Price fraction: Difference between revisions

=={{header|C#}}==

<lang csharp>namespace ConsoleApplication1

{

class Program

{

static void Main(string[] args)

{

for (int x = 0; x < 10; x++)

{

Console.WriteLine("In: {0:0.00}, Out: {1:0.00}", ((double)x) / 10, SpecialRound(((double)x) / 10));

}

Console.WriteLine();

for (int x = 0; x < 10; x++)

{

Console.WriteLine("In: {0:0.00}, Out: {1:0.00}", ((double)x) / 10 + 0.05, SpecialRound(((double)x) / 10 + 0.05));

}

Console.WriteLine();

Console.WriteLine("In: {0:0.00}, Out: {1:0.00}", 1.01, SpecialRound(1.01));

Console.Read();

}

private static double SpecialRound(double inValue)

{

if (inValue > 1) return 1;

double[] Splitters = new double[] {

0.00 , 0.06 , 0.11 , 0.16 , 0.21 ,

0.26 , 0.31 , 0.36 , 0.41 , 0.46 ,

0.51 , 0.56 , 0.61 , 0.66 , 0.71 ,

0.76 , 0.81 , 0.86 , 0.91 , 0.96 };

double[] replacements = new double[] {

0.10 , 0.18 , 0.26 , 0.32 , 0.38 ,

0.44 , 0.50 , 0.54 , 0.58 , 0.62 ,

0.66 , 0.70 , 0.74 , 0.78 , 0.82 ,

0.86 , 0.90 , 0.94 , 0.98 , 1.00 };

for (int x = 0; x < Splitters.Length - 1; x++)

{

if (inValue >= Splitters[x] &&

inValue < Splitters[x + 1])

{

return replacements[x];

}

}

return inValue;

}

}

}</lang>