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#ifndef SCM_ARRAY_H
#define SCM_ARRAY_H
/* Copyright 1995-1997,1999-2001,2004,2006,2008-2010,2012,2018
Free Software Foundation, Inc.
This file is part of Guile.
Guile 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.
Guile 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 Guile. If not, see
<https://www.gnu.org/licenses/>. */
#include "libguile/gc.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_array_slice (SCM ra, SCM indices);
SCM_API SCM scm_array_cell_ref (SCM ra, SCM indices);
SCM_API SCM scm_array_cell_set_x (SCM ra, SCM b, SCM indices);
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 size_t scm_c_array_rank (SCM ra);
SCM_API SCM scm_array_rank (SCM ra);
/* internal. */
/* see scm_from_contiguous_array for these three */
#define SCM_I_ARRAY_FLAG_CONTIGUOUS (1 << 0)
#define SCM_SET_ARRAY_CONTIGUOUS_FLAG(x) \
(SCM_SET_CELL_WORD_0 ((x), SCM_CELL_WORD_0 (x) | (SCM_I_ARRAY_FLAG_CONTIGUOUS << 16)))
#define SCM_CLR_ARRAY_CONTIGUOUS_FLAG(x) \
(SCM_SET_CELL_WORD_0 ((x), SCM_CELL_WORD_0 (x) & ~(SCM_I_ARRAY_FLAG_CONTIGUOUS << 16)))
#define SCM_I_ARRAYP(a) SCM_TYP16_PREDICATE (scm_tc7_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 << 16))
#define SCM_I_ARRAY_V(a) SCM_CELL_OBJECT_1 (a)
#define SCM_I_ARRAY_BASE(a) ((size_t) SCM_CELL_WORD_2 (a))
#define SCM_I_ARRAY_DIMS(a) ((scm_t_array_dim *) SCM_CELL_OBJECT_LOC (a, 3))
#define SCM_I_ARRAY_SET_V(a, v) SCM_SET_CELL_OBJECT_1(a, v)
#define SCM_I_ARRAY_SET_BASE(a, base) SCM_SET_CELL_WORD_2(a, base)
SCM_INTERNAL SCM scm_i_make_array (int ndim);
SCM_INTERNAL int scm_i_print_array (SCM array, SCM port, scm_print_state *pstate);
SCM_INTERNAL SCM scm_i_shap2ra (SCM args);
SCM_INTERNAL void scm_init_arrays (void);
#endif /* SCM_ARRAYS_H */
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