public QRPolynomial Mod(QRPolynomial e)
{
bool flag = Convert.ToInt64(this.GetLength()) - Convert.ToInt64(e.GetLength()) < 0L;
QRPolynomial result;
if (flag)
{
result = this;
}
else
{
int num = QRMath.GLog(this.Get(0)) - QRMath.GLog(e.Get(0));
DataCache num2 = new DataCache(this.GetLength());
for (int index = 0; index < this.GetLength(); index++)
{
num2[index] = this.Get(index);
}
for (int index2 = 0; index2 < e.GetLength(); index2++)
{
List <int> list;
int index3;
(list = num2)[index3 = index2] = (list[index3] ^ QRMath.GExp(QRMath.GLog(e.Get(index2)) + num));
}
result = new QRPolynomial(num2, 0).Mod(e);
}
return(result);
}
public QRPolynomial Multiply(QRPolynomial e)
{
DataCache num = new DataCache(this.GetLength() + e.GetLength() - 1);
for (int index = 0; index < this.GetLength(); index++)
{
for (int index2 = 0; index2 < e.GetLength(); index2++)
{
List <int> list;
int index3;
(list = num)[index3 = index + index2] = (list[index3] ^ QRMath.GExp(QRMath.GLog(this.Get(index)) + QRMath.GLog(e.Get(index2))));
}
}
return(new QRPolynomial(num, 0));
}
internal static QRPolynomial GetErrorCorrectPolynomial(int errorCorrectLength)
{
QRPolynomial polynomial = new QRPolynomial(new DataCache
{
1
}, 0);
for (int i = 0; i < errorCorrectLength; i++)
{
polynomial = polynomial.Multiply(new QRPolynomial(new DataCache
{
1,
QRMath.GExp(i)
}, 0));
}
return(polynomial);
}
private DataCache CreateBytes(QRBitBuffer buffer, List <QRRSBlock> rsBlocks)
{
int num = 0;
int val1_ = 0;
int val1_2 = 0;
DataCache[] dataCacheArray = new DataCache[rsBlocks.Count];
DataCache[] dataCacheArray2 = new DataCache[rsBlocks.Count];
for (int index = 0; index < rsBlocks.Count; index++)
{
int dataCount = rsBlocks[index].DataCount;
int num2 = rsBlocks[index].TotalCount - dataCount;
val1_ = Math.Max(val1_, dataCount);
val1_2 = Math.Max(val1_2, num2);
dataCacheArray[index] = new DataCache(dataCount);
for (int index2 = 0; index2 < dataCacheArray[index].Count; index2++)
{
dataCacheArray[index][index2] = (255 & buffer.m_buffer[index2 + num]);
}
num += dataCount;
QRPolynomial correctPolynomial = QRUtil.GetErrorCorrectPolynomial(num2);
QRPolynomial qrPolynomial = new QRPolynomial(dataCacheArray[index], correctPolynomial.GetLength() - 1).Mod(correctPolynomial);
dataCacheArray2[index] = new DataCache(correctPolynomial.GetLength() - 1);
for (int index3 = 0; index3 < dataCacheArray2[index].Count; index3++)
{
int index4 = index3 + qrPolynomial.GetLength() - dataCacheArray2[index].Count;
dataCacheArray2[index][index3] = ((index4 >= 0) ? qrPolynomial.Get(index4) : 0);
}
}
int capacity = 0;
for (int index5 = 0; index5 < rsBlocks.Count; index5++)
{
capacity += rsBlocks[index5].TotalCount;
}
DataCache dataCache = new DataCache(capacity);
int num3 = 0;
for (int index6 = 0; index6 < val1_; index6++)
{
for (int index7 = 0; index7 < rsBlocks.Count; index7++)
{
bool flag = index6 < dataCacheArray[index7].Count;
if (flag)
{
dataCache[num3++] = dataCacheArray[index7][index6];
}
}
}
for (int index8 = 0; index8 < val1_2; index8++)
{
for (int index9 = 0; index9 < rsBlocks.Count; index9++)
{
bool flag2 = index8 < dataCacheArray2[index9].Count;
if (flag2)
{
dataCache[num3++] = dataCacheArray2[index9][index8];
}
}
}
return(dataCache);
}
