Signed-off-by: Yiheng Wang [email protected]

Fixes #2768 .

Description

Except for add parameter bias, this PR also changes UpCat to support optional x_e in forward function to support encoders that have different number of feature maps .

Status

Ready

Types of changes

• Non-breaking change (fix or new feature that would not break existing functionality).
• Breaking change (fix or new feature that would cause existing functionality to change).
• New tests added to cover the changes.
• Integration tests passed locally by running ./runtests.sh -f -u --net --coverage.
• Quick tests passed locally by running ./runtests.sh --quick --unittests.
• In-line docstrings updated.
• Documentation updated, tested make html command in the docs/ folder.