Mercurial > hg > Members > kono > jpf-core

annotate src/main/gov/nasa/jpf/vm/choice/DoubleChoiceFromList.java @ 0:61d41facf527

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initial v8 import (history reset)
author Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
date Fri, 23 Jan 2015 10:14:01 -0800
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1 /*
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2 * Copyright (C) 2014, United States Government, as represented by the
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3 * Administrator of the National Aeronautics and Space Administration.
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4 * All rights reserved.
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5 *
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6 * The Java Pathfinder core (jpf-core) platform is licensed under the
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7 * Apache License, Version 2.0 (the "License"); you may not use this file except
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8 * in compliance with the License. You may obtain a copy of the License at
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9 *
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10 * http://www.apache.org/licenses/LICENSE-2.0.
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11 *
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12 * Unless required by applicable law or agreed to in writing, software
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13 * distributed under the License is distributed on an "AS IS" BASIS,
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14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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15 * See the License for the specific language governing permissions and
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16 * limitations under the License.
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17 */
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18 package gov.nasa.jpf.vm.choice;
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19
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20 import gov.nasa.jpf.Config;
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21 import gov.nasa.jpf.JPFException;
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22 import gov.nasa.jpf.vm.DoubleChoiceGenerator;
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23
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24 /**
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25 * simple DoubleChoiceGenerator that takes it's values from a single
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26 * property "values" (comma or blank separated list)
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27 *
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28 */
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29 public class DoubleChoiceFromList extends NumberChoiceFromList<Double> implements DoubleChoiceGenerator {
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30
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31 @Override
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32 protected Double[] createValueArray(int len) {
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33 return new Double[len];
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34 }
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35
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36 @Override
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37 protected Double getDefaultValue() {
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38 return 0.0;
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39 }
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40
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41 @Override
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42 public Class<Double> getChoiceType() {
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43 return Double.class;
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44 }
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45
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46 @Override
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47 protected Double parseLiteral(String literal, int sign) {
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48 double val = Double.parseDouble(literal);
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49 return new Double(val * sign);
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50 }
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51
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52 @Override
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53 protected Double newValue(Number num, int sign) {
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54 return new Double(num.intValue() * sign);
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55 }
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56
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57 /**
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58 * super constructor for subclasses that want to configure themselves
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59 *
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60 * @param id
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61 * name used in choice config
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62 */
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63 protected DoubleChoiceFromList(String id) {
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64 super(id);
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65 }
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66
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67 protected DoubleChoiceFromList(String id, Double[] vals) {
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68 super(id, vals);
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69 }
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70
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71 public DoubleChoiceFromList(Config conf, String id) {
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72 super(conf, id);
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73 }
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74
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75 public DoubleChoiceFromList(String id, double... val) {
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76 super(id);
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77
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78 if (val != null) {
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79 values = new Double[val.length];
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80 for (int i = 0; i < val.length; i++) {
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81 values[i] = val[i]; // enable use of cached Double values
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82 }
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83 } else {
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84 throw new JPFException("empty set for DoubleChoiceFromList");
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85 }
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86
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87 count = -1;
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88 }
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89 }