Institut National de Recherche en Informatique et */
/* en Automatique. All rights reserved. This file is distributed */
/* under the terms of the GNU Library General Public License, with */
/* the special exception on linking described in file ../../LICENSE. */
/* */
/***********************************************************************/
/* $Id$ */
#ifndef _bigarray_
#define _bigarray_
#include "mlvalues.h"
#define MAX_NUM_DIMS 16
enum caml_bigarray_kind {
BIGARRAY_FLOAT32, /* Single-precision floats */
BIGARRAY_FLOAT64, /* Double-precision floats */
BIGARRAY_SINT8, /* Signed 8-bit integers */
BIGARRAY_UINT8, /* Unsigned 8-bit integers */
BIGARRAY_SINT16, /* Signed 16-bit integers */
BIGARRAY_UINT16, /* Unsigned 16-bit integers */
BIGARRAY_INT32, /* Signed 32-bit integers */
BIGARRAY_INT64, /* Signed 64-bit integers */
BIGARRAY_CAML_INT, /* Caml-style integers (signed 31 or 63 bits) */
BIGARRAY_NATIVE_INT, /* Platform-native long integers (32 or 64 bits) */
BIGARRAY_COMPLEX32, /* Single-precision complex */
BIGARRAY_COMPLEX64, /* Double-precision complex */
BIGARRAY_KIND_MASK = 0xFF /* Mask for kind in flags field */
};
enum caml_bigarray_layout {
BIGARRAY_C_LAYOUT = 0, /* Row major, indices start at 0 */
BIGARRAY_FORTRAN_LAYOUT = 0x100, /* Column major, indices start at 1 */
BIGARRAY_LAYOUT_MASK = 0x100 /* Mask for layout in flags field */
};
enum caml_bigarray_managed {
BIGARRAY_EXTERNAL = 0, /* Data is not allocated by Caml */
BIGARRAY_MANAGED = 0x200, /* Data is allocated by Caml */
BIGARRAY_MAPPED_FILE = 0x400, /* Data is a memory mapped file */
BIGARRAY_MANAGED_MASK = 0x600 /* Mask for "managed" bits in flags field */
};
struct caml_bigarray_proxy {
long refcount; /* Reference count */
void * data; /* Pointer to base of actual data */
unsigned long size; /* Size of data in bytes (if mapped file) */
};
struct caml_bigarray {
void * data; /* Pointer to raw data */
long num_dims; /* Number of dimensions */
long flags; /* Kind of element array + memory layout + allocation status */
struct caml_bigarray_proxy * proxy; /* The proxy for sub-arrays, or NULL */
long dim[1] /*[num_dims]*/; /* Size in each dimension */
};
#define Bigarray_val(v) ((struct caml_bigarray *) Data_custom_val(v))
#define Data_bigarray_val(v) (Bigarray_val(v)->data)
#if defined(IN_OCAML_BIGARRAY)
#define CAMLBAextern CAMLexport
#else
#define CAMLBAextern CAMLextern
#endif
CAMLBAextern value alloc_bigarray(int flags, int num_dims, void * data, long * dim);
CAMLBAextern value alloc_bigarray_dims(int flags, int num_dims, void * data,
... /*dimensions, with type long */);
#endif
|
