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yap-6.3/library/gecode/gecode_yap_hand_written.yap

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added support for gecode library
2011-08-08 14:21:36 +01:00
%% -*- prolog -*-
%%=============================================================================
%% Copyright (C) 2011 by Denys Duchier
%%
%% This program is free software: you can redistribute it and/or modify it
%% under the terms of the GNU Lesser General Public License as published by the
%% Free Software Foundation, either version 3 of the License, or (at your
%% option) any later version.
%%
%% This program is distributed in the hope that it will be useful, but WITHOUT
%% ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
%% FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
%% more details.
%%
%% You should have received a copy of the GNU Lesser General Public License
%% along with this program. If not, see <http://www.gnu.org/licenses/>.
%%=============================================================================
:- module(gecode, [(:=)/2, op(500, xfx, ':='),
(+=)/2, op(500, xfx, '+=')]).
:- op(500, xfx, ':=').
:- op(500, xfx, '+=').
:- load_foreign_files([gecode_yap],[],gecode_init).
is_int(X,Y) :- integer(X), Y=X.
is_int(X) :- integer(X).
is_bool_(true,true).
is_bool_(false,false).
is_bool(X,Y) :- nonvar(X), Y=X.
is_bool(X) :- is_bool(X,_).
is_IntVar_('IntVar'(I),I) :- integer(I).
is_BoolVar_('BoolVar'(I),I) :- integer(I).
is_SetVar_('SetVar'(I),I) :- integer(I).
is_IntVar(X,I) :- nonvar(X), is_IntVar_(X,I).
is_BoolVar(X,I) :- nonvar(X), is_BoolVar_(X,I).
is_SetVar(X,I) :- nonvar(X), is_SetVar_(X,I).
is_IntVar(X) :- is_IntVar(X,_).
is_BoolVar(X) :- is_BoolVar(X,_).
is_SetVar(X) :- is_SetVar(X,_).
is_IntVarArgs_([],[]).
is_IntVarArgs_([H|T],[H2|T2]) :- is_IntVar(H,H2), is_IntVarArgs(T,T2).
is_IntVarArgs(X,Y) :- nonvar(X), is_IntVarArgs_(X,Y).
is_IntVarArgs(X) :- \+ \+ is_IntVarArgs(X,_).
is_BoolVarArgs_([],[]).
is_BoolVarArgs_([H|T],[H2|T2]) :- is_BoolVar(H,H2), is_BoolVarArgs(T,T2).
is_BoolVarArgs(X,Y) :- nonvar(X), is_BoolVarArgs_(X,Y).
is_BoolVarArgs(X) :- \+ \+ is_BoolVarArgs(X,_).
is_SetVarArgs_([],[]).
is_SetVarArgs_([H|T],[H2|T2]) :- is_SetVar(H,H2), is_SetVarArgs(T,T2).
is_SetVarArgs(X,Y) :- nonvar(X), is_SetVarArgs_(X,Y).
is_SetVarArgs(X) :- \+ \+ is_SetVarArgs(X,_).
is_IntArgs_([],[]).
is_IntArgs_([H|T],[H|T2]) :- integer(H), is_IntArgs(T,T2).
is_IntArgs(X,Y) :- nonvar(X), is_IntArgs_(X,Y).
is_IntArgs(X) :- \+ \+ is_IntArgs(X,_).
is_IntSharedArray(X) :- is_IntArgs(X).
is_IntSharedArray(X,Y) :- is_IntArgs(X,Y).
is_TaskTypeArgs_([],[]).
is_TaskTypeArgs_([H|T],[H2|T2]) :- is_TaskType(H,H2), is_TaskTypeArgs(T,T2).
is_TaskTypeArgs(X,Y) :- nonvar(X), is_TaskTypeArgs_(X,Y).
is_TaskTypeArgs(X) :- \+ \+ is_TaskTypeArgs(X,_).
is_IntSet_('IntSet'(L),L).
is_IntSet(X,Y) :- nonvar(X), is_IntSet_(X,Y).
is_IntSet(X) :- is_IntSet(X,_).
is_IntSetArgs_([],[]).
is_IntSetArgs_([H|T],[H2|T2]) :- is_IntSet(H,H2), is_IntSetArgs(T,T2).
is_IntSetArgs(X,Y) :- nonvar(X), is_IntSetArgs_(X,Y).
is_IntSetArgs(X) :- \+ \+ is_IntSetArgs(X,_).
new_intset(X,I,J) :- intset(X,I,J).
new_intset(X,L) :- intset(X,L).
intset(X, I, J) :-
integer(I),
integer(J),
X='IntSet'([(I,J)]).
intset(X, L) :-
is_list_of_intset_specs(L,L2),
X='IntSet'(L2).
is_list_of_intset_specs(X,Y) :-
nonvar(X), is_list_of_intset_specs_(X,Y).
is_list_of_intset_specs_([],[]).
is_list_of_intset_specs_([H|T],[H2|T2]) :-
is_intset_spec(H,H2),
is_list_of_intset_specs(T,T2).
is_intset_spec(X,Y) :- nonvar(X), is_intset_spec_(X,Y).
is_intset_spec_((I,J),(I,J)) :- !, integer(I), integer(J).
is_intset_spec_(I,(I,I)) :- integer(I).
assert_var(X,Y) :-
var(X) -> X=Y; throw(gecode_error(expected(var))).
assert_is_int(X,Y) :-
integer(X) -> X=Y ; throw(gecode_error(expected(int))).
