132 lines
3.0 KiB
C
132 lines
3.0 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
|
|
* GNU Mes --- Maxwell Equations of Software
|
|
* Copyright © 2016,2017,2018,2019,2020,2022 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
|
|
*
|
|
* This file is part of GNU Mes.
|
|
*
|
|
* GNU Mes is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 3 of the License, or (at
|
|
* your option) any later version.
|
|
*
|
|
* GNU Mes 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "mes/lib.h"
|
|
#include "mes/mes.h"
|
|
|
|
struct scm *
|
|
make_vector_ (long k, struct scm *e)
|
|
{
|
|
struct scm *x = alloc (1);
|
|
struct scm *v = alloc (k);
|
|
x->type = TVECTOR;
|
|
x->length = k;
|
|
x->vector = v;
|
|
long i;
|
|
for (i = 0; i < k; i = i + 1)
|
|
copy_cell (cell_ref (v, i), vector_entry (e));
|
|
|
|
return x;
|
|
}
|
|
|
|
struct scm *
|
|
make_vector (struct scm *x) /*:((arity . n)) */
|
|
{
|
|
struct scm *k = x->car;
|
|
assert_number ("make-vector", k);
|
|
long n = k->value;
|
|
struct scm *e = cell_unspecified;
|
|
if (x->cdr != cell_nil)
|
|
e = x->cdr->car;
|
|
|
|
return make_vector_ (n, e);
|
|
}
|
|
|
|
struct scm *
|
|
vector_length (struct scm *x)
|
|
{
|
|
assert_msg (x->type == TVECTOR, "x->type == TVECTOR");
|
|
return make_number (x->length);
|
|
}
|
|
|
|
struct scm *
|
|
vector_ref_ (struct scm *x, long i)
|
|
{
|
|
assert_msg (x->type == TVECTOR, "x->type == TVECTOR");
|
|
assert_msg (i < x->length, "i < x->length");
|
|
struct scm *e = cell_ref (x->vector, i);
|
|
if (e->type == TREF)
|
|
e = e->ref;
|
|
if (e->type == TCHAR)
|
|
e = make_char (e->value);
|
|
if (e->type == TNUMBER)
|
|
e = make_number (e->value);
|
|
return e;
|
|
}
|
|
|
|
struct scm *
|
|
vector_ref (struct scm *x, struct scm *i)
|
|
{
|
|
return vector_ref_ (x, i->value);
|
|
}
|
|
|
|
struct scm *
|
|
vector_entry (struct scm *x)
|
|
{
|
|
if (x->type != TCHAR && x->type != TNUMBER)
|
|
x = make_ref (x);
|
|
return x;
|
|
}
|
|
|
|
struct scm *
|
|
vector_set_x_ (struct scm *x, long i, struct scm *e)
|
|
{
|
|
assert_msg (x->type == TVECTOR, "x->type == TVECTOR");
|
|
assert_msg (i < x->length, "i < x->length");
|
|
copy_cell (cell_ref (x->vector, i), vector_entry (e));
|
|
return cell_unspecified;
|
|
}
|
|
|
|
struct scm *
|
|
vector_set_x (struct scm *x, struct scm *i, struct scm *e)
|
|
{
|
|
return vector_set_x_ (x, i->value, e);
|
|
}
|
|
|
|
struct scm *
|
|
list_to_vector (struct scm *x)
|
|
{
|
|
struct scm *v = make_vector_ (length__ (x), cell_unspecified);
|
|
struct scm *p = v->vector;
|
|
while (x != cell_nil)
|
|
{
|
|
copy_cell (p, vector_entry (car (x)));
|
|
p = p + M2_CELL_SIZE;
|
|
x = cdr (x);
|
|
}
|
|
return v;
|
|
}
|
|
|
|
struct scm *
|
|
vector_to_list (struct scm *v)
|
|
{
|
|
struct scm *x = cell_nil;
|
|
long i;
|
|
struct scm *e;
|
|
for (i = v->length; i; i = i - 1)
|
|
{
|
|
e = cell_ref (v->vector, i - 1);
|
|
if (e->type == TREF)
|
|
e = e->ref;
|
|
x = cons (e, x);
|
|
}
|
|
return x;
|
|
}
|