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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.
*/
public class Main {
public static void main(String[] args) {
assertEquals(4.2f, returnFloat());
float[] a = new float[2];
a[0] = 42.2f;
a[1] = 3.2f;
assertEquals(45.4f, returnFloat(a));
assertEquals(4.4, returnDouble());
double[] b = new double[1];
b[0] = 42.4;
assertEquals(42.4, returnDouble(b));
assertEquals(4.2f, invokeReturnFloat());
assertEquals(4.4, invokeReturnDouble());
assertEquals(4.2f, takeAFloat(4.2f));
assertEquals(3.1, takeADouble(3.1));
assertEquals(12.7, takeThreeDouble(3.1, 4.4, 5.2));
assertEquals(12.7f, takeThreeFloat(3.1f, 4.4f, 5.2f));
assertEquals(4.2f, invokeTakeAFloat(4.2f));
assertEquals(3.1, invokeTakeADouble(3.1));
assertEquals(12.7, invokeTakeThreeDouble(3.1, 4.4, 5.2));
assertEquals(12.7f, invokeTakeThreeFloat(3.1f, 4.4f, 5.2f));
testArrayOperations(new float[2], 0, 1.2f, 3.4f);
testArrayOperations(new double[2], 0, 4.1, 7.6);
}
public static float invokeReturnFloat() {
return returnFloat();
}
public static double invokeReturnDouble() {
return returnDouble();
}
public static float returnFloat() {
return 4.2f;
}
public static float returnFloat(float[] a) {
return a[0] + a[1];
}
public static double returnDouble() {
return 4.4;
}
public static double returnDouble(double[] a) {
return a[0];
}
public static float takeAFloat(float a) {
return a;
}
public static double takeADouble(double a) {
return a;
}
public static double takeThreeDouble(double a, double b, double c) {
return a + b + c;
}
public static float takeThreeFloat(float a, float b, float c) {
return a + b + c;
}
public static float invokeTakeAFloat(float a) {
return takeAFloat(a);
}
public static double invokeTakeADouble(double a) {
return takeADouble(a);
}
public static double invokeTakeThreeDouble(double a, double b, double c) {
return takeThreeDouble(a, b, c);
}
public static float invokeTakeThreeFloat(float a, float b, float c) {
return takeThreeFloat(a, b, c);
}
// Test simple operations on a float array to ensure the register allocator works
// properly.
public static void testArrayOperations(float[] a, int index, float value1, float value2) {
a[0] = value1;
a[1] = value2;
assertEquals(value1 + value2, a[0] + a[1]);
a[0] = 0.0f;
a[1] = 0.0f;
assertEquals(0.0f, a[0] + a[1]);
a[index] = value1;
a[index + 1] = value2;
assertEquals(value1 + value2, a[0] + a[1]);
}
// Test simple operations on a double array to ensure the register allocator works
// properly.
public static void testArrayOperations(double[] a, int index, double value1, double value2) {
a[0] = value1;
a[1] = value2;
assertEquals(value1 + value2, a[0] + a[1]);
a[0] = 0.0;
a[1] = 0.0;
assertEquals(0.0, a[0] + a[1]);
a[index] = value1;
a[index + 1] = value2;
assertEquals(value1 + value2, a[0] + a[1]);
}
public static void assertEquals(float expected, float actual) {
if (expected != actual) {
throw new AssertionError("Expected " + expected + " got " + actual);
}
}
public static void assertEquals(double expected, double actual) {
if (expected != actual) {
throw new AssertionError("Expected " + expected + " got " + actual);
}
}
}
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