The minusp, plusp and zerop tests for an int32 object.
system
int32-minusp x => result
int32-plusp x => result
int32-zerop x => result
| x⇩ |
An int32 object or an integer of type (signed-byte 32). |
| result |
A boolean. |
The function int32-minusp tests whether its argument x is int32< than the value of +int32-0+.
The function int32-plusp tests whether its argument x is int32> than the value of +int32-0+.
The function int32-zerop tests whether its argument x is int32= to the value of +int32-0+.
See the section 28.2.2 Fast 32-bit arithmetic for more information about the INT32 API.
LispWorks® User Guide and Reference Manual - 01 Dec 2021 19:31:02