The minusp, plusp and zerop tests for an int64 object.
system
int64-minusp x => result
int64-plusp x => result
int64-zerop x => result
| x⇩ |
An int64 object or an integer of type (signed-byte 64). |
| result |
A boolean. |
The function int64-minusp tests whether its argument x is int64< than the value of +int64-0+.
The function int64-plusp tests whether its argument x is int64> than the value of +int64-0+.
The function int64-zerop tests whether its argument x is int64= to the value of +int64-0+.
See the section 28.2.3 Fast 64-bit arithmetic for more information about the INT64 API.
LispWorks® User Guide and Reference Manual - 01 Dec 2021 19:31:02