assert_is_Space(X,Y) :-
is_Space(X,Y) -> true ; throw(gecode_error(expected(space))).
assert_is_IntSet(X,Y) :-
is_IntSet(X,Y) -> true ; throw(gecode_error(expected(intset))).
assert_is_IntVar(X,Y) :-
is_IntVar(X,Y) -> true ; throw(gecode_error(expected(intvar))).
assert_is_BoolVar(X,Y) :-
is_BoolVar(X,Y) -> true ; throw(gecode_error(expected(boolvar))).
assert_is_SetVar(X,Y) :-
is_SetVar(X,Y) -> true ; throw(gecode_error(expected(setvar))).
assert_is_IntArgs(X,Y) :-
is_IntArgs(X,Y) -> true ; throw(gecode_error(expected(intargs))).
assert_is_IntVarArgs(X,Y) :-
is_IntVarArgs(X,Y) -> true ; throw(gecode_error(expected(intvarargs))).
assert_is_BoolVarArgs(X,Y) :-
is_BoolVarArgs(X,Y) -> true ; throw(gecode_error(expected(boolvarargs))).
assert_is_SetVarArgs(X,Y) :-
is_SetVarArgs(X,Y) -> true ; throw(gecode_error(expected(setvarargs))).
assert_var(X) :- assert_var(X,_).
assert_is_int(X) :- assert_is_int(X,_).
assert_is_Space(X) :- assert_is_Space(X,_).
assert_is_IntSet(X) :- assert_is_IntSet(X,_).
assert_is_IntVar(X) :- assert_is_IntVar(X,_).
assert_is_BoolVar(X) :- assert_is_BoolVar(X,_).
assert_is_SetVar(X) :- assert_is_SetVar(X,_).
assert_is_IntArgs(X) :- assert_is_IntArgs(X,_).
assert_is_IntVarArgs(X) :- assert_is_IntVarArgs(X,_).
assert_is_BoolVarArgs(X) :- assert_is_BoolVarArgs(X,_).
assert_is_SetVarArgs(X) :- assert_is_SetVarArgs(X,_).
new_space(Space) :-
assert_var(Space),
gecode_new_space(Space_),
Space='Space'(Space_).
is_Space_('Space'(X),X).
is_Space(X,Y) :- nonvar(X), is_Space_(X,Y).
is_Space(X) :- is_Space(X,_).
%% AUTOGENERATE ALL VARIANTS LATER!
new_intvars([], Space, Lo, Hi).
new_intvars([IVar|IVars], Space, Lo, Hi) :-
new_intvar(IVar, Space, Lo, Hi),
new_intvars(IVars, Space, Lo, Hi).
new_intvars([], Space, IntSet).
new_intvars([IVar|IVars], Space, IntSet) :-
new_intvar(IVar, Space, IntSet),
new_intvars(IVars, Space, IntSet).
new_boolvars([], Space).
new_boolvars([BVar|BVars], Space) :-
new_boolvar(BVar, Space),
new_boolvars(BVars, Space).
new_setvars([], Space, X1, X2, X3, X4, X5, X6).
new_setvars([SVar|SVars], Space, X1, X2, X3, X4, X5, X6) :-
new_setvar(SVar, Space, X1, X2, X3, X4, X5, X6),
new_setvars(SVars, Space, X1, X2, X3, X4, X5, X6).
new_setvars([], Space, X1, X2, X3, X4, X5).
new_setvars([SVar|SVars], Space, X1, X2, X3, X4, X5) :-
new_setvar(SVar, Space, X1, X2, X3, X4, X5),
new_setvars(SVars, Space, X1, X2, X3, X4, X5).
new_setvars([], Space, X1, X2, X3, X4).
new_setvars([SVar|SVars], Space, X1, X2, X3, X4) :-
new_setvar(SVar, Space, X1, X2, X3, X4),
new_setvars(SVars, Space, X1, X2, X3, X4).
new_setvars([], Space, X1, X2, X3).
new_setvars([SVar|SVars], Space, X1, X2, X3) :-
new_setvar(SVar, Space, X1, X2, X3),
new_setvars(SVars, Space, X1, X2, X3).
new_setvars([], Space, X1, X2).
new_setvars([SVar|SVars], Space, X1, X2) :-
new_setvar(SVar, Space, X1, X2),
new_setvars(SVars, Space, X1, X2).
%% AUTOGENERATE LATER
assert_integer(X) :- assert_is_int(X).
new_intvar(IVar, Space, Lo, Hi) :- !,
assert_var(IVar),
assert_is_Space_or_Clause(Space,Space_),
assert_integer(Lo),
assert_integer(Hi),
gecode_new_intvar_from_bounds(Idx,Space_,Lo,Hi),
IVar='IntVar'(Idx).
new_intvar(IVar, Space, IntSet) :- !,
assert_var(IVar),
assert_is_Space_or_Clause(Space,Space_),
assert_is_IntSet(IntSet, L),
gecode_new_intvar_from_intset(Idx,Space_,L),
IVar='IntVar'(Idx).
new_boolvar(BVar, Space) :- !,
assert_var(BVar),
assert_is_Space_or_Clause(Space,Space_),
gecode_new_boolvar(Idx,Space_),
BVar='BoolVar'(Idx).
