64d62f1e3e
fix graph compatibility with SICStus re-export declaration. git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@2037 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
180 lines
4.4 KiB
Prolog
180 lines
4.4 KiB
Prolog
%
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% distribution
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%
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:- module(clpbn_dist,[
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dist/1,
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dist/3,
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dists/1,
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get_dist/4,
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get_dist_matrix/5,
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get_dist_domain/2,
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get_dist_params/2,
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get_dist_domain_size/2,
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get_dist_tparams/2,
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dist_to_term/2
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]).
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:- use_module(library(lists),[is_list/1]).
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:- use_module(library(matrix),
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[matrix_new/4,
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matrix_to_logs/1]).
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/*
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:- mode dist(+, -).
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:- mode get_dist(+, -, -, -).
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:- mode get_dist_params(+, -).
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:- mode get_dist_domain_size(+, -).
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:- mode get_dist_domain(+, -).
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:- mode get_dist_nparams(+, -).
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:- mode dist(?).
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:- mode dist_to_term(+,-).
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*/
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/*******************************************
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store stuff in a DB of the form:
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db(Id, CPT, Type, Domain, CPTSize, DSize)
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where Id is the id,
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cptsize is the table size or -1,
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DSize is the domain size,
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Type is
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tab for tabular
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trans for HMMs
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continuous
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Domain is
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a list of values
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bool for [t,f]
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aminoacids for [a,c,d,e,f,g,h,i,k,l,m,n,p,q,r,s,t,v,w,y]
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dna for [a,c,g,t]
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rna for [a,c,g,u]
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reals
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********************************************/
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:- dynamic id/1.
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id(1).
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new_id(Id) :-
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retract(id(Id)),
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Id1 is Id+1,
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assert(id(Id1)).
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dists(X) :- id(X1), X is X1-1.
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dist(V, Id, Parents) :-
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var(V), !,
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freeze(V, dist(V, Id, Parents)).
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dist(p(Type, CPT, Parents), Id, FParents) :-
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when(
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(ground(Type), ground(CPT))
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,
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distribution(Type, CPT, Id, Parents, FParents)
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).
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dist(p(Type, CPT), Id, FParents) :-
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when(
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(ground(Type), ground(CPT))
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,
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distribution(Type, CPT, Id, [], FParents)
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).
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distribution(bool, trans(CPT), Id, Parents, FParents) :-
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is_list(CPT), !,
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compress_hmm_table(CPT, Parents, Tab, FParents),
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add_dist([t,f], trans, Tab, Id).
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distribution(bool, CPT, Id, Parents, Parents) :-
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is_list(CPT), !,
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add_dist([t,f], tab, CPT, Id).
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distribution(aminoacids, trans(CPT), Id, Parents, FParents) :-
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is_list(CPT), !,
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compress_hmm_table(CPT, Parents, Tab, FParents),
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add_dist([a,c,d,e,f,g,h,i,k,l,m,n,p,q,r,s,t,v,w,y], trans, Tab, Id).
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distribution(aminoacids, CPT, Id, Parents, Parents) :-
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is_list(CPT), !,
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add_dist([a,c,d,e,f,g,h,i,k,l,m,n,p,q,r,s,t,v,w,y], tab, CPT, Id).
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distribution(dna, trans(CPT), Id, Parents, FParents) :-
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is_list(CPT), !,
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compress_hmm_table(CPT, Parents, Tab, FParents),
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add_dist([a,c,g,t], trans, Tab, Id).
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distribution(dna, CPT, Id, Parents, Parents) :-
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is_list(CPT), !,
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add_dist([a,c,g,t], tab, CPT, Id).
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distribution(rna, trans(CPT), Id, Parents, FParents) :-
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is_list(CPT), !,
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compress_hmm_table(CPT, Parents, Tab, FParents),
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add_dist([a,c,g,u], trans, Tab, Id).
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distribution(rna, CPT, Id, Parents, Parents) :-
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is_list(CPT), !,
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add_dist([a,c,g,u], tab, CPT, Id).
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distribution(Domain, trans(CPT), Id, Parents, FParents) :-
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is_list(Domain),
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is_list(CPT), !,
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compress_hmm_table(CPT, Parents, Tab, FParents),
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add_dist(Domain, trans, Tab, Id).
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distribution(Domain, CPT, Id, Parents, Parents) :-
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is_list(Domain),
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is_list(CPT), !,
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add_dist(Domain, tab, CPT, Id).
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add_dist(Domain, Type, CPT, Id) :-
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recorded(clpbn_dist_db, db(Id, CPT, Type, Domain, _, _), _), !.
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add_dist(Domain, Type, CPT, Id) :-
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length(CPT, CPTSize),
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length(Domain, DSize),
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new_id(Id),
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recordz(clpbn_dist_db,db(Id, CPT, Type, Domain, CPTSize, DSize),_).
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%
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% Often, * is used to code empty in HMMs.
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%
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compress_hmm_table([], [], [], []).
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compress_hmm_table([*|L],[_|Parents],NL,NParents) :- !,
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compress_hmm_table(L,Parents,NL,NParents).
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compress_hmm_table([Prob|L],[P|Parents],[Prob|NL],[P|NParents]) :-
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compress_hmm_table(L,Parents,NL,NParents).
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dist(Id) :-
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recorded(clpbn_dist_db, db(Id, _, _, _, _, _), _).
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get_dist(Id, Type, Domain, Tab) :-
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recorded(clpbn_dist_db, db(Id, Tab, Type, Domain, _, _), _).
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get_dist_matrix(Id, Parents, Type, Domain, Mat) :-
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recorded(clpbn_dist_db, db(Id, Tab, Type, Domain, _, DomainSize), _),
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get_dsizes(Parents, Sizes, []),
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matrix_new(floats, [DomainSize|Sizes], Tab, Mat),
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matrix_to_logs(Mat).
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get_dsizes([], Sizes, Sizes).
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get_dsizes([P|Parents], [Sz|Sizes], Sizes0) :-
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clpbn:get_atts(P,dist(Dist,_)),
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get_dist_domain_size(Dist, Sz),
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get_dsizes(Parents, Sizes, Sizes0).
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get_dist_params(Id, Parms) :-
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recorded(clpbn_dist_db, db(Id, Parms, _, _, _, _), _).
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get_dist_domain_size(Id, DSize) :-
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recorded(clpbn_dist_db, db(Id, _, _, _, _, DSize), _).
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get_dist_domain(Id, Domain) :-
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recorded(clpbn_dist_db, db(Id, _, _, Domain, _, _), _).
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get_dist_nparams(Id, NParms) :-
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recorded(clpbn_dist_db, db(Id, _, _, _, NParms, _), _).
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dist_to_term(_Id,_Term).
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