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  1. using System;
  2.  
  3. namespace ConsoleApplication3
  4. {
  5.     namespace ConsoleApplication
  6.     {
  7.         public class Program
  8.         {
  9.             public static void Main()
  10.             {
  11.                 double d = 1.0;
  12.                 d -= 0.3;
  13.                 d -= 0.2;
  14.                 d += 0.2;
  15.                 d += 0.2;
  16.                 d += 0.2;
  17.                 d += 0.2;
  18.                 d += 0.2;
  19.  
  20.                 Console.WriteLine("Standard formatting: {0}", d);
  21.                 Console.WriteLine("Internal Representation: {0:r}", d);
  22.                 Console.WriteLine("Console WriteLine 0 decimals: {0:0}", d);
  23.                 Console.WriteLine("0 decimals Math.Round: {0}", Math.Round(d, MidpointRounding.AwayFromZero));
  24.                 Console.WriteLine("15 decimals then 0 decimals Math.Round: {0}", Math.Round(Math.Round(d, 15, MidpointRounding.AwayFromZero), MidpointRounding.AwayFromZero));
  25.              }
  26.         }
  27.     }
  28. }
  29.  
Success #stdin #stdout 0.04s 33952KB
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stdin
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Standard input is empty
stdout
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Standard formatting: 1.5
Internal Representation: 1.4999999999999998
Console WriteLine 0 decimals: 2
0 decimals Math.Round: 1
15 decimals then 0 decimals Math.Round: 2
https://ideone.com/ZBEis9
language:
C# (gmcs 5.20.1)
created:
11 years ago
visibility:
public

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