/// <summary>
/// Overloaded.
/// Assembles an integer from specified bits.
/// </summary>
/// <param name="H">First Byte</param>
/// <param name="HU">Upper Index of the First Byte (7-0)</param>
/// <param name="HL">Lower Index of the First Byte (7-0)</param>
/// <returns>Integer resulting from contacting all the bits from high to low.</returns>
public static Int32 ComposeBits(Byte H, Int32 HU, Int32 HL)
{
return H.Bits(HU, HL);
}
/// <summary>
/// Overloaded.
/// Assembles an integer from specified bits.
/// </summary>
/// <param name="H">First Byte</param>
/// <param name="HU">Upper Index of the First Byte (7-0)</param>
/// <param name="HL">Lower Index of the First Byte (7-0)</param>
/// <param name="S">Second Byte</param>
/// <param name="SU">Upper Index of the Second Byte (7-0)</param>
/// <param name="SL">Lower Index of the Second Byte (7-0)</param>
/// <returns>Integer resulting from contacting all the bits from high to low.</returns>
public static Int32 ComposeBits(Byte H, Int32 HU, Int32 HL,
Byte S, Int32 SU, Int32 SL)
{
Int32 Hp = H.Bits(HU, HL);
Int32 Sp = S.Bits(SU, SL);
return Hp.SAL(SU - SL + 1) | Sp;
}
// Unsigned
/// <summary>
/// Pads a non standard unsigned integer to 8 bit.
/// </summary>
/// <param name="dat">Byte containing non standard integer</param>
/// <param name="width">Width of the non standard integer</param>
/// <returns></returns>
public static Byte PadU8(Byte dat, Int32 width)
{
return dat.Bits(width - 1, 0);
}
/// <summary>
/// Overloaded.
/// Assembles an integer from specified bits.
/// </summary>
/// <param name="H">First Byte</param>
/// <param name="HU">Upper Index of the First Byte (7-0)</param>
/// <param name="HL">Lower Index of the First Byte (7-0)</param>
/// <param name="S">Second Byte</param>
/// <param name="SU">Upper Index of the Second Byte (7-0)</param>
/// <param name="SL">Lower Index of the Second Byte (7-0)</param>
/// <param name="T">Third Byte</param>
/// <param name="TU">Upper Index of the Third Byte (7-0)</param>
/// <param name="TL">Lower Index of the Third Byte (7-0)</param>
/// <returns>Integer resulting from contacting all the bits from high to low.</returns>
public static Int32 ComposeBits(Byte H, Int32 HU, Int32 HL,
Byte S, Int32 SU, Int32 SL,
Byte T, Int32 TU, Int32 TL)
{
Int32 Hp = H.Bits(HU, HL);
Int32 Sp = S.Bits(SU, SL);
Int32 Tp = T.Bits(TU, TL);
return Hp.SAL(SU - SL + 1 + TU - TL + 1) | Sp.SAL(TU - TL + 1) | Tp;
}
// Signed
/// <summary>
/// Pads a non standard signed integer to 8 bit.
/// </summary>
/// <param name="dat">Byte containing non standard integer</param>
/// <param name="width">Width of the non standard integer</param>
/// <returns></returns>
public static SByte PadS8(Byte dat, Int32 width)
{
// Assuming that highest bit is sign bit
Boolean sign = (dat & (1 << width - 1)) != 0;
Byte value = dat.Bits(width - 2, 0);
// if the value is negative...
if (sign) return (SByte) (value - (Byte) Math.Pow(2, width - 1)); // Get 2's complement of the value
// if it is positive, return value
return (SByte) value;
}
