public static string GetGroupString(SCarnoGroup group, char[] letters)
{
ArrayList groupChars = new ArrayList();
int[] mintermIndexes = GetMintermsIndexes(GetMintermsInsideGroup(group));
int firstMintermIndex = mintermIndexes[0];
int indexesCount = mintermIndexes.GetLength(0);
int equalityResult = firstMintermIndex;
byte lettersCount = (byte)letters.GetLength(0);
bool flag;
// Group string for group RectGroup_16
if ((group.Type == EGroupTypes.RectGroup_16 && lettersCount == 4) || (group.Type == EGroupTypes.RectGroup_8_Hor && lettersCount == 3))
{
return("1 (True)");
}
// Find bits in minterms that are equal (bits with same height)
for (byte i = 0; i < lettersCount; i++)
{
flag = true;
for (int j = 1; j < indexesCount; j++)
{
if (BinaryManip.GetBitValue(firstMintermIndex, i)
!= BinaryManip.GetBitValue(mintermIndexes[j], i))
{
flag = false;
break;
}
}
BinaryManip.SetBitValue(ref equalityResult, i, flag);
}
// - - -
// Produce group string
for (byte i = 0; i < lettersCount; i++)
{
if (BinaryManip.GetBitValue(equalityResult, i))
{
string tmpStr;
if (BinaryManip.GetBitValue(firstMintermIndex, i))
{
tmpStr = letters[lettersCount - i - 1].ToString();
}
else
{
tmpStr = letters[lettersCount - i - 1].ToString() + "\'";
}
groupChars.Add(tmpStr);
}
}
groupChars.Reverse();
// - - -
// Return all strings
string[] str = (string[])groupChars.ToArray(typeof(string));
return(string.Concat(str));
}
public bool GetBitValue(byte bitIndex)
{
return(BinaryManip.GetBitValue(m_mintermIndex, bitIndex));
}