Mercurial > octave
comparison libinterp/corefcn/data.cc @ 32045:f18da620ab4d stable
Fix floating point exception when Sparse array reshaped to 0x0 (bug #64080)
* Sparse.cc (reshape): Test for empty matrix (number of rows or columns equal
to 0) and immediately return constructed, but unfilled, empty sparse matrix.
* data.cc (Freshape): Add BIST test for bug #64080.
| author | Rik <rik@octave.org> |
|---|---|
| date | Thu, 20 Apr 2023 18:58:57 -0700 |
| parents | 073cc98750c6 |
| children | 39700c1ea93e |
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| 32033:1824e0ee4088 | 32045:f18da620ab4d |
|---|---|
| 5979 %!assert (size (reshape (ones (4, 4, "single"), 2, 8)), [2, 8]) | 5979 %!assert (size (reshape (ones (4, 4, "single"), 2, 8)), [2, 8]) |
| 5980 %!assert (size (reshape (ones (4, 4, "single"), 8, 2)), [8, 2]) | 5980 %!assert (size (reshape (ones (4, 4, "single"), 8, 2)), [8, 2]) |
| 5981 %!assert (size (reshape (ones (15, 4, "single"), 1, 60)), [1, 60]) | 5981 %!assert (size (reshape (ones (15, 4, "single"), 1, 60)), [1, 60]) |
| 5982 %!assert (size (reshape (ones (15, 4, "single"), 60, 1)), [60, 1]) | 5982 %!assert (size (reshape (ones (15, 4, "single"), 60, 1)), [60, 1]) |
| 5983 | 5983 |
| 5984 %!assert <*64080> (size (reshape (sparse (0, 1), 0, 0)), [0, 0]) | |
| 5985 | |
| 5984 %!test | 5986 %!test |
| 5985 %! s.a = 1; | 5987 %! s.a = 1; |
| 5986 %! fail ("reshape (s, 2, 3)", "can't reshape 1x1 array to 2x3 array"); | 5988 %! fail ("reshape (s, 2, 3)", "can't reshape 1x1 array to 2x3 array"); |
| 5987 | 5989 |
| 5988 %!error reshape () | 5990 %!error reshape () |