From a6b5a6bdd138a5ccc6827bcc73580df1e9218820 Mon Sep 17 00:00:00 2001
From: Sébastien Dailly <sebastien@chimrod.com>
Date: Fri, 24 Nov 2017 09:22:24 +0100
Subject: Moved all the code to src directory

---
 date.ml | 120 ----------------------------------------------------------------
 1 file changed, 120 deletions(-)
 delete mode 100644 date.ml

(limited to 'date.ml')

diff --git a/date.ml b/date.ml
deleted file mode 100644
index 92cb9f6..0000000
--- a/date.ml
+++ /dev/null
@@ -1,120 +0,0 @@
-module type CALCULABLE = sig
-
-  type t
-
-  val add: t -> t -> t
-
-  val sub: t -> t -> t
-
-  val mult: t -> t -> t
-
-  val div: t -> t -> t
-
-  val floor: t -> t
-
-  val of_int: int -> t
-
-  val to_int: t -> int
-
-  val to_float: t -> float
-
-end
-
-
-module Make(C : CALCULABLE) = struct
-
-  let get_julian_day year month day = begin
-    let y, m =
-      if month > 2 then
-        year, month
-      else
-        year - 1, month + 12
-    in
-    let b =
-      if (year > 1582) || (year = 1582 && month > 10) || (year = 1582 && month = 10 && day >= 15) then
-        let s = y / 100 in
-        2 - s + (s / 4)
-      else
-        0
-      in
-      365 * y + y / 4
-    + (int_of_float (30.6001 *. (float_of_int (m + 1))))
-    + day
-    + b
-    + 1720995
-    - 2415019         (* Shift to 30/12/1899 *)
-    |> C.of_int
-
-  end
-
-  let date_from_julian_day day = begin
-
-    let shift_day = C.add (C.floor day) (C.of_int 2415019) in
-
-    let z = C.to_int shift_day in
-    let f =
-      if z >= 2299161 then
-        (* We use the Num module here to prevent overflow *)
-        let product = C.mult (C.of_int 4) shift_day in
-        let shifted = C.add product (C.of_int 274277) in
-        let div = C.div shifted (C.of_int 146097) in
-        let day' = C.to_int @@ C.floor div in
-        z + 1401 + ((day' * 3) / 4) - 38
-      else
-        z + 1401
-      in
-    let e = (4 * f) + 3 in
-    let h = 5 * ((e mod 1461) / 4) + 2 in (* 1461 is 365.25 * 4 *)
-    let d = ((h mod 153) / 5) + 1
-    and m = (((h / 153) + 2) mod 12) + 1 in
-    let y = (e / 1461) - 4716 + (14 - m) / 12 in (* 4716 is day 2 *)
-    (y, m, d)
-
-  end
-
-  let time_from_julian_day j = begin
-
-    let day = C.floor j in
-    let time = C.sub j day in
-
-    let h = C.floor @@ C.mult time  (C.of_int 24) in
-    let h_24 = C.div h (C.of_int 24) in
-    let m = C.floor @@ C.mult (C.of_int 1440) (C.sub time h_24) in
-    let s = C.mult (C.of_int 86400) (C.sub (C.sub time h_24) (C.div m (C.of_int 1440))) in
-    (C.to_int h, C.to_int m, s)
-  end
-
-  (** Compute the julian for a given date.
-
-      Integer return number of days since November 24, 4714 BC.
-      Fractionnal part return the time since midnight.
-  *)
-  let from_string str = begin
-    let n = C.of_int in
-    let date_regex = Str.regexp "[0-9]+-[0-9]+-[0-9]+"
-    and time_regex = Str.regexp "[0-9]+-[0-9]+-[0-9]+T[0-9]+:[0-9]+:[0-9]" in
-    if Str.string_match time_regex str 0 then
-      Scanf.sscanf str "%d-%d-%dT%d:%d:%d" (fun year month day hour min sec ->
-      let nhour = C.div (n hour) (n 24)
-      and nmin  = C.div (n min)  (n 1440)
-      and nsec  = C.div (n sec)  (n 86400) in
-      C.add (C.add (C.add (get_julian_day year month day) nhour) nmin) nsec
-    ) else if Str.string_match date_regex str 0 then
-      Scanf.sscanf str "%d-%d-%d" get_julian_day
-    else (
-      C.of_int 0
-    )
-  end
-
-  let to_string date = begin
-    let y, m, d = date_from_julian_day date
-    and h, n, s = time_from_julian_day date in
-
-    Printf.sprintf "%d-%02d-%02dT%02d:%02d:%02g"
-      y m d
-
-      h n (C.to_float s)
-
-  end
-
-end
-- 
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