1 /* 2 * Copyright (c) 2008, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * 27 * @summary converted from VM Testbase jit/wide/wide02. 28 * VM Testbase keywords: [jit, quick] 29 * 30 * @library /vmTestbase 31 * /test/lib 32 * @run driver jdk.test.lib.FileInstaller . . 33 * @build jit.wide.wide02.wide02 34 * @run driver ExecDriver --java jit.wide.wide02.wide02 35 */ 36 37 package jit.wide.wide02; 38 39 import nsk.share.TestFailure; 40 41 /* 42 Check for intermediate results that are too wide. 43 The too-wide.java test will fail if the the result of the 44 expression (f0+f24) is maintained in greater-than-float precision 45 or if the result of the expression (d0+d53) is maintained in 46 greater-than-double precision. 47 */ 48 class wide02 49 { 50 static double twoto(int n) { 51 double res = 1.0; 52 while(n > 0) { 53 res *= 2.0; 54 n -= 1; 55 } 56 return res; 57 } 58 59 public static void main(String[] arg) { 60 float f0 = (float) twoto(0); 61 float f24 = (float) twoto(24); 62 if(f0 + f24 + f0 == f24) 63 System.out.println("Float test PASSES."); 64 else 65 throw new TestFailure("Float test FAILS"); 66 67 double d0 = twoto(0); 68 double d53 = twoto(53); 69 if(d0 + d53 + d0 == d53) 70 System.out.println("Double test PASSES."); 71 else 72 throw new TestFailure("Double test FAILS"); 73 } 74 }