Added some more basic linear algebra unit tests for VectorT.

6 jobs for cpp11
Status Name Job ID Coverage
  Test
passed clang-c++11 #150
Linux

00:12:23

passed clang-c++98 #152
Linux

00:09:07

passed gcc-c++11 #149
Linux

00:18:51

passed gcc-c++98 #151
Linux

00:11:11

passed macos-c++11 #153
Apple

00:05:46

passed macos-c++98 #154
Apple

00:05:07