private IList <IList <IList <int> > > GetRowsPermutationsUncached(Sudoku Sudoku)
{
var toReturn = new List <IList <IList <int> > >(9);
for (int i = 0; i < 9; i++)
{
var tempList = new List <IList <int> >();
foreach (var perm in AllPermutations)
{
if (!Range9.Any(j => Sudoku.Cells[i * 9 + j] > 0
&& (perm[j] != Sudoku.Cells[i * 9 + j])))
{
tempList.Add(perm);
}
}
toReturn.Add(tempList);
}
return(toReturn);
}
/// <summary>
/// generates a chromosome gene from its index containing a random row permutation
/// amongst those respecting the target mask.
/// </summary>
/// <param name="geneIndex">the index for the gene</param>
/// <returns>a gene generated for the index</returns>
public override Gene GenerateGene(int geneIndex)
{
var rnd = RandomizationProvider.Current;
int permIdx;
do
{
//we randomize amongst the permutations that account for the target mask.
permIdx = rnd.GetInt(0, TargetRowsPermutations[geneIndex].Count);
var perm = GetPermutation(geneIndex, permIdx);
//We pick a random previous row to check compatibility with
if (geneIndex == 0)
{
//we skip first row
break;
}
var checkRowIdx = rnd.GetInt(0, geneIndex);
var checkPerm = GetPermutation(checkRowIdx);
if (Range9.All(i => perm[i] != checkPerm[i]))
{
break;
}
} while (true);
return(new Gene(permIdx));
}
private IList <IList <IList <int> > > GetRowsPermutationsUncached(SudokuBoard sudokuBoard)
{
var toReturn = new List <IList <IList <int> > >(9);
for (int i = 0; i < 9; i++)
{
var tempList = new List <IList <int> >();
foreach (var perm in AllPermutations)
{
if (!Range9.Any(j => sudokuBoard.GetCell(i, j) > 0 &&
(perm[j] != sudokuBoard.GetCell(i, j))))
{
tempList.Add(perm);
}
}
toReturn.Add(tempList);
}
return(toReturn);
}
private IList <IList <IList <int> > > GetRowsPermutationsUncached()
{
var toReturn = new List <IList <IList <int> > >(9);
for (int i = 0; i < 9; i++)
{
var tempList = new List <IList <int> >();
foreach (var perm in AllPermutations)
{
// Permutation should be compatible with current row extended mask domains
if (Range9.All(j => ExtendedMask[i * 9 + j].Contains(perm[j])))
{
tempList.Add(perm);
}
}
toReturn.Add(tempList);
}
return(toReturn);
}
private IList <IList <IList <int> > > GetRowsPermutationsUncached(GrilleSudoku objSudoku)
{
var toReturn = new List <IList <IList <int> > >(9);
for (int i = 0; i < 9; i++)
{
var tempList = new List <IList <int> >();
foreach (var perm in AllPermutations)
{
// Permutation should match current mask row numbers, and have numbers different that other mask rows
if (!Range9.Any(rowIdx => Range9.Any(j => objSudoku.GetCellule(rowIdx, j) > 0 &&
((rowIdx == i && perm[j] != objSudoku.GetCellule(rowIdx, j)) || (rowIdx != i && perm[j] == objSudoku.GetCellule(rowIdx, j))))))
{
tempList.Add(perm);
}
}
toReturn.Add(tempList);
}
return(toReturn);
}