/// <summary>
/// Выполняем один проход по вертикали и горизонтали
/// </summary>
/// <returns></returns>
private bool SolveIter()
{
bool isChanged = false;
Task[] rowThreads = new Task[threadCount];
object lockObj = new object();
for (Byte i = 0; i < rowThreads.Length; i++)
{
rowThreads[i] = Task.Factory.StartNew((threadIndex) =>
{
for (int j = (byte)threadIndex; j < solvedSudocu.Size.Height; j += rowThreads.Length)
{
if (!RowChanged[j])
{
bool res = SolveRow((byte)j);
lock (lockObj)
{
isChanged |= res;
}
RowChanged[j] = true;
ProgressEvent.BeginInvoke(null, null);
}
}
}, i);
}
Task.WaitAll(rowThreads);
Task[] collThreads = new Task[threadCount];
for (Byte i = 0; i < collThreads.Length; i++)
{
collThreads[i] = Task.Factory.StartNew((threadIndex) =>
{
int count = System.Math.Min(((byte)threadIndex + 1) * 10, solvedSudocu.Size.Width);
for (int j = (byte)threadIndex; j < solvedSudocu.Size.Width; j += collThreads.Length)
{
if (!ColumnChanged[j])
{
bool res = SolveColumn((byte)j);
lock (lockObj)
{
isChanged |= res;
}
ColumnChanged[j] = true;
ProgressEvent.BeginInvoke(null, null);
}
}
}, i);
}
Task.WaitAll(collThreads);
return(!isChanged);
}