AllenGeng/ocamlgithub · Datasets at Hugging Face

text stringlengths 12 786k
let ( < ) ( Tez_tag x ) ( Tez_tag y ) = x < y
let ( > ) ( Tez_tag x ) ( Tez_tag y ) = x > y
let ( <= ) ( Tez_tag x ) ( Tez_tag y ) = x <= y
let ( >= ) ( Tez_tag x ) ( Tez_tag y ) = x >= y
let equal ( Tez_tag x ) ( Tez_tag y ) = equal x y
let max ( Tez_tag x ) ( Tez_tag y ) = Tez_tag ( max x y )
let min ( Tez_tag x ) ( Tez_tag y ) = Tez_tag ( min x y )
let try_float_of_string str = try print_float ( float_of_string str ) ; print_newline ( ) with exn -> print_endline ( Printexc . to_string exn ) ; ;
let ( ) = try_float_of_string " 0x1A " ; try_float_of_string " 0x1Ap3 " ; try_float_of_string " 0x " ; try_float_of_string " 0x . " ; try_float_of_string " 0xp0 " ; try_float_of_string " 0x . p0 " ; try_float_of_string " 0x1 . 0p - 2147483648 " ; try_float_...
let ( ) = let _ = 0x1A in let _ = 0x1Ap3 in let _ = 0x1 . 0p - 2147483648 in let _ = 0x123456789ABCDEF0p2147483647 in let _ = 0x1p2147483648 in let _ = 0x1_ . _1p1_1 in let _ = 0x1_ . _1p1_ in let _ = 0x1_ . _1p - 1_1 in let _ = 0x1_ . _1p - 1_ in let _ = 0x1_ . ...
let say s = Printf . printf s ; ; try say " d / i positive \ n " ; %! test ( sprintf " % d /% i " 42 43 = " 42 / 43 " ) ; test ( sprintf " %- 4d /%- 5i " 42 43 = " 42 / 43 " ) ; test ( sprintf " % 04d /% 05i " 42 43 = " 0042 / 00043 " ) ...
let c_0xff_32 = Int32 . of_string " 0xff "
let encode_frame_size x = let s = Bytes . create 4 in let n3 = Int32 . to_int ( Int32 . shift_right_logical x 24 ) land 0xff in let n2 = Int32 . to_int ( Int32 . shift_right_logical x 16 ) land 0xff in let n1 = Int32 . to_int ( Int32 . shift_right_logical x 8 ) land 0xff in let n0 ...
let decode_frame_size s = let n3 = Int32 . of_int ( Char . code @@ Bytes . get s 0 ) in let n2 = Int32 . of_int ( Char . code @@ Bytes . get s 1 ) in let n1 = Int32 . of_int ( Char . code @@ Bytes . get s 2 ) in let n0 = Int32 . of_int ( Char . code @@ Bytes . get s 3 ...
module Hashtbl = struct include Hashtbl let get t ? default k = try Some ( Hashtbl . find t k ) with \| Not_found -> ( match default with None -> ( ) \| Some v -> Hashtbl . replace t k v ) ; default end
module Tid = struct type t = Ipaddr . V4 . t * int * int with sexp let to_string t = t \|> sexp_of_t \|> Sexplib . Sexp . to_string_hum end
module S = struct type t = { port : int ; conns : ( Tid . t , string * int64 * int64 ) Hashtbl . t ; tids : ( Ipaddr . V4 . t * int , int ) Hashtbl . t ; files : ( string , int64 * Cstruct . t ) Hashtbl . t ; } with sexp let to_string t = t \|> sexp_of_t \|> Sexpli...
type mode = \| Octet \| Netascii \| Mail \| Unknown of string
let mode_of_string = function \| " octet " -> Octet \| " netascii " -> Netascii \| " mail " -> Mail \| mode -> Unknown mode
let mode_to_string = function \| Octet -> " octet " \| Netascii -> " netascii " \| Mail -> " mail " \| Unknown mode -> mode
module Success = struct type t = \| Packet of Cstruct . t \| Retx of int64 * Cstruct . t \| Ack_of_error \| Ack_of_eof \| Error of Tftp_wire . errorcode * string \| Request of string * mode with sexp let to_string t = t \|> sexp_of_t \|> Sexplib . Sexp . to_string_hum end
module Failure = struct type t = \| Unknown_tid \| File_not_found of string \| Invalid_packet \| Unsupported_mode of mode \| Rrq_refused \| Unsupported_op of Tftp_wire . opcode with sexp let to_string t = t \|> sexp_of_t \|> Sexplib . Sexp . to_string_hum end
type ret = \| Ok of S . t * Tid . t * Success . t \| Fail of S . t * Tid . t * Cstruct . t * Failure . t
let obuf len = Cstruct . set_len ( Io_page . get_buf ~ n : 1 ( ) ) len
let errorp ? msg error = let msg = match msg with \| None -> Wire . errorcode_to_string error \| Some m -> m in let msglen = String . length msg in let obuf = obuf ( Wire . sizeof_herr + msglen + 1 ) in Wire . ( set_herr_opcode obuf ( opcode_to_int ERROR ) ) ; Wire . ( set_herr_error...
