[libc] [llvm] [libc][math] Refactor cos implementation to header-only in src/__support/math folder. (PR #151883)

[via llvm-commits]

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@@ -357,6 +357,24 @@ add_header_library(
     libc.src.__support.macros.optimization
 )
 
+add_header_library(
+  cos
+  HDRS
+    cos.h
+  DEPENDS
+    libc.src.__support.math.sincos_eval
+    libc.hdr.errno_macros
+    libc.src.errno.errno
+    libc.src.__support.FPUtil.double_double
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lntue wrote:

nit: reorder dependency list.

https://github.com/llvm/llvm-project/pull/151883