| /* |
| * Copyright (c) 2011, 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 org.graalvm.compiler.jtt.lang; |
| |
| import org.graalvm.compiler.jtt.JTTTest; |
| import org.graalvm.compiler.options.OptionValues; |
| |
| import jdk.vm.ci.meta.ResolvedJavaMethod; |
| |
| public abstract class UnaryMath extends JTTTest { |
| |
| private static final long STEP = Long.MAX_VALUE / 1_000_000; |
| |
| /** |
| * Tests a unary {@link Math} method on a wide range of values. |
| */ |
| void testManyValues(OptionValues options, ResolvedJavaMethod method) throws AssertionError { |
| if (!Java8OrEarlier) { |
| /* |
| * GR-8276: Allow for variance on JVMCI > 8 until a JVMCI version that includes |
| * https://github.com/graalvm/graal-jvmci-8/commit/ |
| * c86fb66f86b8d52a08dd2495d34879d3730f9987 or Graal has stubs that a monotonic with |
| * other HotSpot implementations of these Math routines. |
| */ |
| ulpDelta = 2D; |
| } else { |
| /* |
| * Forces the assertion message shows the ulps by which a computed result is wrong. |
| */ |
| ulpDelta = 0D; |
| } |
| Object receiver = null; |
| long testIteration = 0; |
| for (long l = Long.MIN_VALUE;; l += STEP) { |
| double d = Double.longBitsToDouble(l); |
| Result expect = executeExpected(method, receiver, d); |
| try { |
| testAgainstExpected(options, method, expect, EMPTY, receiver, d); |
| testIteration++; |
| } catch (AssertionError e) { |
| throw new AssertionError(String.format("%d: While testing %g [long: %d, hex: %x]", testIteration, d, l, l), e); |
| } |
| if (Long.MAX_VALUE - STEP < l) { |
| break; |
| } |
| } |
| } |
| } |
