GitLab

* code backup

* clang format

* fix compiling errors

* clang format

* rename a few files

* rename a few files

* fix variable bugs

* clang format

* add an operator to shift input sequences

* clang format

* fixed a bug

* clang format

* fixed a bug

* clang format

* code backup

* clang format

* code backup

* clang format

* code backup

* clang format

* refine code related lstm operator optimization

* clang format

* fix various bugs

* clang format

* fixed a bug in rewrite_lstm

* clang format

* fixed another bug

* refine two operator names

* clang format

* refine file names

* fix cppcheck error

* clang format

* fix cppcheck error

* clang format

* fix cppcheck error

* fixed review comments

* clang format

* add unit tests

* clang format

* add unit tests

* clang format

* refine unit tests for better coverage

* clang format

* fixed a bug

* fix cppcheck error

* fix review comments

* clang format

* rename two operators according to review comments

* clang format

* fix review comments

* clang format

* fix review comments

* clang format

* fix review comments

* fix a cppcheck error

* clang format

* fix review comments

* clang format

* add an operator to simplify code

* clang format

* clang format

* fixed a bug and add unit tests

* clang format

* add more unit tests

* clang format

* add more unit tests

* clang format

* add more unit tests

* clang format

* refine a unit test

* clang format

* refine a unit test

* add more unit tests and refine some existing tests for the rnn operator improvements

* clang format

* additional changes to simplify code further

* clang format

* refine a test case to refine cppcheck error

* clang format

* fix cppcheck error

* clang format

* add more unit tests

* clang format
Co-authored-by: Shucai Xiao <scxiao@prj47-rack-99.local.lan>
Co-authored-by: mvermeulen <5479696+mvermeulen@users.noreply.github.com>