%% (GlbMin,GlbMax,LubMin,LubMax,CardMin,CardMax) 6 new_setvar_1
%% (GlbMin,GlbMax,LubMin,LubMax,CardMin) 5 new_setvar_2
%% (GlbMin,GlbMax,LubMin,LubMax) 4 new_setvar_3
%% (Glb,LubMin,LubMax,CardMin,CardMax) 5 new_setvar_4
%% (Glb,LubMin,LubMax,CardMin) 4 new_setvar_5
%% (Glb,LubMin,LubMax) 3 new_setvar_6
%% (GlbMin,GlbMax,Lub,CardMin,CardMax) 5 new_setvar_7
%% (GlbMin,GlbMax,Lub,CardMin) 4 new_setvar_8
%% (GlbMin,GlbMax,Lub) 3 new_setvar_9
%% (Glb,Lub,CardMin,CardMax) 4 new_setvar_10
%% (Glb,Lub,CardMin) 3 new_setvar_11
%% (Glb,Lub) 2 new_setvar_12
%% 6 arguments
%% (GlbMin,GlbMax,LubMin,LubMax,CardMin,CardMax) 6 new_setvar_1
new_setvar(SVar, Space, GlbMin, GlbMax, LubMin, LubMax, CardMin, CardMax) :-
assert_var(SVar),
assert_is_Space_or_Clause(Space,Space_),
assert_integer(GlbMin),
assert_integer(GlbMax),
assert_integer(LubMin),
assert_integer(LubMax),
assert_integer(CardMin),
assert_integer(CardMax),
gecode_new_setvar(Idx, Space_, GlbMin, GlbMax, LubMib, LubMax, CardMin, CardMax),
SVar='SetVar'(Idx).
%% 5 arguments
%% (GlbMin,GlbMax,LubMin,LubMax,CardMin) 5 new_setvar_2
%% (Glb,LubMin,LubMax,CardMin,CardMax) 5 new_setvar_4
%% (GlbMin,GlbMax,Lub,CardMin,CardMax) 5 new_setvar_7
new_setvar(SVar, Space, X1, X2, X3, X4, X5) :-
assert_var(SVar),
assert_is_Space_or_Clause(Space,Space_),
(integer(X1)
->
assert_integer(X2),
assert_integer(X4),
assert_integer(X5),
(is_IntSet(X3,X3_)
-> gecode_new_setvar_7(Idx,Space_,X1,X2,X3_,X4,X5)
; gecode_new_setvar_2(Idx,Space_,X1,X2,X3,X4,X5))
;
assert_is_IntSet(X1,X1_),
assert_integer(X2),
assert_integer(X3),
assert_integer(X4),
assert_integer(X5),
gecode_new_setvar_4(Idx,Space_,X1_,X2,X3,X4,X5)),
SVar='SetVar'(Idx).
%% 4 arguments
%% (GlbMin,GlbMax,LubMin,LubMax) 4 new_setvar_3
%% (Glb,LubMin,LubMax,CardMin) 4 new_setvar_5
%% (GlbMin,GlbMax,Lub,CardMin) 4 new_setvar_8
%% (Glb,Lub,CardMin,CardMax) 4 new_setvar_10
new_setvar(SVar,Space,X1,X2,X3,X4) :-
assert_var(SVar),
assert_is_Space_or_Clause(Space,Space_),
assert_integer(X4),
(is_IntSet(X1,X1_)
-> (is_IntSet(X2,X2_)
->
assert_integer(X3),
gecode_new_setvar_10(Idx,Space_,X1_,X2_,X3,X4)
;
assert_integer(X2),
assert_integer(X3),
gecode_new_setvar_5(Idx,Space_,X1_,X2,X3,X4))
;
assert_integer(X1),
assert_integer(X2),
(is_IntSet(X3,X3_)
->
gecode_new_setvar_8(Idx,Space_,X1,X2,X3_,X4)
;
assert_integer(X3),
gecode_new_setvar_3(Idx,Space_,X1,X2,X3,X4))),
SVar='SetVar'(Idx).
%% 3 arguments
%% (Glb,LubMin,LubMax) 3 new_setvar_6
%% (GlbMin,GlbMax,Lub) 3 new_setvar_9
%% (Glb,Lub,CardMin) 3 new_setvar_11
new_setvar(SVar,Space,X1,X2,X3) :-
assert_var(SVar),
assert_is_Space_or_Clause(Space,Space_),
(is_IntSet(X1,X1_)
-> (is_IntSet(X2,X2_)
->
assert_integer(X3),
gecode_new_setvar_11(Idx,Space_,X1_,X2_,X3)
;
assert_integer(X2),
assert_integer(X3),
gecode_new_setvar_6(Idx,Space_,X1_,X2,X3))
;
assert_integer(X1),
assert_integer(X2),
assert_is_IntSet(X3,X3_),
gecode_new_setvar_9(Idx,Space_,X1,X2,X3_)),
SVar='SetVar'(Idx).
