/// <summary>
/// Initializes the bit string.
/// </summary>
/// <param name="discreteSpaceDescriptor">The discrete space descriptor.</param>
/// <returns>BitByteHexLimits[].</returns>
internal static BitByteHexLimits[] InitializeBitString(DesignSpaceDescription discreteSpaceDescriptor)
{
var result = new BitByteHexLimits[discreteSpaceDescriptor.n];
var currentIndex = 0;
for (var i = 0; i < discreteSpaceDescriptor.n; i++)
{
if (discreteSpaceDescriptor[i].Discrete)
{
var maxValue = discreteSpaceDescriptor.MaxVariableSizes[i];
var numberBits = (int)(Math.Log(maxValue, 2)) + 1;
var endIndex = currentIndex + numberBits;
result[i] = new BitByteHexLimits
{
StartIndex = currentIndex,
EndIndex = endIndex,
MaxValue = maxValue
};
currentIndex = endIndex;
}
else
{
result[i] = new BitByteHexLimits();
}
}
return(result);
}
/// <summary>
/// Flips the bit.
/// </summary>
/// <param name="initValue">The initialize value.</param>
/// <param name="limits">The limits.</param>
/// <param name="bitIndex">Index of the bit.</param>
/// <returns>System.Int64.</returns>
internal static long FlipBit(long initValue, BitByteHexLimits limits, int bitIndex)
{
bitIndex -= limits.StartIndex;
var b = Encode(initValue, limits.EndIndex - limits.StartIndex);
b.Set(bitIndex, !b[bitIndex]);
return(Decode(b, limits.MaxValue));
}