let datap server tid filename blockno f = Hashtbl . get server . S . files filename \|> function \| None -> let errp = errorp ~ msg : filename Wire . FILE_NOT_FOUND in Fail ( server , tid , errp , Failure . File_not_found filename ) \| Some ( filesize , data ) -> let srcoff = Int64 . ...
let handle_ack server tid inp = Hashtbl . get server . S . conns tid \|> function \| None -> let errp = errorp ~ msg ( : Tid . to_string tid ) Wire . UNKNOWN_TID in Fail ( server , tid , errp , Failure . Unknown_tid ) \| Some ( filename , filesize , blockno ) -> let ackno = Wire...
let handle_error server tid inp = let error = Wire . ( inp \|> get_herr_errorcode \|> Wire . int_to_errorcode \|> function \| None -> UNDEFINED \| Some c -> c ) in let ( msg , _ ) = Cstruct . shift inp Wire . sizeof_herr \|> Wire . string0 in Ok ( server , tid , Success . Error ( err...
let handle_rrq server tid inp = let ( filename , inp ) = Cstruct . shift inp Wire . sizeof_hreq \|> Wire . string0 in let ( mode , _inp ) = Wire . string0 inp in match mode_of_string mode with \| Unknown m as mode -> let errp = errorp ~ msg " : unknown mode " Wire . ILLEGAL_OP in Fail ...
let handle server sip spt dpt inp = let tid = Tid . ( sip , spt , dpt ) in Wire . ( inp \|> get_hreq_opcode \|> int_to_opcode \|> function \| None -> Fail ( server , tid , inp , Failure . Invalid_packet ) \| Some o -> match o with \| ACK -> handle_ack server tid inp \| ERROR -> handle_er...
let src = Logs . Src . create " tftp " ~ doc " : tftp - mirage "
module Log = ( val Logs . src_log src : Logs . LOG )
module S = struct module Make ( FS : V1_LWT . KV_RO ) ( STACK : V1_LWT . STACKV4 ) = struct module U = STACK . UDPV4 type t = { server : Tftp . S . t ; fs : FS . t ; s : STACK . t ; } let handle_failure { server ; fs ; s } ( sip , spt , dpt ) = Tftp . Failure ...
module Hashtbl = struct include Hashtbl let get t ? default k = try Some ( Hashtbl . find t k ) with \| Not_found -> ( match default with None -> ( ) \| Some v -> Hashtbl . replace t k v ) ; default end
module Make ( FS : V1_LWT . KV_RO ) ( S : V1_LWT . STACKV4 ) = struct module U = S . UDPV4 type tid = U . ipaddr * int * int let tid_to_string ( rip , rpt , lpt ) = sp " ( % s , % d , % d ) " ( Ipaddr . V4 . to_string rip ) rpt lpt type t = { c : C . t ; fs...
UNDEFINED = 0 ; FILE_NOT_FOUND ; ACCESS_VIOLATION ; DISK_FULL ; ILLEGAL_OP ; UNKNOWN_TID ; FILE_EXISTS ; UNKNOWN_USER } as uint8_t ( sexp ) RRQ = 1 ; WRQ ; DATA ; ACK ; ERROR } as uint16_t ( sexp ) uint16_t opcode } as big_endian uint16_t opcode ; uint16_t blockno } as big_en...
let string0 buf = let rec aux s i buf = let c = Cstruct . get_char buf i in if c = ' \ x00 ' then let string = s \|> List . rev \|> String . concat " " in ( string , Cstruct . shift buf ( i + 1 ) ) else aux ( Char . escaped c :: s ) ( i + 1 ) buf in aux [ ] 0 buf
type ( ' input , ' output ) ' output t = { name : string option ; next : unit -> [ ` output of ' output \| ` end_of_stream \| ` not_ready ] ; feed : ' input -> unit ; stop : unit -> unit ; }
let make_general ? name ~ next ~ feed ~ stop ( ) = { name ; next ; feed ; stop }
let feed t i = t . feed i
let next t = t . next ( )
let stop t = t . stop ( )
let name t = t . name
let make ? name ~ feed ~ next ( ) = let stopped = ref false in make_general ? name ( ) ~ feed ( : fun x -> if not ! stopped then feed x else raise ( Feeding_stopped_transform Option ( . value ~ default " " : name ) name ) name ) name ~ next ( : fun ( ) -> next ! stopped ) s...
let make_result ? name ~ feed ~ next ( ) = let stopped = ref false in let one_error_has_occured = ref false in make_general ? name ( ) ~ feed ( : fun x -> if not ! stopped then feed x else raise ( Feeding_stopped_transform Option ( . value ~ default " " : name ) name ) name ) name ~ ...
let of_function ? name f = let q = Queue . create ( ) in make ? name ~ feed ( : Queue . enqueue q ) q ( ) ~ next ( : fun stopped -> match Queue . dequeue q with \| Some o -> ` output ( f o ) o \| None -> if stopped then ` end_of_stream else ` not_ready ) not_ready
