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Simplify the range reduction steps by choosing the reduction constants carefully so that the reduced arguments v = r*m_x - 1 and v^2 are exact in double precision, even without FMA instructions, and -2^-8 <= v < 2^-7. This allows the polynomial evaluations to be parallelized more efficiently. Reviewed By: zimmermann6 Differential Revision: https://reviews.llvm.org/D147676
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.