Mercurial > hg > truffle
annotate graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/util/NodesToDoubles.java @ 9467:3531cdfddff6
Ensure probabilities are never negative. Add additional assertions.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Wed, 01 May 2013 16:30:52 +0200 |
parents | 8f01fe16e473 |
children | 4278ab23c66f |
rev | line source |
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1 /* |
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2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 package com.oracle.graal.nodes.util; |
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24 |
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25 import java.util.*; |
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26 |
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27 import com.oracle.graal.nodes.*; |
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28 |
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29 public class NodesToDoubles { |
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30 |
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31 private final IdentityHashMap<FixedNode, Double> nodeProbabilities; |
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32 |
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33 public NodesToDoubles(int numberOfNodes) { |
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34 this.nodeProbabilities = new IdentityHashMap<>(numberOfNodes); |
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35 } |
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36 |
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37 public void put(FixedNode n, double value) { |
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38 assert value >= 0.0; |
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39 nodeProbabilities.put(n, value); |
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40 } |
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41 |
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42 public double get(FixedNode n) { |
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43 Double value = nodeProbabilities.get(n); |
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44 assert value != null; |
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45 return value; |
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46 } |
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47 } |