MathParser.org-mXparser
4.4.2
Only versions 5.x of MathParser.org-mXparser are going to be maintained. From now on all the previous versions are legacy. API of versions 5.x are fully backward compatible with all 4.x. Technical migrating to 5.x should be hassle free.
See the version list below for details.
dotnet add package MathParser.org-mXparser --version 4.4.2
NuGet\Install-Package MathParser.org-mXparser -Version 4.4.2
<PackageReference Include="MathParser.org-mXparser" Version="4.4.2" />
paket add MathParser.org-mXparser --version 4.4.2
#r "nuget: MathParser.org-mXparser, 4.4.2"
// Install MathParser.org-mXparser as a Cake Addin
#addin nuget:?package=MathParser.org-mXparser&version=4.4.2
// Install MathParser.org-mXparser as a Cake Tool
#tool nuget:?package=MathParser.org-mXparser&version=4.4.2
v.4.4.2 (2020-01-26): Gemoni - Bug fixing
- #200 System.OutOfMemoryException: Array dimensions exceeded supported range (https://github.com/mariuszgromada/MathParser.org-mXparser/issues/200)
- #199 cancelCurrentCalculation does not stop for some expressions (https://github.com/mariuszgromada/MathParser.org-mXparser/issues/199)
v.4.4.0 (2020-01-14): Gemoni - API improvement
Canonical rounding: Bye bye floating point arithmetic artifacts
ULP rounding is switched of as a default setting (can be enabled / disabled). As a default canonical rounding is switched on (can be disabled / enabled). New methods:
- mXparser.enableCanonicalRounding()
- mXparser.disableCanonicalRounding()
- mXparser.setCanonicalRounding(boolean)
- mXparser.checkIfCanonicalRounding
Example 1
Expression e = new Expression("0.1 + 0.1 + 0.1");
System.out.println("Pure Java : 0.1 + 0.1 + 0.1 = " + (0.1 + 0.1 + 0.1));
System.out.println("mXparser : 0.1 + 0.1 + 0.1 = " + e.calculate());
mXparser.disableCanonicalRounding();
System.out.println("mXparser canonical off: 0.1 + 0.1 + 0.1 = " + e.calculate());
===========
Pure Java : 0.1 + 0.1 + 0.1 = 0.30000000000000004
mXparser : 0.1 + 0.1 + 0.1 = 0.3
mXparser canonical off: 0.1 + 0.1 + 0.1 = 0.30000000000000004
Example 2
Expression e = new Expression("(-1/6.2)^(-3)");
System.out.println("Pure Java : (-1/6.2)^(-3) = " + Math.pow(-1/6.2, -3));
System.out.println("mXparser : (-1/6.2)^(-3) = " + e.calculate());
mXparser.disableCanonicalRounding();
System.out.println("mXparser canonical off: (-1/6.2)^(-3) = " + e.calculate());
===========
Pure Java : (-1/6.2)^(-3) = -238.32800000000003
mXparser : (-1/6.2)^(-3) = -238.328
mXparser canonical off: (-1/6.2)^(-3) = -238.32800000000003
Argument extension - analogy to Function Extension
Now you can define user arguments implementing your own algorithm in source code.
Example
class PiMultArgExt implements ArgumentExtension {
private int multiple = 0;
public double getArgumentValue() {
multiple++;
return MathConstants.PI * multiple;
}
public PiMultArgExt clone() {
return new PiMultArgExt();
}
}
Argument x = new Argument("x", new PiMultArgExt());
Expression e = new Expression("x/pi", x);
System.out.println("1st calc exec: " + e.calculate());
System.out.println("2nd calc exec: " + e.calculate());
System.out.println("3rd calc exec: " + e.calculate());
===========
1st calc exec: 1.0
2nd calc exec: 2.0
3rd calc exec: 3.0
Bugs fixed
- #168, #18 Exact special trigonometric values
- #192, #178 Logical operators precedence
- #172 "x + 4 * - 2"
If you find the software useful you might consider below information
- Donation to support my work
- Scalar Pro - The Most Advanced Scientific Calculator app purchase also supports my work
- Scalar Lite - The Most Advanced Scientific Calculator app download and review is also a support
Thank you!
Product | Versions Compatible and additional computed target framework versions. |
---|---|
.NET | net5.0 was computed. net5.0-windows was computed. net6.0 was computed. net6.0-android was computed. net6.0-ios was computed. net6.0-maccatalyst was computed. net6.0-macos was computed. net6.0-tvos was computed. net6.0-windows was computed. net7.0 was computed. net7.0-android was computed. net7.0-ios was computed. net7.0-maccatalyst was computed. net7.0-macos was computed. net7.0-tvos was computed. net7.0-windows was computed. net8.0 was computed. net8.0-android was computed. net8.0-browser was computed. net8.0-ios was computed. net8.0-maccatalyst was computed. net8.0-macos was computed. net8.0-tvos was computed. net8.0-windows was computed. |
.NET Core | netcoreapp1.0 is compatible. netcoreapp1.1 is compatible. netcoreapp2.0 is compatible. netcoreapp2.1 is compatible. netcoreapp2.2 is compatible. netcoreapp3.0 is compatible. netcoreapp3.1 is compatible. |
.NET Standard | netstandard1.0 is compatible. netstandard1.1 is compatible. netstandard1.2 is compatible. netstandard1.3 is compatible. netstandard1.4 is compatible. netstandard1.5 is compatible. netstandard1.6 is compatible. netstandard2.0 is compatible. netstandard2.1 is compatible. |
.NET Framework | net20 is compatible. net35 is compatible. net40 is compatible. net403 was computed. net45 is compatible. net451 is compatible. net452 is compatible. net46 is compatible. net461 is compatible. net462 is compatible. net463 was computed. net47 is compatible. net471 is compatible. net472 is compatible. net48 is compatible. net481 was computed. |
MonoAndroid | monoandroid was computed. |
MonoMac | monomac was computed. |
MonoTouch | monotouch was computed. |
Tizen | tizen30 was computed. tizen40 was computed. tizen60 was computed. |
Universal Windows Platform | uap was computed. uap10.0 was computed. |
Windows Phone | wp8 was computed. wp81 was computed. wpa81 was computed. |
Windows Store | netcore was computed. netcore45 was computed. netcore451 was computed. |
Xamarin.iOS | xamarinios was computed. |
Xamarin.Mac | xamarinmac was computed. |
Xamarin.TVOS | xamarintvos was computed. |
Xamarin.WatchOS | xamarinwatchos was computed. |
This package has no dependencies.
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Version | Downloads | Last updated |
---|---|---|
5.2.1 | 165,386 | 2/7/2023 |
5.2.0 | 17,192 | 1/28/2023 |
5.1.0 | 77,132 | 11/13/2022 |
5.0.7 | 97,844 | 8/21/2022 |
5.0.6 | 49,971 | 5/31/2022 |
5.0.5 | 4,701 | 5/29/2022 |
5.0.4 | 4,462 | 5/22/2022 |
5.0.3 | 3,735 | 5/21/2022 |
5.0.2 | 44,748 | 4/18/2022 |
5.0.1 | 6,666 | 4/10/2022 |
5.0.0 | 3,352 | 4/10/2022 |
4.4.3 | 38,994 | 5/28/2022 |
4.3.4 | 26,854 | 5/27/2022 |
v.4.4 Gemoni: API improvements: 1. Canonical rounding solving the problem of floating-point arithmetic artifact, 2. ArgumentExtension allowing user defined arguments implementation via source code, 3. Binaries also covering new frameworks: .NET Core 3.1, .NET Standard 2.1, .NET Framework 4.8