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undefect. CWE-407 — 63 sites patched across 27 ecosystems

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Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.
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russell@unturf.com 2026-03-26 17:11:57 -04:00
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test/micro/org/openjdk/bench/java/lang/SinhPerf.java Normal file
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/*
* Copyright (c) 2025, 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.openjdk.bench.java.lang;
import java.util.concurrent.TimeUnit;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Fork;
import org.openjdk.jmh.annotations.Measurement;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.Param;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.Setup;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.annotations.Level;
import org.openjdk.jmh.annotations.Warmup;
import org.openjdk.jmh.annotations.OperationsPerInvocation;
import org.openjdk.jmh.annotations.OutputTimeUnit;
import org.openjdk.jmh.runner.Runner;
import org.openjdk.jmh.runner.RunnerException;
import org.openjdk.jmh.runner.options.Options;
import org.openjdk.jmh.runner.options.OptionsBuilder;
import java.util.Random;
public class SinhPerf {
@Warmup(iterations = 3, time = 5, timeUnit = TimeUnit.MILLISECONDS)
@Measurement(iterations = 4, time = 5, timeUnit = TimeUnit.MILLISECONDS)
@Fork(2)
@BenchmarkMode(Mode.Throughput)
@State(Scope.Thread)
@OutputTimeUnit(TimeUnit.MILLISECONDS)
public static class SinhPerfRanges {
public static int sinhInputCount = 2048;
@Param({"0", "1", "2", "3", "4"})
public int sinhRangeIndex;
public double [] sinhPosRandInputs;
public double [] sinhNegRandInputs;
public int sinhInputIndex = 0;
public double sinhRangeInputs[][] = { {0.0, 0x1.0P-28},
{0x1.0P-28, 22.0},
{22.0, Math.log(Double.MAX_VALUE)},
{Math.log(Double.MAX_VALUE), Double.longBitsToDouble(0x408633CE8FB9F87DL)},
{Double.longBitsToDouble(0x408633CE8FB9F87DL), Double.MAX_VALUE} };
@Setup
public void setupValues() {
Random random = new Random(1023);
// Fill the positive and negative sinh vectors with random values
sinhPosRandInputs = new double[sinhInputCount];
sinhNegRandInputs = new double[sinhInputCount];
for (int i = 0; i < sinhInputCount; i++) {
double sinhLowerBound = sinhRangeInputs[sinhRangeIndex][0];
double sinhUpperBound = sinhRangeInputs[sinhRangeIndex][1];
sinhPosRandInputs[i] = random.nextDouble(sinhLowerBound, sinhUpperBound);
sinhNegRandInputs[i] = random.nextDouble(-sinhUpperBound, -sinhLowerBound);
}
}
@Benchmark
@OperationsPerInvocation(2048)
public double sinhPosRangeDouble() {
double res = 0.0;
for (int i = 0; i < sinhInputCount; i++) {
res += Math.sinh(sinhPosRandInputs[i]);
}
return res;
}
@Benchmark
@OperationsPerInvocation(2048)
public double sinhNegRangeDouble() {
double res = 0.0;
for (int i = 0; i < sinhInputCount; i++) {
res += Math.sinh(sinhNegRandInputs[i]);
}
return res;
}
}
@Warmup(iterations = 3, time = 5, timeUnit = TimeUnit.SECONDS)
@Measurement(iterations = 4, time = 5, timeUnit = TimeUnit.SECONDS)
@Fork(2)
@BenchmarkMode(Mode.Throughput)
@State(Scope.Thread)
@OutputTimeUnit(TimeUnit.MILLISECONDS)
public static class SinhPerfConstant {
public static final double constDoubleTiny = 0x1.0P-30;
public static final double constDoubleSmall = 0x1.0P-27;
public static final double constDouble21 = 21.0;
public static final double constDouble23 = 23.0;
public static final double constDoubleLarge = Math.log(Double.MAX_VALUE) + 0.5;
public static final double constDoubleOverflow = 0x1.0P10;
@Benchmark
public double sinhConstDoubleTiny() {
return Math.sinh(constDoubleTiny);
}
@Benchmark
public double sinhConstDoubleSmall() {
return Math.sinh(constDoubleSmall);
}
@Benchmark
public double sinhConstDouble21() {
return Math.sinh(constDouble21);
}
@Benchmark
public double sinhConstDouble23() {
return Math.sinh(constDouble23);
}
@Benchmark
public double sinhConstDoubleLarge() {
return Math.sinh(constDoubleLarge);
}
@Benchmark
public double sinhConstDoubleOverflow() {
return Math.sinh(constDoubleOverflow);
}
}
public static void main(String[] args) throws RunnerException {
Options opt = new OptionsBuilder()
.include(SinhPerfRanges.class.getSimpleName())
.build();
new Runner(opt).run();
opt = new OptionsBuilder()
.include(SinhPerfConstant.class.getSimpleName())
.build();
new Runner(opt).run();
}
}