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Single.IsPositiveInfinity() Method in C# with Examples
The Single.IsPositiveInfinity() method in C# is used to return a value indicating whether the specified number evaluates to positive infinity.
Syntax
The syntax is as follows −
public static bool IsPositiveInfinity (float val);
Above, the parameter val is a single-precision floating-point number.
Example
Let us now see an example −
using System;
public class Demo {
public static void Main() {
float f1 = -25.0f/0.0f;
float f2 = 5.0f/0.0f;
Console.WriteLine("Value1 = "+f1);
Console.WriteLine("Hashcode for Value1 = "+f1.GetHashCode());
Console.WriteLine("TypeCode for Value1 = "+f1.GetTypeCode());
Console.WriteLine("Is Value1 value is positive or negative infinity? = "+Single.IsInfinity(f1));
Console.WriteLine("Is Value1 NaN? = "+Single.IsNaN(f1));
Console.WriteLine("Is Value1 a positive infinity? = "+Single.IsPositiveInfinity(f1));
Console.WriteLine("
Value2 = "+f2);
Console.WriteLine("Hashcode for Value2 = "+f2.GetHashCode());
Console.WriteLine("TypeCode for Value2 = "+f2.GetTypeCode());
Console.WriteLine("Is Value2 value is positive or negative infinity? = "+Single.IsInfinity(f2));
Console.WriteLine("Is Value2 NaN? = "+Single.IsNaN(f2));
Console.WriteLine("Is Value2 a positive infinity? = "+Single.IsPositiveInfinity(f2));
}
}Output
This will produce the following output −
Value1 = -∞ Hashcode for Value1 = -8388608 TypeCode for Value1 = Single Is Value1 value is positive or negative infinity? = True Is Value1 NaN? = False Is Value1 a positive infinity? = False Value2 = ∞ Hashcode for Value2 = 2139095040 TypeCode for Value2 = Single Is Value2 value is positive or negative infinity? = True Is Value2 NaN? = False Is Value2 a positive infinity? = True
Example
Let us now see another example −
using System;
public class Demo {
public static void Main() {
float f1 = 10.0f/0.0f;
float f2 = -3.0f;
Console.WriteLine("Value1 = "+f1);
Console.WriteLine("Hashcode for Value1 = "+f1.GetHashCode());
Console.WriteLine("TypeCode for Value1 = "+f1.GetTypeCode());
Console.WriteLine("Is Value1 value is positive or negative infinity? = "+Single.IsInfinity(f1));
Console.WriteLine("Is Value1 NaN? = "+Single.IsNaN(f1));
Console.WriteLine("Is Value1 a positive infinity? = "+Single.IsPositiveInfinity(f1));
Console.WriteLine("
Value2 = "+f2);
Console.WriteLine("Hashcode for Value2 = "+f2.GetHashCode());
Console.WriteLine("TypeCode for Value2 = "+f2.GetTypeCode());
Console.WriteLine("Is Value2 value is positive or negative infinity? = "+Single.IsInfinity(f2));
Console.WriteLine("Is Value2 NaN? = "+Single.IsNaN(f2));
Console.WriteLine("Is Value2 a positive infinity? = "+Single.IsPositiveInfinity(f2));
}
}Output
This will produce the following output −
Value1 = ∞ Hashcode for Value1 = 2139095040 TypeCode for Value1 = Single Is Value1 value is positive or negative infinity? = True Is Value1 NaN? = False Is Value1 a positive infinity? = True Value2 = -3 Hashcode for Value2 = -1069547520 TypeCode for Value2 = Single Is Value2 value is positive or negative infinity? = False Is Value2 NaN? = False Is Value2 a positive infinity? = False
Updated on: 04-Dec-2019
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