C# Single.IsFinite()用法及代码示例

Single.IsFinite()方法用于检查float值是否超出范围。

用法： public static bool IsFinite (float value);

返回值：如果值是有限的，则此方法返回true，否则返回false。

以下示例程序旨在说明Single.IsFinite()方法的使用：

示例1:

// C# program to demonstrate the 
// Single.IsFinite() Method 
using System; 
using System.Globalization; 
  
class GFG { 
  
    // Main Method 
    public static void Main() 
    { 
        // Declaring and initializing value1 
        float value1 = 1654.268416f; 
  
        // using IsFinite() method 
        bool value = Single.IsFinite(value1); 
  
         // Displaying the result 
        if (value) 
            Console.WriteLine("{0} is finite", value1); 
        else
            Console.WriteLine("{0} is not finite", value1); 
    } 
}

输出：

1654.268 is finite

示例2:

// C# program to demonstrate the 
// Single.IsFinite() Method 
using System; 
using System.Globalization; 
  
class GFG { 
  
    // Main Method 
    public static void Main() 
    { 
        // Declaring and initializing value1 
        float value1 = (float)Math.Pow(2, 10000000); 
  
        // using IsFinite() method 
        bool value = Single.IsFinite(value1); 
  
         // Displaying the result 
        if (value) 
            Console.WriteLine("{0} is finite", value1); 
        else
            Console.WriteLine("{0} is not finite", value1); 
    } 
}

输出：

Infinity is not finite

参考：

https://docs.microsoft.com/en-us/dotnet/api/system.single.isfinite?view=netstandard-2.1

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注：本文由纯净天空筛选整理自RohitPrasad3大神的英文原创作品 Single.IsFinite() Method in C# with Examples。非经特殊声明，原始代码版权归原作者所有，本译文未经允许或授权，请勿转载或复制。