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progress with matrix package

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This commit is contained in:
Vitor Santos Costa 2013-09-19 17:59:37 +01:00
parent ab4a6c0ae3
commit 28ff95f8de
2 changed files with 70 additions and 13 deletions
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24
library/examples/matrix.yap
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@ -2,6 +2,28 @@
:- use_module(library(matrix)).
t1 :-
X <== matrix([1,2,3,4,5,6],[dims=[3,2]]),
X <== matrix([1,2,3,4,5,6],[dim=[3,2]]),
writeln(X).
t2 :-
length(L, 10),
X <== matrix(L, [dim=[2,5]]),
writeln(X).
t3 :-
numbers(1, 100, L),
X <== matrix(L, [dim=[10,10]]),
Y <== X[1..2+3,_],
writeln(Y).
t4 :-
numbers(1, 100, L),
X <== matrix(L, [dim=[10,10]]),
X1 <== matrix(X[1..2+3,_], [dim=[2,10]]),
Y <== [size=size(X1),max=max(X1),min=min(X1)],
writeln(Y).
numbers(I0, I1, Vals) :-
( I0 =< I1 -> Vals = [I0|MVals], I01 is I0+1, numbers(I01, I1, MVals) ;
Vals = [] ).

59
library/matrix.yap
View File

@ -109,14 +109,15 @@ rhs(A, A) :- atom(A), !.
rhs(RHS, RHS) :- number(RHS), !.
rhs(RHS, RHS) :- opaque(RHS), !.
rhs(RHS, RHS) :- RHS = m(_, _, _, _), !.
rhs([RHS|RHSs], [NRHS|NRHSs]) :-
maplist(rhs, [RHS|RHSs], [NRHS|NRHSs]).
rhs(matrix(List, Opts), RHS) :-
rhs( List, A1),
new_matrix(A1, Opts, RHS).
rhs(matrix(List), RHS) :-
rhs( List, A1),
new_matrix(A1, [], RHS).
rhs(matrix(List, Opt1), RHS) :-
rhs( List, A1),
new_matrix(A1, Opt1, RHS).
rhs(matrix(List, Opt1, Opt2), RHS) :-
rhs( List, A1),
new_matrix(A1, [Opt1, Opt2], RHS).
@ -150,9 +151,18 @@ rhs(length(RHS), Size) :- !,
rhs(size(RHS), Size) :- !,
rhs(RHS, X1),
matrix_size( X1, Size ).
rhs(as_list(RHS), List) :- !,
rhs(max(RHS), Size) :- !,
rhs(RHS, X1),
matrix_max( X1, Size ).
rhs(min(RHS), Size) :- !,
rhs(RHS, X1),
matrix_min( X1, Size ).
rhs(list(RHS), List) :- !,
rhs(RHS, X1),
matrix_to_list( X1, List ).
rhs(A=B, NA=NB) :- !,
rhs(A, NA),
rhs(B, NB).
rhs('[]'(Args, RHS), Val) :- !,
rhs(RHS, X1),
matrix_dims( X1, Dims ),
@ -168,6 +178,13 @@ rhs('..'(I, J), [I1|Is]) :- !,
rhs(I, I1),
rhs(J, J1),
once( foldl(inc, Is, I1, J1) ).
rhs([H|T], [NH|NT]) :- !,
rhs(H, NH),
rhs(T, NT).
rhs(':'(I, J), [I1|Is]) :- !,
rhs(I, I1),
rhs(J, J1),
once( foldl(inc, Is, I1, J1) ).
set_lhs(V, R) :- var(V), !, V = R.
set_lhs(V, R) :- number(V), !, V = R.
@ -178,18 +195,21 @@ set_lhs(V, R) :- V = '[]'(Indx, M), !,
% ranges of arguments
%
index(Range, V, M, Indx) :- var(V), !,
index(Range, O..(M-1), Indx).
index(Range, 0..(M-1), M, Indx).
index(Range, '*', M, Indx) :- !,
index(Range, O..(M-1), Indx).
index(Range, 0..(M-1), M, Indx).
index(Range, Exp, M, Indx) :- !,
index(Exp, M, Indx0),
( integer(Indx0) -> Indx = Indx0 ;
Indx0 = [Indx] -> true ;
Indx = Indx, Range = range ).
Indx0 = Indx, Range = range ).
index(I, _M, I ) :- integer(I), !.
index(I..J, _M, O ) :- !,
index(I..J, _M, [I|O] ) :- !,
I1 is I, J1 is J,
once( foldl(inc, O, I1, J1) ).
index(I:J, _M, [I|O] ) :- !,
I1 is I, J1 is J,
once( foldl(inc, O, I1, J1) ).
index(I+J, _M, O ) :-
@ -212,6 +232,10 @@ index(I rem J, _M, O ) :-
index(I, M, I1),
index(J, M, J1),
O is I rem J.
index(I, M, NI ) :-
maplist(indx(M), I, NI).
indx(M, I, NI) :- index(I, M, NI).
add_index(I1, J1, O) :-
integer(I1),
@ -292,8 +316,22 @@ matrix_get( Mat, Pos, El) :-
( opaque(Mat) -> matrixn_get( Mat, Pos, El ) ;
m_get(Mat, Pos, El) ).
matrix_get_range( Mat, Pos, El) :-
writeln(Pos).
matrix_get_range( Mat, Pos, Els) :-
slice(Pos, Keys),
maplist( matrix_get(Mat), Keys, Els).
slice([], [[]]).
slice([[H|T]|Extra], Els) :- !,
slice(Extra, Els0),
foldl(add_index_prefix( Els0 ), [H|T], Els, [] ).
slice([H|Extra], Els) :- !,
slice(Extra, Els0),
add_index_prefix( Els0 , H, Els, [] ).
add_index_prefix( [] , _H ) --> [].
add_index_prefix( [L|Els0] , H ) --> [[H|L]],
add_index_prefix( Els0 , H ).
matrix_set( Mat, Pos, El) :-
( opaque(Mat) -> matrixn_set( Mat, Pos, El ) ;
@ -503,6 +541,3 @@ iterate( V in A..B, Cont, GlobalVars, Goal, Vs, Bs) :-
).
numbers(I0..I1, [I0|Vals]) :-
( I0 =< I1 -> Vals = [I0|MVals], I01 is I0+1, generator(I01..I1, MVals) ;
Vals = [] ).