Dear all,
while playing with ibis::bundle I think I have found a bug in the
reorder() method. In particular the code (bundle.ccp line 1416 and
followings)
if (direction < 0) { // reverse the order
for (uint32_t j = 0; j < cols.size(); ++ j)
for (uint32_t i = 0; i < ngroups/2; ++ i)
cols[i]->swap(i, ngroups-1-i);
should be
cols[j]->swap(i, ngroups-1-i);
With his fix reordering with two or more columns works well, whereas
with the original code I get a core dump.
Regards Luca
---
If you can not measure it, you can not improve it - Lord Kelvin
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