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using System; | |
using System.Linq; | |
using System.Collections; | |
using System.ComponentModel; | |
using System.Collections.Generic; | |
using System.Collections.Specialized; | |
using System.Collections.ObjectModel; | |
using System.Runtime.CompilerServices; | |
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/// <summary> | |
/// Interval arithmetic type class | |
/// </summary> | |
public class Interval : IEquatable<Interval>, IComparable<Interval>, IComparable | |
{ | |
#region Properties | |
public static Interval Zero; | |
public static Interval One; |
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/// <summary> | |
/// A generic Vector class. | |
/// Uses/Requires the GenericArithmeticFactory class: | |
/// https://gist.github.com/AdamWhiteHat/71d548ebfb2ee67fcbd78a39a9751423 | |
/// </summary> | |
public class Vector<T> | |
{ | |
/// <summary>The dimension of the vector, i.e. the number of elements or its length.</summary> | |
public int Dimensions { get { return Elements == null ? 0 : Elements.Length; } } |
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/// <summary>Abelian Sandpile Class</summary> | |
public class SandPile : IEquatable<SandPile> | |
{ | |
#region static Sandpile Values | |
public static SandPile Zero = new SandPile(new int[,] { { 2, 1, 2 }, { 1, 0, 1 }, { 2, 1, 2 } }, 4); | |
public static SandPile One = new SandPile(new int[,] { { 3, 2, 3 }, { 2, 1, 2 }, { 3, 2, 3 } }, 4); | |
public static SandPile NegativeOne = new SandPile(new int[,] { { 1, 3, 1 }, { 3, 3, 3 }, { 1, 3, 1 } }, 4); | |
// These can all be constructed from the above three sandpiles. |
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/// <summary> | |
/// A IEqualityComparer<string> that provides the mathematically best GetHashCode | |
/// possible for adding millions of strings to Dictionaries, HashTables, HashMaps and more. | |
/// It works by interpreting an array of bytes (your string) as a number in base 256, | |
/// and then returning the unit of that number in the multiplicative group of integers modulo a prime p, | |
/// where p is the largest prime less than 2^32. | |
/// </summary> | |
public class BestStringEqualityComparer : IEqualityComparer<string> | |
{ | |
public int GetHashCode(string obj) |
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namespace ComponentModelEx | |
{ | |
public delegate void PropertyChangedExEventHandler(object sender, PropertyChangedExEventArgs e); | |
public interface INotifyPropertyChangedEx | |
{ | |
event PropertyChangedExEventHandler PropertyChangedEx; | |
} | |
} |
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public static bool IPv6Check(string input) | |
{ | |
if (string.IsNullOrWhiteSpace(input)) | |
{ | |
return false; | |
} | |
if (input.IndexOf("::") != input.LastIndexOf("::")) // 'The "::" can only appear once in an address.' | |
{ | |
return false; |
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public static class GenericArithmeticFactory<T> | |
{ | |
private static Dictionary<ExpressionType, Func<T, T, T>> _binaryOperationDictionary; | |
private static Dictionary<ExpressionType, Func<T, T, bool>> _comparisonOperationDictionary; | |
private static Func<T, T> _sqrtOperation = null; | |
static GenericArithmeticFactory() | |
{ | |
_binaryOperationDictionary = new Dictionary<ExpressionType, Func<T, T, T>>(); | |
_comparisonOperationDictionary = new Dictionary<ExpressionType, Func<T, T, bool>>(); |
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