1 package hat;
 2 
 3 /*
 4  * Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
 5  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 6  *
 7  * This code is free software; you can redistribute it and/or modify it
 8  * under the terms of the GNU General Public License version 2 only, as
 9  * published by the Free Software Foundation.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22  * or visit www.oracle.com if you need additional information or have any
23  * questions.
24  */
25 
26 
27 import hat.buffer.S32Array;
28 import org.testng.Assert;
29 import org.testng.annotations.Test;
30 
31 import jdk.incubator.code.CodeReflection;
32 
33 import java.lang.invoke.MethodHandles;
34 
35 
36 /*
37  * @test
38  * @run testng hat.CustomOpTest
39  */
40 
41 public class SquaresTest {
42     @CodeReflection
43     public static void squareKernel(KernelContext kc, S32Array s32Array) {
44         if (kc.x<kc.maxX){
45             int value = s32Array.array(kc.x);     // arr[cc.x]
46             s32Array.array(kc.x, value * value);  // arr[cc.x]=value*value
47         }
48     }
49 
50     @CodeReflection
51     public static void square(ComputeContext cc, S32Array s32Array) {
52         cc.dispatchKernel(s32Array.length(),
53                 kc -> squareKernel(kc, s32Array)
54         );
55     }
56 
57   @Test
58        void    testSquares(){
59 
60         var accelerator = new Accelerator(MethodHandles.lookup());
61         var arr = S32Array.create(accelerator, 32);
62         for (int i = 0; i < arr.length(); i++) {
63             arr.array(i, i);
64         }
65         accelerator.compute(
66                 cc -> SquaresTest.square(cc, arr)  //QuotableComputeContextConsumer
67         );                                     //   extends Quotable, Consumer<ComputeContext>
68         for (int i = 0; i < arr.length(); i++) {
69             Assert.assertEquals(i*i, arr.array(i));
70         }
71     }
72 
73 }