public object Clone()
{
var clone = new BigIntWithUnit();
for (var i = 0; i < _intArray.Count; i++)
{
clone.SafeSetPart(i, _intArray[i]);
}
return(clone);
}
private static BigIntWithUnit CreateNumberFromDecimalString(string[] numberAsString)
{
var result = new BigIntWithUnit(numberAsString[0]);
if (numberAsString.Length > 1)
{
var decimalPart = numberAsString[1];
decimalPart = decimalPart.PadRight(3, '0');
result.SafeSetPart(0, ushort.Parse(decimalPart.Substring(0, 3)));
}
return(result);
}
/// <summary>
/// Calculates number + (number * percent / 100)
/// </summary>
/// <param name="percent"></param>
public void IncreasePercent(int percent)
{
var thousand = percent * 10;
var toAdd = new BigIntWithUnit();
var overflow = (ushort)(_intArray[0] * thousand / 1000);
for (var i = 1; i <= _intArray.Count + 1; i++)
{
var result = SafeGetPart(i) * thousand;
result += overflow;
toAdd.SafeSetPart(i - 1, (ushort)(result % 1000));
overflow = (ushort)(result / 1000);
}
Add(toAdd);
}
/// <summary>
/// Divides this to elem2 with presision of two digits after comma
/// </summary>
public BigIntWithUnit Divide(BigIntWithUnit elem2)
{
if (elem2 == 0 || this == 0)
{
return(0);
}
Trim();
elem2.Trim();
if (_intArray.Count - elem2._intArray.Count > 1)
{
BigIntWithUnit recursionTemp = (BigIntWithUnit)Clone();
recursionTemp.ShiftRight(3);
BigIntWithUnit recursionResult = recursionTemp.Divide(elem2);
recursionResult.ShiftLeft(3);
return(recursionResult);
}
if (elem2._intArray.Count - _intArray.Count > 1)
{
return(0);
}
//Actual division by substraction
//Only need the first two parts because of accuracy
BigIntWithUnit tempElem1 = 0;
BigIntWithUnit tempElem2 = 0;
if (_intArray.Count == elem2._intArray.Count)
{
tempElem1.SafeSetPart(0, SafeGetPart(_intArray.Count - 2));
tempElem1.SafeSetPart(1, SafeGetPart(_intArray.Count - 1));
tempElem2.SafeSetPart(0, elem2.SafeGetPart(elem2._intArray.Count - 2));
tempElem2.SafeSetPart(1, elem2.SafeGetPart(elem2._intArray.Count - 1));
}
else if (elem2._intArray.Count > _intArray.Count)
{
tempElem1.SafeSetPart(0, SafeGetPart(_intArray.Count - 1));
tempElem2.SafeSetPart(0, elem2.SafeGetPart(elem2._intArray.Count - 2));
tempElem2.SafeSetPart(1, elem2.SafeGetPart(elem2._intArray.Count - 1));
}
else
{
tempElem1.SafeSetPart(0, SafeGetPart(_intArray.Count - 2));
tempElem1.SafeSetPart(1, SafeGetPart(_intArray.Count - 1));
tempElem2.SafeSetPart(0, elem2.SafeGetPart(elem2._intArray.Count - 1));
}
BigIntWithUnit result = 0;
int j = 0;
if (tempElem2 == 0)
{
return(0);
}
while (tempElem2 < 100)
{
tempElem2.ShiftLeft(1);
j++;
}
for (var i = j; i > -3; i--)
{
while (tempElem1 >= tempElem2 && tempElem2 != 0)
{
tempElem1.Sub(tempElem2);
result += Math.Pow(10, i);
}
var toAdd = (tempElem2.SafeGetPart(1) * 100) % 1000;
tempElem2.SafeSetPart(1, (ushort)(tempElem2.SafeGetPart(1) / 10));
tempElem2.SafeSetPart(0, (ushort)(tempElem2.SafeGetPart(0) / 10 + toAdd));
}
return(result);
}