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791eb0c01a
As the FSF advises, 'There is no legal significance to using the three-character sequence “(C)”, but it does no harm.' It does take up space though! For that reason, we remove it here from our C files.
86 lines
3.1 KiB
C
86 lines
3.1 KiB
C
#ifndef SCM_ARRAY_H
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#define SCM_ARRAY_H
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/* Copyright 1995-1997,1999-2001,2004,2006,2008-2010,2012,2018
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* Free Software Foundation, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 3 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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#include "libguile/gc.h"
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#include "libguile/print.h"
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/* Multidimensional arrays. Woo hoo!
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Also see ....
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*/
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/** Arrays */
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SCM_API SCM scm_make_array (SCM fill, SCM bounds);
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SCM_API SCM scm_make_typed_array (SCM type, SCM fill, SCM bounds);
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SCM_API SCM scm_from_contiguous_typed_array (SCM type, SCM bounds,
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const void *bytes,
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size_t byte_len);
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SCM_API SCM scm_shared_array_root (SCM ra);
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SCM_API SCM scm_shared_array_offset (SCM ra);
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SCM_API SCM scm_shared_array_increments (SCM ra);
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SCM_API SCM scm_make_shared_array (SCM oldra, SCM mapfunc, SCM dims);
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SCM_API SCM scm_transpose_array (SCM ra, SCM args);
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SCM_API SCM scm_array_contents (SCM ra, SCM strict);
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SCM_API SCM scm_array_slice (SCM ra, SCM indices);
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SCM_API SCM scm_array_cell_ref (SCM ra, SCM indices);
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SCM_API SCM scm_array_cell_set_x (SCM ra, SCM b, SCM indices);
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SCM_API SCM scm_list_to_array (SCM ndim, SCM lst);
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SCM_API SCM scm_list_to_typed_array (SCM type, SCM ndim, SCM lst);
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SCM_API size_t scm_c_array_rank (SCM ra);
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SCM_API SCM scm_array_rank (SCM ra);
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/* internal. */
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/* see scm_from_contiguous_array for these three */
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#define SCM_I_ARRAY_FLAG_CONTIGUOUS (1 << 0)
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#define SCM_SET_ARRAY_CONTIGUOUS_FLAG(x) \
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(SCM_SET_CELL_WORD_0 ((x), SCM_CELL_WORD_0 (x) | (SCM_I_ARRAY_FLAG_CONTIGUOUS << 16)))
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#define SCM_CLR_ARRAY_CONTIGUOUS_FLAG(x) \
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(SCM_SET_CELL_WORD_0 ((x), SCM_CELL_WORD_0 (x) & ~(SCM_I_ARRAY_FLAG_CONTIGUOUS << 16)))
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#define SCM_I_ARRAYP(a) SCM_TYP16_PREDICATE (scm_tc7_array, a)
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#define SCM_I_ARRAY_NDIM(x) ((size_t) (SCM_CELL_WORD_0 (x)>>17))
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#define SCM_I_ARRAY_CONTP(x) (SCM_CELL_WORD_0 (x) & (SCM_I_ARRAY_FLAG_CONTIGUOUS << 16))
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#define SCM_I_ARRAY_V(a) SCM_CELL_OBJECT_1 (a)
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#define SCM_I_ARRAY_BASE(a) ((size_t) SCM_CELL_WORD_2 (a))
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#define SCM_I_ARRAY_DIMS(a) ((scm_t_array_dim *) SCM_CELL_OBJECT_LOC (a, 3))
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#define SCM_I_ARRAY_SET_V(a, v) SCM_SET_CELL_OBJECT_1(a, v)
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#define SCM_I_ARRAY_SET_BASE(a, base) SCM_SET_CELL_WORD_2(a, base)
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SCM_INTERNAL SCM scm_i_make_array (int ndim);
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SCM_INTERNAL int scm_i_print_array (SCM array, SCM port, scm_print_state *pstate);
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SCM_INTERNAL SCM scm_i_shap2ra (SCM args);
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SCM_INTERNAL void scm_init_arrays (void);
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#endif /* SCM_ARRAYS_H */
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