Developer`
Developer`
MachineIntegerQ
MachineIntegerQ[expr]
returns True if expr corresponds to a machine‐sized integer, and False otherwise.
更多信息和选项
- To use MachineIntegerQ, you first need to load the Developer Utilities Package using Needs["Developer`"].
- On a typical computer, system machine‐sized integers must lie in the range
to 
or 
to 
. - Results from the Wolfram Language are not affected by whether an integer is machine‐sized or not; the speed of operations may, however, be affected.