58 lines
2.0 KiB
C#
58 lines
2.0 KiB
C#
namespace Standart.Hash.xxHash
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{
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using System.Diagnostics;
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public static partial class xxHash64
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{
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/// <summary>
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/// Compute xxHash for the data byte array
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/// </summary>
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/// <param name="data">The source of data</param>
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/// <param name="length">The length of the data for hashing</param>
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/// <param name="seed">The seed number</param>
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/// <returns>hash</returns>
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public static unsafe ulong ComputeHash(byte[] data, int length, ulong seed = 0)
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{
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Debug.Assert(data != null);
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Debug.Assert(length >= 0);
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Debug.Assert(length <= data.Length);
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fixed (byte* pData = &data[0])
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{
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return UnsafeComputeHash(pData, length, seed);
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}
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}
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/// <summary>
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/// Compute xxHash for the data byte array
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/// </summary>
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/// <param name="data">The source of data</param>
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/// <param name="length">The length of the data for hashing</param>
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/// <param name="seed">The seed number</param>
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/// <returns>hash</returns>
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public static unsafe ulong ComputeHash(byte[] data, int offset, int length, ulong seed = 0)
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{
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Debug.Assert(data != null);
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Debug.Assert(length >= 0);
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Debug.Assert(offset < data.Length);
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Debug.Assert(length <= data.Length - offset);
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fixed (byte* pData = &data[0 + offset])
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{
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return UnsafeComputeHash(pData, length, seed);
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}
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}
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/// <summary>
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/// Compute xxHash for the data byte array
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/// </summary>
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/// <param name="data">The source of data</param>
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/// <param name="seed">The seed number</param>
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/// <returns>hash</returns>
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public static unsafe ulong ComputeHash(System.ArraySegment<byte> data, ulong seed = 0)
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{
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Debug.Assert(data != null);
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return ComputeHash(data.Array, data.Offset, data.Count, seed);
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}
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}
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} |