diff options
| author | TSR Berry <20988865+TSRBerry@users.noreply.github.com> | 2023-04-08 01:22:00 +0200 |
|---|---|---|
| committer | Mary <thog@protonmail.com> | 2023-04-27 23:51:14 +0200 |
| commit | cee712105850ac3385cd0091a923438167433f9f (patch) | |
| tree | 4a5274b21d8b7f938c0d0ce18736d3f2993b11b1 /Ryujinx.Audio/Renderer/Utils/BitArray.cs | |
| parent | cd124bda587ef09668a971fa1cac1c3f0cfc9f21 (diff) | |
Move solution and projects to src
Diffstat (limited to 'Ryujinx.Audio/Renderer/Utils/BitArray.cs')
| -rw-r--r-- | Ryujinx.Audio/Renderer/Utils/BitArray.cs | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/Ryujinx.Audio/Renderer/Utils/BitArray.cs b/Ryujinx.Audio/Renderer/Utils/BitArray.cs deleted file mode 100644 index 8b105477..00000000 --- a/Ryujinx.Audio/Renderer/Utils/BitArray.cs +++ /dev/null @@ -1,103 +0,0 @@ -using System; -using System.Runtime.CompilerServices; - -namespace Ryujinx.Audio.Renderer.Utils -{ - /// <summary> - /// A simple bit array implementation backed by a <see cref="Memory{T}"/>. - /// </summary> - public class BitArray - { - /// <summary> - /// The backing storage of the <see cref="BitArray"/>. - /// </summary> - private Memory<byte> _storage; - - /// <summary> - /// Create a new <see cref="BitArray"/> from <see cref="Memory{T}"/>. - /// </summary> - /// <param name="storage">The backing storage of the <see cref="BitArray"/>.</param> - public BitArray(Memory<byte> storage) - { - _storage = storage; - } - - /// <summary> - /// Get the byte position of a given bit index. - /// </summary> - /// <param name="index">A bit index.</param> - /// <returns>The byte position of a given bit index.</returns> - [MethodImpl(MethodImplOptions.AggressiveInlining)] - private static int ToPosition(int index) => index / 8; - - /// <summary> - /// Get the bit position of a given bit index inside a byte. - /// </summary> - /// <param name="index">A bit index.</param> - /// <returns>The bit position of a given bit index inside a byte.</returns> - [MethodImpl(MethodImplOptions.AggressiveInlining)] - private static int ToBitPosition(int index) => index % 8; - - /// <summary> - /// Test if the bit at the given index is set. - /// </summary> - /// <param name="index">A bit index.</param> - /// <returns>Return true if the bit at the given index is set</returns> - [MethodImpl(MethodImplOptions.AggressiveInlining)] - public bool Test(int index) - { - ulong mask = 1ul << ToBitPosition(index); - - return (_storage.Span[ToPosition(index)] & mask) == mask; - } - - /// <summary> - /// Set the bit at the given index. - /// </summary> - /// <param name="index">A bit index.</param> - [MethodImpl(MethodImplOptions.AggressiveInlining)] - public void Set(int index) - { - Set(index, true); - } - - /// <summary> - /// Reset the bit at the given index. - /// </summary> - /// <param name="index">A bit index.</param> - [MethodImpl(MethodImplOptions.AggressiveInlining)] - public void Reset(int index) - { - Set(index, false); - } - - /// <summary> - /// Set a bit value at the given index. - /// </summary> - /// <param name="index">A bit index.</param> - /// <param name="value">The new bit value.</param> - [MethodImpl(MethodImplOptions.AggressiveInlining)] - private void Set(int index, bool value) - { - byte mask = (byte)(1 << ToBitPosition(index)); - - if (value) - { - _storage.Span[ToPosition(index)] |= mask; - } - else - { - _storage.Span[ToPosition(index)] &= (byte)~mask; - } - } - - /// <summary> - /// Reset all bits in the storage. - /// </summary> - [MethodImpl(MethodImplOptions.AggressiveInlining)] - public void Reset() - { - _storage.Span.Fill(0); - } - } -}
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