mirror of
https://github.com/LCPQ/quantum_package
synced 2024-12-22 20:35:19 +01:00
Fixed CASSD
This commit is contained in:
parent
0d0cc77de1
commit
4b0021d47f
457
ocaml/Gamess.ml
Normal file
457
ocaml/Gamess.ml
Normal file
@ -0,0 +1,457 @@
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(** CONTRL *)
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type scftyp_t = RHF | ROHF | MCSCF | NONE
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let string_of_scftyp = function
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| RHF -> "RHF"
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| ROHF -> "ROHF"
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| MCSCF -> "MCSCF"
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| NONE -> "NONE"
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type contrl =
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{ scftyp: scftyp_t ;
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maxit: int;
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ispher: int;
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icharg: int;
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mult: int;
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mplevl: int;
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}
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let string_of_contrl c =
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Printf.sprintf " $CONTRL
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EXETYP=RUN COORD=UNIQUE UNITS=ANGS
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RUNTYP=ENERGY SCFTYP=%s CITYP=NONE
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MAXIT=%d
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ISPHER=%d
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MULT=%d
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ICHARG=%d
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MPLEVL=%d
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$END"
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(string_of_scftyp c.scftyp)
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c.maxit c.ispher c.mult c.icharg c.mplevl
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let make_contrl ?(maxit=100) ?(ispher=1) ?(mplevl=0) ~mult ~charge scftyp =
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{ scftyp ; maxit ; ispher ; mult ; icharg=charge ; mplevl }
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(** Vec *)
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type vec_t =
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| Canonical of string
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| Natural of string
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let read_mos guide filename =
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let text =
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let ic = open_in filename in
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let n = in_channel_length ic in
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let s = Bytes.create n in
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really_input ic s 0 n;
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close_in ic;
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s
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in
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let re_vec =
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Str.regexp " \\$VEC *\n"
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and re_natural =
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Str.regexp guide
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and re_end =
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Str.regexp " \\$END *\n"
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and re_eol =
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Str.regexp "\n"
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in
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let i =
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Str.search_forward re_natural text 0
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in
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let start =
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Str.search_forward re_vec text i
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in
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let i =
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Str.search_forward re_end text start
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in
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let finish =
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Str.search_forward re_eol text i
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in
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String.sub text start (finish-start)
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let read_until_found f tries =
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let result =
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List.fold_left (fun accu x ->
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match accu with
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| Some mos -> Some mos
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| None ->
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begin
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try
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Some (read_mos x f)
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with Not_found ->
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None
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end
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) None tries
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in
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match result with
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| Some mos -> mos
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| None -> raise Not_found
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let read_natural_mos f =
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let tries = [
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"--- NATURAL ORBITALS OF MCSCF ---" ;
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"MP2 NATURAL ORBITALS" ]
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in
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read_until_found f tries
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let read_canonical_mos f =
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let tries = [
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"--- OPTIMIZED MCSCF MO-S ---" ;
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"--- CLOSED SHELL ORBITALS ---" ;
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"--- OPEN SHELL ORBITALS ---"
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]
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in
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read_until_found f tries
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let string_of_vec = function
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| Natural filename -> read_natural_mos filename
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| Canonical filename -> read_canonical_mos filename
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(** GUESS *)
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type guess_t =
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| Huckel
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| Hcore
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| Canonical of (int*string)
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| Natural of (int*string)
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let guess_of_string s =
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match String.lowercase s with
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| "huckel" -> Huckel
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| "hcore" -> Hcore
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| _ -> raise (Invalid_argument "Bad MO guess")
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let string_of_guess g =
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[
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" $GUESS\n" ; " GUESS=" ;
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begin
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match g with
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| Hcore -> "HCORE\n"
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| Huckel -> "HUCKEL\n"
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| Canonical (norb,_) | Natural (norb,_) -> Printf.sprintf "MOREAD\n NORB=%d\n" norb
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end
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; " $END" ;
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match g with
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| Hcore
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| Huckel -> ""
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| Natural (_,filename) -> "\n\n"^(string_of_vec (Natural filename))
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| Canonical (_,filename) ->"\n\n"^(string_of_vec (Canonical filename))
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] |> String.concat ""
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(** BASIS *)
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let string_of_basis =
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Printf.sprintf " $BASIS
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GBASIS=%s
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$END"
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(** DATA *)
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type coord_t =
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| Atom of Element.t
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| Diatomic_homo of (Element.t*float)
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| Diatomic of (Element.t*Element.t*float)
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| Xyz of (Element.t*float*float*float) list
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type data_t =
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{ sym: Sym.t ;
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title: string;
