Sdcb.Arithmetic

Sdcb.Arithmetic is a modern .NET library that can PInvoke to gmp and mpfr, that enable both high performance and best .NET convenience.

Known classes in Sdcb.Arithmetic:

| Class | Native name | Library | | ----------- | --------------- | -------------------- | | GmpInteger | mpz_t | Sdcb.Arithmetic.Gmp | | GmpFloat | mpf_t | Sdcb.Arithmetic.Gmp | | GmpRational | mpq_t | Sdcb.Arithmetic.Gmp | | GmpRandom | gmp_randstate_t | Sdcb.Arithmetic.Gmp | | MpfrFloat | mpfr_t | Sdcb.Arithmetic.Mpfr |

NuGet Packages

libgmp

| Package Id | Version | License | Notes | | -------------------------------------------- | ---------------------------------------------------------------------------------------------------------- | ------- | ------------------------- | | Sdcb.Arithmetic.Gmp | | MIT | .NET binding for libgmp | | Sdcb.Arithmetic.Gmp.runtime.win-x64 | | LGPL | native lib in Windows x64 | | Sdcb.Arithmetic.Gmp.runtime.win-x86 | | LGPL | native lib in Windows x86 | | Sdcb.Arithmetic.Gmp.runtime.linux-x64 | | LGPL | native lib in Linux x64 | | Sdcb.Arithmetic.Gmp.runtime.linux-x86 | | LGPL | native lib in Linux x86 | | Sdcb.Arithmetic.Gmp.runtime.linux-arm | | LGPL | native lib in Linux ARM | | Sdcb.Arithmetic.Gmp.runtime.linux-arm64 | | LGPL | native lib in Linux ARM64 | | Sdcb.Arithmetic.Gmp.runtime.linux-musl-x64 | | LGPL | native lib in Linux Musl x64 | | Sdcb.Arithmetic.Gmp.runtime.linux-musl-arm64 | | LGPL | native lib in Linux Musl ARM64 | | Sdcb.Arithmetic.Gmp.runtime.osx-arm64 | | LGPL | native lib in macOS ARM64 | | Sdcb.Arithmetic.Gmp.runtime.osx-x64 | | LGPL | native lib in macOS x64 | | Sdcb.Arithmetic.Gmp.runtime.android-arm | | LGPL | native lib in Android ARM | | Sdcb.Arithmetic.Gmp.runtime.android-arm64 | | LGPL | native lib in Android ARM64 | | Sdcb.Arithmetic.Gmp.runtime.android-x86 | | LGPL | native lib in Android x86 | | Sdcb.Arithmetic.Gmp.runtime.android-x64 | | LGPL | native lib in Android x64 |

Update: This library also tested and works good in Loongarch64(龙芯)

mpfr

| Package Id | Version | License | Notes | | -------------------------------------------- | ---------------------------------------------------------------------------------------------------------- | ------- | -------------------------- | | Sdcb.Arithmetic.Mpfr | | MIT | .NET binding for libmpfr | | Sdcb.Arithmetic.Mpfr.runtime.win-x64 | | LGPL | native lib in Windows x64 | | Sdcb.Arithmetic.Mpfr.runtime.win-x86 | | LGPL | native lib in Windows x86 | | Sdcb.Arithmetic.Mpfr.runtime.linux-x64 | | LGPL | native lib in Linux x64 | | Sdcb.Arithmetic.Mpfr.runtime.linux-x86 | | LGPL | native lib in Linux x86 | | Sdcb.Arithmetic.Mpfr.runtime.linux-arm | | LGPL | native lib in Linux ARM | | Sdcb.Arithmetic.Mpfr.runtime.linux-arm64 | | LGPL | native lib in Linux ARM64 | | Sdcb.Arithmetic.Mpfr.runtime.linux-musl-x64 | | LGPL | native lib in Linux Musl x64 | | Sdcb.Arithmetic.Mpfr.runtime.linux-musl-arm64| | LGPL | native lib in Linux Musl ARM64 | | Sdcb.Arithmetic.Mpfr.runtime.osx-arm64 | | LGPL | native lib in macOS ARM64 | | Sdcb.Arithmetic.Mpfr.runtime.osx-x64 | | LGPL | native lib in macOS x64 | | Sdcb.Arithmetic.Mpfr.runtime.android-arm | | LGPL | native lib in Android ARM | | Sdcb.Arithmetic.Mpfr.runtime.android-arm64 | | LGPL | native lib in Android ARM64 | | Sdcb.Arithmetic.Mpfr.runtime.android-x86 | | LGPL | native lib in Android x86 | | Sdcb.Arithmetic.Mpfr.runtime.android-x64 | | LGPL | native lib in Android x64 |

Native dynamic library name mapping

Defined in GmpNativeLoader.cs and MpfrNativeLoader.cs

| OS | gmp dynamic lib | mpfr dynamic lib | | ------- | --------------- | ---------------- | | Windows | libgmp-10.dll | libmpfr-6.dll | | Linux | libgmp.so.10 | libmpfr.so.6 | | MacOS | libgmp.10.dylib | libmpfr.6.dylib | | Android | libgmp.so | libmpfr.so | | Others | gmp.10 | mpfr.6 |

Examples

Calculate 1,000,000 length of π using Sdcb.Arithmetic.Gmp:

// Install NuGet package: Sdcb.Arithmetic.Gmp
// Install NuGet package: Sdcb.Arithmetic.Gmp.runtime.win-x64(for windows)
using Sdcb.Arithmetic.Gmp;

Console.WriteLine(CalcPI().ToString("N1000000"));

GmpFloat CalcPI(int inputDigits =