91 lines
3.6 KiB
C
91 lines
3.6 KiB
C
/***********************************************************************/
|
|
/* */
|
|
/* 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 "config.h"
|
|
#include "mlvalues.h"
|
|
|
|
typedef signed char int8;
|
|
typedef unsigned char uint8;
|
|
#if SIZEOF_SHORT == 2
|
|
typedef short int16;
|
|
typedef unsigned short uint16;
|
|
#else
|
|
#error "No 16-bit integer type available"
|
|
#endif
|
|
|
|
#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 {
|
|
intnat refcount; /* Reference count */
|
|
void * data; /* Pointer to base of actual data */
|
|
uintnat size; /* Size of data in bytes (if mapped file) */
|
|
};
|
|
|
|
struct caml_bigarray {
|
|
void * data; /* Pointer to raw data */
|
|
intnat num_dims; /* Number of dimensions */
|
|
intnat flags; /* Kind of element array + memory layout + allocation status */
|
|
struct caml_bigarray_proxy * proxy; /* The proxy for sub-arrays, or NULL */
|
|
intnat 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, intnat * dim);
|
|
CAMLBAextern value alloc_bigarray_dims(int flags, int num_dims, void * data,
|
|
... /*dimensions, with type intnat */);
|
|
|
|
#endif
|