/* Usuwa czesc dziesietna (ulamkowa) z liczby */
public void CutDecimalPortion()
{
int resultIndex = CurrentEquationState.IndexOf(',');
if (-1 != resultIndex)
{
CurrentEquationState = CurrentEquationState.Substring(0, resultIndex);
}
}
/* Zmienia wyswietlana liczbe (w dowolnym systemie liczbowym w zaleznosci
* od wybranej dlugosci slowa. Na wejsciu przyjmuje liczbe w systemie
* dziesietnym. */
public void ChangeNumberBaseSystem(string decNumber, NumberBaseSystem fromBase, NumberBaseSystem goalBase)
{
switch (CurrentWordLength)
{
case WordLengths.QWORD:
CurrentEquationState = Convert.ToString(Convert.ToInt64((long.Parse(decNumber)).ToString(), (int)fromBase), (int)goalBase).ToUpper();
break;
case WordLengths.DWORD:
CurrentEquationState = Convert.ToString(Convert.ToInt32(((int)(long.Parse(decNumber))).ToString(), (int)fromBase), (int)goalBase).ToUpper();
break;
case WordLengths.WORD:
CurrentEquationState = Convert.ToString(Convert.ToInt16(((short)(long.Parse(decNumber))).ToString(), (int)fromBase), (int)goalBase).ToUpper();
break;
case WordLengths.BYTE:
CurrentEquationState = Convert.ToString(Convert.ToSByte(((sbyte)(long.Parse(decNumber))).ToString(), (int)fromBase), (int)goalBase).ToUpper();
switch (CurrentNumberBaseSystem)
{
case NumberBaseSystem.Binary:
if (CurrentEquationState.Length > 8)
{
CurrentEquationState = CurrentEquationState.Substring(CurrentEquationState.Length - 8);
}
break;
case NumberBaseSystem.Decimal:
break;
case NumberBaseSystem.Hexadecimal:
if (CurrentEquationState.Length > 2)
{
CurrentEquationState = CurrentEquationState.Substring(CurrentEquationState.Length - 2);
}
break;
case NumberBaseSystem.Octal:
break;
}
break;
}
UpdateDisplay(this, eUpdateArgs);
}