(* Title: 530-error-Check_Elementwise.sml

Author: Walther Neuper 1105

(c) copyright due to lincense terms.

*)

"----------- Minisubplb/530-error-Check_Elementwise.sml ----------";

"----------- Minisubplb/530-error-Check_Elementwise.sml ----------";

"----------- Minisubplb/530-error-Check_Elementwise.sml ----------";

(*see also --- x / (x ^ 2 - 6 * x + 9) - 1 / (x ^ 2 - 3 * x) = 1 /x" by me ---*)

val fmz = ["equality (x+1=(2::real))", "solveFor x","solutions L"];

val (dI',pI',mI') =

("Test", ["sqroot-test","univariate","equation","test"],

["Test","squ-equ-test-subpbl1"]);

val (p,_,f,nxt,_,pt) = CalcTreeTEST [(fmz, (dI',pI',mI'))];

val (p,_,f,nxt,_,pt) = me nxt p [] pt;

val (p,_,f,nxt,_,pt) = me nxt p [] pt;

val (p,_,f,nxt,_,pt) = me nxt p [] pt;

val (p,_,f,nxt,_,pt) = me nxt p [] pt;

val (p,_,f,nxt,_,pt) = me nxt p [] pt;

val (p,_,f,nxt,_,pt) = me nxt p [] pt;

val (p,_,f,nxt,_,pt) = me nxt p [] pt; (*nxt = Apply_Method ["Test", "squ-equ-test-subpbl1"]*)

val (p,_,f,nxt,_,pt) = me nxt p [] pt;

val (p,_,f,nxt,_,pt) = me nxt p [] pt;

val (p,_,f,nxt,_,pt) = me nxt p [] pt; (*nxt = Subp ["LINEAR", "univariate", "equation", "test"]*)

val (p,_,f,nxt,_,pt) = me nxt p [] pt;

val (p,_,f,nxt,_,pt) = me nxt p [] pt;

val (p,_,f,nxt,_,pt) = me nxt p [] pt;

val (p,_,f,nxt,_,pt) = me nxt p [] pt;

val (p,_,f,nxt,_,pt) = me nxt p [] pt;

val (p,_,f,nxt,_,pt) = me nxt p [] pt;

val (p,_,f,nxt,_,pt) = me nxt p [] pt;

val (p,_,f,nxt,_,pt) = me nxt p [] pt; (*OKnxt = Apply_Method ["Test", "solve_linear"]*)

val (p'',_,f,nxt,_,pt'') = me nxt p [] pt; (*nxt = Rewrite_Set_Inst..OK isolate_bdv*);

get_ctxt pt'' p'' |> is_e_ctxt; (*OKfalse*)

val ctxt = get_ctxt pt'' p'';

val SOME t = parseNEW ctxt "Check_elementwise [x = 1] {(v_v::real). Assumptions}";

get_loc pt'' p'' |> snd |> is_e_ctxt; (**OKfalse*)

val (p,_,f,nxt,_,pt) = me nxt p'' [] pt''; (*nxt = Rewrite_Set "Test_simplify"*);

get_ctxt pt p |> is_e_ctxt; (*false*)

val ctxt = get_ctxt pt p;

val SOME t = parseNEW ctxt "Check_elementwise [x = 1] {(v_v::real). Assumptions}";

get_loc pt p |> snd |> is_e_ctxt; (*false*)

val (p,_,f,nxt,_,pt) = me nxt p [] pt; (*nxt = Check_Postcond ["LINEAR","univariate", ...]) *);

val (pt'''', p'''') = (pt, p);

"~~~~~ fun me, args:"; val (_,tac) = nxt;

val (pt, p) = case locatetac tac (pt,p) of

("ok", (_, _, ptp)) => ptp | _ => error "script.sml locatetac";

show_pt pt; (*...(([3], Res), [x = 1])]... back in root, OK *)

"~~~~~ fun step, args:"; val (ip as (_,p_), (ptp as (pt,p), tacis)) = (p, ((pt, e_pos'), []))

val pIopt = get_pblID (pt,ip); (*= SOME ["sqroot-test", "univariate", ...]*)

tacis; (*= []*)

member op = [Pbl,Met] p_ andalso is_none (get_obj g_env pt (fst p)); (*= false*)

"~~~~~ fun do_solve_step, args:"; val (ptp as (pt, pos as (p, p_))) = (pt, ip);

val thy' = get_obj g_domID pt (par_pblobj pt p);

val (srls, is, sc) = from_pblobj_or_detail' thy' (p,p_) pt; (*is: which ctxt?*)

"~~~~~ fun determine_next_tactic, args:"; val (thy, (ptp as (pt, pos as (p, _)):ctree * pos'), (sc as Prog (h $ body)),

(ScrState (E,l,a,v,s,b), ctxt)) = ((thy',srls), (pt,pos), sc, is);

val ctxt = get_ctxt pt pos

val SOME t = parseNEW ctxt "Check_elementwise [x = 1] {(v_v::real). Assumptions}";

l; (*= [R, R, D, L, R]*)

"~~~~~ fun nstep_up, args:"; val (thy, ptp, (Prog sc), E, l, ay, a, v) =

(thy, ptp, sc, E, l, Skip_, a, v);

1 < length l; (*true*)

val up = drop_last l;

go up sc; (* = Const ("HOL.Let", *)

"~~~~~ fun nxt_up, args:"; val (thy, ptp, (scr as (Prog sc)), E, l, ay,

(t as Const ("HOL.Let",_) $ _), a, v) =

(thy, ptp, (Prog sc), E, up, ay, (go up sc), a, v);

ay = Napp_; (*false*)

val up = drop_last l;

val (Const ("HOL.Let",_) $ e $ (Abs (i,T,body))) = go up sc;

val i = mk_Free (i, T);

val E = upd_env E (i, v);

body; (*= Const ("Script.Check'_elementwise"*)

"~~~~~ fun appy, args:"; val ((thy as (th,sr)), (pt, p), E, l, t, a, v)=

(thy, ptp, E, (up@[R,D]), body, a, v);

handle_leaf "next " th sr E a v t; (*= (NONE, STac (Const ("Script.Check'_elementwise"*)

val (a', STac stac) = handle_leaf "next " th sr E a v t;

"~~~~~ fun stac2tac_, args:"; val (pt, thy, (Const("Script.Check'_elementwise",_) $ _ $

(set as Const ("Set.Collect",_) $ Abs (_,_,pred)))) = (pt, (assoc_thy th), stac);

(*2011 changed ^^^^^ *)

val (p,_,f,nxt,_,pt) = me nxt p'''' [] pt''''; (*WAS nxt = ("Empty_Tac", Empty_Tac)*)

case nxt of ("Check_elementwise", Check_elementwise "Assumptions") => ()

| _ => error "Check_elementwise changed; after switch sub-->root-method";