private bool СheckNumber(ref numberСharacteristic number)
{
number.value.Replace('.', ',');
number.value.Replace(" ", "");
if (!Decimal.TryParse(number.value.ToString(), out number.decimalValue))
{
return(false);
}
int k = 0;
for (int i = number.value.Length - 1; i >= 0; i--)
{
if (k <= 2 && (number.value[i] == ',' || number.value[i] == '.'))
{
number.point_position = k;
return(true);
}
else if (k > 2 && (number.value[i] == ',' || number.value[i] == '.'))
{
number.point_position = -1;
return(false);
}
k++;
}
number.point_position = 0;
return(true);
}
public string Сalculate(numberСharacteristic fNumber, numberСharacteristic sNumber, int operationNumber)
{
StringBuilder result = new StringBuilder();
switch (operationNumber)
{
case 0:
result.Append(Addition(fNumber, sNumber));
break;
case 1:
result.Append(Subtraction(fNumber, sNumber));
break;
case 2:
result.Append(Multiply(fNumber, sNumber));
decimal resultNumber = Math.Round(Decimal.Parse(result.ToString()), 2, 0);
result.Length = 0;
result.Append(resultNumber);
break;
case 3:
result.Append(Divide(fNumber, sNumber));
decimal resNumber = Math.Round(Decimal.Parse(result.ToString()), 2, 0);
result.Length = 0;
result.Append(resNumber);
fNumber.point_position = FormatResultDivide(result);
sNumber.point_position = 0;
break;
default:
break;
}
return(FormatResult(result, fNumber.point_position, sNumber.point_position).ToString());
}
private StringBuilder Divide(numberСharacteristic fNumber, numberСharacteristic sNumber)
{
StringBuilder resultNumber = new StringBuilder();
decimal firstNumber = Decimal.Parse(fNumber.value.ToString());
decimal secondNumber = Decimal.Parse(sNumber.value.ToString());
return(resultNumber.Append(Decimal.Divide(firstNumber, secondNumber)));
}
private StringBuilder Subtraction(numberСharacteristic fNumber, numberСharacteristic sNumber)
{
StringBuilder result = new StringBuilder();
decimal firstNumber = Decimal.Parse(fNumber.value.ToString());
decimal secondNumber = Decimal.Parse(sNumber.value.ToString());
return(result.Append(firstNumber - secondNumber));
}