P3371R5 Fix C++26 by making the rank-1, rank-2, rank-k, and rank-2k updates consistent with the BLAS#8550

tkoeppe merged 1 commit intocplusplus:maincplusplus/draft:mainfrom

eisenwave:motions-2025-11-lwg-20eisenwave/draft:motions-2025-11-lwg-20Copy head branch name to clipboard