[libc] Move implementations of cosf, sinf, sincosf to src/math direct…

…ory. NFC intended in the implementaton. Only mechanical changes to fit the LLVM libc implementation standard have been done. Math testing infrastructure has been added. This infrastructure compares the results produced by the libc with the high precision results from MPFR. Tests making use of this infrastructure have been added for cosf, sinf and sincosf. Reviewers: abrachet, phosek Differential Revision: https://reviews.llvm.org/D76825
dabrahams · Apr 16, 2020 · 5fedf7f · 5fedf7f
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diff --git a/libc/AOR_v20.02/math/cosf.c b/libc/AOR_v20.02/math/cosf.c
diff --git a/libc/AOR_v20.02/math/sincosf.c b/libc/AOR_v20.02/math/sincosf.c
diff --git a/libc/AOR_v20.02/math/sincosf.h b/libc/AOR_v20.02/math/sincosf.h
diff --git a/libc/AOR_v20.02/math/sincosf_data.c b/libc/AOR_v20.02/math/sincosf_data.c