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P3222R0 Fix C++26 by adding transposed special cases for P2642 layouts #7492

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Dec 17, 2024
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P3222R0 Fix C++26 by adding transposed special cases for P2642 layouts #7492

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P3222R0 Fix C++26 by adding transposed special cases for P2642 layouts
tkoeppe Dec 16, 2024
b37622d
[linalg.transp.transposed] Add missing "a.mapping()".
tkoeppe Dec 17, 2024
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27 changes: 25 additions & 2 deletions source/numerics.tex
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Original file line number Diff line number Diff line change
Expand Up @@ -13066,6 +13066,14 @@
\item
otherwise, \tcode{layout_left} if \tcode{Layout} is \tcode{layout_right};
\item
otherwise, \tcode{layout_right_padded<PaddingValue>} if \tcode{Layout} is\newline
\tcode{layout_left_padded<PaddingValue>}
for some \tcode{size_t} value \tcode{PaddingValue};
\item
otherwise, \tcode{layout_left_padded<PaddingValue>} if \tcode{Layout} is\newline
\tcode{layout_right_padded<PaddingValue>}
for some \tcode{size_t} value \tcode{PaddingValue};
\item
otherwise, \tcode{layout_stride} if \tcode{Layout} is \tcode{layout_stride};
\item
otherwise,
Expand Down Expand Up @@ -13108,11 +13116,26 @@
a.accessor())
\end{codeblock}
\item
otherwise,
\begin{codeblock}
R(a.data_handle(), ReturnMapping(@\exposid{transpose-extents}@(a.mapping().extents()),
a.mapping().stride(1)), a.accessor())
\end{codeblock}
if \tcode{Layout} is \tcode{layout_left_padded<PaddingValue>}
for some \tcode{size_t} value \tcode{PaddingValue};
\item
otherwise,
\begin{codeblock}
R(a.data_handle(), ReturnMapping(@\exposid{transpose-extents}@(a.mapping().extents()),
a.mapping().stride(0)), a.accessor())
\end{codeblock}
if \tcode{Layout} is \tcode{layout_right_padded<PaddingValue>}
for some \tcode{size_t} value \tcode{PaddingValue};
\item
otherwise, if \tcode{Layout} is \tcode{layout_stride},
\begin{codeblock}
R(a.data_handle(), ReturnMapping(@\exposid{transpose-extents}@(a.mapping().extents()),
array{a.mapping().stride(1), a.mapping().stride(0)}),
a.accessor())
array{a.mapping().stride(1), a.mapping().stride(0)}), a.accessor())
\end{codeblock}
\item
otherwise, if \tcode{Layout} is a specialization of \tcode{layout_transpose},
Expand Down
2 changes: 1 addition & 1 deletion source/support.tex
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Expand Up @@ -710,7 +710,7 @@
#define @\defnlibxname{cpp_lib_jthread}@ 201911L // also in \libheader{stop_token}, \libheader{thread}
#define @\defnlibxname{cpp_lib_latch}@ 201907L // also in \libheader{latch}
#define @\defnlibxname{cpp_lib_launder}@ 201606L // freestanding, also in \libheader{new}
#define @\defnlibxname{cpp_lib_linalg}@ 202311L // also in \libheader{linalg}
#define @\defnlibxname{cpp_lib_linalg}@ 202411L // also in \libheader{linalg}
#define @\defnlibxname{cpp_lib_list_remove_return_type}@ 201806L // also in \libheader{forward_list}, \libheader{list}
#define @\defnlibxname{cpp_lib_logical_traits}@ 201510L // freestanding, also in \libheader{type_traits}
#define @\defnlibxname{cpp_lib_make_from_tuple}@ 201606L // freestanding, also in \libheader{tuple}
Expand Down
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