private List <ArithmeticExpression4> GetArithmetics4(int val1, int val2)
{
List <ArithmeticExpression4> arithmetics = new List <ArithmeticExpression4>();
foreach (TOperation operation1 in Enum.GetValues(typeof(TOperation)))
{
foreach (TOperation operation2 in Enum.GetValues(typeof(TOperation)))
{
ArithmeticExpression4 arithmetic = new ArithmeticExpression4();
arithmetic.val1 = val1;
arithmetic.val2 = val2;
arithmetic.op1 = operation1;
arithmetic.op2 = operation2;
for (int val3 = 1; val3 < 10; val3++)
{
arithmetic.val2 = val2;
arithmetic.val3 = val3;
float result = arithmetic.GetResult();
if (result <= 9 && result >= 0 && (result - Math.Round(result)) == 0)
{
arithmetics.Add(arithmetic);
}
}
}
}
return(arithmetics);
}
public Arithmetic4x4 GenerateArithmetic4x4()
{
Random rand = new Random();
int num = rand.Next(1, 9);
List <ArithmeticExpression4> tempList;
tempList = GetArithmetics4(num);
ArithmeticExpression4 row1 = tempList[rand.Next(0, tempList.Count - 1)];
tempList = GetArithmetics4(row1.val1);
ArithmeticExpression4 col1 = tempList[rand.Next(0, tempList.Count - 1)];
tempList = GetArithmetics4(row1.val2);
ArithmeticExpression4 col2 = tempList[rand.Next(0, tempList.Count - 1)];
tempList = GetArithmetics4(col1.val2, col2.val2);
ArithmeticExpression4 row2 = tempList[rand.Next(0, tempList.Count - 1)];
List <ArithmeticExpression4> rows3 = GetArithmetics4(col1.val3, col2.val3);
List <ArithmeticExpression4> rows4 = GetArithmetics4((int)col1.GetResult(), (int)col2.GetResult());
List <ArithmeticExpression4> cols3 = GetArithmetics4(row1.val3, row2.val3);
List <ArithmeticExpression4> cols4 = GetArithmetics4((int)row1.GetResult(), (int)row2.GetResult());
List <Arithmetic4x4> results = new List <Arithmetic4x4>();
foreach (ArithmeticExpression4 row3 in rows3)
{
foreach (ArithmeticExpression4 row4 in rows4)
{
foreach (ArithmeticExpression4 col3 in cols3)
{
foreach (ArithmeticExpression4 col4 in cols4)
{
if (row3.val3 == col3.val3 && row3.GetResult() == col4.val3 &&
row4.val3 == col3.GetResult() && row4.GetResult() == col4.GetResult())
{
Arithmetic4x4 newArithmetic4x4 = new Arithmetic4x4();
newArithmetic4x4.rows = new ArithmeticExpression4[4];
newArithmetic4x4.cols = new ArithmeticExpression4[4];
newArithmetic4x4.rows[0] = row1;
newArithmetic4x4.rows[1] = row2;
newArithmetic4x4.rows[2] = row3;
newArithmetic4x4.rows[3] = row4;
newArithmetic4x4.cols[0] = col1;
newArithmetic4x4.cols[1] = col2;
newArithmetic4x4.cols[2] = col3;
newArithmetic4x4.cols[3] = col4;
results.Add(newArithmetic4x4);
}
}
}
}
}
return(results[rand.Next(0, results.Count - 1)]);
}