本文整理汇总了C#中System.Double.Epsilon字段的典型用法代码示例。如果您正苦于以下问题：C# Double.Epsilon字段的具体用法？C# Double.Epsilon怎么用？C# Double.Epsilon使用的例子？那么恭喜您, 这里精选的字段代码示例或许可以为您提供帮助。您也可以进一步了解该字段所在类System.Double的用法示例。
在下文中一共展示了Double.Epsilon字段的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Main
//引入命名空间
using System;
public class Example
{
public static void Main()
{
double[] values = { 0, Double.Epsilon, Double.Epsilon * .5 };
for (int ctr = 0; ctr <= values.Length - 2; ctr++)
{
for (int ctr2 = ctr + 1; ctr2 <= values.Length - 1; ctr2++)
{
Console.WriteLine("{0:r} = {1:r}: {2}",
values[ctr], values[ctr2],
values[ctr].Equals(values[ctr2]));
}
Console.WriteLine();
}
}
}输出：
0 = 4.94065645841247E-324: False 0 = 0: True 4.94065645841247E-324 = 0: False
示例2: Main
//引入命名空间
using System;
public class Example
{
public static void Main()
{
double[] values = { 0.0, Double.Epsilon };
foreach (var value in values) {
Console.WriteLine(GetComponentParts(value));
Console.WriteLine();
}
}
private static string GetComponentParts(double value)
{
string result = String.Format("{0:R}: ", value);
int indent = result.Length;
// Convert the double to an 8-byte array.
byte[] bytes = BitConverter.GetBytes(value);
// Get the sign bit (byte 7, bit 7).
result += String.Format("Sign: {0}\n",
(bytes[7] & 0x80) == 0x80 ? "1 (-)" : "0 (+)");
// Get the exponent (byte 6 bits 4-7 to byte 7, bits 0-6)
int exponent = (bytes[7] & 0x07F) << 4;
exponent = exponent | ((bytes[6] & 0xF0) >> 4);
int adjustment = exponent != 0 ? 1023 : 1022;
result += String.Format("{0}Exponent: 0x{1:X4} ({1})\n", new String(' ', indent), exponent - adjustment);
// Get the significand (bits 0-51)
long significand = ((bytes[6] & 0x0F) << 48);
significand = significand | ((long) bytes[5] << 40);
significand = significand | ((long) bytes[4] << 32);
significand = significand | ((long) bytes[3] << 24);
significand = significand | ((long) bytes[2] << 16);
significand = significand | ((long) bytes[1] << 8);
significand = significand | bytes[0];
result += String.Format("{0}Mantissa: 0x{1:X13}\n", new String(' ', indent), significand);
return result;
}
}输出：
0: Sign: 0 (+) Exponent: 0xFFFFFC02 (-1022) Mantissa: 0x0000000000000 4.94065645841247E-324: Sign: 0 (+) Exponent: 0xFFFFFC02 (-1022) Mantissa: 0x0000000000001