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view graal/com.oracle.graal.compiler.hsail.test/src/com/oracle/graal/compiler/hsail/test/DoubleRintTest.java @ 14607:7573ba6dfba2
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author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Tue, 18 Mar 2014 15:32:56 -0700 |
parents | d3b3c6e17d40 |
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/* * Copyright (c) 2009, 2013, 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; import org.junit.*; import com.oracle.graal.compiler.hsail.test.infra.*; /** * Tests intrinsic for Math.rint(). Generates an rint_f64 instruction. */ public class DoubleRintTest extends GraalKernelTester { static final int size = 64; @Result double[] out = new double[size]; /** * The static "kernel" method we will be testing. This method calls Math.rint() on an element of * an input array and writes the result to the corresponding index of an output array. By * convention the gid is the last parameter. * * @param out the output array. * @param in the input array. * @param gid the parameter used to index into the input and output arrays. */ public static void run(double[] out, double[] in, int gid) { out[gid] = Math.rint(in[gid]); } /** * Initialize input arrays. * * @param in the input array */ void setupArrays(double[] in) { // Initialize input array with a mix of positive and negative values and corner cases. for (int i = 0; i < size; i++) { if (i == 1) { in[i] = Double.NaN; } else if (i == 2) { in[i] = Double.NEGATIVE_INFINITY; } else if (i == 3) { in[i] = Double.POSITIVE_INFINITY; } else if (i == 4) { in[i] = 0.0; } else if (i == 5) { in[i] = -0.0; } else { in[i] = i < size / 2 ? i + 0.5 : -i - 0.6; } out[i] = 0; } } /** * Dispatches the HSAIL kernel for this test case. */ @Override public void runTest() { double[] inArray = new double[size]; setupArrays(inArray); dispatchMethodKernel(size, out, inArray); } /** * Tests the HSAIL code generated for this unit test by comparing the result of executing this * code with the result of executing a sequential Java version of this unit test. */ @Test public void test() { testGeneratedHsail(); } }