Mercurial > hg > octave-thorsten
changeset 6386:5a91bf0a47e8
[project @ 2007-03-07 05:56:43 by jwe]
| author | jwe |
|---|---|
| date | Wed, 07 Mar 2007 05:56:43 +0000 |
| parents | a192de8c0ead |
| children | 24666a9192f2 |
| files | scripts/ChangeLog scripts/set/setdiff.m |
| diffstat | 2 files changed, 10 insertions(+), 6 deletions(-) [+] |
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--- a/scripts/ChangeLog +++ b/scripts/ChangeLog @@ -1,3 +1,7 @@ +2007-03-07 Paul Kienzle <pkienzle@users.sf.net> + + * set/setdiff.m: Some code cleanup and a fix for setdiff on rows. + 2007-03-06 David Bateman <dbateman@free.fr> John W. Eaton <jwe@octave.org>
--- a/scripts/set/setdiff.m +++ b/scripts/set/setdiff.m @@ -57,8 +57,8 @@ b = unique (b, "rows"); [dummy, idx] = sortrows ([c; b]); ## Eliminate those elements of a that are the same as in b. - n = length (dummy); - c(idx(find (dummy(1:n-1) == dummy(2:n))), :) = []; + dups = find (all (dummy(1:end-1,:) == dummy(2:end,:), 2)); + c(idx(dups),:) = []; endif else c = unique (a); @@ -67,12 +67,12 @@ b = unique (b); [dummy, idx] = sort ([c(:); b(:)]); ## Eliminate those elements of a that are the same as in b. - n = length (dummy); if (iscellstr (dummy)) - c(idx(find (strcmp (dummy(1:n-1), dummy(2:n))))) = []; + dups = find (strcmp (dummy(1:end-1), dummy(2:end))); else - c(idx(find (dummy(1:n-1) == dummy(2:n)))) = []; + dups = find (dummy(1:end-1) == dummy(2:end)); endif + c(idx(dups)) = []; ## Reshape if necessary. if (size (c, 1) != 1 && size (b, 1) == 1) c = c.'; @@ -87,5 +87,5 @@ %!assert(setdiff(["b";"z";"b";"z"],["b";"c";"b"]), "z") %!assert(setdiff([1, 1; 2, 2; 3, 3; 4, 4], [1, 1; 2, 2; 4, 4], "rows"), [3 3]) %!assert(setdiff([1; 2; 3; 4], [1; 2; 4], "rows"), 3) -%!assert(setdiff([1, 2; 3, 4], [1, 2; 3, 6], "rows"), [3, 6]) +%!assert(setdiff([1, 2; 3, 4], [1, 2; 3, 6], "rows"), [3, 4]) %!assert(setdiff({"one","two";"three","four"},{"one","two";"three","six"}), {"four"})