%% 2 arguments
%% (Glb,Lub) 2 new_setvar_12
new_setvar(SVar,Space,X1,X2) :-
assert_var(SVar),
assert_is_Space_or_Clause(Space,Space_),
assert_is_IntSet(X1,X1_),
assert_is_IntSet(X2,X2_),
gecode_new_setvar_12(Idx,Space_,X1_,X2_),
SVar='SetVar'(Idx).
minimize(Space,IVar) :-
assert_is_Space(Space,Space_),
assert_is_IntVar(IVar,IVar_),
gecode_space_minimize(Space_,IVar_).
maximize(Space,IVar) :-
assert_is_Space(Space,Space_),
assert_is_IntVar(IVar,IVar_),
gecode_space_maximize(Space_,IVar_).
minimize(Space,IVar1,IVar2) :-
assert_is_Space(Space,Space_),
assert_is_IntVar(IVar1,IVar1_),
assert_is_IntVar(IVar2,IVar2_),
gecode_space_minimize_ratio(Space_,IVar1_,IVar2_).
maximize(Space,IVar1,IVar2) :-
assert_is_Space(Space,Space_),
assert_is_IntVar(IVar1,IVar1_),
assert_is_IntVar(IVar2,IVar2_),
gecode_space_maximize_ratio(Space_,IVar1_,IVar2_).
search(Space, Solution) :-
assert_is_Space(Space,Space_),
assert_var(Solution),
gecode_new_engine(Space_,Engine_),
gecode_engine_search(Engine_,Solution_),
Solution='Space'(Solution_).
%% INSPECTING VARIABLES
get_for_vars([],Space,[],F).
get_for_vars([V|Vs],Space,[V2|V2s],F) :-
call_with_args(F,V,Space,V2),
get_for_vars(Vs,Space,V2s,F).
get_assigned(Space, Var) :-
assert_is_Space(Space,Space_),
is_IntVar(Var,Var_)
-> gecode_intvar_assigned(Space_,Var_)
; is_BoolVar(Var,Var_)
-> gecode_boolvar_assigned(Space_,Var_)
; is_SetVar(Var,Var_)
-> gecode_setvar_assigned(Space_,Var_)
; throw(gecode_error(expected(variable))).
get_min(X, Space, Var) :-
assert_is_Space(Space,Space_),
is_IntVar(Var,Var_)
-> gecode_intvar_min(X, Space_, Var_)
; is_BoolVar(Var,Var_)
-> gecode_boolvar_min(X, Space_, Var_)
; get_for_vars(X, Space, Var, gecode:get_min).
get_max(X, Space, Var) :-
assert_is_Space(Space,Space_),
is_IntVar(Var,Var_)
-> gecode_intvar_max(X, Space_, Var_)
; is_BoolVar(Var,Var_)
-> gecode_boolvar_max(X, Space_, Var_)
; get_for_vars(X, Space, Var, gecode:get_max).
get_med(X, Space, Var) :-
assert_is_Space(Space,Space_),
is_IntVar(Var,Var_)
-> gecode_intvar_med(X, Space_, Var_)
; is_BoolVar(Var,Var_)
-> gecode_boolvar_med(X, Space_, Var_)
; get_for_vars(X, Space, Var, gecode:get_med).
get_val(X, Space, Var) :-
assert_is_Space(Space,Space_),
is_IntVar(Var,Var_)
-> gecode_intvar_val(X, Space_, Var_)
; is_BoolVar(Var,Var_)
-> gecode_boolvar_val(X, Space_, Var_)
; get_for_vars(X, Space, Var, gecode:get_val).
get_size(X, Space, Var) :-
assert_is_Space(Space,Space_),
is_IntVar(Var,Var_)
-> gecode_intvar_size(X, Space_, Var_)
; is_BoolVar(Var,Var_)
-> gecode_boolvar_size(X, Space_, Var_)
; get_for_vars(X, Space, Var, gecode:get_size).
get_width(X, Space, Var) :-
assert_is_Space(Space,Space_),
is_IntVar(Var,Var_)
-> gecode_intvar_width(X, Space_, Var_)
; is_BoolVar(Var,Var_)
-> gecode_boolvar_width(X, Space_, Var_)
; get_for_vars(X, Space, Var, gecode:get_width).
get_regret_min(X, Space, Var) :-
assert_is_Space(Space,Space_),
is_IntVar(Var,Var_)
-> gecode_intvar_regret_min(X, Space_, Var_)
; is_BoolVar(Var,Var_)
-> gecode_boolvar_regret_min(X, Space_, Var_)
; get_for_vars(X, Space, Var, gecode:get_regret_min).
get_regret_max(X, Space, Var) :-
assert_is_Space(Space,Space_),
is_IntVar(Var,Var_)
-> gecode_intvar_regret_max(X, Space_, Var_)
; is_BoolVar(Var,Var_)
-> gecode_boolvar_regret_max(X, Space_, Var_)
; get_for_vars(X, Space, Var, gecode:get_regret_max).
get_glbSize(X, Space, Var) :-
assert_is_Space(Space,Space_),
is_SetVar(Var,Var_)
-> gecode_setvar_glbSize(X,Space_,Var_)
; get_for_vars(X, Space, Var, gecode:get_glbSize).
get_lubSize(X, Space, Var) :-
assert_is_Space(Space,Space_),
is_SetVar(Var,Var_)
-> gecode_setvar_lubSize(X,Space_,Var_)
; get_for_vars(X, Space, Var, gecode:get_lubSize).
get_unknownSize(X, Space, Var) :-
assert_is_Space(Space,Space_),
is_SetVar(Var,Var_)
-> gecode_setvar_unknownSize(X,Space_,Var_)
; get_for_vars(X, Space, Var, gecode:get_unknownSize).
get_cardMin(X, Space, Var) :-
assert_is_Space(Space,Space_),
is_SetVar(Var,Var_)
-> gecode_setvar_cardMin(X,Space_,Var_)
; get_for_vars(X, Space, Var, gecode:get_cardMin).
