Double.PositiveInfinity in c# returns ∞; is there a method to display "Infinity"?

Question

In .Net 4, Double.PositiveInfinity returns ∞

Is there a method to display "Infinity"

using System; public class Program { public static void Main() { Console.WriteLine("PositiveInfinity {0}.", (Double.PositiveInfinity)); } }

expected is PositiveInfinity Infinity., but the actual output is PositiveInfinity ∞.

Just use a conditional statement like double x = double.PositiveInfinity; Console.WriteLine("PositiveInfinity {0}.", Double.PositiveInfinity == x ? "Infinity": x.ToString());... — Chayim Friedman
– Chayim Friedman, Commented Apr 19, 2019 at 5:17
Thanks, I wanted to know if there is a inbuilt method rather than hardcoding the value. because it used to display "infinity" for versions before .net 4 — Priyanka
– Priyanka, Commented Apr 19, 2019 at 5:19

demonplus · Accepted Answer · 2019-04-19 05:27:23Z

This can be done by configuring the Current Thread culture. You can set your positive and negative infinity symbols there. Something like this:

var ci = (CultureInfo)Thread.CurrentThread.CurrentCulture.Clone(); ci.NumberFormat.NegativeInfinitySymbol = "-Infinity"; ci.NumberFormat.PositiveInfinitySymbol = "+Infinity"; Thread.CurrentThread.CurrentCulture = ci; Console.WriteLine("PositiveInfinity {0}.", (Double.PositiveInfinity));

Hope this helps!

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