Even under version 7.2, Vim does only floating-pointarithmetic if one of the operands is explicitly floating-point.
即使对于版本7.2,如果其中一个运算对象被明确声明为浮点类型,那么Vim只支持浮点算术。
2
Many of the familiar algebraic rules for real number arithmetic do not always hold for floating-pointarithmetic.
对于浮点算法而言,许多惯用的实数算法代数规则有时并不适用。
3
A processor interprets a stream of data as instructions to execute; it has one or more processing units that perform integer and floating-pointarithmetic as well as more advanced computations.