Sha256: 067b78dccbe7230d4f71f53c355d354056f51ec9ac55b03226b48936cf3715fb
Contents?: true
Size: 1.26 KB
Versions: 203
Compression:
Stored size: 1.26 KB
Contents
using System;
using System.Collections.Generic;
using System.Linq;
public static class Base
{
public static int[] Rebase(int inputBase, int[] inputDigits, int outputBase)
{
if (inputBase < 2) throw new ArgumentException("Invalid input base.");
if (outputBase < 2) throw new ArgumentException("Invalid output base.");
if (inputDigits.Length == 0) throw new ArgumentException("Empty input digits.");
return ToDigits(outputBase, FromDigits(inputBase, inputDigits));
}
private static int FromDigits(int fromBase, int[] fromDigits)
{
return fromDigits.Aggregate(0, (acc, x) =>
{
if (x < 0 || x >= fromBase || (x == 0 & acc == 0)) throw new ArgumentException("Invalid input digit");
return acc*fromBase + x;
});
}
private static int[] ToDigits(int toBase, int x)
{
var digits = new List<int>();
var remainder = x;
var multiplier = 1;
while (remainder > 0)
{
multiplier *= toBase;
var value = remainder % multiplier;
var digit = value/(multiplier/toBase);
digits.Add(digit);
remainder -= value;
}
digits.Reverse();
return digits.ToArray();
}
}
Version data entries
203 entries across 203 versions & 1 rubygems