aaru-dps/Aaru.Helpers
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Move to file scoped namespaces.

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Natalia Portillo
2022-03-06 13:29:37 +00:00
parent 31750d5978
commit cb79ff60d6
13 changed files with 1461 additions and 1474 deletions
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133
Swapping.cs
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@@ -32,81 +32,80 @@
using System.Runtime.CompilerServices;
namespace Aaru.Helpers
namespace Aaru.Helpers;
/// <summary>Helper operations to work with swapping endians</summary>
public static class Swapping
{
/// <summary>Helper operations to work with swapping endians</summary>
public static class Swapping
/// <summary>Gets the PDP endian equivalent of the given little endian unsigned integer</summary>
/// <param name="x">Little endian unsigned integer</param>
/// <returns>PDP unsigned integer</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static uint PDPFromLittleEndian(uint x) => ((x & 0xffff) << 16) | ((x & 0xffff0000) >> 16);
/// <summary>Gets the PDP endian equivalent of the given big endian unsigned integer</summary>
/// <param name="x">Big endian unsigned integer</param>
/// <returns>PDP unsigned integer</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static uint PDPFromBigEndian(uint x) => ((x & 0xff00ff) << 8) | ((x & 0xff00ff00) >> 8);
/// <summary>Swaps the endian of the specified unsigned short integer</summary>
/// <param name="x">Unsigned short integer</param>
/// <returns>Swapped unsigned short integer</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static ushort Swap(ushort x) => (ushort)((x << 8) | (x >> 8));
/// <summary>Swaps the endian of the specified signed short integer</summary>
/// <param name="x">Signed short integer</param>
/// <returns>Swapped signed short integer</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static short Swap(short x) => (short)((x << 8) | ((x >> 8) & 0xFF));
/// <summary>Swaps the endian of the specified unsigned integer</summary>
/// <param name="x">Unsigned integer</param>
/// <returns>Swapped unsigned integer</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static uint Swap(uint x)
{
/// <summary>Gets the PDP endian equivalent of the given little endian unsigned integer</summary>
/// <param name="x">Little endian unsigned integer</param>
/// <returns>PDP unsigned integer</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static uint PDPFromLittleEndian(uint x) => ((x & 0xffff) << 16) | ((x & 0xffff0000) >> 16);
x = ((x << 8) & 0xFF00FF00) | ((x >> 8) & 0xFF00FF);
/// <summary>Gets the PDP endian equivalent of the given big endian unsigned integer</summary>
/// <param name="x">Big endian unsigned integer</param>
/// <returns>PDP unsigned integer</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static uint PDPFromBigEndian(uint x) => ((x & 0xff00ff) << 8) | ((x & 0xff00ff00) >> 8);
return (x << 16) | (x >> 16);
}
/// <summary>Swaps the endian of the specified unsigned short integer</summary>
/// <param name="x">Unsigned short integer</param>
/// <returns>Swapped unsigned short integer</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static ushort Swap(ushort x) => (ushort)((x << 8) | (x >> 8));
/// <summary>Swaps the endian of the specified signed integer</summary>
/// <param name="x">Signed integer</param>
/// <returns>Swapped signed integer</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static int Swap(int x)
{
x = (int)(((x << 8) & 0xFF00FF00) | (((uint)x >> 8) & 0xFF00FF));
/// <summary>Swaps the endian of the specified signed short integer</summary>
/// <param name="x">Signed short integer</param>
/// <returns>Swapped signed short integer</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static short Swap(short x) => (short)((x << 8) | ((x >> 8) & 0xFF));
return (int)(((uint)x << 16) | (((uint)x >> 16) & 0xFFFF));
}
/// <summary>Swaps the endian of the specified unsigned integer</summary>
/// <param name="x">Unsigned integer</param>
/// <returns>Swapped unsigned integer</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static uint Swap(uint x)
{
x = ((x << 8) & 0xFF00FF00) | ((x >> 8) & 0xFF00FF);
/// <summary>Swaps the endian of the specified unsigned long integer</summary>
/// <param name="x">Unsigned long integer</param>
/// <returns>Swapped unsigned long integer</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static ulong Swap(ulong x)
{
x = ((x & 0x00000000FFFFFFFF) << 32) | ((x & 0xFFFFFFFF00000000) >> 32);
x = ((x & 0x0000FFFF0000FFFF) << 16) | ((x & 0xFFFF0000FFFF0000) >> 16);
x = ((x & 0x00FF00FF00FF00FF) << 8) | ((x & 0xFF00FF00FF00FF00) >> 8);
return (x << 16) | (x >> 16);
}
return x;
}
/// <summary>Swaps the endian of the specified signed integer</summary>
/// <param name="x">Signed integer</param>
/// <returns>Swapped signed integer</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static int Swap(int x)
{
x = (int)(((x << 8) & 0xFF00FF00) | (((uint)x >> 8) & 0xFF00FF));
/// <summary>Swaps the endian of the specified signed long integer</summary>
/// <param name="x">Signed long integer</param>
/// <returns>Swapped signed long integer</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static long Swap(long x)
{
x = ((x & 0x00000000FFFFFFFF) << 32) | (long)(((ulong)x & 0xFFFFFFFF00000000) >> 32);
x = ((x & 0x0000FFFF0000FFFF) << 16) | (long)(((ulong)x & 0xFFFF0000FFFF0000) >> 16);
x = ((x & 0x00FF00FF00FF00FF) << 8) | (long)(((ulong)x & 0xFF00FF00FF00FF00) >> 8);
return (int)(((uint)x << 16) | (((uint)x >> 16) & 0xFFFF));
}
/// <summary>Swaps the endian of the specified unsigned long integer</summary>
/// <param name="x">Unsigned long integer</param>
/// <returns>Swapped unsigned long integer</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static ulong Swap(ulong x)
{
x = ((x & 0x00000000FFFFFFFF) << 32) | ((x & 0xFFFFFFFF00000000) >> 32);
x = ((x & 0x0000FFFF0000FFFF) << 16) | ((x & 0xFFFF0000FFFF0000) >> 16);
x = ((x & 0x00FF00FF00FF00FF) << 8) | ((x & 0xFF00FF00FF00FF00) >> 8);
return x;
}
/// <summary>Swaps the endian of the specified signed long integer</summary>
/// <param name="x">Signed long integer</param>
/// <returns>Swapped signed long integer</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static long Swap(long x)
{
x = ((x & 0x00000000FFFFFFFF) << 32) | (long)(((ulong)x & 0xFFFFFFFF00000000) >> 32);
x = ((x & 0x0000FFFF0000FFFF) << 16) | (long)(((ulong)x & 0xFFFF0000FFFF0000) >> 16);
x = ((x & 0x00FF00FF00FF00FF) << 8) | (long)(((ulong)x & 0xFF00FF00FF00FF00) >> 8);
return x;
}
return x;
}
}