tree 568f95d2ee550771f104f33a0da9f18929e07c37
parent c1ff430d6dc7338e3a7c6d5076e453156ccddc3a
author Yingyi Bu <yingyi@couchbase.com> 1471532522 -0700
committer Yingyi Bu <buyingyi@gmail.com> 1471569050 -0700

Add several unary numeric builtin functions.

- newly added functions include: acos, asin, atan, cos, exp, ln,
  log, sign, sin, sqrt and tan;
- refactor and simplify numeric function implementations.

Change-Id: Ic7f945450f3cf8da543b2d68c29ef6eb0f4699d7
Reviewed-on: https://asterix-gerrit.ics.uci.edu/1086
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Till Westmann <tillw@apache.org>