usr/src/cmd/dtrace/test/tst/common/aggs/tst.lquantround.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 2006 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 #pragma D option quiet
  30
  31 /*
  32  * This test verifies that the height of the ASCII quantization bars is
  33  * determined using rounding and not truncated integer arithmetic.
  34  */
  35 tick-10ms
  36 /i++ >= 27/
  37 {
  38         exit(0);
  39 }
  40
  41 tick-10ms
  42 /i > 8/
  43 {
  44         @ = lquantize(2, 0, 4);
  45 }
  46
  47 tick-10ms
  48 /i > 2 && i <= 8/
  49 {
  50         @ = lquantize(1, 0, 4);
  51 }
  52
  53 tick-10ms
  54 /i <= 2/
  55 {
  56         @ = lquantize(0, 0, 4);
  57 }