Bump ch.randelshofer:fastdoubleparser from 1.0.1 to 2.0.0

[dependabot]

Bumps ch.randelshofer:fastdoubleparser from 1.0.1 to 2.0.0.

Release notes

Sourced from ch.randelshofer:fastdoubleparser's releases.

Release 2.0.0 with ConfigurableDoubleParser

The Release 2.0.0 adds a ConfigurableDoubleParser to the library.

The ConfigurableDoubleParser supports parsing of double numbers in localed formats, similar to java.text.DecimalFormat.

Examples:

        var symbols = NumberFormatSymbols.fromDecimalFormatSymbols(new DecimalFormatSymbols(Locale.GERMAN));
        boolean ignoreCase = true;
        var confdParser = new ConfigurableDoubleParser(symbols, ignoreCase);
        double confD1 = confdParser.parseDouble("123.456,89e5");
        double confD2 = confdParser.parseDouble("-0.15425,89E-5");
        System.out.println("Double value in German Locale: " + confD1);
        System.out.println("Another double value in German Locale: " + confD2);
    symbols = NumberFormatSymbols.fromDecimalFormatSymbols(new DecimalFormatSymbols(Locale.forLanguageTag("zh-CN")));
    symbols = symbols
            .withDigits(List.of('〇', '一', '二', '三', '四', '五', '六', '七', '八', '九'))
            .withExponentSeparator((Set.of("*一〇^")));
confdParser = new ConfigurableDoubleParser(symbols, ignoreCase);
double confZh = confdParser.parseDouble("四一.五七五三七一六六二一四五九八*一〇^七");
System.out.println("Double value in Chinese Locale: " + confZh);

Workaround for Zing JVM

This release contains a workaround for the Zing JVM.

OpenJDK Runtime Environment Zing24.09.0.0+5 (build 21.0.4+4-LTS)
Zing 64-Bit Tiered VM Zing24.09.0.0+5 (build 21.0.4-zing_24.09.0.0-b5-release-linux-X86_64, mixed mode)
Instead of calling {@​link Math#unsignedMultiplyHigh(long, long)}

we use our own implementation.

This version will perform slightly slower than the v1.0.1 release. The JIT should generate a single MUL instruction for Math#unsignedMultiplyHigh(long, long). This workaround consists of 6 lines of Java code that simulates this instruction.

Commits

• d62dcfa Use version number 2.0.0. Update README.md.
• bd0723b Replace Java 22 by Java 23 in README.md.
• 4f8a183 Mark classes with final to make life easier for the JIT.
• b2fc12e Return a magic bit pattern instead of throwing an exception.
• 5e6ce73 Add javadoc for parameters.
• 8dfe653 The constructor of NumberFormatSymbols creates defensive copies of all collec...
• 583e836 Remove unused filterInputString() methods.
• 74a507f Improve code example.
• 56e89d0 Add javadoc.
• 114324c Build without preview features.
• Additional commits viewable in compare view

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[devinrsmith]

It looks like this release is mainly in support of a new feature that allows parsing of different locales; see wrandelshofer/FastDoubleParser#82.

While we don't directly expose this as an option, end-users would be able to easily wrap their own CustomDoubleParser with fastdoubleparser and set io.deephaven.csv.CsvSpecs#customDoubleParser.

In the future, we may want to consider either explicitly enabling Local parsing options, or make CustomDoubleParser configurable per-column.

[devinrsmith]

@dependabot rebase

[devinrsmith]

JMH testing of DoubleColumnBenchmark.deephaven shows no discernible difference; ~43m ops/s on my machine.