public DifferentNum Division(DifferentNum y)
{
DifferentNum result = new DifferentNum();
DifferentNum x = ConvertTo10();
y = y.ConvertTo10();
string sx = x.ToString(DecimalDec);
string sy = y.ToString(DecimalDec);
tryParse((Convert.ToDouble(sx) / Convert.ToDouble(sy)).ToString(), 10, DecimalDecoder, out result);
return(result);
}
public DifferentNum Multiplication(DifferentNum y)
{
DifferentNum result = new DifferentNum();
DifferentNum x = ConvertTo10();
y = y.ConvertTo10();
string sx = x.ToString(DecimalDec);
string sy = y.ToString(DecimalDec);
if (x.after.Count != 0 || y.after.Count != 0)
{
tryParse((Convert.ToDouble(sx) * Convert.ToDouble(sy)).ToString(), 10, DecimalDecoder, out result);
}
else
{
tryParse((Convert.ToInt32(sx) * Convert.ToInt32(sy)).ToString(), 10, DecimalDecoder, out result);
}
return(result);
}
private DifferentNum ConvertTo10()
{
DifferentNum r = new DifferentNum();
r.system = 10;
r.sign = sign;
long p = 1;
long x = 0;
for (int i = before.Count - 1; i >= 0; --i)
{
x += before[i] * p;
p *= system;
}
var str = x.ToString();
for (int i = 0; i < str.Length; ++i)
{
r.before.Add(str[i] - '0');
}
if (after.Count != 0)
{
double k = 1.0 / system;
double z = 0;
for (int i = 0; i < after.Count; ++i)
{
z += after[i] * k;
k /= system;
}
var st = z.ToString().Substring(z.ToString().IndexOf(",") + 1);
for (int i = 0; i < st.Length; ++i)
{
r.after.Add(st[i] - '0');
}
}
return(r);
}
public static bool tryParse(string input, int sys, Dictionary <char, int> d, out DifferentNum num)
{
num = new DifferentNum();
num.system = sys;
input = input.Replace(".", ",");
int indexofcomma = input.IndexOf(",");
if (input[0] == '-')
{
num.sign = -1;
input = input.Remove(0, 1);
}
string bef = indexofcomma == -1 ? input : input.Substring(0, indexofcomma);
for (int i = 0; i < bef.Length; ++i)
{
int tmp = 0; if (!d.TryGetValue(bef[i], out tmp) || tmp >= sys)
{
return(false);
}
num.before.Add(tmp);
}
if (indexofcomma != -1)
{
string aft = input.Substring(indexofcomma + 1);
for (int i = 0; i < aft.Length; ++i)
{
int tmp = 0; if (!d.TryGetValue(aft[i], out tmp) || tmp >= sys)
{
return(false);
}
num.after.Add(tmp);
}
}
return(true);
}
private void Resultbutton_Click(object sender, EventArgs e)
{
if (DictBox.Text.Distinct().Count() == DictBox.Text.Length)
{
dict = ConstructDict(DictBox.Text, out alphabet);
}
else
{
MessageBox.Show("Wrong dictionary set", "Error", MessageBoxButtons.OK);
return;
}
int from1 = 0, to1 = 0, ress = 0;
if (curr_mode == MODES.CHANGE)
{
if (!int.TryParse(SC1_1.Text, out from1) || !int.TryParse(SC2_1.Text, out to1) || !(from1 > 1 && to1 > 1))
{
MessageBox.Show("Wrong systems", "Error", MessageBoxButtons.OK);
return;
}
DifferentNum result = null;
if (!DifferentNum.tryParse(FirstBox.Text, from1, dict, out result))
{
MessageBox.Show("Wrong number or system", "Error", MessageBoxButtons.OK);
return;
}
ResultBox.Text = result.ConvertToSys(to1).ToString(alphabet);
}
else
{
if (!int.TryParse(SC1_1.Text, out from1) || !int.TryParse(SC1_2.Text, out to1) || !int.TryParse(SCR.Text, out ress) || !(from1 > 1 && to1 > 1 && ress > 1))
{
MessageBox.Show("Wrong systems", "Error", MessageBoxButtons.OK);
return;
}
DifferentNum op1 = null, op2 = null;
if (!DifferentNum.tryParse(FirstBox.Text, from1, dict, out op1) || !DifferentNum.tryParse(SecondBox.Text, to1, dict, out op2) || (Convert.ToDouble(op2.ConvertToSys(10).ToString(DifferentNum.DecimalDec)).Equals(0) && curr_mode == MODES.DIVISION))
{
MessageBox.Show("Wrong numbers or system", "Error", MessageBoxButtons.OK);
return;
}
switch (curr_mode)
{
case MODES.ADDITION:
ResultBox.Text = op1.Addition(op2).ConvertToSys(ress).ToString(alphabet);
break;
case MODES.SUBTRACTION:
ResultBox.Text = op1.Subtraction(op2).ConvertToSys(ress).ToString(alphabet);
break;
case MODES.MULTIPLICATION:
ResultBox.Text = op1.Multiplication(op2).ConvertToSys(ress).ToString(alphabet);
break;
case MODES.DIVISION:
ResultBox.Text = op1.Division(op2).ConvertToSys(ress).ToString(alphabet);
break;
}
}
}
public DifferentNum ConvertToSys(int sys)
{
DifferentNum val = ConvertTo10();
if (sys == 10)
{
return(val);
}
string value = val.ToString(DecimalDec);
double dval = 0;
long ival = 0;
bool usingInt = false;
if (val.after.Count == 0)
{
ival = Convert.ToInt64(value);
usingInt = true;
}
else
{
ival = Convert.ToInt64(value.Substring(0, value.IndexOf(",")));
dval = Convert.ToDouble("0" + value.Substring(value.IndexOf(",")));
}
DifferentNum r = new DifferentNum();
r.system = sys;
r.sign = sign;
if (sign == -1)
{
ival = -ival;
}
Stack <int> stack = new Stack <int>();
while (ival >= sys)
{
stack.Push((int)ival % sys);
ival /= sys;
}
stack.Push((int)ival);
while (stack.Count != 0)
{
r.before.Add(stack.Pop());
}
if (!usingInt)
{
Queue <int> q = new Queue <int>();
int step = -1;
while (Math.Pow(sys, step) >= 0.0001 && !dval.Equals(0))
{
dval *= sys;
q.Enqueue((int)dval);
dval = dval - (int)dval;
--step;
}
while (q.Count != 0)
{
r.after.Add(q.Dequeue());
}
}
return(r);
}
