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/* classes: h_files */
#ifndef SCM_ARRAY_H
#define SCM_ARRAY_H
/* Copyright (C) 1995,1996,1997,1999,2000,2001, 2004, 2006, 2008, 2009 Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 3 of
* the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#include "libguile/__scm.h"
#include "libguile/print.h"
/* Multidimensional arrays. Woo hoo!
Also see ....
*/
/** Arrays */
SCM_API SCM scm_make_array (SCM fill, SCM bounds);
SCM_API SCM scm_make_typed_array (SCM type, SCM fill, SCM bounds);
SCM_API SCM scm_from_contiguous_typed_array (SCM type, SCM bounds,
const void *bytes,
size_t byte_len);
SCM_API SCM scm_shared_array_root (SCM ra);
SCM_API SCM scm_shared_array_offset (SCM ra);
SCM_API SCM scm_shared_array_increments (SCM ra);
SCM_API SCM scm_make_shared_array (SCM oldra, SCM mapfunc, SCM dims);
SCM_API SCM scm_transpose_array (SCM ra, SCM args);
SCM_API SCM scm_array_contents (SCM ra, SCM strict);
SCM_API SCM scm_uniform_array_read_x (SCM ra, SCM port_or_fd,
SCM start, SCM end);
SCM_API SCM scm_uniform_array_write (SCM v, SCM port_or_fd,
SCM start, SCM end);
SCM_API SCM scm_list_to_array (SCM ndim, SCM lst);
SCM_API SCM scm_list_to_typed_array (SCM type, SCM ndim, SCM lst);
SCM_API SCM scm_ra2contig (SCM ra, int copy);
/* internal. */
typedef struct scm_i_t_array
{
SCM v; /* the contents of the array, e.g., a vector or uniform vector. */
unsigned long base;
} scm_i_t_array;
SCM_API scm_t_bits scm_i_tc16_array;
#define SCM_I_ARRAY_FLAG_CONTIGUOUS (1 << 16)
#define SCM_I_ARRAYP(a) SCM_TYP16_PREDICATE (scm_i_tc16_array, a)
#define SCM_I_ARRAY_NDIM(x) ((size_t) (SCM_CELL_WORD_0 (x) >> 17))
#define SCM_I_ARRAY_CONTP(x) (SCM_CELL_WORD_0(x) & SCM_I_ARRAY_FLAG_CONTIGUOUS)
#define SCM_I_ARRAY_MEM(a) ((scm_i_t_array *) SCM_CELL_WORD_1 (a))
#define SCM_I_ARRAY_V(a) (SCM_I_ARRAY_MEM (a)->v)
#define SCM_I_ARRAY_BASE(a) (SCM_I_ARRAY_MEM (a)->base)
#define SCM_I_ARRAY_DIMS(a) \
((scm_t_array_dim *)((char *) SCM_I_ARRAY_MEM (a) + sizeof (scm_i_t_array)))
SCM_INTERNAL SCM scm_i_make_array (int ndim);
SCM_INTERNAL SCM scm_i_read_array (SCM port, int c);
SCM_INTERNAL void scm_init_arrays (void);
#endif /* SCM_ARRAYS_H */
/*
Local Variables:
c-file-style: "gnu"
End:
*/
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