get_cardMax(X, Space, Var) :-
assert_is_Space(Space,Space_),
is_SetVar(Var,Var_)
-> gecode_setvar_cardMax(X,Space_,Var_)
; get_for_vars(X, Space, Var, gecode:get_cardMax).
get_lubMin(X, Space, Var) :-
assert_is_Space(Space,Space_),
is_SetVar(Var,Var_)
-> gecode_setvar_lubMin(X,Space_,Var_)
; get_for_vars(X, Space, Var, gecode:get_lubMin).
get_lubMax(X, Space, Var) :-
assert_is_Space(Space,Space_),
is_SetVar(Var,Var_)
-> gecode_setvar_lubMax(X,Space_,Var_)
; get_for_vars(X, Space, Var, gecode:get_lubMax).
get_glbMin(X, Space, Var) :-
assert_is_Space(Space,Space_),
is_SetVar(Var,Var_)
-> gecode_setvar_glbMin(X,Space_,Var_)
; get_for_vars(X, Space, Var, gecode:get_glbMin).
get_glbMax(X, Space, Var) :-
assert_is_Space(Space,Space_),
is_SetVar(Var,Var_)
-> gecode_setvar_glbMax(X,Space_,Var_)
; get_for_vars(X, Space, Var, gecode:get_glbMax).
get_glb_ranges(X, Space, Var) :-
assert_is_Space(Space,Space_),
is_SetVar(Var,Var_)
-> gecode_setvar_glb_ranges(X,Space_,Var_)
; get_for_vars(X,Space,Var,gecode:get_glb_ranges).
get_lub_ranges(X, Space, Var) :-
assert_is_Space(Space,Space_),
is_SetVar(Var,Var_)
-> gecode_setvar_lub_ranges(X,Space_,Var_)
; get_for_vars(X,Space,Var,gecode:get_lub_ranges).
get_unknown_ranges(X, Space, Var) :-
assert_is_Space(Space,Space_),
is_SetVar(Var,Var_)
-> gecode_setvar_unknown_ranges(X,Space_,Var_)
; get_for_vars(X,Space,Var,gecode:get_unknown_ranges).
get_glb_values(X, Space, Var) :-
assert_is_Space(Space,Space_),
is_SetVar(Var,Var_)
-> gecode_setvar_glb_values(X,Space_,Var_)
; get_for_vars(X,Space,Var,gecode:get_glb_values).
get_lub_values(X, Space, Var) :-
assert_is_Space(Space,Space_),
is_SetVar(Var,Var_)
-> gecode_setvar_lub_values(X,Space_,Var_)
; get_for_vars(X,Space,Var,gecode:get_lub_values).
get_unknown_values(X, Space, Var) :-
assert_is_Space(Space,Space_),
is_SetVar(Var,Var_)
-> gecode_setvar_unknown_values(X,Space_,Var_)
; get_for_vars(X,Space,Var,gecode:get_unknown_values).
new_disjunctor(X, Space) :-
assert_is_Space(Space,Space_),
gecode_new_disjunctor(D,Space_),
X='Disjunctor'(D).
is_Disjunctor_('Disjunctor'(D),D).
is_Disjunctor(X,Y) :- nonvar(X), is_Disjunctor_(X,Y).
is_Disjunctor(X) :- is_Disjunctor(X,_).
assert_is_Disjunctor(X,Y) :-
is_Disjunctor(X,Y) -> true ; throw(gecode_error(expected(disjunctor))).
new_clause(X, Disj) :-
assert_is_Disjunctor(Disj,Disj_),
gecode_new_clause(C, Disj_),
X='Clause'(C).
is_Clause_('Clause'(C),C).
is_Clause(X,Y) :- nonvar(X), is_Clause_(X,Y).
is_Clause(X) :- is_Clause(X,_).
assert_is_Clause(X,Y) :-
is_Clause(X,Y) -> true ; throw(gecode_error(expected(clause))).
is_Space_or_Clause(X,Y) :-
(is_Space(X,Y);is_Clause(X,Y)), !.
assert_is_Space_or_Clause(X,Y) :-
is_Space_or_Clause(X,Y) -> true
; throw(gecode_error(expected(space,clause))).
new_forward(Clause, X, Y) :-
assert_is_Clause(Clause, Clause_),
(is_IntVar(X,X_)
-> (is_IntVar(Y,Y_)
-> gecode_clause_intvar_forward(Clause_,X_,Y_)
; throw(gecode_error(forward)))
; (is_BoolVar(X,X_)
-> (is_BoolVar(Y,Y_)
-> gecode_clause_boolvar_forward(Clause_,X_,Y_)
; throw(gecode_error(forward)))
; (is_SetVar(X,X_)
-> (is_SetVar(Y,Y_)
-> gecode_clause_setvar_forward(Clause_,X_,Y_)
; throw(gecode_error(forward)))
; (X=[]
-> Y=[]
;(X=[H1|T1],Y=[H2|T2])
-> (new_forward(Clause,H1,H2),
new_forward(Clause,T1,T2))
; throw(gecode_error(forward)))))).
new_intvars_(L,Space,N,I,J) :- length(L,N), new_intvars(L,Space,I,J).
new_intvars_(L,Space,N,IntSet) :- length(L,N), new_intvars(L,Space,IntSet).
new_boolvars_(L,Space,N) :- length(L,N), new_boolvars(L,Space).
new_setvars_(L,Space,N,X1,X2,X3,X4,X5,X6) :- length(L,N), new_setvars(L,Space,X1,X2,X3,X4,X5,X6).
new_setvars_(L,Space,N,X1,X2,X3,X4,X5) :- length(L,N), new_setvars(L,Space,X1,X2,X3,X4,X5).
new_setvars_(L,Space,N,X1,X2,X3,X4) :- length(L,N), new_setvars(L,Space,X1,X2,X3,X4).
new_setvars_(L,Space,N,X1,X2,X3) :- length(L,N), new_setvars(L,Space,X1,X2,X3).
new_setvars_(L,Space,N,X1,X2) :- length(L,N), new_setvars(L,Space,X1,X2).
