Floor
The floor
instructions, are used for getting the value of a number rounded down to the next integer.
floor
differs from trunc
when used on negative numbers, floor
will round down in those cases while trunc
will round up.
Try it
Syntax
wasm
;; load a number onto the stack
f32.const -2.7
;; round down
f32.floor
;; the top item on the stack will now be -3
Instruction | Binary opcode |
---|---|
f32.floor |
0x8e |
f64.floor |
0x9c |