8.1. Numeric Types
8.1.数字类型
Numeric types consist of two-, four-, and eight-byte integers, four- and eight-byte floating-point numbers,
and selectable-precision decimals. Table 8.2 lists the available types.
数字类型包括2字节整数、四字节整数和八字节整数，以及四字节和八字节浮点数和可选精度小数类型。表8.2列出了可用数据类型。
The syntax of constants for the numeric types is described in Section 4.1.2. The numeric types have a
full set of corresponding arithmetic operators and functions. Refer to Chapter 9 for more information.
The following sections describe the types in detail.
