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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.
91 lines
2.3 KiB
C
91 lines
2.3 KiB
C
/* Copyright 2014,2018
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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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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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/* Make sure the assertions are tested. */
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#undef NDEBUG
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#include <libguile.h>
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#include <stdio.h>
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#include <assert.h>
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static void
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test_writable_elements ()
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{
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SCM elts = scm_list_4 (scm_from_int (1), scm_from_int (2),
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scm_from_int (3), scm_from_int (4));
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{
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SCM v = scm_u32vector (elts);
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size_t len;
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ssize_t inc;
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scm_t_array_handle h;
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scm_t_uint32 *elts = scm_u32vector_writable_elements (v, &h, &len, &inc);
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assert (len == 4);
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assert (inc == 1);
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assert (elts[0] == 1);
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assert (elts[3] == 4);
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scm_array_handle_release (&h);
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}
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{
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SCM v = scm_f32vector (elts);
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size_t len;
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ssize_t inc;
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scm_t_array_handle h;
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float *elts = scm_f32vector_writable_elements (v, &h, &len, &inc);
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assert (len == 4);
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assert (inc == 1);
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assert (elts[0] == 1.0);
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assert (elts[3] == 4.0);
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scm_array_handle_release (&h);
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}
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{
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SCM v = scm_c32vector (elts);
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size_t len;
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ssize_t inc;
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scm_t_array_handle h;
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float *elts = scm_c32vector_writable_elements (v, &h, &len, &inc);
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assert (len == 4);
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assert (inc == 1);
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assert (elts[0] == 1.0);
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assert (elts[1] == 0.0);
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assert (elts[6] == 4.0);
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assert (elts[7] == 0.0);
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scm_array_handle_release (&h);
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}
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}
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static void
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tests (void *data, int argc, char **argv)
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{
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test_writable_elements ();
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}
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int
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main (int argc, char *argv[])
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{
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scm_boot_guile (argc, argv, tests, NULL);
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return 0;
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}
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