[C++26][ライブラリ] simdライブラリ

[faithandbrave]

• P1928R15 std::simd — merge data-parallel types from the Parallelism TS 2

書き忘れてました

[faithandbrave]

• P3441R2 Rename simd_split to simd_chunk
• P3287R3 Exploration of namespaces for std::simd
• P3430R3 SIMD issues: explicit, unsequenced, identity-element position, and members of disabled SIMD
• P2663R7 Interleaved complex values support in std::simd
• P2933R4 Extend <bit> header function with overloads for std::simd

[faithandbrave]

• P2876R3 Proposal to extend std::simd with more constructors and accessors
• P3480R6 std::simd is a range
• P2664R11 Extend std::simd with permutation API
• P3691R1 Reconsider naming of the namespace for “std::simd”