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| author | Sébastien Dailly <sebastien@chimrod.com> | 2017-01-01 15:49:42 +0100 |
|---|---|---|
| committer | Sébastien Dailly <sebastien@chimrod.com> | 2017-01-01 15:49:42 +0100 |
| commit | 444c0baa87b6edfb21c002bf9e079e10509ee0e9 (patch) | |
| tree | 08b4978fd53941a2bb4d5931b5bd8c45e40ccf5b | |
| parent | 023c11470e32744a43b7e3c7c248f3c47ebdc687 (diff) | |
Switched dates 0 to 1899/12/30
| -rwxr-xr-x | tests/tools_test.ml | 6 | ||||
| -rwxr-xr-x | tools.ml | 8 |
2 files changed, 8 insertions, 6 deletions
diff --git a/tests/tools_test.ml b/tests/tools_test.ml index 9afc611..b64afbc 100755 --- a/tests/tools_test.ml +++ b/tests/tools_test.ml @@ -68,7 +68,7 @@ module TestDate = struct let test_get_julian_day ctx = begin let result = Tools.Date.get_julian_day 2016 01 01 - and expected = (Num.num_of_int 2457389) in + and expected = (Num.num_of_int 42370) in (* Check that the num is round *) assert_equal true (Num.is_integer_num result); @@ -88,7 +88,7 @@ module TestDate = struct y2 m2 d2 in - let result = Tools.Date.date_from_julian_day @@ Num.num_of_int 2415753 + let result = Tools.Date.date_from_julian_day @@ Num.num_of_int 734 and expected = (1902, 01, 03) in assert_equal @@ -100,7 +100,7 @@ module TestDate = struct let test_parse_time ctx = begin let result = Tools.Date.from_string "1902-01-03T12:34:56" - and expected = (Num.num_of_string "13045069031/5400") in + and expected = (Num.num_of_string "3966431/5400") in (* =2415753.52425925925925925925 *) assert_equal ~cmp:Num.(=/) @@ -268,19 +268,21 @@ module Date = struct + day + b + 1720995 -(* + 2415019 (* Shift to 30/12/1899 *) *) + - 2415019 (* Shift to 30/12/1899 *) |> Num.num_of_int end let date_from_julian_day day = begin + let shift_day = Num.floor_num day + |> Num.add_num (Num.num_of_int 2415019) in - let z = Num.int_of_num (Num.floor_num day) in + let z = Num.int_of_num shift_day in let f = if z >= 2299161 then (* We use the Num module here to prevent overflow *) - let day' = Num.(((num_of_int 4) */ day +/ (num_of_int 274277)) // (num_of_int 146097)) + let day' = Num.(((num_of_int 4) */ shift_day +/ (num_of_int 274277)) // (num_of_int 146097)) |> Num.floor_num |> Num.int_of_num in z + 1401 + ((day' * 3) / 4) - 38 |