Skip to content

Instantly share code, notes, and snippets.

@mjs3339
mjs3339 / BigStack.cs
Created November 26, 2018 07:11
C# Big Stack Class Generic Arrays Over 2GB
[DebuggerTypeProxy(typeof(HashSetDebugViewInt<>))]
[DebuggerDisplay("Count = {Count}")]
[Serializable]
public class BigStack<T> : IEnumerable<T>
{
public BigArray<T> _array;
public BigStack() : this(BigArray<T>.Granularity)
{
}
public BigStack(ulong capacity)
@mjs3339
mjs3339 / BigArray.cs
Created November 25, 2018 08:24
C# Big Array Class Generic Arrays Over 2GB
[Serializable]
public class BigArray<T> : IEnumerable<T>, IDisposable
{
private const int ShiftCount = 19;
public const ulong Granularity = 1 << 19;
private T[][] _arrays;
private bool _disposed;
private ulong _itemSize;
private ulong _numberOfArrays;
public string Tag;
@mjs3339
mjs3339 / BigDictionary.cs
Last active November 25, 2018 08:21
C# BigDictionary Class Greater than 2GB
[DebuggerTypeProxy(typeof(HashSetDebugViewInt<>))]
[DebuggerDisplay("Count = {Count}")]
[Serializable]
public class BigDictionary<TKey, TValue> : IEnumerable<KeyValuePair<TKey, TValue>>
{
public BigSet<TKey> Keys;
public int Resizes;
public BigArray<TValue> Values;
public BigDictionary() : this(BigArray<TKey>.Granularity, new BigComparer<TKey>())
{
@mjs3339
mjs3339 / BigHashSet.cs
Last active November 25, 2018 08:20
C# BigHashSet Class Greater than 2GB
[DebuggerTypeProxy(typeof(HashSetDebugViewInt<>))]
[DebuggerDisplay("Count = {Count}")]
[Serializable]
public class BigHashSet<T> : IEnumerable<T>
{
private readonly BigSet<T> _set;
public BigHashSet() : this(new BigComparer<T>())
{
}
public BigHashSet(IBigEqualityComparer<T> comparer)
@mjs3339
mjs3339 / BigComparer.cs
Created November 19, 2018 08:25
C# Big Equality Comparer
public class BigComparer<T> : IBigEqualityComparer<T>
{
private static FNV1a64 hash;
private static Type _type;
public bool Equals(T x, T y)
{
if (x == null || y == null)
return false;
return object.Equals((T)x, (T)y);
}
@mjs3339
mjs3339 / GetObjectSize.cs
Created November 19, 2018 08:19
C# Get Object Size
public class GetObjectSize
{
public enum SetValueEnum
{
NotSet = -1,
Yes = 1,
No = 0
}
private SetValueEnum _isPrimitive;
private int _primitiveSize;
@mjs3339
mjs3339 / BigSet.cs
Last active November 25, 2018 08:20
C# BigSet a Generic Basic Hash Set of Objects. Set Can Exceed 2GB on 64Bit Systems
[Serializable]
public class BigSet<T>
{
internal IBigEqualityComparer<T> _comparer;
internal BigArray<ulong> _hashBuckets;
internal BigArray<Slot> _slots;
internal ulong Count;
internal ulong Position;
internal int Version;
public BigSet() : this(BigArray<T>.Granularity, new BigComparer<T>())
@mjs3339
mjs3339 / BigIntegerPrimality.cs
Last active April 30, 2022 20:53
C# BigInteger Primality Class
public class BigIntegerPrimality
{
public static readonly int[] Primes4k =
{
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151,
157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313,
317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419, 421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491,
499, 503, 509, 521, 523, 541, 547, 557, 563, 569, 571, 577, 587, 593, 599, 601, 607, 613, 617, 619, 631, 641, 643, 647, 653, 659, 661, 673, 677,
683, 691, 701, 709, 719, 727, 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823, 827, 829, 839, 853, 857, 859, 863, 877, 881,
883, 887, 907, 911, 919, 929, 937, 941, 947, 953, 967, 971, 977, 983, 991, 997, 1009, 1013, 1019, 1021, 1031, 1033, 1039, 1049, 1051, 1061,
@mjs3339
mjs3339 / CryptoGetBytes.cs
Last active November 16, 2018 05:16
C# Get a Cryptographically Strong Byte Array
public class CryptoGetBytes : RandomNumberGenerator
{
private readonly int _hashSizeInBytes;
private int _availableCacheBytes;
private volatile byte[] _buffer;
private volatile byte[] _cache;
private volatile int _ptr;
public HashAlgorithm Algorithm;
#if DEBUG
public TinyDictionary<int, long> BytesRequestList = new TinyDictionary<int, long>();
@mjs3339
mjs3339 / CryptoEntropy.cs
Created November 13, 2018 06:49
C# CryptoEntropy Source Class
public class CryptoEntropy
{
public readonly TinyHashSet<byte[]> _entropyTest;
public CryptoEntropy()
{
EntropyRequested = 0;
_entropyTest = new TinyHashSet<byte[]>(new ArrayComparer());
}
public byte[] Entropy => GetEntropy();
public int EntropyRequested{get; private set;}