public bool GenerateLatinSqure2(ref int RX, int[,] LS)
{
if (RX < 0 || LSR == null)
{
LSR = new LatSqrRow[9];
for (int k = 0; k < 9; k++)
{
LSR[k] = new LatSqrRow(PatGen, k);
}
RX = 0;
LSR[RX].SetPreInfo(null);
}
if (RX == 8)
{
while (LSR[RX].nc <= 0)
{
RX--; //variable portion is one line blank
}
}
do
{
int[] P = LSR[RX].Gen_LS_RowX();
if (P != null)
{
for (int c = 0; c < 9; c++)
{
LS[RX, c] = P[c];
}
if (RX == 8)
{
return(true);
}
LSR[RX + 1].SetPreInfo(LSR[RX++]);
}
else
{
while (RX > 0 && LSR[--RX].nc <= 0)
{
;
}
}
}while(RX >= 0);
return(false);
}
public void SetPreInfo(LatSqrRow preLSR)
{
this.preLSR = preLSR;
}
