internal Bignum(double value) : this()
{
string number = value.ToString("e14", CultureInfo.InvariantCulture);
int eIndex = number.IndexOf('e');
if (number[eIndex - 1] == '0')
{
int count = 0;
for (int i = eIndex - 1; i > number.IndexOf('.') + 1; i--)
{
if (number[i] == '0')
count++;
else
break;
}
number = number.Remove(eIndex - count, count);
}
number = number.Remove(number.IndexOf('.'), 1);
int exp = int.Parse(number.Substring(number.IndexOf('e') + 1), CultureInfo.InvariantCulture);
exp -= number.IndexOf('e') - 1;
if (value < 0)
exp++;
string dd = number.Remove(number.IndexOf('e'));
long digits = long.Parse(dd, CultureInfo.InvariantCulture);
IronMath.integer x = IronMath.integer.make((int)digits);
IronMath.integer y = IronMath.integer.make(10).pow(exp);
this.value = IronMath.integer.multiply(x, y);
}
public Bignum(int sign, string number, int bas)
: this()
{
value = IronMath.integer.ZERO;
for (int i = 0; i < number.Length ; i++)
{
uint digit = (uint)(char.IsDigit(number[i]) ? number[i] - '0' : number[i] - 'A' + 10);
value = value * bas + digit;
}
value *= sign;
}
internal Bignum(IronMath.integer value): this()
{
this.value = value;
}
internal Bignum(long value): this()
{
this.value = IronMath.integer.make(value);
}
