//------------------------------------------------------------
// convert into a string
public override string ToString(uint Base)
{
// first the sign
string str = (_Sign) ? "-" : "";
// numbers of digits separated by '.'
int step = 4;
// now the base-indication
switch (Base)
{
case 2: str += "0b"; break;
case 8: str += "0o"; break;
case 10: step = 3; break;
case 16: str += "0x"; break;
default: str += '[' + Base.ToString() + ']'; break;
}
// if the base is a power of 2
// let's calc the binary logarithm
bool poweroftwo = ((Base & (Base - 1)) == 0);
if (poweroftwo)
{
uint b = Base;
Base = 0;
while (b > 1)
{
b >>= 1; Base++;
}
;
}
// generate reversed string of digits
CNumber_Integer tmp = (CNumber_Integer)Clone();
string num = String.Empty;
int cnt = 0;
do
{
if (cnt == step)
{
cnt = 0; num += '.';
}
uint rem = (poweroftwo) ? tmp.ShiftRight((int)Base) : tmp.Divide(Base);
num += (char)((rem > 9) ? (rem - 10 + 'A') : (rem + '0'));
cnt++;
} while (!tmp.IsZero);
for (int i = num.Length - 1; i >= 0; i--)
{
str += num[i];
}
return(str);
}
//------------------------------------------------------------
// create a string to a base of a power of 2
protected string toString_2ish_base(uint Base)
{
uint bits = log_bin(Base);
// generate reversed string of digits
CNumber_Integer tmp = (CNumber_Integer)Clone();
string num = String.Empty;
int cnt = 0;
do
{
if (cnt == 4)
{
cnt = 0; num += '.';
}
uint rem = tmp.ShiftRight(bits);
num += (char)((rem > 9) ? (rem - 10 + 'A') : (rem + '0'));
++cnt;
} while (!tmp.IsZero);
return(num);
}