Csharp/C Sharp by API/System/Single — различия между версиями

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м (1 версия)
 
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Текущая версия на 12:12, 26 мая 2010

Single.MaxValue

 

using System;
class Test {
  public static void Main() {
       // First, print out the minimum values
       Console.WriteLine("System Minimums\n");
       Console.WriteLine( "MinSByte {0}", System.SByte.MinValue);
       Console.WriteLine( "MinByte {0}", System.Byte.MinValue);
       Console.WriteLine( "MinInt16 {0}", System.Int16.MinValue);
       Console.WriteLine( "MinUInt16 {0}", System.UInt16.MinValue);
       Console.WriteLine( "MinInt32 {0}", System.Int32.MinValue);
       Console.WriteLine( "MinUInt32 {0}", System.UInt32.MinValue);
       Console.WriteLine( "MinInt64 {0}", System.Int64.MinValue);
       Console.WriteLine( "MinUInt64 {0}", System.UInt64.MinValue);
       Console.WriteLine( "MinChar {0}", System.Char.MinValue);
       Console.WriteLine( "MinSingle {0}", System.Single.MinValue);
       Console.WriteLine( "MinDouble {0}", System.Double.MinValue);
       // Console.WriteLine( "MinBoolean {0}", System.Boolean.MinValue);
       Console.WriteLine( "MinDecimal {0}", System.Decimal.MinValue);
    
       Console.WriteLine("\nSystem Maximums\n");
       Console.WriteLine( "MaxSByte {0}", System.SByte.MaxValue);
       Console.WriteLine( "MaxByte {0}", System.Byte.MaxValue);
       Console.WriteLine( "MaxInt16 {0}", System.Int16.MaxValue);
       Console.WriteLine( "MaxUInt16 {0}", System.UInt16.MaxValue);
       Console.WriteLine( "MaxInt32 {0}", System.Int32.MaxValue);
       Console.WriteLine( "MaxUInt32 {0}", System.UInt32.MaxValue);
       Console.WriteLine( "MaxInt64 {0}", System.Int64.MaxValue);
       Console.WriteLine( "MaxUInt64 {0}", System.UInt64.MaxValue);
       Console.WriteLine( "MaxChar {0}", System.Char.MaxValue);
       Console.WriteLine( "MaxSingle {0}", System.Single.MaxValue);
       Console.WriteLine( "MaxDouble {0}", System.Double.MaxValue);
       Console.WriteLine( "MaxDecimal {0}", System.Decimal.MaxValue);
  }
}


Single.MinValue

 

using System;
class Test {
  public static void Main() {
       // First, print out the minimum values
       Console.WriteLine("System Minimums\n");
       Console.WriteLine( "MinSByte {0}", System.SByte.MinValue);
       Console.WriteLine( "MinByte {0}", System.Byte.MinValue);
       Console.WriteLine( "MinInt16 {0}", System.Int16.MinValue);
       Console.WriteLine( "MinUInt16 {0}", System.UInt16.MinValue);
       Console.WriteLine( "MinInt32 {0}", System.Int32.MinValue);
       Console.WriteLine( "MinUInt32 {0}", System.UInt32.MinValue);
       Console.WriteLine( "MinInt64 {0}", System.Int64.MinValue);
       Console.WriteLine( "MinUInt64 {0}", System.UInt64.MinValue);
       Console.WriteLine( "MinChar {0}", System.Char.MinValue);
       Console.WriteLine( "MinSingle {0}", System.Single.MinValue);
       Console.WriteLine( "MinDouble {0}", System.Double.MinValue);
       // Console.WriteLine( "MinBoolean {0}", System.Boolean.MinValue);
       Console.WriteLine( "MinDecimal {0}", System.Decimal.MinValue);
    
       Console.WriteLine("\nSystem Maximums\n");
       Console.WriteLine( "MaxSByte {0}", System.SByte.MaxValue);
       Console.WriteLine( "MaxByte {0}", System.Byte.MaxValue);
       Console.WriteLine( "MaxInt16 {0}", System.Int16.MaxValue);
       Console.WriteLine( "MaxUInt16 {0}", System.UInt16.MaxValue);
       Console.WriteLine( "MaxInt32 {0}", System.Int32.MaxValue);
       Console.WriteLine( "MaxUInt32 {0}", System.UInt32.MaxValue);
       Console.WriteLine( "MaxInt64 {0}", System.Int64.MaxValue);
       Console.WriteLine( "MaxUInt64 {0}", System.UInt64.MaxValue);
       Console.WriteLine( "MaxChar {0}", System.Char.MaxValue);
       Console.WriteLine( "MaxSingle {0}", System.Single.MaxValue);
       Console.WriteLine( "MaxDouble {0}", System.Double.MaxValue);
       Console.WriteLine( "MaxDecimal {0}", System.Decimal.MaxValue);
  }
}


Single.Parse

 
using System;
using System.Data;

class Class1{
        static void Main(string[] args){
      string IsNotNum = "111west";
      string IsNum = "  +111  ";
      string IsFloat = "  23.11  ";
      string IsExp = "  +23 e+11  ";
      
      Console.WriteLine(int.Parse(IsNum));    
        Console.WriteLine(float.Parse(IsNum));    // 111
      Console.WriteLine(float.Parse(IsFloat));  // 23.11
      //Console.WriteLine(float.Parse(IsExp));  // throws
      
      try
      {
        Console.WriteLine(int.Parse(IsNotNum));
      }
      catch (FormatException e)
      {
        Console.WriteLine("Not a numeric value: {0}", e.ToString());  // throws
      }
        }
}