From a94d64f233448f4512aa4e58208c7f1fd581dabd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20K=C3=B6ppe?= <tkoeppe@google.com>
Date: Mon, 16 Dec 2024 23:43:55 +0000
Subject: [PATCH] P3222R0 Fix C++26 by adding transposed special cases for
 P2642 layouts

---
 source/numerics.tex | 22 ++++++++++++++++++++++
 source/support.tex  |  2 +-
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/source/numerics.tex b/source/numerics.tex
index f07eeb83de..46c3b7d7d5 100644
--- a/source/numerics.tex
+++ b/source/numerics.tex
@@ -13066,6 +13066,12 @@
 \item
 otherwise, \tcode{layout_left} if \tcode{Layout} is \tcode{layout_right};
 \item
+otherwise, \tcode{layout_right_padded<PaddingValue>} if \tcode{Layout} is \tcode{layout_left_padded<PaddingValue>}
+for some \tcode{size_t} value \tcode{PaddingValue};
+\item
+otherwise, \tcode{layout_left_padded<PaddingValue>} if \tcode{Layout} is \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,
@@ -13108,6 +13114,22 @@
   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.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()),
diff --git a/source/support.tex b/source/support.tex
index a25911d9d2..74e41e6be1 100644
--- a/source/support.tex
+++ b/source/support.tex
@@ -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}