%% more concise interface:
(X := Y) :- var(Y), !, throw(gecode_error((X := Y))).
(X := intset(I,J)) :- !, new_intset(X,I,J).
(X := intset(L)) :- !, new_intset(X,L).
(X := space) :- !, new_space(X).
(X := intvar(Space,I,J)) :- !, new_intvar(X,Space,I,J).
(X := intvar(Space,IntSet)) :- !, new_intvar(X,Space,IntSet).
(X := boolvar(Space)) :- !, new_boolvar(X,Space).
(X := setvar(Space,X1,X2,X3,X4,X5,X6)) :- !, new_setvar(X,Space,X1,X2,X3,X4,X5,X6).
(X := setvar(Space,X1,X2,X3,X4,X5)) :- !, new_setvar(X,Space,X1,X2,X3,X4,X5).
(X := setvar(Space,X1,X2,X3,X4)) :- !, new_setvar(X,Space,X1,X2,X3,X4).
(X := setvar(Space,X1,X2,X3)) :- !, new_setvar(X,Space,X1,X2,X3).
(X := setvar(Space,X1,X2)) :- !, new_setvar(X,Space,X1,X2).
(X := intvars(Space,N,I,J)) :- !, new_intvars_(X,Space,N,I,J).
(X := intvars(Space,N,IntSet)) :- !, new_intvars_(X,Space,N,IntSet).
(X := boolvars(Space,N)) :- !, new_boolvars_(X,Space,N).
(X := setvars(Space,N,X1,X2,X3,X4,X5,X6)) :- !, new_setvars_(X,Space,N,X1,X2,X3,X4,X5,X6).
(X := setvars(Space,N,X1,X2,X3,X4,X5)) :- !, new_setvars_(X,Space,N,X1,X2,X3,X4,X5).
(X := setvars(Space,N,X1,X2,X3,X4)) :- !, new_setvars_(X,Space,N,X1,X2,X3,X4).
(X := setvars(Space,N,X1,X2,X3)) :- !, new_setvars_(X,Space,N,X1,X2,X3).
(X := setvars(Space,N,X1,X2)) :- !, new_setvars_(X,Space,N,X1,X2).
(X := min(Space,Var)) :- !, get_min(X,Space,Var).
(X := max(Space,Var)) :- !, get_max(X,Space,Var).
(X := med(Space,Var)) :- !, get_med(X,Space,Var).
(X := val(Space,Var)) :- !, get_val(X,Space,Var).
(X := size(Space,Var)) :- !, get_size(X,Space,Var).
(X := width(Space,Var)) :- !, get_width(X,Space,Var).
(X := regret_min(Space,Var)) :- !, get_regret_min(X,Space,Var).
(X := regret_max(Space,Var)) :- !, get_regret_max(X,Space,Var).
(X := glbSize(Space,Var)) :- !, get_glbSize(X,Space,Var).
(X := lubSize(Space,Var)) :- !, get_lubSize(X,Space,Var).
(X := unknownSize(Space,Var)) :- !, get_unknownSize(X,Space,Var).
(X := cardMin(Space,Var)) :- !, get_cardMin(X,Space,Var).
(X := cardMax(Space,Var)) :- !, get_cardMax(X,Space,Var).
(X := lubMin(Space,Var)) :- !, get_lubMin(X,Space,Var).
(X := lubMax(Space,Var)) :- !, get_lubMax(X,Space,Var).
(X := glbMin(Space,Var)) :- !, get_glbMin(X,Space,Var).
(X := glbMax(Space,Var)) :- !, get_glbMax(X,Space,Var).
(X := glb_ranges(Space,Var)) :- !, get_glb_ranges(X,Space,Var).
(X := lub_ranges(Space,Var)) :- !, get_lub_ranges(X,Space,Var).
(X := unknown_ranges(Space,Var)) :- !, get_unknown_ranges(X,Space,Var).
(X := glb_values(Space,Var)) :- !, get_glb_values(X,Space,Var).
(X := lub_values(Space,Var)) :- !, get_lub_values(X,Space,Var).
(X := unknown_values(Space,Var)) :- !, get_unknown_values(X,Space,Var).
(X := disjunctor(Space)) :- !, new_disjunctor(X,Space).
(X := clause(Disj)) :- !, new_clause(X,Disj).
(X := search(Y)) :- !, search(Y,X).
% these should be autogenerated:
(C += forward(X,Y)) :- !, new_forward(C,X,Y).
(Space += abs(X1,X2)) :- !, abs(Space,X1,X2).
(Space += abs(X1,X2,X3)) :- !, abs(Space,X1,X2,X3).
(Space += assign(X1,X2)) :- !, assign(Space,X1,X2).
(Space += atmostOne(X1,X2)) :- !, atmostOne(Space,X1,X2).