let identity ? name ( ) = of_function ? name Fun . id
let to_stream_fun tr en = let rec loop_until_ready tr en = match next tr with \| ` output o -> Some o \| ` end_of_stream -> None \| ` not_ready -> begin match Stream . next en with \| None -> stop tr ; loop_until_ready tr en \| Some s -> feed tr s ; loop_until_ready tr en end in Stream . from ( fun...
let in_channel_strings_to_stream ( ? buffer_size = 65536 ) 65536 ic tr = to_stream_fun tr ( Stream . strings_of_channel ~ buffer_size ic ) ic
let stream_to_out_channel xs tr oc = Stream . iter ( to_stream_fun tr xs ) xs ~ f ( : Out_channel . output_string oc ) oc
let on_input t ~ f = { t with feed = fun x -> t . feed ( f x ) x }
let on_output t ~ f = { t with next = fun ( ) -> match t . next ( ) with \| ` output o -> ` output ( f o ) o \| ` not_ready -> ` not_ready \| ` end_of_stream -> ` end_of_stream }
let compose ta tb = let name = sprintf ( " compose <% s > <% s ) " > Option ( . value ~ default " " : ( name ta ) ta ) ta Option ( . value ~ default " " : ( name tb ) tb ) tb in make_general ~ name ( ) ~ feed ( : fun i -> feed ta i ) i ~ stop ( : fun ( ) -> stop ...
let mix ta tb = let a_buffer = ref None in let name = sprintf ( " mix <% s > <% s ) " > Option ( . value ~ default " " : ( name ta ) ta ) ta Option ( . value ~ default " " : ( name tb ) tb ) tb in make_general ~ name ( ) ~ feed ( : fun ( a , b ) b -> feed ta a ; fe...
let filter_compose left right ~ destruct ~ reconstruct = let name = sprintf ( " part - compose <% s > <% s ) " > Option ( . value ~ default " " : ( name left ) left ) left Option ( . value ~ default " " : ( name right ) right ) right in make_general ~ name ( ) ~ feed ( : ...
let split_and_merge ta tb ~ split ~ merge = let name = sprintf ( " merge <% s > <% s ) " > Option ( . value ~ default " " : ( name ta ) ta ) ta Option ( . value ~ default " " : ( name tb ) tb ) tb in make_general ~ name ( ) ~ feed ( : fun z -> match split z with \| ` le...
let on_ok tr ~ f = on_output tr ~ f ( : function \| Ok o -> Ok ( f o ) o \| Error e -> Error e ) e
let on_error tr ~ f = on_output tr ~ f ( : function \| Ok o -> Ok o \| Error e -> Error ( f e ) e ) e
let compose_results ~ on_error ta tb = let name = sprintf ( " compose_results <% s > <% s ) " > Option ( . value ~ default " " : ( name ta ) ta ) ta Option ( . value ~ default " " : ( name tb ) tb ) tb in make_general ~ name ( ) ~ feed ( : fun i -> feed ta i ) i ~ stop ...
let compose_results_merge_error ta tb = compose_results ta tb ~ on_error ( : function ` left e -> ` left e \| ` right e -> ` right e ) e
let compose_result_left ta tb = let name = sprintf ( " compose_result_left <% s > <% s ) " > Option ( . value ~ default " " : ( name ta ) ta ) ta Option ( . value ~ default " " : ( name tb ) tb ) tb in make_general ~ name ( ) ~ feed ( : fun i -> feed ta i ) i ~ stop ( ...
let to_object tr = object method next = next tr method feed s = feed tr s method stop = stop tr end
let of_object o = make_general ~ name ( : sprintf " of_object_ % d " ( Oo . id o ) o ) o ~ next ( : fun ( ) -> o # next ) next ~ feed ( : fun s -> o # feed s ) s ~ stop ( : fun ( ) -> o # stop ) stop ( )
module C ( F : Cstubs . FOREIGN ) FOREIGN = struct open F module Tf_tensor = struct type t = unit ptr let t : t typ = ptr void let tf_newtensor = foreign " TF_NewTensor " ( int @-> ptr int64_t @-> int @-> ptr void @-> size_t @-> Foreign . funptr Ctypes ( . ptr void @-> size_t @-> ptr void...
let system cmd = match Unix . system cmd with \| WEXITED 0 -> true \| _ -> false
let system_exn cmd = Stdio . printf " Running % s \ n " %! cmd ; if not ( system cmd ) cmd then Printf . failwithf " error while running % s " cmd ( )
let env_exists name = match Sys . getenv_opt name with \| None \| Some " " -> false \| Some _ -> true
let tf_is_available ~ lib_filename = Sys . file_exists lib_filename \|\| env_exists " LIBTENSORFLOW " \|\| system " ldconfig - p \| grep libtensorflow "
