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/*
* Copyright (C) 2014 The Android Open Source Project
*
* 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 android.util;
import com.google.caliper.Param;
import com.google.caliper.Runner;
import com.google.caliper.SimpleBenchmark;
import android.util.FloatMath;
public class FloatMathBenchmark extends SimpleBenchmark {
public float timeFloatMathCeil(int reps) {
// Keep an answer so we don't optimize the method call away.
float f = 0.0f;
for (int i = 0; i < reps; i++) {
f += FloatMath.ceil(100.123f);
}
return f;
}
public float timeFloatMathCeil_math(int reps) {
// Keep an answer so we don't optimize the method call away.
float f = 0.0f;
for (int i = 0; i < reps; i++) {
f += (float) Math.ceil(100.123f);
}
return f;
}
public float timeFloatMathCos(int reps) {
// Keep an answer so we don't optimize the method call away.
float f = 0.0f;
for (int i = 0; i < reps; i++) {
f += FloatMath.cos(100.123f);
}
return f;
}
public float timeFloatMathExp(int reps) {
// Keep an answer so we don't optimize the method call away.
float f = 0.0f;
for (int i = 0; i < reps; i++) {
f += FloatMath.exp(100.123f);
}
return f;
}
public float timeFloatMathFloor(int reps) {
// Keep an answer so we don't optimize the method call away.
float f = 0.0f;
for (int i = 0; i < reps; i++) {
f += FloatMath.floor(100.123f);
}
return f;
}
public float timeFloatMathHypot(int reps) {
// Keep an answer so we don't optimize the method call away.
float f = 0.0f;
for (int i = 0; i < reps; i++) {
f += FloatMath.hypot(100.123f, 100.123f);
}
return f;
}
public float timeFloatMathPow(int reps) {
// Keep an answer so we don't optimize the method call away.
float f = 0.0f;
for (int i = 0; i < reps; i++) {
f += FloatMath.pow(10.123f, 10.123f);
}
return f;
}
public float timeFloatMathSin(int reps) {
// Keep an answer so we don't optimize the method call away.
float f = 0.0f;
for (int i = 0; i < reps; i++) {
f += FloatMath.sin(100.123f);
}
return f;
}
public float timeFloatMathSqrt(int reps) {
// Keep an answer so we don't optimize the method call away.
float f = 0.0f;
for (int i = 0; i < reps; i++) {
f += FloatMath.sqrt(100.123f);
}
return f;
}
public float timeFloatMathSqrt_math(int reps) {
// Keep an answer so we don't optimize the method call away.
float f = 0.0f;
for (int i = 0; i < reps; i++) {
f += (float) Math.sqrt(100.123f);
}
return f;
}
}
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