public Arithmetic3x3 GenerateArithmetic3x3()
{
Random rand = new Random();
int num = rand.Next(1, 9);
List <ArithmeticExpression3> arithmeticsRow1 = GetArithmetics3(num);
ArithmeticExpression3 row1 = arithmeticsRow1[rand.Next(0, arithmeticsRow1.Count - 1)];
List <ArithmeticExpression3> arithmeticsCol1 = GetArithmetics3(row1.val1);
ArithmeticExpression3 col1 = arithmeticsCol1[rand.Next(0, arithmeticsCol1.Count - 1)];
List <ArithmeticExpression3> arithmeticsRow2 = GetArithmetics3(col1.val2);
List <ArithmeticExpression3> arithmeticsRow3 = GetArithmetics3((int)col1.GetResult());
List <ArithmeticExpression3> arithmeticsCol2 = GetArithmetics3(row1.val2);
List <ArithmeticExpression3> arithmeticsCol3 = GetArithmetics3((int)row1.GetResult());
List <Arithmetic3x3> temp3x3 = new List <Arithmetic3x3>();
foreach (ArithmeticExpression3 row2 in arithmeticsRow2)
{
foreach (ArithmeticExpression3 row3 in arithmeticsRow3)
{
foreach (ArithmeticExpression3 col2 in arithmeticsCol2)
{
foreach (ArithmeticExpression3 col3 in arithmeticsCol3)
{
if (row2.val2 == col2.val2 && row2.GetResult() == col3.val2 &&
row3.val2 == col2.GetResult() && row3.GetResult() == col3.GetResult())
{
Arithmetic3x3 newArithmetic3x3 = new Arithmetic3x3();
newArithmetic3x3.rows = new ArithmeticExpression3[3];
newArithmetic3x3.cols = new ArithmeticExpression3[3];
newArithmetic3x3.rows[0] = row1;
newArithmetic3x3.rows[1] = row2;
newArithmetic3x3.rows[2] = row3;
newArithmetic3x3.cols[0] = col1;
newArithmetic3x3.cols[1] = col2;
newArithmetic3x3.cols[2] = col3;
temp3x3.Add(newArithmetic3x3);
}
}
}
}
}
return(temp3x3[rand.Next(0, temp3x3.Count - 1)]);
}
private List <ArithmeticExpression3> GetArithmetics3(int val1)
{
List <ArithmeticExpression3> arithmetics = new List <ArithmeticExpression3>();
foreach (TOperation operation in Enum.GetValues(typeof(TOperation)))
{
ArithmeticExpression3 arithmetic = new ArithmeticExpression3();
arithmetic.val1 = val1;
for (int i = 1; i < 10; i++)
{
arithmetic.val2 = i;
arithmetic.op = operation;
float result = arithmetic.GetResult();
if (result <= 9 && result >= 0 && (result - Math.Round(result)) == 0)
{
arithmetics.Add(arithmetic);
}
}
}
return(arithmetics);
}