added binary flag suppress_attribute_display to clpbn to suppress the dislpaying of attributes

fixed a bug in bnt.yap: the index of the value of the evidence variable start from 1 rather than from 0
added the possibility of computing the marginal of more than one variable in bnt.yap


git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@2103 b08c6af1-5177-4d33-ba66-4b1c6b8b522a

CLPBN/clpbn.yap

@@ -68,13 +68,14 @@
 	       sort_vars_by_key/3
 	      ]).
 
-:- dynamic solver/1,output/1,use/1.
+:- dynamic solver/1,output/1,use/1,suppress_attribute_display/1.
 
 solver(jt).
 
 %output(xbif(user_error)).
 %output(gviz(user_error)).
 output(no).
+suppress_attribute_display(false).
 
 clpbn_flag(Flag,Option) :-
 	clpbn_flag(Flag, Option, Option).
@@ -97,6 +98,10 @@ clpbn_flag(bnt_path,Before,After) :-
 clpbn_flag(bnt_model,Before,After) :-
 	retract(bnt:bnt_model(Before)),
 	assert(bnt:bnt_model(After)).
+clpbn_flag(suppress_attribute_display,Before,After) :-
+	retract(suppress_attribute_display(Before)),
+	assert(suppress_attribute_display(After)).
+
 
 {Var = Key with Dist} :-
 	put_atts(El,[key(Key),dist(DistInfo,Parents)]),
@@ -135,6 +140,7 @@ clpbn_marginalise(V, Dist) :-
 % or by call_residue/2
 %
 project_attributes(GVars, AVars) :-
+	suppress_attribute_display(false),
 	AVars = [_|_],
 	solver(Solver),
 	( GVars = [_|_] ; Solver = graphs), !,
@@ -144,6 +150,17 @@ project_attributes(GVars, AVars) :-
 	write_out(Solver,CLPBNGVars, AllVars, DiffVars).
 project_attributes(_, _).
 
+call_solver(GVars, AVars) :-
+	AVars = [_|_],
+	solver(Solver),
+	( GVars = [_|_] ; Solver = graphs), !,
+	clpbn_vars(AVars, DiffVars, AllVars),
+	get_clpbn_vars(GVars,CLPBNGVars0),
+	simplify_query_vars(CLPBNGVars0, CLPBNGVars),
+	write_out(Solver,CLPBNGVars, AllVars, DiffVars).
+
+
+
 clpbn_vars(AVars, DiffVars, AllVars) :-
 	sort_vars_by_key(AVars,SortedAVars,DiffVars),
 	incorporate_evidence(SortedAVars, AllVars).

CLPBN/clpbn/bnt.yap

@@ -107,16 +107,19 @@ create_bnt_graph(AllVars, Representatives, SortedVertices, NumberedVertices, Siz
 
 
 % make sure MATLAB works.
+
 init_matlab :-
 	bnt(on), !.
 init_matlab :-
 	start_matlab,
 	bnt_path(Path),
-	atom_concat('cd ', Path, Command),
+	append("cd ",Path,Command),
+%	atom_concat('cd ', Path, Command),
 	matlab_eval_string(Command),
 	matlab_eval_string('addpath(genpathKPM(pwd))',_),
 	assert(bnt(on)).
 
+
 start_matlab :-
 	matlab_on, !.
 start_matlab :-

CLPBN/clpbn/display.yap

@@ -15,6 +15,7 @@
 % what is actually output
 %
 attribute_goal(V, G) :-
+	clpbn:suppress_attribute_display(false),
 	get_atts(V, [posterior(Vs,Vals,Ps,AllDiffs)]),
 	massage_out(Vs, Vals, Ps, G, AllDiffs, V).