sqrt: Split function generation to a shared inc file.

This will be reused by other unary functions.
Reviewer: Aaron Watry
Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>

git-svn-id: https://llvm.org/svn/llvm-project/libclc/trunk@356012 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed