-(**
- Module: Aux
- Description: all auxiliary functions
- @author WANG Haisheng
- Created: 12/08/2013 Modified: 13/08/2013
-*)
-
-let array_map2 = fun f -> fun a -> fun b ->
- let n1 = Array.length a in
- let n2 = Array.length b in
- if n1 = n2 then Array.init n1 (fun i -> f a.(i) b.(i))
- else raise (Invalid_argument "Array.map2 size not matched.");;
-
-let array_map3 = fun f -> fun a -> fun b -> fun c ->
- let n1 = Array.length a in
- let n2 = Array.length b in
- let n3 = Array.length c in
- if n1 = n2 && n1 = n3 then Array.init n1 (fun i -> f a.(i) b.(i) c.(i))
- else raise (Invalid_argument "Array.map3 size not matched.");;
-
-let decorate = fun s -> " Faustine -> " ^ s;;
-
-let xor : bool -> bool -> bool =
- fun a -> fun b -> (a || b) && (not (a && b));;
-
-let rint : float -> float =
- fun f ->
- if (f -. (floor f)) >= 0.5 then ceil f
- else floor f;;
-
-let remainder_float : float -> float -> float =
- fun f1 -> fun f2 ->
- let r = mod_float f1 f2 in
- if (abs_float r) > ((abs_float f2) /. 2.) then
- (if r *. f2 > 0. then (r -. f2) else (r +. f2))
- else r;;