private static int[] Complement(ILexoNumeralSystem sys, int[] mag, int digits)
{
if (digits <= 0)
{
throw new LexoException("Expected at least 1 digit");
}
var nmag = new int[digits];
nmag.Fill(sys.GetBase() - 1);
for (var i = 0; i < mag.Length; ++i)
{
nmag[i] = sys.GetBase() - 1 - mag[i];
}
return(nmag);
}
private static int[] Multiply(ILexoNumeralSystem sys, int[] l, int[] r)
{
var result = new int[l.Length + r.Length];
for (var li = 0; li < l.Length; ++li)
{
for (var ri = 0; ri < r.Length; ++ri)
{
var resultIndex = li + ri;
for (result[resultIndex] += l[li] * r[ri];
result[resultIndex] >= sys.GetBase();
result[resultIndex] -= sys.GetBase())
{
++result[resultIndex + 1];
}
}
}
return(result);
}
private static int[] Add(ILexoNumeralSystem sys, IReadOnlyList <int> l, IReadOnlyList <int> r)
{
var estimatedSize = Math.Max(l.Count, r.Count);
var result = new int[estimatedSize];
var carry = 0;
for (var i = 0; i < estimatedSize; ++i)
{
var lNum = i < l.Count ? l[i] : 0;
var rNum = i < r.Count ? r[i] : 0;
var sum = lNum + rNum + carry;
for (carry = 0; sum >= sys.GetBase(); sum -= sys.GetBase())
{
++carry;
}
result[i] = sum;
}
return(ExtendWithCarry(result, carry));
}
public static LexoDecimal Half(ILexoNumeralSystem sys)
{
var mid = sys.GetBase() / 2;
return(Make(LexoInteger.Make(sys, 1, new[] { mid }), 1));
}
