--- /dev/null 2015-11-23 13:25:29.000000000 -0800 +++ new/src/java.desktop/share/classes/sun/java2d/marlin/stats/StatLong.java 2015-11-23 13:25:29.000000000 -0800 @@ -0,0 +1,97 @@ +/* + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the LICENSE file that accompanied this code. + * + * This code 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 + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +package sun.java2d.marlin.stats; + +/** + * Statistics as long values + */ +public class StatLong { + + public final String name; + public long count = 0l; + public long sum = 0l; + public long min = Integer.MAX_VALUE; + public long max = Integer.MIN_VALUE; + + public StatLong(final String name) { + this.name = name; + } + + public void reset() { + count = 0l; + sum = 0l; + min = Integer.MAX_VALUE; + max = Integer.MIN_VALUE; + } + + public void add(final int val) { + count++; + sum += val; + if (val < min) { + min = val; + } + if (val > max) { + max = val; + } + } + + public void add(final long val) { + count++; + sum += val; + if (val < min) { + min = val; + } + if (val > max) { + max = val; + } + } + + @Override + public String toString() { + final StringBuilder sb = new StringBuilder(128); + toString(sb); + return sb.toString(); + } + + public final StringBuilder toString(final StringBuilder sb) { + sb.append(name).append('[').append(count); + sb.append("] sum: ").append(sum).append(" avg: "); + sb.append(trimTo3Digits(((double) sum) / count)); + sb.append(" [").append(min).append(" | ").append(max).append("]"); + return sb; + } + + /** + * Adjust the given double value to keep only 3 decimal digits + * + * @param value value to adjust + * @return double value with only 3 decimal digits + */ + public static double trimTo3Digits(final double value) { + return ((long) (1e3d * value)) / 1e3d; + } +} +