120 lines
2.4 KiB
C
120 lines
2.4 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
|
|
* GNU Mes --- Maxwell Equations of Software
|
|
* Copyright © 2016,2017,2018 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"
|
|
|
|
#include <assert.h>
|
|
|
|
SCM
|
|
make_vector__ (long k)
|
|
{
|
|
SCM v = alloc (k);
|
|
SCM x = make_cell__ (TVECTOR, k, v);
|
|
for (long i = 0; i < k; i++)
|
|
g_cells[v + i] = g_cells[vector_entry (cell_unspecified)];
|
|
return x;
|
|
}
|
|
|
|
SCM
|
|
make_vector_ (SCM n)
|
|
{
|
|
return make_vector__ (VALUE (n));
|
|
}
|
|
|
|
SCM
|
|
vector_length (SCM x)
|
|
{
|
|
assert (TYPE (x) == TVECTOR);
|
|
return MAKE_NUMBER (LENGTH (x));
|
|
}
|
|
|
|
SCM
|
|
vector_ref_ (SCM x, long i)
|
|
{
|
|
assert (TYPE (x) == TVECTOR);
|
|
assert (i < LENGTH (x));
|
|
SCM e = VECTOR (x) + i;
|
|
if (TYPE (e) == TREF)
|
|
e = REF (e);
|
|
if (TYPE (e) == TCHAR)
|
|
e = MAKE_CHAR (VALUE (e));
|
|
if (TYPE (e) == TNUMBER)
|
|
e = MAKE_NUMBER (VALUE (e));
|
|
return e;
|
|
}
|
|
|
|
SCM
|
|
vector_ref (SCM x, SCM i)
|
|
{
|
|
return vector_ref_ (x, VALUE (i));
|
|
}
|
|
|
|
SCM
|
|
vector_entry (SCM x)
|
|
{
|
|
if (TYPE (x) != TCHAR && TYPE (x) != TNUMBER)
|
|
x = MAKE_REF (x);
|
|
return x;
|
|
}
|
|
|
|
SCM
|
|
vector_set_x_ (SCM x, long i, SCM e)
|
|
{
|
|
assert (TYPE (x) == TVECTOR);
|
|
assert (i < LENGTH (x));
|
|
g_cells[VECTOR (x) + i] = g_cells[vector_entry (e)];
|
|
return cell_unspecified;
|
|
}
|
|
|
|
SCM
|
|
vector_set_x (SCM x, SCM i, SCM e)
|
|
{
|
|
return vector_set_x_ (x, VALUE (i), e);
|
|
}
|
|
|
|
SCM
|
|
list_to_vector (SCM x)
|
|
{
|
|
|
|
SCM v = make_vector__ (length__ (x));
|
|
SCM p = VECTOR (v);
|
|
while (x != cell_nil)
|
|
{
|
|
g_cells[p++] = g_cells[vector_entry (car (x))];
|
|
x = cdr (x);
|
|
}
|
|
return v;
|
|
}
|
|
|
|
SCM
|
|
vector_to_list (SCM v)
|
|
{
|
|
SCM x = cell_nil;
|
|
for (long i = LENGTH (v); i; i--)
|
|
{
|
|
SCM e = VECTOR (v) + i - 1;
|
|
if (TYPE (e) == TREF)
|
|
e = REF (e);
|
|
x = cons (e, x);
|
|
}
|
|
return x;
|
|
}
|