数字日期和时间
在Golang中执行整数和浮点数的数学运算时很简单的。 尽管如此，如果你需要执行分数、数组或者是日期和时间的运算的话，就得做更多的工作了。 本章集中讨论的就是这些主题。
- 数字的四舍五入
- 执行精确的浮点数运算
- 数字的格式化输出
- 二八十六进制整数
- 字节到大整数的打包与解包
- 复数的数学运算
- 无穷大与NaN
- 分数运算
- 大型数组运算
- 矩阵与线性代数运算
- 随机选择
- 基本的日期与时间转换
- 计算上一个周五的日期
- 计算当前月份的日期范围
- 字符串转换为日期
- 结合时区的日期操作
- [work in progress] Representing Enums in Go
- [work in progress] Checking Whether a String Is a Valid Number
- Rounding Floating-Point Numbers
- Comparing Floating-Point Numbers
- Operating on a Series of Integers
- Working with Roman Numerals
- Generating Random Numbers
- Generating Repeatable Random Number Sequences
- Making Numbers Even More Random
- Generating Biased Random Numbers
- Doing Trigonometry in Degrees, Not Radians
- Calculating More Trigonometric Functions
- Taking Logarithms
- Multiplying Matrices
- Using Complex Numbers
- Converting Binary, Octal, and Hexadecimal Numbers
- Putting Commas in Numbers
- Printing Correct Plurals
- inding Today's Date
- Converting DMYHMS to Epoch Seconds
- Converting Epoch Seconds to DMYHMS
- Adding to or Subtracting from a Date
- Difference of Two Dates
- Day in a Week/Month/Year or Week Number
- Parsing Dates and Times from Strings
- Printing a Date
- High-Resolution Timers
- Short Sleeps