Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

…ructible types (#6247) (#6248)

Only synthesize the copy / move constructor when we have an engaged state and do not rely on the default constructor for that

(cherry picked from commit 8e61203)

Co-authored-by: Michael Schellenberger Costa <miscco@nvidia.com>

We were using the wrong check, so that we would check for a specialization of `::cuda::std::iterator_traits` instead of `::std::iterator_traits`

Fixes #6238

(cherry picked from commit 813e75e)

Co-authored-by: Michael Schellenberger Costa <miscco@nvidia.com>

I dont know how this ever compiled, but there were some issues when I implemented #4377

The first issue was that `enable_meow_reduction_sm90_v`

Should take `iter_value_t<Input>` and not `Input`

The second issue is that we only want to apply ternary optimization when length is greater than 6

Fixes nvbug5550347

…) (#6273)

If a user compiles with `-funsigned-char` this will break.

Rather use the explicit `signed char`

Fixes #6256

(cherry picked from commit 3429b60)

Co-authored-by: Michael Schellenberger Costa <miscco@nvidia.com>

Fixes #6260

…6272)

* Fix missed constructor with compressed box (#6268)

* Fix missed constructor with compressed box

Fixes #6258

* Fix compiler issues

(cherry picked from commit 8012139)

* Avoid segfault in internal test

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Co-authored-by: Michael Schellenberger Costa <miscco@nvidia.com>

…) (#6339)

(cherry picked from commit 0004326)