C#-এ Double.IsPositiveInfinity() মেথড একটি নির্দিষ্ট ডাবল মান পজিটিভ ইনফিনিটি (ধনাত্মক অসীম) কিনা তা যাচাই করে। এটি একটি বুলিয়ান মান ফেরত দেয়।
সিনট্যাক্স
public static bool IsPositiveInfinity (double val);
এখানে, val হলো একটি ডাবল-প্রিসিশন ফ্লোটিং-পয়েন্ট সংখ্যা।
উদাহরণ ১
using System;
public class Demo {
public static void Main() {
double d = 1.0 / 0.0;
Console.WriteLine("Double Value = " + d);
Console.WriteLine("HashCode of Double Value = " + d.GetHashCode());
TypeCode type = d.GetTypeCode();
Console.WriteLine("TypeCode of Double Value = " + type);
Console.WriteLine("Positive Infinity? = " + Double.IsInfinity(d));
Console.WriteLine("Check whether the specified value is NaN? = " + Double.IsNaN(d));
Console.WriteLine("Does the value evaluate to negative infinity? = " + Double.IsNegativeInfinity(d));
Console.WriteLine("Does the value evaluate to positive infinity? = " + Double.IsPositiveInfinity(d));
}
}
আউটপুট
Double Value = ∞ HashCode of Double Value = 2146435072 TypeCode of Double Value = Double Positive Infinity? = True Check whether the specified value is NaN? = False Does the value evaluate to negative infinity? = False Does the value evaluate to positive infinity? = True
উদাহরণ ২
using System;
public class Demo {
public static void Main() {
double d = -50.0 / 0.0;
Console.WriteLine("Double Value = " + d);
Console.WriteLine("HashCode of Double Value = " + d.GetHashCode());
TypeCode type = d.GetTypeCode();
Console.WriteLine("TypeCode of Double Value = " + type);
Console.WriteLine("Positive Infinity? = " + Double.IsInfinity(d));
Console.WriteLine("Check whether the specified value is NaN? = " + Double.IsNaN(d));
Console.WriteLine("Does the value evaluate to negative infinity? = " + Double.IsNegativeInfinity(d));
Console.WriteLine("Does the value evaluate to positive infinity? = " + Double.IsPositiveInfinity(d));
}
}
আউটপুট
Double Value = -∞ HashCode of Double Value = -1048576 TypeCode of Double Value = Double Positive Infinity? = True Check whether the specified value is NaN? = False Does the value evaluate to negative infinity? = True Does the value evaluate to positive infinity? = False