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xyz: string;
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nucl_charge: int;
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}
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let data_of_atom ele =
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let atom =
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Element.to_string ele
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in
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let charge =
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Element.to_charge ele
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|> Charge.to_int
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in
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{ sym=Sym.D4h ;
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title=Printf.sprintf "%s" atom ;
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xyz=Printf.sprintf "%s %d.0 0. 0. 0." atom charge ;
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nucl_charge = charge
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}
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let data_of_diatomic_homo ele r =
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assert (r > 0.);
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let atom =
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Element.to_string ele
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in
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let charge =
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Element.to_charge ele
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|> Charge.to_int
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in
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{ sym=Sym.D4h ;
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title=Printf.sprintf "%s2" atom ;
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xyz=Printf.sprintf "%s %d.0 0. 0. %f" atom charge (-.r *. 0.5) ;
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nucl_charge = 2*charge
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}
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let data_of_diatomic ele1 ele2 r =
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assert (r > 0.);
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let atom1, atom2 =
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Element.to_string ele1,
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Element.to_string ele2
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in
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let charge1, charge2 =
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Charge.to_int @@ Element.to_charge ele1,
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Charge.to_int @@ Element.to_charge ele2
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in
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{ sym=Sym.C4v ;
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title=Printf.sprintf "%s%s" atom1 atom2 ;
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xyz=Printf.sprintf "%s %d.0 0. 0. 0.\n%s %d.0 0. 0. %f"
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atom1 charge1 atom2 charge2 r ;
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nucl_charge = charge1 + charge2
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}
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let data_of_xyz l =
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{ sym = Sym.C1 ;
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title = "..." ;
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xyz = String.concat "\n" (
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List.map (fun (e,x,y,z) -> Printf.sprintf "%s %f %f %f %f"
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(Element.to_string e) (Element.to_charge e)
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x y z) l ) ;
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nucl_charge = List.fold_left (fun accu (e,_,_,_) ->
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accu + (int_of_float @@ Element.to_charge e) ) 0 l
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}
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let make_data = function
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| Atom ele -> data_of_atom ele
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| Diatomic_homo (ele,r) -> data_of_diatomic_homo ele r
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| Diatomic (ele1,ele2,r) -> data_of_diatomic ele1 ele2 r
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| Xyz l -> data_of_xyz l
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let string_of_data d =
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String.concat "\n" [ " $DATA" ;
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d.title ;
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Sym.to_data d.sym ;
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] ^ d.xyz ^ "\n $END"
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(** GUGDM *)
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type gugdm2_t = int
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let string_of_gugdm2 = function
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| 1 -> ""
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| i when i<1 -> raise (Invalid_argument "Nstates must be > 0")
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| i ->
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let s =
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Array.make i "1."
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|> Array.to_list
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|> String.concat ","
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in
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Printf.sprintf "
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$GUGDM2
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WSTATE(1)=%s
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$END
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" s
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type gugdia_t =
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{ nstate : int ;
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itermx : int ;
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}
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let string_of_gugdia g =
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Printf.sprintf "
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$GUGDIA
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PRTTOL=0.0001
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NSTATE=%d
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ITERMX=%d
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$END
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" g.nstate g.itermx
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let make_gugdia ?(itermx=500) nstate =
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assert (nstate > 0);
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assert (itermx > 1);
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{ nstate ; itermx }
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(** MCSCF *)
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type mcscf_t = FULLNR | SOSCF | FOCAS
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let string_of_mcscf m =
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" $MCSCF\n" ^
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begin
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match m with
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| FOCAS -> " FOCAS=.T. SOSCF=.F. FULLNR=.F."
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| SOSCF -> " FOCAS=.F. SOSCF=.T. FULLNR=.F."
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| FULLNR -> " FOCAS=.F. SOSCF=.F. FULLNR=.T."
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end ^ "
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CISTEP=GUGA EKT=.F. QUAD=.F. JACOBI=.f.
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MAXIT=1000
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$END"
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type drt_t =
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{ nmcc: int ;
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ndoc: int ;
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nalp: int ;
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nval: int ;
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istsym: int;
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}
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let make_drt ?(istsym=1) n_elec_alpha n_elec_beta n_e n_act =
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let n_elec_tot =
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n_elec_alpha + n_elec_beta
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in
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let nmcc =
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(n_elec_tot - n_e)/2
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in
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let ndoc =
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n_elec_beta - nmcc
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in
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let nalp =
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(n_elec_alpha - nmcc - ndoc)
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in
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let nval =
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n_act - ndoc - nalp
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in
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{ nmcc ; ndoc ; nalp ; nval ; istsym }
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let string_of_drt drt sym =
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Printf.sprintf " $DRT
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NMCC=%d
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NDOC=%d
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NALP=%d
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NVAL=%d
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NEXT=0
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ISTSYM=%d
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FORS=.TRUE.
