1 /* 2 * Copyright (C) 2010 Google Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package benchmarks.regression; 18 19 public class FloatBenchmark { 20 private float f = 1.2f; 21 private int i = 1067030938; 22 23 public void timeFloatToIntBits(int reps) { 24 int result = 123; 25 for (int rep = 0; rep < reps; ++rep) { 26 result = Float.floatToIntBits(f); 27 } 28 if (result != i) { 29 throw new RuntimeException(Integer.toString(result)); 30 } 31 } 32 33 public void timeFloatToRawIntBits(int reps) { 34 int result = 123; 35 for (int rep = 0; rep < reps; ++rep) { 36 result = Float.floatToRawIntBits(f); 37 } 38 if (result != i) { 39 throw new RuntimeException(Integer.toString(result)); 40 } 41 } 42 43 public void timeIntBitsToFloat(int reps) { 44 float result = 123.0f; 45 for (int rep = 0; rep < reps; ++rep) { 46 result = Float.intBitsToFloat(i); 47 } 48 if (result != f) { 49 throw new RuntimeException(Float.toString(result) + " " + Float.floatToRawIntBits(result)); 50 } 51 } 52 } 53
