Add the code.google.com/p/dalvik benchmarks to libcore.

I'll remove them from code.google.com afterwards.

Change-Id: I369a301ed0e116c7971caebc607c5a86d06d4ee2

1 files changed, 56 insertions, 0 deletions

diff --git a/benchmarks/regression/DoubleBenchmark.java b/benchmarks/regression/DoubleBenchmark.java
new file mode 100644
index 0000000..aa692ac
--- /dev/null
+++ b/benchmarks/regression/DoubleBenchmark.java
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2010 Google Inc.
+ *
+ * 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 benchmarks.regression;
+
+import com.google.caliper.Param;
+import com.google.caliper.Runner;
+import com.google.caliper.SimpleBenchmark;
+
+public class DoubleBenchmark extends SimpleBenchmark {
+    private double d = 1.2;
+    private long l = 4608083138725491507L;
+
+    public void timeDoubleToLongBits(int reps) {
+        long result = 123;
+        for (int rep = 0; rep < reps; ++rep) {
+            result = Double.doubleToLongBits(d);
+        }
+        if (result != l) {
+            throw new RuntimeException(Long.toString(result));
+        }
+    }
+
+    public void timeDoubleToRawLongBits(int reps) {
+        long result = 123;
+        for (int rep = 0; rep < reps; ++rep) {
+            result = Double.doubleToRawLongBits(d);
+        }
+        if (result != l) {
+            throw new RuntimeException(Long.toString(result));
+        }
+    }
+
+    public void timeLongBitsToDouble(int reps) {
+        double result = 123.0;
+        for (int rep = 0; rep < reps; ++rep) {
+            result = Double.longBitsToDouble(l);
+        }
+        if (result != d) {
+            throw new RuntimeException(Double.toString(result) + " " + Double.doubleToRawLongBits(result));
+        }
+    }
+}