let maybe_ask_user ( ) = if Unix . isatty Unix . stdout then ( Stdio . printf " Cannot find % s , should I download it from \ n % s \ nand install it ? [ y / n ] n " %! lib_basename tf_lib_url ; match Stdlib . read_line ( ) with \| " y " -> true \| _ -> Stdio . printf " Cancell...
let create_missing_directory dirname = if not ( Sys . file_exists dirname ) dirname then ( Stdio . printf " Creating missing directory % s \ n " %! dirname ; Unix . mkdir dirname 0o777 ) 0o777
let tf_install ~ lib_filename = Stdio . printf " Downloading and installing TensorFlow to % s . \ n " %! lib_filename ; let dirname = Filename . dirname lib_filename in create_missing_directory dirname ; let tmp_file = Filename . temp_file lib_basename " . tgz " in let tmp_dir = Filename . concat ...
let ( ) = if Array . length Caml . Sys . argv <> 2 then Printf . failwithf " usage : % s lib_dir " Caml . Sys . argv ( . 0 ) 0 ( ) ; let lib_filename = Filename . concat ( Filename . concat Caml . Sys . argv ( . 1 ) 1 " tensorflow ) " lib_basename in if ( not ...
let abi = Libffi_abi . ( if Sys . win32 then stdcall else default_abi )
let foreign ? from ? stub ? check_errno ? release_runtime_lock f fn =
module Gl = struct type ( ' a , ' b ) bigarray = ( ' a , ' b , Bigarray . c_layout ) Bigarray . Array1 . t let ba_kind_byte_size : ( ' a , ' b ) Bigarray . kind -> int = fun k -> let open Bigarray in match Obj . magic k with \| k when k = char \|\| k = int8_signed \|\| k ...
let abi = Libffi_abi . ( if Sys . win32 then stdcall else default_abi )
let foreign ? from ? stub ? check_errno ? release_runtime_lock f fn =
module Gl = struct type ( ' a , ' b ) bigarray = ( ' a , ' b , Bigarray . c_layout ) Bigarray . Array1 . t let ba_kind_byte_size : ( ' a , ' b ) Bigarray . kind -> int = fun k -> let open Bigarray in match Obj . magic k with \| k when k = char \|\| k = int8_signed \|\| k ...
let abi = Libffi_abi . ( if Sys . win32 then stdcall else default_abi )
let foreign ? from ? stub ? check_errno ? release_runtime_lock f fn =
module Gl = struct type ( ' a , ' b ) bigarray = ( ' a , ' b , Bigarray . c_layout ) Bigarray . Array1 . t let ba_kind_byte_size : ( ' a , ' b ) Bigarray . kind -> int = fun k -> let open Bigarray in match Obj . magic k with \| k when k = char \|\| k = int8_signed \|\| k ...
let abi = Libffi_abi . ( if Sys . win32 then stdcall else default_abi )
let foreign ? from ? stub ? check_errno ? release_runtime_lock f fn =
module Gl = struct type ( ' a , ' b ) bigarray = ( ' a , ' b , Bigarray . c_layout ) Bigarray . Array1 . t let ba_kind_byte_size : ( ' a , ' b ) Bigarray . kind -> int = fun k -> let open Bigarray in match Obj . magic k with \| k when k = char \|\| k = int8_signed \|\| k ...
type ( ' l , ' r ) t = \| Left of ' l \| Right of ' r \| Both of ' l * ' r
let _Left x = Left x
let _Right x = Right x
let _Both l r = Both ( l , r )
let bimap lf rf = function \| Left l -> Left ( lf l ) \| Right r -> Right ( rf r ) \| Both ( l , r ) -> Both ( lf l , rf r )
module Make ( S : Semigroup . S ) = struct type nonrec ' a t = ( S . t , ' a ) t include Monad . Make ( struct type nonrec ' a t = ' a t let pure x = Right x let bind f = function \| Left _ as l -> l \| Right r -> f r \| Both ( l , x ) -> begin match f x with \| Left l ' -> ...
let fold lf rf bf = function \| Left l -> lf l \| Right r -> rf r \| Both ( l , r ) -> bf l r
let swap = function \| Left a -> Right a \| Right a -> Left a \| Both ( a , b ) -> Both ( b , a )
let maybe_left = function \| Left x -> Some x \| _ -> None
let maybe_right = function \| Right x -> Some x \| _ -> None
let maybe_both = function \| Both ( l , r ) -> Some ( l , r ) \| _ -> None
type ( ' uid , ' s ) light_load = ' uid -> ( kind * int , ' s ) io
type ( ' uid , ' s ) heavy_load = ' uid -> ( Dec . v , ' s ) io
let blit_from_string src src_off dst dst_off len = Bigstringaf . blit_from_string src ~ src_off dst ~ dst_off ~ len [ @@ inline ]
let src = Logs . Src . create " thin "
module Log = ( val Logs . src_log src : Logs . LOG )

