This function matches the positions of two numeric vectors as good as possible.

## Arguments

- x
A `numeric`

vector.

- y
Another `numeric`

vector of the same length as `x`

.

## Value

An `integer`

vector of length `length(x)`

with the positions of `y`

in `x`

.

## Examples

```
if (FALSE) {
x <- c(-1, 0, 1)
y <- c(0.1, 2, -1.2)
match_all(x = x, y = y)
}
```