68 lines
2.7 KiB
OCaml
68 lines
2.7 KiB
OCaml
let input_line ic =
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try Some(input_line ic)
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with End_of_file -> None
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let fold_input f ini ic =
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let rec fold ac =
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match input_line ic with
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| Some line -> fold (f ac line)
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| None -> ac
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in
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fold ini
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let ic = open_in "readings.txt"
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let scan line =
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Scanf.sscanf line "%s\
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\t%f\t%d\t%f\t%d\t%f\t%d\t%f\t%d\t%f\t%d\t%f\t%d\
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\t%f\t%d\t%f\t%d\t%f\t%d\t%f\t%d\t%f\t%d\t%f\t%d\
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\t%f\t%d\t%f\t%d\t%f\t%d\t%f\t%d\t%f\t%d\t%f\t%d\
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\t%f\t%d\t%f\t%d\t%f\t%d\t%f\t%d\t%f\t%d\t%f\t%d"
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(fun date
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v1 f1 v2 f2 v3 f3 v4 f4 v5 f5 v6 f6
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v7 f7 v8 f8 v9 f9 v10 f10 v11 f11 v12 f12
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v13 f13 v14 f14 v15 f15 v16 f16 v17 f17 v18 f18
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v19 f19 v20 f20 v21 f21 v22 f22 v23 f23 v24 f24 ->
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(date),
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[ (v1, f1 ); (v2, f2 ); (v3, f3 ); (v4, f4 ); (v5, f5 ); (v6, f6 );
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(v7, f7 ); (v8, f8 ); (v9, f9 ); (v10, f10); (v11, f11); (v12, f12);
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(v13, f13); (v14, f14); (v15, f15); (v16, f16); (v17, f17); (v18, f18);
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(v19, f19); (v20, f20); (v21, f21); (v22, f22); (v23, f23); (v24, f24); ])
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let tot_file, num_file, _, nodata_max, nodata_maxline =
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fold_input
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(fun (tot_file, num_file, nodata, nodata_max, nodata_maxline) line ->
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let date, datas = scan line in
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let _datas = List.filter (fun (_, flag) -> flag > 0) datas in
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let ok = List.length _datas in
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let tot = List.fold_left (fun ac (value, _) -> ac +. value) 0.0 _datas in
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let nodata, nodata_max, nodata_maxline =
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List.fold_left
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(fun (nodata, nodata_max, nodata_maxline) (_, flag) ->
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if flag <= 0
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then (succ nodata, nodata_max, nodata_maxline)
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else
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if nodata_max = nodata && nodata > 0
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then (0, nodata_max, date::nodata_maxline)
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else if nodata_max < nodata && nodata > 0
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then (0, nodata, [date])
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else (0, nodata_max, nodata_maxline)
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)
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(nodata, nodata_max, nodata_maxline) datas in
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Printf.printf "Line: %s" date;
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Printf.printf " Reject: %2d Accept: %2d" (24 - ok) ok;
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Printf.printf "\tLine_tot: %8.3f" tot;
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Printf.printf "\tLine_avg: %8.3f\n" (tot /. float ok);
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(tot_file +. tot, num_file + ok, nodata, nodata_max, nodata_maxline))
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(0.0, 0, 0, 0, [])
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ic ;;
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close_in ic ;;
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Printf.printf "Total = %f\n" tot_file;
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Printf.printf "Readings = %d\n" num_file;
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Printf.printf "Average = %f\n" (tot_file /. float num_file);
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Printf.printf "Maximum run(s) of %d consecutive false readings \
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ends at line starting with date(s): %s\n"
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nodata_max (String.concat ", " nodata_maxline);
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