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I found an interesting poll in the revision history of P0009:
There seems to be consensus in LEWG for allowing static-extent span indexing... except that change seems lost and never implemented in …
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[P2599R2](https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2022/p2599r2.pdf)
Should be combined with and applied after [2022-07 LWG Motion 2] P0009R18 MDSPAN, #5589
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[P2604R0](https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2022/p2604r0.html)
2022-07 LWG Motions 3-5 are based on the MDSPAN support introduced in P0009R18 #5589.
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There have been some changes to mdspan and mdarray recently which have addressed some of the initial issues we've been had integrating them into RAFT.
1. The `mdspan` now accepts an explicit index…
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Sean Baxter is doing some wicked, wicked work on generics and meta programming with his Circle C++ compiler and it works and compiles C++, it just adds a lot of nice features. I would highly recommen…
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[P2613R1](https://wg21.link/p2613r1)
2022-07 LWG Motions 3-5 are based on the MDSPAN support introduced in P0009R18 https://github.com/cplusplus/draft/issues/5589.
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The upstream version of `mdspan` from https://github.com/rapidsai/raft/pull/437 uses `size_t` for indexing the memory buffer. While `size_t` is a good choice for many cases as it can prevent integer …
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Hi, in Section 2.7 of the proposal, I see one of the design goal of custom accessors is to apply `restrict` (non-aliasing hint) to memory accesses (if a C++ implementation supports it). But I have not…
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This fails:
```c++
static_assert(stdex::extents::static_extent(0)==stdex::dynamic_extent);
```
This passes (so the return type of `static_extent` is correct):
```c++
static_assert(std::is_…
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for example, gemm can accept three different types for its three matrices, but the way we are testing now, we only test with the same matrix type (i think).
a similar issue is that we only test for…