The generic type real , in its current implementation , is equivalent to double 翻译:通常的实数类型,在当前的使用中,等同于双精度实数。
A real type defines a set of numbers that can be represented with floating - point notation . the table below gives the ranges and storage formats for the fundamental real types 翻译:实数类型定义了一组可以以浮点记号描述的数。下表给出了重要的实数类型的范围和存储格式。