c#long bytes[]相互回転
5343 ワード
c#long bytes[]相互回転
public static void SetBytes(this byte[] instance, int offset, long value)
{
Contract.Requires(instance != null);
instance[offset++] = (byte)value;
instance[offset++] = (byte)(value >> 8);
instance[offset++] = (byte)(value >> 0x10);
instance[offset++] = (byte)(value >> 0x18);
instance[offset++] = (byte)(value >> 0x20);
instance[offset++] = (byte)(value >> 40);
instance[offset++] = (byte)(value >> 0x30);
instance[offset] = (byte)(value >> 0x38);
}
public static long ToInt64(this byte[] instance, int offset)
{
Contract.Requires(instance != null);
uint num = (uint)(((instance[offset++] | (instance[offset++] << 8)) | (instance[offset++] << 0x10)) | (instance[offset++] << 0x18));
uint num2 = (uint)(((instance[offset++] | (instance[offset++] << 8)) | (instance[offset++] << 0x10)) | (instance[offset] << 0x18));
return (long)((num2 << 0x20) | num);
}
public static void SetBytes(this byte[] instance, int offset, int value)
{
Contract.Requires(instance != null);
instance[offset++] = (byte)(value);
instance[offset++] = (byte)(value >> 8);
instance[offset++] = (byte)(value >> 16);
instance[offset] = (byte)(value >> 24);
}
public static int ToInt32(this byte[] instance, int offset)
{
Contract.Requires(instance != null);
return (int)(instance[offset++] | instance[offset++] << 8 | instance[offset++] << 16 | instance[offset] << 24);
}
posted on 2013-05-09 19:41 RockyLOMO読書(...)コメント(…)コレクションの編集