Get the digit-length of an int value

    
#region License
// Copyright (c) 2007 James Newton-King
//
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#endregion

using System;
using System.Collections.Generic;
using System.Text;

namespace Newtonsoft.Json.Utilities
{
  internal class MathUtils
  {

    public static int IntLength(int i)
    {
      if (i < 0)
        throw new ArgumentOutOfRangeException();

      if (i == 0)
        return 1;

      return (int)Math.Floor(Math.Log10(i)) + 1;
    }
  }
}

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Get the digit-length of an int value : int « Data Types « C# / C Sharp

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