blob: aa692ace56fdafee640fec66d20bd43d829abec6 [file] [log] [blame]
/*
* 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));
}
}
}