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[FreeBSD/stable/10.git] / cddl / contrib / opensolaris / cmd / dtrace / test / tst / common / aggs / tst.stddev.d
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21
22 /*
23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26
27 /*
28  * ASSERTION:
29  *     Positive stddev() test
30  *
31  * SECTION: Aggregations/Aggregations
32  *
33  * NOTES: This is a simple verifiable positive test of the stddev() function.
34  *     printa() for one aggregation, default printing behavior for the other
35  *     so that we exercise both code paths.
36  */
37
38 #pragma D option quiet
39
40 BEGIN
41 {
42         @a = stddev(5000000000);
43         @a = stddev(5000000100);
44         @a = stddev(5000000200);
45         @a = stddev(5000000300);
46         @a = stddev(5000000400);
47         @a = stddev(5000000500);
48         @a = stddev(5000000600);
49         @a = stddev(5000000700);
50         @a = stddev(5000000800);
51         @a = stddev(5000000900);
52         @b = stddev(-5000000000);
53         @b = stddev(-5000000100);
54         @b = stddev(-5000000200);
55         @b = stddev(-5000000300);
56         @b = stddev(-5000000400);
57         @b = stddev(-5000000500);
58         @b = stddev(-5000000600);
59         @b = stddev(-5000000700);
60         @b = stddev(-5000000800);
61         @b = stddev(-5000000900);
62         printa("%@d\n", @a);
63         exit(0);
64 }