(Space += binpacking(X1,X2,X3)) :- !, binpacking(Space,X1,X2,X3).
(Space += binpacking(X1,X2,X3,X4)) :- !, binpacking(Space,X1,X2,X3,X4).
(Space += branch(X1,X2)) :- !, branch(Space,X1,X2).
(Space += branch(X1,X2,X3)) :- !, branch(Space,X1,X2,X3).
(Space += cardinality(X1,X2)) :- !, cardinality(Space,X1,X2).
(Space += cardinality(X1,X2,X3)) :- !, cardinality(Space,X1,X2,X3).
(Space += channel(X1,X2)) :- !, channel(Space,X1,X2).
(Space += channel(X1,X2,X3)) :- !, channel(Space,X1,X2,X3).
(Space += channel(X1,X2,X3,X4)) :- !, channel(Space,X1,X2,X3,X4).
(Space += channel(X1,X2,X3,X4,X5)) :- !, channel(Space,X1,X2,X3,X4,X5).
(Space += channelSorted(X1,X2)) :- !, channelSorted(Space,X1,X2).
(Space += circuit(X1)) :- !, circuit(Space,X1).
(Space += circuit(X1,X2)) :- !, circuit(Space,X1,X2).
(Space += circuit(X1,X2,X3)) :- !, circuit(Space,X1,X2,X3).
(Space += circuit(X1,X2,X3,X4)) :- !, circuit(Space,X1,X2,X3,X4).
(Space += circuit(X1,X2,X3,X4,X5)) :- !, circuit(Space,X1,X2,X3,X4,X5).
(Space += circuit(X1,X2,X3,X4,X5,X6)) :- !, circuit(Space,X1,X2,X3,X4,X5,X6).
(Space += clause(X1,X2,X3,X4)) :- !, clause(Space,X1,X2,X3,X4).
(Space += clause(X1,X2,X3,X4,X5)) :- !, clause(Space,X1,X2,X3,X4,X5).
(Space += convex(X1)) :- !, convex(Space,X1).
(Space += convex(X1,X2)) :- !, convex(Space,X1,X2).
(Space += count(X1,X2)) :- !, count(Space,X1,X2).
(Space += count(X1,X2,X3)) :- !, count(Space,X1,X2,X3).
(Space += count(X1,X2,X3,X4)) :- !, count(Space,X1,X2,X3,X4).
(Space += count(X1,X2,X3,X4,X5)) :- !, count(Space,X1,X2,X3,X4,X5).
(Space += cumulative(X1,X2,X3,X4)) :- !, cumulative(Space,X1,X2,X3,X4).
(Space += cumulative(X1,X2,X3,X4,X5)) :- !, cumulative(Space,X1,X2,X3,X4,X5).
(Space += cumulative(X1,X2,X3,X4,X5,X6)) :- !, cumulative(Space,X1,X2,X3,X4,X5,X6).
(Space += cumulative(X1,X2,X3,X4,X5,X6,X7)) :- !, cumulative(Space,X1,X2,X3,X4,X5,X6,X7).
(Space += cumulatives(X1,X2,X3,X4,X5,X6,X7)) :- !, cumulatives(Space,X1,X2,X3,X4,X5,X6,X7).
(Space += cumulatives(X1,X2,X3,X4,X5,X6,X7,X8)) :- !, cumulatives(Space,X1,X2,X3,X4,X5,X6,X7,X8).
(Space += distinct(X1)) :- !, distinct(Space,X1).
(Space += distinct(X1,X2)) :- !, distinct(Space,X1,X2).
(Space += distinct(X1,X2,X3)) :- !, distinct(Space,X1,X2,X3).
(Space += div(X1,X2,X3)) :- !, div(Space,X1,X2,X3).
(Space += div(X1,X2,X3,X4)) :- !, div(Space,X1,X2,X3,X4).
(Space += divmod(X1,X2,X3,X4)) :- !, divmod(Space,X1,X2,X3,X4).
(Space += divmod(X1,X2,X3,X4,X5)) :- !, divmod(Space,X1,X2,X3,X4,X5).
(Space += dom(X1,X2)) :- !, dom(Space,X1,X2).
(Space += dom(X1,X2,X3)) :- !, dom(Space,X1,X2,X3).
(Space += dom(X1,X2,X3,X4)) :- !, dom(Space,X1,X2,X3,X4).
(Space += dom(X1,X2,X3,X4,X5)) :- !, dom(Space,X1,X2,X3,X4,X5).
(Space += element(X1,X2,X3)) :- !, element(Space,X1,X2,X3).
(Space += element(X1,X2,X3,X4)) :- !, element(Space,X1,X2,X3,X4).
(Space += element(X1,X2,X3,X4,X5)) :- !, element(Space,X1,X2,X3,X4,X5).
(Space += element(X1,X2,X3,X4,X5,X6)) :- !, element(Space,X1,X2,X3,X4,X5,X6).
(Space += element(X1,X2,X3,X4,X5,X6,X7)) :- !, element(Space,X1,X2,X3,X4,X5,X6,X7).
(Space += linear(X1,X2,X3)) :- !, linear(Space,X1,X2,X3).
(Space += linear(X1,X2,X3,X4)) :- !, linear(Space,X1,X2,X3,X4).
(Space += linear(X1,X2,X3,X4,X5)) :- !, linear(Space,X1,X2,X3,X4,X5).
