INumber.cs

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using System.Diagnostics.CodeAnalysis;
using System.Globalization;
using System.Runtime.Versioning;
 
namespace System;
 
[RequiresPreviewFeatures("Generic Math is in preview.", Url = "https://aka.ms/dotnet-warnings/generic-math-preview")]
public interface INumber<TSelf> : IAdditionOperators<TSelf, TSelf, TSelf>, IAdditiveIdentity<TSelf, TSelf>, IComparisonOperators<TSelf, TSelf>, IComparable, IComparable<TSelf>, IEqualityOperators<TSelf, TSelf>, IEquatable<TSelf>, IDecrementOperators<TSelf>, IDivisionOperators<TSelf, TSelf, TSelf>, IIncrementOperators<TSelf>, IModulusOperators<TSelf, TSelf, TSelf>, IMultiplicativeIdentity<TSelf, TSelf>, IMultiplyOperators<TSelf, TSelf, TSelf>, ISpanFormattable, IFormattable, ISpanParseable<TSelf>, IParseable<TSelf>, ISubtractionOperators<TSelf, TSelf, TSelf>, IUnaryNegationOperators<TSelf, TSelf>, IUnaryPlusOperators<TSelf, TSelf> where TSelf : INumber<TSelf>
{
    static abstract TSelf One { get; }
 
    static abstract TSelf Zero { get; }
 
    static abstract TSelf Abs(TSelf value);
 
    static abstract TSelf Clamp(TSelf value, TSelf min, TSelf max);
 
    static abstract TSelf Create<TOther>(TOther value) where TOther : INumber<TOther>;
 
    static abstract TSelf CreateSaturating<TOther>(TOther value) where TOther : INumber<TOther>;
 
    static abstract TSelf CreateTruncating<TOther>(TOther value) where TOther : INumber<TOther>;
 
    static abstract (TSelf Quotient, TSelf Remainder) DivRem(TSelf left, TSelf right);
 
    static abstract TSelf Max(TSelf x, TSelf y);
 
    static abstract TSelf Min(TSelf x, TSelf y);
 
    static abstract TSelf Parse(string s, NumberStyles style, IFormatProvider? provider);
 
    static abstract TSelf Parse(ReadOnlySpan<char> s, NumberStyles style, IFormatProvider? provider);
 
    static abstract TSelf Sign(TSelf value);
 
    static abstract bool TryCreate<TOther>(TOther value, out TSelf result) where TOther : INumber<TOther>;
 
    static abstract bool TryParse([NotNullWhen(true)] string? s, NumberStyles style, IFormatProvider? provider, out TSelf result);
 
    static abstract bool TryParse(ReadOnlySpan<char> s, NumberStyles style, IFormatProvider? provider, out TSelf result);
}