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GROUP=C1
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MXNINT= 600000
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NPRT=2
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$END"
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drt.nmcc drt.ndoc drt.nalp drt.nval drt.istsym
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(** MP2 *)
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let string_of_mp2 = " $MP2
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MP2PRP=.TRUE.
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$END"
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(** Computation *)
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type computation = HF | MP2 | CAS of (int*int)
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type system =
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{ mult: int ; charge: int ; basis: string ; coord: coord_t }
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let n_elec system =
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let data =
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make_data system.coord
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in
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data.nucl_charge - system.charge
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let n_elec_alpha_beta system =
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let n =
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n_elec system
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and m =
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system.mult
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in
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let alpha =
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(n+m-1)/2
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in
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let beta =
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n - alpha
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in
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(alpha, beta)
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let create_single_det_input ~mp2 ~guess ?(vecfile="") s =
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let scftyp =
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match s.mult with
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| 1 -> RHF
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| _ -> ROHF
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and mult = s.mult
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and charge = s.charge
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and n_elec_alpha, _ =
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n_elec_alpha_beta s
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and mplevl =
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if mp2 then 2 else 0
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in
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[
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make_contrl ~mult ~charge ~mplevl scftyp
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|> string_of_contrl
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;
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begin
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match vecfile with
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| "" -> string_of_guess guess
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| vecfile -> string_of_guess (Canonical (n_elec_alpha, vecfile))
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end
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;
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string_of_basis s.basis
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;
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if mp2 then
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string_of_mp2
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else
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""
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;
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make_data s.coord
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|> string_of_data
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] |> String.concat "\n\n"
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let create_hf_input ~guess =
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create_single_det_input ~mp2:false ~guess
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let create_mp2_input ~guess =
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create_single_det_input ~mp2:true ~guess
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let create_cas_input ?(vecfile="") ~guess ~nstate s n_e n_a =
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let scftyp = MCSCF
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and mult = s.mult
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and charge = s.charge
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in
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let n_elec_alpha, n_elec_beta =
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n_elec_alpha_beta s
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in
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let drt =
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make_drt n_elec_alpha n_elec_beta n_e n_a
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in
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let data =
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make_data s.coord
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in
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[
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make_contrl ~mult ~charge scftyp
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|> string_of_contrl
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;
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begin
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match vecfile with
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| "" -> string_of_guess guess
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| vecfile ->
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let norb =
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drt.nmcc + drt.ndoc + drt.nval + drt.nalp
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in
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try
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string_of_guess (Natural (norb, vecfile))
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with Not_found ->
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string_of_guess (Canonical (norb, vecfile))
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end
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;
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string_of_basis s.basis
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;
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string_of_mcscf FULLNR
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;
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string_of_drt drt data.sym
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;
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make_gugdia nstate
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|> string_of_gugdia
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;
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string_of_gugdm2 nstate
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;
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string_of_data data
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] |> String.concat "\n\n"
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let create_input ?(vecfile="") ?(guess=Huckel) ~system ~nstate = function
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| HF -> create_hf_input ~vecfile ~guess system
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| MP2 -> create_mp2_input ~vecfile ~guess system
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| CAS (n_e,n_a) -> create_cas_input ~vecfile ~nstate ~guess system n_e n_a
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@ -23,15 +23,15 @@ END_PROVIDER
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integer :: i, k, l, m
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logical :: good
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do i=1,N_det_generators
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do i=1,N_det
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do k=1,N_int
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psi_selectors(k,1,i) = psi_det_generators(k,1,i)
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psi_selectors(k,2,i) = psi_det_generators(k,2,i)
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psi_selectors(k,1,i) = psi_det_sorted(k,1,i)
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psi_selectors(k,2,i) = psi_det_sorted(k,2,i)
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enddo
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enddo
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do k=1,N_states
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do i=1,N_det_selectors
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psi_selectors_coef(i,k) = psi_coef_generators(i,k)
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do i=1,N_det
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psi_selectors_coef(i,k) = psi_coef_sorted(i,k)
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enddo
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enddo
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