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view graal/com.oracle.graal.compiler.hsail.test/src/com/oracle/graal/compiler/hsail/test/lambda/MandelInstanceTest.java @ 18163:c88ab4f1f04a
re-enabled Checkstyle with the release of 6.0 that supports Java 8; fixed existing Checkstyle warnings
author | Doug Simon <doug.simon@oracle.com> |
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date | Fri, 24 Oct 2014 16:18:10 +0200 |
parents | 976c6cb2bf69 |
children |
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/* * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.compiler.hsail.test.lambda; import com.oracle.graal.compiler.hsail.test.infra.GraalKernelTester; import org.junit.Test; /** * Tests mandel as an instance lambda. */ public class MandelInstanceTest extends GraalKernelTester { static final int WIDTH = 768; static final int HEIGHT = WIDTH; static final int maxIterations = 64; static final int RANGE = WIDTH * HEIGHT; @Result public int[] rgb = new int[RANGE]; int[] palette = new int[256]; void setupPalette(int[] in) { for (int i = 0; i < in.length; i++) { in[i] = i; } } @Override public void runTest() { setupPalette(palette); float xOffset = -1f; float yOffset = 0f; float scale = 3f; // call it for a range, specifying the lambda dispatchLambdaKernel(RANGE, (gid) -> { final int width = WIDTH; final int height = HEIGHT; float lx = (((gid % width * scale) - ((scale / 2) * width)) / width) + xOffset; float ly = (((gid / width * scale) - ((scale / 2) * height)) / height) + yOffset; int count = 0; float zx = lx; float zy = ly; float newZx = 0f; // Iterate until the algorithm converges or until maxIterations are reached. while (count < maxIterations && zx * zx + zy * zy < 8) { newZx = zx * zx - zy * zy + lx; zy = 2 * zx * zy + ly; zx = newZx; count++; } rgb[gid] = palette[count]; }); } @Test public void test() { testGeneratedHsail(); } @Test public void testUsingLambdaMethod() { testGeneratedHsailUsingLambdaMethod(); } }