Merge branch 'master' into jarodwen/hotfix/issue473
diff --git a/asterix-app/src/test/resources/runtimets/queries/numeric/caret0/caret0.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/numeric/caret0/caret0.1.ddl.aql
new file mode 100644
index 0000000..139597f
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/numeric/caret0/caret0.1.ddl.aql
@@ -0,0 +1,2 @@
+
+
diff --git a/asterix-app/src/test/resources/runtimets/queries/numeric/caret0/caret0.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/numeric/caret0/caret0.2.update.aql
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/numeric/caret0/caret0.2.update.aql
diff --git a/asterix-app/src/test/resources/runtimets/queries/numeric/caret0/caret0.3.query.aql b/asterix-app/src/test/resources/runtimets/queries/numeric/caret0/caret0.3.query.aql
new file mode 100644
index 0000000..825b269
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/numeric/caret0/caret0.3.query.aql
@@ -0,0 +1,5 @@
+let $n1 := 2.0
+let $n2 := 4096.0
+let $n3 := 3
+let $n4 := 2
+return { "c1": $n1^$n2, "c2": $n2^$n1, "c3": $n3^$n4 }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/results/numeric/caret0/caret0.1.adm b/asterix-app/src/test/resources/runtimets/results/numeric/caret0/caret0.1.adm
new file mode 100644
index 0000000..1edec8a
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/results/numeric/caret0/caret0.1.adm
@@ -0,0 +1 @@
+{ "c1": Infinityd, "c2": 1.6777216E7d, "c3": 9 }
diff --git a/asterix-app/src/test/resources/runtimets/testsuite.xml b/asterix-app/src/test/resources/runtimets/testsuite.xml
index 1fb101d..a7e680b 100644
--- a/asterix-app/src/test/resources/runtimets/testsuite.xml
+++ b/asterix-app/src/test/resources/runtimets/testsuite.xml
@@ -2155,6 +2155,11 @@
   </test-group>
   <test-group name="numeric">
     <test-case FilePath="numeric">
+      <compilation-unit name="caret0">
+        <output-dir compare="Text">caret0</output-dir>
+      </compilation-unit>
+    </test-case>
+    <test-case FilePath="numeric">
       <compilation-unit name="abs0">
         <output-dir compare="Text">abs0</output-dir>
       </compilation-unit>
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericCaretDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericCaretDescriptor.java
new file mode 100644
index 0000000..208c454
--- /dev/null
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericCaretDescriptor.java
@@ -0,0 +1,64 @@
+/*
+ * Copyright 2009-2013 by The Regents of the University of California
+ * 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 from
+ * 
+ *     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 edu.uci.ics.asterix.runtime.evaluators.functions;
+
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
+import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
+import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
+import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
+import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+
+public class NumericCaretDescriptor extends AbstractNumericArithmeticEval {
+
+    private static final long serialVersionUID = 1L;
+
+    public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
+        public IFunctionDescriptor createFunctionDescriptor() {
+            return new NumericCaretDescriptor();
+        }
+    };
+
+    /* (non-Javadoc)
+     * @see edu.uci.ics.asterix.runtime.evaluators.functions.AbstractNumericArithmeticEval#evaluateInteger(long, long)
+     */
+    @Override
+    protected long evaluateInteger(long lhs, long rhs) throws HyracksDataException {
+        double result = Math.pow(lhs, rhs);
+        if (result > Long.MAX_VALUE) {
+            throw new ArithmeticException("Overflow of caret operation: " + lhs + " ^ " + rhs);
+        }
+        if (result < Long.MIN_VALUE) {
+            throw new ArithmeticException("Underflow of caret operation: " + lhs + " ^ " + rhs);
+        }
+        return (long) result;
+    }
+
+    /* (non-Javadoc)
+     * @see edu.uci.ics.asterix.runtime.evaluators.functions.AbstractNumericArithmeticEval#evaluateDouble(double, double)
+     */
+    @Override
+    protected double evaluateDouble(double lhs, double rhs) throws HyracksDataException {
+        return Math.pow(lhs, rhs);
+    }
+
+    /* (non-Javadoc)
+     * @see edu.uci.ics.asterix.om.functions.AbstractFunctionDescriptor#getIdentifier()
+     */
+    @Override
+    public FunctionIdentifier getIdentifier() {
+        return AsterixBuiltinFunctions.CARET;
+    }
+
+}
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/formats/NonTaggedDataFormat.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/formats/NonTaggedDataFormat.java
index 2c81b7c..af647e9 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/formats/NonTaggedDataFormat.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/formats/NonTaggedDataFormat.java
@@ -149,6 +149,7 @@
 import edu.uci.ics.asterix.runtime.evaluators.functions.NotNullDescriptor;
 import edu.uci.ics.asterix.runtime.evaluators.functions.NumericAbsDescriptor;
 import edu.uci.ics.asterix.runtime.evaluators.functions.NumericAddDescriptor;
+import edu.uci.ics.asterix.runtime.evaluators.functions.NumericCaretDescriptor;
 import edu.uci.ics.asterix.runtime.evaluators.functions.NumericCeilingDescriptor;
 import edu.uci.ics.asterix.runtime.evaluators.functions.NumericDivideDescriptor;
 import edu.uci.ics.asterix.runtime.evaluators.functions.NumericFloorDescriptor;
@@ -347,6 +348,7 @@
         temp.add(NumericMultiplyDescriptor.FACTORY);
         temp.add(NumericSubtractDescriptor.FACTORY);
         temp.add(NumericModuloDescriptor.FACTORY);
+        temp.add(NumericCaretDescriptor.FACTORY);
         temp.add(IsNullDescriptor.FACTORY);
         temp.add(NotDescriptor.FACTORY);
         temp.add(LenDescriptor.FACTORY);