let ( < ) ( Tez_tag x ) ( Tez_tag y ) = x < y

let ( > ) ( Tez_tag x ) ( Tez_tag y ) = x > y

let ( <= ) ( Tez_tag x ) ( Tez_tag y ) = x <= y

let ( >= ) ( Tez_tag x ) ( Tez_tag y ) = x >= y

let equal ( Tez_tag x ) ( Tez_tag y ) = equal x y

let max ( Tez_tag x ) ( Tez_tag y ) = Tez_tag ( max x y )

let min ( Tez_tag x ) ( Tez_tag y ) = Tez_tag ( min x y )

let try_float_of_string str = try print_float ( float_of_string str ) ; print_newline ( ) with exn -> print_endline ( Printexc . to_string exn ) ; ;

let ( ) = try_float_of_string " 0x1A " ; try_float_of_string " 0x1Ap3 " ; try_float_of_string " 0x " ; try_float_of_string " 0x . " ; try_float_of_string " 0xp0 " ; try_float_of_string " 0x . p0 " ; try_float_of_string " 0x1 . 0p - 2147483648 " ; try_float_...

let ( ) = let _ = 0x1A in let _ = 0x1Ap3 in let _ = 0x1 . 0p - 2147483648 in let _ = 0x123456789ABCDEF0p2147483647 in let _ = 0x1p2147483648 in let _ = 0x1_ . _1p1_1 in let _ = 0x1_ . _1p1_ in let _ = 0x1_ . _1p - 1_1 in let _ = 0x1_ . _1p - 1_ in let _ = 0x1_ . ...

let say s = Printf . printf s ; ; try say " d / i positive \ n " ; %! test ( sprintf " % d /% i " 42 43 = " 42 / 43 " ) ; test ( sprintf " %- 4d /%- 5i " 42 43 = " 42 / 43 " ) ; test ( sprintf " % 04d /% 05i " 42 43 = " 0042 / 00043 " ) ...

