Initial import

[jpf-core.git] / src / main / gov / nasa / jpf / vm / choice / DoubleChoiceFromList.java

diff --git a/src/main/gov/nasa/jpf/vm/choice/DoubleChoiceFromList.java b/src/main/gov/nasa/jpf/vm/choice/DoubleChoiceFromList.java
new file mode 100644 (file)
index 0000000..5b3cf95
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+++ b/src/main/gov/nasa/jpf/vm/choice/DoubleChoiceFromList.java
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2014, United States Government, as represented by the
+ * Administrator of the National Aeronautics and Space Administration.
+ * All rights reserved.
+ *
+ * The Java Pathfinder core (jpf-core) platform is licensed under the
+ * Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ *        http://www.apache.org/licenses/LICENSE-2.0. 
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and 
+ * limitations under the License.
+ */
+package gov.nasa.jpf.vm.choice;
+
+import gov.nasa.jpf.Config;
+import gov.nasa.jpf.JPFException;
+import gov.nasa.jpf.vm.DoubleChoiceGenerator;
+
+/**
+ * simple DoubleChoiceGenerator that takes it's values from a single
+ * property "values" (comma or blank separated list)
+ * 
+ */
+public class DoubleChoiceFromList extends NumberChoiceFromList<Double> implements DoubleChoiceGenerator {
+
+  @Override
+  protected Double[] createValueArray(int len) {
+    return new Double[len];
+  }
+
+  @Override
+  protected Double getDefaultValue() {
+    return 0.0;
+  }
+
+  @Override
+  public Class<Double> getChoiceType() {
+    return Double.class;
+  }
+
+  @Override
+  protected Double parseLiteral(String literal, int sign) {
+    double val = Double.parseDouble(literal);
+    return new Double(val * sign);
+  }
+
+  @Override
+  protected Double newValue(Number num, int sign) {
+    return new Double(num.intValue() * sign);
+  }
+
+  /**
+   * super constructor for subclasses that want to configure themselves
+   * 
+   * @param id
+   *          name used in choice config
+   */
+  protected DoubleChoiceFromList(String id) {
+    super(id);
+  }
+
+  protected DoubleChoiceFromList(String id, Double[] vals) {
+    super(id, vals);
+  }
+
+  public DoubleChoiceFromList(Config conf, String id) {
+    super(conf, id);
+  }
+
+  public DoubleChoiceFromList(String id, double... val) {
+    super(id);
+
+    if (val != null) {
+      values = new Double[val.length];
+      for (int i = 0; i < val.length; i++) {
+        values[i] = val[i]; // enable use of cached Double values
+      }
+    } else {
+      throw new JPFException("empty set for DoubleChoiceFromList");
+    }
+
+    count = -1;
+  }
+}