/// <summary>
/// Pads a non standard unsigned integer to 64 bit.
/// </summary>
/// <param name="dat">UInt64 containing non standard integer</param>
/// <param name="width">Width of the non standard integer</param>
/// <returns></returns>
public static UInt64 PadU64(UInt64 dat, Int32 width)
{
return dat.Bits(width - 1, 0);
}
/// <summary>
/// Pads a non standard signed integer to 64 bit.
/// </summary>
/// <param name="dat">UInt64 containing non standard integer</param>
/// <param name="width">Width of the non standard integer</param>
/// <returns></returns>
public static Int64 PadS64(UInt64 dat, Int32 width)
{
// Assuming that highest bit is sign bit
Boolean sign = (dat & (1UL << width - 1)) != 0;
UInt64 value = dat.Bits(width - 2, 0);
// if the value is negative...
if (sign)
return (long) (value - ((ulong) Math.Pow(2, width - 1))); // Get 2's complement of the value
// if it is positive, return value
return (Int64) value;
}
