trunk/14780aaa3ad92d063f64fde1a0e017239164e97b: Move c10/util math helper headers into torch/headeronly (#194673)

发生了什么

Summary Move MathConstants.h , copysign.h , Load.h , BFloat16-math.h , and irange.h from c10/util into torch/headeronly/util under torch::headeronly . Leave the old c10/util paths as one-line forwarding includes, matching Half.h / BFloat16.h . Register the new symbols in torch/header_only_apis.txt and add header-only aoti_abi_check tests ( copysign , irange , load , MathConstants , plus is_reduced_floating_point cov…

摘要按规则整理自下方来源原文

来源