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annotate graal/com.oracle.graal.compiler.hsail.test/src/com/oracle/graal/compiler/hsail/test/DoubleSqrtTest.java @ 18506:97026ca2a86e

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Truffle: allow @CompilationFinal on static fields
author Andreas Woess <andreas.woess@jku.at>
date Tue, 25 Nov 2014 13:08:57 +0100
parents d3b3c6e17d40
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2009, 2013, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23
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24 package com.oracle.graal.compiler.hsail.test;
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25
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26 import org.junit.*;
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27
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28 import com.oracle.graal.compiler.hsail.test.infra.*;
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29
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30 /**
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31 * Tests intrinsic for call to Math.sqrt(double). Generates a sqrt_f64 instruction.
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32 */
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33 public class DoubleSqrtTest extends GraalKernelTester {
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34
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35 static final int size = 64;
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36 @Result double[] out = new double[size];
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37
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38 /**
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39 * The static "kernel" method we will be testing. This method calls Math.sqrt() on an element of
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40 * an input array and writes the result to the corresponding index of an output array. By
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41 * convention the gid is the last parameter.
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42 *
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43 * @param out the output array.
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44 * @param in the input array.
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45 * @param gid the parameter used to index into the input and output arrays.
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46 */
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47 public static void run(double[] in, double[] out, int gid) {
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48 out[gid] = Math.sqrt(in[gid]);
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49 }
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50
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51 /**
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52 * Initializes the input and output arrays passed to the run routine.
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53 *
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54 * @param in the input array.
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55 */
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56 void setupArrays(double[] in) {
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57 for (int i = 0; i < size; i++) {
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58 // Include positive and negative values as well as corner cases.
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59 if (i == 1) {
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60 in[i] = Double.NaN;
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61 } else if (i == 2) {
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62 in[i] = Double.NEGATIVE_INFINITY;
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63 } else if (i == 3) {
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64 in[i] = Double.POSITIVE_INFINITY;
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65 } else if (i == 4) {
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66 in[i] = -0.0;
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67 } else if (i > 5 && i < 10) {
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68 in[i] = i + 0.5;
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69 } else {
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70 in[i] = i < size / 2 ? i : -i;
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71 }
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72 out[i] = 0;
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73 }
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74 }
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75
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76 /**
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77 * Dispatches the HSAIL kernel for this test case.
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78 */
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79 @Override
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80 public void runTest() {
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81 double[] inArray = new double[size];
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82 setupArrays(inArray);
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83 dispatchMethodKernel(size, inArray, out);
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84 }
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85
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86 /**
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87 * Tests the HSAIL code generated for this unit test by comparing the result of executing this
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88 * code with the result of executing a sequential Java version of this unit test.
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89 */
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90 @Test
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91 public void test() {
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92 testGeneratedHsail();
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93 }
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94 }