73 lines
2.2 KiB
Java
73 lines
2.2 KiB
Java
/*
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* Copyright (c) 2008, 2020, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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*
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* @summary converted from VM Testbase jit/wide/wide02.
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* VM Testbase keywords: [jit, quick]
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*
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* @library /vmTestbase
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* /test/lib
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* @run main/othervm jit.wide.wide02.wide02
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*/
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package jit.wide.wide02;
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import nsk.share.TestFailure;
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/*
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Check for intermediate results that are too wide.
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The too-wide.java test will fail if the the result of the
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expression (f0+f24) is maintained in greater-than-float precision
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or if the result of the expression (d0+d53) is maintained in
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greater-than-double precision.
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*/
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public class wide02
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{
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static double twoto(int n) {
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double res = 1.0;
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while(n > 0) {
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res *= 2.0;
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n -= 1;
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}
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return res;
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}
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public static void main(String[] arg) {
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float f0 = (float) twoto(0);
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float f24 = (float) twoto(24);
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if(f0 + f24 + f0 == f24)
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System.out.println("Float test PASSES.");
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else
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throw new TestFailure("Float test FAILS");
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double d0 = twoto(0);
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double d53 = twoto(53);
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if(d0 + d53 + d0 == d53)
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System.out.println("Double test PASSES.");
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else
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throw new TestFailure("Double test FAILS");
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}
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}
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