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/* classes: h_files */
#ifndef SCM_VECTORS_H
#define SCM_VECTORS_H
/* Copyright (C) 1995,1996,1998,2000,2001, 2002 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 2.1 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "libguile/__scm.h"
#define SCM_VECTORP(x) (!SCM_IMP (x) && (SCM_TYP7S (x) == scm_tc7_vector))
#define SCM_VECTOR_BASE(x) ((scm_t_bits *) SCM_CELL_WORD_1 (x))
#define SCM_SET_VECTOR_BASE(v, b) (SCM_SET_CELL_WORD_1 ((v), (b)))
#define SCM_VECTOR_MAX_LENGTH ((1L << 24) - 1)
#define SCM_VECTOR_LENGTH(x) (((unsigned long) SCM_CELL_WORD_0 (x)) >> 8)
#define SCM_MAKE_VECTOR_TAG(l, t) (((l) << 8) + (t))
#define SCM_SET_VECTOR_LENGTH(v, l, t) (SCM_SET_CELL_WORD_0 ((v), SCM_MAKE_VECTOR_TAG(l, t)))
#define SCM_VELTS(x) ((const SCM *) SCM_CELL_WORD_1 (x))
#define SCM_VELTS_AS_STACKITEMS(x) ((SCM_STACKITEM *) SCM_CELL_WORD_1 (x))
#define SCM_SETVELTS(x, v) (SCM_SET_CELL_WORD_1 ((x), (v)))
#define SCM_VECTOR_REF(x, idx) (((const SCM *) SCM_CELL_WORD_1 (x))[(idx)])
#define SCM_VECTOR_SET(x, idx, val) (((SCM*)SCM_CELL_WORD_1 (x))[(idx)] = (val))
#define SCM_GC_WRITABLE_VELTS(x) ((SCM*) SCM_VELTS(x))
/*
no WB yet.
*/
#define SCM_WRITABLE_VELTS(x) ((SCM*) SCM_VELTS(x))
/*
bit vectors
*/
#define SCM_BITVEC_REF(a, i) ((SCM_BITVECTOR_BASE (a) [(i) / SCM_LONG_BIT] & (1L << ((i) % SCM_LONG_BIT))) ? 1 : 0)
#define SCM_BITVEC_SET(a, i) SCM_BITVECTOR_BASE (a) [(i) / SCM_LONG_BIT] |= (1L << ((i) % SCM_LONG_BIT))
#define SCM_BITVEC_CLR(a, i) SCM_BITVECTOR_BASE (a) [(i) / SCM_LONG_BIT] &= ~(1L << ((i) % SCM_LONG_BIT))
SCM_API SCM scm_c_make_vector (unsigned long int k, SCM fill);
SCM_API SCM scm_vector_p (SCM x);
SCM_API SCM scm_vector_length (SCM v);
SCM_API SCM scm_vector (SCM l);
SCM_API SCM scm_vector_ref (SCM v, SCM k);
SCM_API SCM scm_vector_set_x (SCM v, SCM k, SCM obj);
SCM_API SCM scm_make_vector (SCM k, SCM fill);
SCM_API SCM scm_vector_to_list (SCM v);
SCM_API SCM scm_vector_fill_x (SCM v, SCM fill_x);
SCM_API SCM scm_vector_equal_p (SCM x, SCM y);
SCM_API SCM scm_vector_move_left_x (SCM vec1, SCM start1, SCM end1,
SCM vec2, SCM start2);
SCM_API SCM scm_vector_move_right_x (SCM vec1, SCM start1, SCM end1,
SCM vec2, SCM start2);
SCM_API void scm_init_vectors (void);
#endif /* SCM_VECTORS_H */
/*
Local Variables:
c-file-style: "gnu"
End:
*/
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