By 22/07/2015 12 Comments

C# Floating Points

  • They contain fractional points values (e.g.: 1.80, 3.14 etc).
  • This type is being used to store fractional point values.
  • This type is especially useful for mathematical problems such as gravity of earth, pi value etc.
  • In C# double data type is being mostly used in many cases because it has a greater range than float.
DATA TYPE WIDTH IN BITS RANGE
float 32 1.5E–45 to 3.4E+38
double 64 5E–324 to 1.7E+308

Example:

using System;
namespace csharpBasic
{
    // Start class definition / declaration.
    class Program
    {
        // Static main method void type declaration.
        static void Main(string[] args)
        {

            /* float type variable initialization.
             * A character F is being used as a suffix which indicates that this is a float type.
            */
            float pi = 3.14F;

            // Print variable.
            Console.WriteLine("Pi: " + pi);

            // double type variable initialization.
            double gravity = 9.8;
            Console.WriteLine("Gravity of earth is: " + gravity);
            Console.ReadKey();

        } // End of main method definition. 
    } // End of class. 
}





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