/* * Copyright (c) 2018, 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. */ import java.lang.Float; import java.lang.RuntimeException; /* * @test Test8215902.java * @bug 8215902 * @summary Check a known imprecision in Linux ARM softfp implementation. * @run main Test8215902 * @author jakvanek */ public strictfp class Test8215902 { private static volatile Float a, b, c; private static volatile int bC; private static final int bA = 0x003fffff; private static final int bB = 0x00000001; private static final int bC_OK = 0x00400000; public static void main(String... args) { a = Float.intBitsToFloat(bA); b = Float.intBitsToFloat(bB); c = a + b; bC = Float.floatToRawIntBits(c); if (bC == bC_OK) { System.out.println("Passed."); } else { String msg = String.format("Failed.\nResult = 0x%08x|%1.60f\nExpected = 0x%08x|%1.60f", bC, c, bC_OK, Float.intBitsToFloat(bC_OK)); throw new RuntimeException(msg); } } }