mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-15 22:01:27 +00:00
e598685f52
Original commit message from CVS: * testsuite/caps/Makefile.am: Fix spelling of Ηρατοσθενες * testsuite/caps/erathostenes.c: * testsuite/caps/eratosthenes.c: (eratosthenes), (main):
71 lines
2 KiB
C
71 lines
2 KiB
C
/*
|
|
* Copyright (C) 2004 Benjamin Otte <in7y118@public.uni-hamburg.de>
|
|
*
|
|
* This library 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 2 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
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public
|
|
* License along with this library; if not, write to the Free
|
|
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
|
|
#include <gst/gst.h>
|
|
#include <stdlib.h>
|
|
|
|
#define MAX_SIEVE 20
|
|
|
|
static void
|
|
eratosthenes (GValue * sieve, gboolean up, int size)
|
|
{
|
|
guint i, j;
|
|
GValue temp = { 0, };
|
|
GValue list = { 0, };
|
|
|
|
g_value_init (sieve, GST_TYPE_INT_RANGE);
|
|
gst_value_set_int_range (sieve, 2, size * size);
|
|
for (i = up ? 2 : size; up ? (i <= size) : (i >= 2); i += up ? 1 : -1) {
|
|
g_value_init (&list, GST_TYPE_LIST);
|
|
for (j = 2 * i; j <= size * size; j += i) {
|
|
GValue v = { 0, };
|
|
|
|
g_value_init (&v, G_TYPE_INT);
|
|
g_value_set_int (&v, j);
|
|
gst_value_list_append_value (&list, &v);
|
|
g_value_unset (&v);
|
|
}
|
|
gst_value_subtract (&temp, sieve, &list);
|
|
g_value_unset (sieve);
|
|
gst_value_init_and_copy (sieve, &temp);
|
|
g_value_unset (&temp);
|
|
g_value_unset (&list);
|
|
/* g_print ("%2u: %s\n", i, gst_value_serialize (sieve)); */
|
|
}
|
|
|
|
g_print ("%s\n", gst_value_serialize (sieve));
|
|
}
|
|
|
|
gint
|
|
main (gint argc, gchar ** argv)
|
|
{
|
|
GValue up = { 0, };
|
|
GValue down = { 0, };
|
|
guint size = MAX_SIEVE;
|
|
|
|
gst_init (&argc, &argv);
|
|
|
|
if (argc > 1)
|
|
size = atol (argv[1]);
|
|
|
|
eratosthenes (&up, TRUE, size);
|
|
eratosthenes (&down, FALSE, size);
|
|
|
|
g_assert (gst_value_compare (&up, &down) == GST_VALUE_EQUAL);
|
|
return 0;
|
|
}
|