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/* Copyright (C) 2014 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 3 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., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
/* Make sure the assertions are tested. */
#undef NDEBUG
#include <libguile.h>
#include <stdio.h>
#include <assert.h>
static void
test_writable_elements ()
{
SCM elts = scm_list_4 (scm_from_int (1), scm_from_int (2),
scm_from_int (3), scm_from_int (4));
{
SCM v = scm_u32vector (elts);
size_t len;
ssize_t inc;
scm_t_array_handle h;
scm_t_uint32 *elts = scm_u32vector_writable_elements (v, &h, &len, &inc);
assert (len == 4);
assert (inc == 1);
assert (elts[0] == 1);
assert (elts[3] == 4);
scm_array_handle_release (&h);
}
{
SCM v = scm_f32vector (elts);
size_t len;
ssize_t inc;
scm_t_array_handle h;
float *elts = scm_f32vector_writable_elements (v, &h, &len, &inc);
assert (len == 4);
assert (inc == 1);
assert (elts[0] == 1.0);
assert (elts[3] == 4.0);
scm_array_handle_release (&h);
}
{
SCM v = scm_c32vector (elts);
size_t len;
ssize_t inc;
scm_t_array_handle h;
float *elts = scm_c32vector_writable_elements (v, &h, &len, &inc);
assert (len == 4);
assert (inc == 1);
assert (elts[0] == 1.0);
assert (elts[1] == 0.0);
assert (elts[6] == 4.0);
assert (elts[7] == 0.0);
scm_array_handle_release (&h);
}
}
static void
tests (void *data, int argc, char **argv)
{
test_writable_elements ();
}
int
main (int argc, char *argv[])
{
scm_boot_guile (argc, argv, tests, NULL);
return 0;
}
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