vbroadcast ( u n -- v ) (original) (raw)
vbroadcast ( u n -- v )
Factor handbook » The language » Numbers » Vector operations » Vector shuffling, packing, and unpacking
| Prev: | vshuffle ( v perm -- w ) |
|---|---|
| Next: | hlshift ( v n -- w ) |
Inputs
| u | a SIMD array |
|---|---|
| n | a non-negative integer |
Outputs
| v | a SIMD array |
|---|
Word description
Outputs a new SIMD array of the same type as u where every element is equal to the nth element of u.
Examples
USING: alien.c-types math.vectors math.vectors.simd prettyprint ; int-4{ 69 42 911 13 } 2 vbroadcast .
int-4{ 911 911 911 911 }
Definition
GENERIC#: vbroadcast 1 ( u n -- v )
Methods
USING: kernel math.vectors sequences ;
M:: object vbroadcast ( u n -- v )
u length n u nth u like ; inline
USING: kernel math.vectors math.vectors.simd sequences ;
M: simd-128 vbroadcast swap [ nth ] [ simd-with ] bi ; inline