let c_0xff_32 = Int32 . of_string " 0xff "

let encode_frame_size x = let s = Bytes . create 4 in let n3 = Int32 . to_int ( Int32 . shift_right_logical x 24 ) land 0xff in let n2 = Int32 . to_int ( Int32 . shift_right_logical x 16 ) land 0xff in let n1 = Int32 . to_int ( Int32 . shift_right_logical x 8 ) land 0xff in let n0 ...

let decode_frame_size s = let n3 = Int32 . of_int ( Char . code @@ Bytes . get s 0 ) in let n2 = Int32 . of_int ( Char . code @@ Bytes . get s 1 ) in let n1 = Int32 . of_int ( Char . code @@ Bytes . get s 2 ) in let n0 = Int32 . of_int ( Char . code @@ Bytes . get s 3 ...

module Hashtbl = struct include Hashtbl let get t ? default k = try Some ( Hashtbl . find t k ) with | Not_found -> ( match default with None -> ( ) | Some v -> Hashtbl . replace t k v ) ; default end

module Tid = struct type t = Ipaddr . V4 . t * int * int with sexp let to_string t = t |> sexp_of_t |> Sexplib . Sexp . to_string_hum end

module S = struct type t = { port : int ; conns : ( Tid . t , string * int64 * int64 ) Hashtbl . t ; tids : ( Ipaddr . V4 . t * int , int ) Hashtbl . t ; files : ( string , int64 * Cstruct . t ) Hashtbl . t ; } with sexp let to_string t = t |> sexp_of_t |> Sexpli...

type mode = | Octet | Netascii | Mail | Unknown of string

let mode_of_string = function | " octet " -> Octet | " netascii " -> Netascii | " mail " -> Mail | mode -> Unknown mode

let mode_to_string = function | Octet -> " octet " | Netascii -> " netascii " | Mail -> " mail " | Unknown mode -> mode

type ret = | Ok of S . t * Tid . t * Success . t | Fail of S . t * Tid . t * Cstruct . t * Failure . t

let obuf len = Cstruct . set_len ( Io_page . get_buf ~ n : 1 ( ) ) len

let errorp ? msg error = let msg = match msg with | None -> Wire . errorcode_to_string error | Some m -> m in let msglen = String . length msg in let obuf = obuf ( Wire . sizeof_herr + msglen + 1 ) in Wire . ( set_herr_opcode obuf ( opcode_to_int ERROR ) ) ; Wire . ( set_herr_error...

let datap server tid filename blockno f = Hashtbl . get server . S . files filename |> function | None -> let errp = errorp ~ msg : filename Wire . FILE_NOT_FOUND in Fail ( server , tid , errp , Failure . File_not_found filename ) | Some ( filesize , data ) -> let srcoff = Int64 . ...

let handle_ack server tid inp = Hashtbl . get server . S . conns tid |> function | None -> let errp = errorp ~ msg ( : Tid . to_string tid ) Wire . UNKNOWN_TID in Fail ( server , tid , errp , Failure . Unknown_tid ) | Some ( filename , filesize , blockno ) -> let ackno = Wire...

let handle_rrq server tid inp = let ( filename , inp ) = Cstruct . shift inp Wire . sizeof_hreq |> Wire . string0 in let ( mode , _inp ) = Wire . string0 inp in match mode_of_string mode with | Unknown m as mode -> let errp = errorp ~ msg " : unknown mode " Wire . ILLEGAL_OP in Fail ...

let src = Logs . Src . create " tftp " ~ doc " : tftp - mirage "

module Log = ( val Logs . src_log src : Logs . LOG )

module S = struct module Make ( FS : V1_LWT . KV_RO ) ( STACK : V1_LWT . STACKV4 ) = struct module U = STACK . UDPV4 type t = { server : Tftp . S . t ; fs : FS . t ; s : STACK . t ; } let handle_failure { server ; fs ; s } ( sip , spt , dpt ) = Tftp . Failure ...

module Hashtbl = struct include Hashtbl let get t ? default k = try Some ( Hashtbl . find t k ) with | Not_found -> ( match default with None -> ( ) | Some v -> Hashtbl . replace t k v ) ; default end

module Make ( FS : V1_LWT . KV_RO ) ( S : V1_LWT . STACKV4 ) = struct module U = S . UDPV4 type tid = U . ipaddr * int * int let tid_to_string ( rip , rpt , lpt ) = sp " ( % s , % d , % d ) " ( Ipaddr . V4 . to_string rip ) rpt lpt type t = { c : C . t ; fs...