(Space += linear(X1,X2,X3,X4,X5,X6)) :- !, linear(Space,X1,X2,X3,X4,X5,X6).
(Space += max(X1,X2)) :- !, max(Space,X1,X2).
(Space += max(X1,X2,X3)) :- !, max(Space,X1,X2,X3).
(Space += max(X1,X2,X3,X4)) :- !, max(Space,X1,X2,X3,X4).
(Space += min(X1,X2)) :- !, min(Space,X1,X2).
(Space += min(X1,X2,X3)) :- !, min(Space,X1,X2,X3).
(Space += min(X1,X2,X3,X4)) :- !, min(Space,X1,X2,X3,X4).
(Space += mod(X1,X2,X3)) :- !, mod(Space,X1,X2,X3).
(Space += mod(X1,X2,X3,X4)) :- !, mod(Space,X1,X2,X3,X4).
(Space += mult(X1,X2,X3)) :- !, mult(Space,X1,X2,X3).
(Space += mult(X1,X2,X3,X4)) :- !, mult(Space,X1,X2,X3,X4).
(Space += nooverlap(X1,X2,X3,X4)) :- !, nooverlap(Space,X1,X2,X3,X4).
(Space += nooverlap(X1,X2,X3,X4,X5)) :- !, nooverlap(Space,X1,X2,X3,X4,X5).
(Space += nooverlap(X1,X2,X3,X4,X5,X6)) :- !, nooverlap(Space,X1,X2,X3,X4,X5,X6).
(Space += nooverlap(X1,X2,X3,X4,X5,X6,X7)) :- !, nooverlap(Space,X1,X2,X3,X4,X5,X6,X7).
(Space += nooverlap(X1,X2,X3,X4,X5,X6,X7,X8)) :- !, nooverlap(Space,X1,X2,X3,X4,X5,X6,X7,X8).
(Space += notMax(X1,X2)) :- !, notMax(Space,X1,X2).
(Space += notMin(X1,X2)) :- !, notMin(Space,X1,X2).
(Space += path(X1,X2,X3)) :- !, path(Space,X1,X2,X3).
(Space += path(X1,X2,X3,X4)) :- !, path(Space,X1,X2,X3,X4).
(Space += path(X1,X2,X3,X4,X5)) :- !, path(Space,X1,X2,X3,X4,X5).
(Space += path(X1,X2,X3,X4,X5,X6)) :- !, path(Space,X1,X2,X3,X4,X5,X6).
(Space += path(X1,X2,X3,X4,X5,X6,X7)) :- !, path(Space,X1,X2,X3,X4,X5,X6,X7).
(Space += path(X1,X2,X3,X4,X5,X6,X7,X8)) :- !, path(Space,X1,X2,X3,X4,X5,X6,X7,X8).
(Space += precede(X1,X2)) :- !, precede(Space,X1,X2).
(Space += precede(X1,X2,X3)) :- !, precede(Space,X1,X2,X3).
(Space += precede(X1,X2,X3,X4)) :- !, precede(Space,X1,X2,X3,X4).
(Space += rel(X1,X2)) :- !, rel(Space,X1,X2).
(Space += rel(X1,X2,X3)) :- !, rel(Space,X1,X2,X3).
(Space += rel(X1,X2,X3,X4)) :- !, rel(Space,X1,X2,X3,X4).
(Space += rel(X1,X2,X3,X4,X5)) :- !, rel(Space,X1,X2,X3,X4,X5).
(Space += sequence(X1)) :- !, sequence(Space,X1).
(Space += sequence(X1,X2)) :- !, sequence(Space,X1,X2).
(Space += sequence(X1,X2,X3,X4,X5)) :- !, sequence(Space,X1,X2,X3,X4,X5).
(Space += sequence(X1,X2,X3,X4,X5,X6)) :- !, sequence(Space,X1,X2,X3,X4,X5,X6).
(Space += sorted(X1,X2)) :- !, sorted(Space,X1,X2).
(Space += sorted(X1,X2,X3)) :- !, sorted(Space,X1,X2,X3).
(Space += sorted(X1,X2,X3,X4)) :- !, sorted(Space,X1,X2,X3,X4).
(Space += sqr(X0,X1,X2,X3)) :- !, sqr(Space,X0,X1,X2,X3).
(Space += sqr(X1,X2)) :- !, sqr(Space,X1,X2).
(Space += sqrt(X1,X2)) :- !, sqrt(Space,X1,X2).
(Space += sqrt(X1,X2,X3)) :- !, sqrt(Space,X1,X2,X3).
(Space += unary(X1,X2)) :- !, unary(Space,X1,X2).
(Space += unary(X1,X2,X3)) :- !, unary(Space,X1,X2,X3).
(Space += unary(X1,X2,X3,X4)) :- !, unary(Space,X1,X2,X3,X4).
(Space += unary(X1,X2,X3,X4,X5)) :- !, unary(Space,X1,X2,X3,X4,X5).
(Space += unshare(X1)) :- !, unshare(Space,X1).
(Space += unshare(X1,X2)) :- !, unshare(Space,X1,X2).
(Space += weights(X1,X2,X3,X4)) :- !; weights(Space,X1,X2,X3,X4).
(Space += minimize(X)) :- !, minimize(Space,X).
(Space += maximize(X)) :- !, maximize(Space,X).
(Space += minimize(X,Y)) :- !, minimize(Space,X,Y).
(Space += maximize(X,Y)) :- !, maximize(Space,X,Y).
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