Connecting the dots for some built-in functions - Completed implementation of round and hyperbolic trigonometry operations - Added a few more cases in op to string functions Change-Id: Ic09d228de8e4446a66152b70edc6a6bba511288a Reviewed-on: https://swiftshader-review.googlesource.com/2891 Tested-by: Alexis Hétu <sugoi@google.com> Reviewed-by: Nicolas Capens <capn@google.com>