47e3d8dc7e
This PR implements the issignaling function as part of the libc math library, addressing the TODO items mentioned in #110011 The addition of this function is crucial for completing the implementation of remaining math macros, as referenced in #109201
libc Documentation ================== The libc documentation is written using the Sphinx documentation generator. It is currently tested with Sphinx 1.1.3. To build the documents into html configure libc with the following cmake options: * -DLLVM_ENABLE_SPHINX=ON * -DLIBC_INCLUDE_DOCS=ON After configuring libc with these options the make rule `docs-libc-html` should be available.