Mercurial > octave
diff libinterp/corefcn/bsxfun.cc @ 21345:12280fef2741
automatic broadcasting: correctly handle dimensions of length zero (bug #47085)
* liboctave/numeric/bsxfun.h: fix identification of correct dimensions for
valid broadcasting. Dimensions of length zero should be considered so
use "=! 1" instead of "> 1".
* libinterp/corefcn/bsxfun.cc: add tests.
| author | Carnë Draug <carandraug@octave.org> |
|---|---|
| date | Thu, 25 Feb 2016 13:48:41 +0000 |
| parents | a4faec57f4c8 |
| children | a1aa52bff079 |
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--- a/libinterp/corefcn/bsxfun.cc Wed Feb 24 21:47:10 2016 -0800 +++ b/libinterp/corefcn/bsxfun.cc Thu Feb 25 13:48:41 2016 +0000 @@ -805,5 +805,15 @@ %! endfor %! endfor %! endfor -%! + +## Automatic broadcasting with zero length dimensions (bug #47085) +%!assert ([1 2 3] .+ zeros (0, 3), zeros (0, 3)) +%!assert (rand (3, 3, 1) .+ rand (3, 3, 0), zeros (3, 3, 0)) + +## In-place broadcasting with zero length dimensions (bug #47085) +%!test +%! a = zeros (0, 3); +%! a .+= [1 2 3]; +%! assert (a, zeros (0, 3)) + */