UNDEFINED = 0 ; FILE_NOT_FOUND ; ACCESS_VIOLATION ; DISK_FULL ; ILLEGAL_OP ; UNKNOWN_TID ; FILE_EXISTS ; UNKNOWN_USER } as uint8_t ( sexp ) RRQ = 1 ; WRQ ; DATA ; ACK ; ERROR } as uint16_t ( sexp ) uint16_t opcode } as big_endian uint16_t opcode ; uint16_t blockno } as big_en...

let string0 buf = let rec aux s i buf = let c = Cstruct . get_char buf i in if c = ' \ x00 ' then let string = s |> List . rev |> String . concat " " in ( string , Cstruct . shift buf ( i + 1 ) ) else aux ( Char . escaped c :: s ) ( i + 1 ) buf in aux [ ] 0 buf

type ( ' input , ' output ) ' output t = { name : string option ; next : unit -> [ ` output of ' output | ` end_of_stream | ` not_ready ] ; feed : ' input -> unit ; stop : unit -> unit ; }

let make_general ? name ~ next ~ feed ~ stop ( ) = { name ; next ; feed ; stop }

let feed t i = t . feed i

let next t = t . next ( )

let stop t = t . stop ( )

let name t = t . name

let make ? name ~ feed ~ next ( ) = let stopped = ref false in make_general ? name ( ) ~ feed ( : fun x -> if not ! stopped then feed x else raise ( Feeding_stopped_transform Option ( . value ~ default " " : name ) name ) name ) name ~ next ( : fun ( ) -> next ! stopped ) s...

let make_result ? name ~ feed ~ next ( ) = let stopped = ref false in let one_error_has_occured = ref false in make_general ? name ( ) ~ feed ( : fun x -> if not ! stopped then feed x else raise ( Feeding_stopped_transform Option ( . value ~ default " " : name ) name ) name ) name ~ ...

let of_function ? name f = let q = Queue . create ( ) in make ? name ~ feed ( : Queue . enqueue q ) q ( ) ~ next ( : fun stopped -> match Queue . dequeue q with | Some o -> ` output ( f o ) o | None -> if stopped then ` end_of_stream else ` not_ready ) not_ready

let identity ? name ( ) = of_function ? name Fun . id

let to_stream_fun tr en = let rec loop_until_ready tr en = match next tr with | ` output o -> Some o | ` end_of_stream -> None | ` not_ready -> begin match Stream . next en with | None -> stop tr ; loop_until_ready tr en | Some s -> feed tr s ; loop_until_ready tr en end in Stream . from ( fun...

let in_channel_strings_to_stream ( ? buffer_size = 65536 ) 65536 ic tr = to_stream_fun tr ( Stream . strings_of_channel ~ buffer_size ic ) ic

let stream_to_out_channel xs tr oc = Stream . iter ( to_stream_fun tr xs ) xs ~ f ( : Out_channel . output_string oc ) oc

let on_input t ~ f = { t with feed = fun x -> t . feed ( f x ) x }

let on_output t ~ f = { t with next = fun ( ) -> match t . next ( ) with | ` output o -> ` output ( f o ) o | ` not_ready -> ` not_ready | ` end_of_stream -> ` end_of_stream }

let compose ta tb = let name = sprintf ( " compose <% s > <% s ) " > Option ( . value ~ default " " : ( name ta ) ta ) ta Option ( . value ~ default " " : ( name tb ) tb ) tb in make_general ~ name ( ) ~ feed ( : fun i -> feed ta i ) i ~ stop ( : fun ( ) -> stop ...

let mix ta tb = let a_buffer = ref None in let name = sprintf ( " mix <% s > <% s ) " > Option ( . value ~ default " " : ( name ta ) ta ) ta Option ( . value ~ default " " : ( name tb ) tb ) tb in make_general ~ name ( ) ~ feed ( : fun ( a , b ) b -> feed ta a ; fe...

let filter_compose left right ~ destruct ~ reconstruct = let name = sprintf ( " part - compose <% s > <% s ) " > Option ( . value ~ default " " : ( name left ) left ) left Option ( . value ~ default " " : ( name right ) right ) right in make_general ~ name ( ) ~ feed ( : ...

