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| author | Alain Frisch <alain@frisch.fr> | 2013-09-17 11:54:31 +0000 |
|---|---|---|
| committer | Alain Frisch <alain@frisch.fr> | 2013-09-17 11:54:31 +0000 |
| commit | 2373f76c36193cd94bbb6707dc0ec0cfcae3ee75 (patch) | |
| tree | 78476c9174a18945211629e6b5539b1ce893ad54 /stdlib | |
| parent | 9a4a94436389aebb4265b02f6abe49cb92baffab (diff) | |
#6180: efficient creation of uninitialized float arrays.
git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@14156 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
Diffstat (limited to 'stdlib')
| -rw-r--r-- | stdlib/array.ml | 1 | ||||
| -rw-r--r-- | stdlib/array.mli | 3 |
2 files changed, 4 insertions, 0 deletions
diff --git a/stdlib/array.ml b/stdlib/array.ml index 68c203315..1990a78b8 100644 --- a/stdlib/array.ml +++ b/stdlib/array.ml @@ -25,6 +25,7 @@ external append_prim : 'a array -> 'a array -> 'a array = "caml_array_append" external concat : 'a array list -> 'a array = "caml_array_concat" external unsafe_blit : 'a array -> int -> 'a array -> int -> int -> unit = "caml_array_blit" +external make_float: int -> float array = "caml_make_float_vect" let init l f = if l = 0 then [||] else diff --git a/stdlib/array.mli b/stdlib/array.mli index 6913e2eb6..7c0049e28 100644 --- a/stdlib/array.mli +++ b/stdlib/array.mli @@ -150,6 +150,9 @@ val fold_right : ('b -> 'a -> 'a) -> 'b array -> 'a -> 'a [f a.(0) (f a.(1) ( ... (f a.(n-1) x) ...))], where [n] is the length of the array [a]. *) +external make_float: int -> float array = "caml_make_float_vect" +(** [Array.make_float n] returns a fresh float array of length [n], + with uninitialized data. *) (** {6 Sorting} *) |