let split_and_merge ta tb ~ split ~ merge = let name = sprintf ( " merge <% s > <% s ) " > Option ( . value ~ default " " : ( name ta ) ta ) ta Option ( . value ~ default " " : ( name tb ) tb ) tb in make_general ~ name ( ) ~ feed ( : fun z -> match split z with | ` le...

let on_ok tr ~ f = on_output tr ~ f ( : function | Ok o -> Ok ( f o ) o | Error e -> Error e ) e

let on_error tr ~ f = on_output tr ~ f ( : function | Ok o -> Ok o | Error e -> Error ( f e ) e ) e

let compose_results ~ on_error ta tb = let name = sprintf ( " compose_results <% s > <% s ) " > Option ( . value ~ default " " : ( name ta ) ta ) ta Option ( . value ~ default " " : ( name tb ) tb ) tb in make_general ~ name ( ) ~ feed ( : fun i -> feed ta i ) i ~ stop ...

let compose_results_merge_error ta tb = compose_results ta tb ~ on_error ( : function ` left e -> ` left e | ` right e -> ` right e ) e

let compose_result_left ta tb = let name = sprintf ( " compose_result_left <% s > <% s ) " > Option ( . value ~ default " " : ( name ta ) ta ) ta Option ( . value ~ default " " : ( name tb ) tb ) tb in make_general ~ name ( ) ~ feed ( : fun i -> feed ta i ) i ~ stop ( ...

let to_object tr = object method next = next tr method feed s = feed tr s method stop = stop tr end

let of_object o = make_general ~ name ( : sprintf " of_object_ % d " ( Oo . id o ) o ) o ~ next ( : fun ( ) -> o # next ) next ~ feed ( : fun s -> o # feed s ) s ~ stop ( : fun ( ) -> o # stop ) stop ( )

module C ( F : Cstubs . FOREIGN ) FOREIGN = struct open F module Tf_tensor = struct type t = unit ptr let t : t typ = ptr void let tf_newtensor = foreign " TF_NewTensor " ( int @-> ptr int64_t @-> int @-> ptr void @-> size_t @-> Foreign . funptr Ctypes ( . ptr void @-> size_t @-> ptr void...

let system cmd = match Unix . system cmd with | WEXITED 0 -> true | _ -> false

let system_exn cmd = Stdio . printf " Running % s \ n " %! cmd ; if not ( system cmd ) cmd then Printf . failwithf " error while running % s " cmd ( )

let env_exists name = match Sys . getenv_opt name with | None | Some " " -> false | Some _ -> true

let tf_is_available ~ lib_filename = Sys . file_exists lib_filename || env_exists " LIBTENSORFLOW " || system " ldconfig - p | grep libtensorflow "

let maybe_ask_user ( ) = if Unix . isatty Unix . stdout then ( Stdio . printf " Cannot find % s , should I download it from \ n % s \ nand install it ? [ y / n ] n " %! lib_basename tf_lib_url ; match Stdlib . read_line ( ) with | " y " -> true | _ -> Stdio . printf " Cancell...

let create_missing_directory dirname = if not ( Sys . file_exists dirname ) dirname then ( Stdio . printf " Creating missing directory % s \ n " %! dirname ; Unix . mkdir dirname 0o777 ) 0o777

let tf_install ~ lib_filename = Stdio . printf " Downloading and installing TensorFlow to % s . \ n " %! lib_filename ; let dirname = Filename . dirname lib_filename in create_missing_directory dirname ; let tmp_file = Filename . temp_file lib_basename " . tgz " in let tmp_dir = Filename . concat ...

let ( ) = if Array . length Caml . Sys . argv <> 2 then Printf . failwithf " usage : % s lib_dir " Caml . Sys . argv ( . 0 ) 0 ( ) ; let lib_filename = Filename . concat ( Filename . concat Caml . Sys . argv ( . 1 ) 1 " tensorflow ) " lib_basename in if ( not ...

let abi = Libffi_abi . ( if Sys . win32 then stdcall else default_abi )

let foreign ? from ? stub ? check_errno ? release_runtime_lock f fn =

module Gl = struct type ( ' a , ' b ) bigarray = ( ' a , ' b , Bigarray . c_layout ) Bigarray . Array1 . t let ba_kind_byte_size : ( ' a , ' b ) Bigarray . kind -> int = fun k -> let open Bigarray in match Obj . magic k with | k when k = char || k = int8_signed || k ...