3296 adds a flag for invertible on/off, and decouples transform stack API

[wyli]

Signed-off-by: Wenqi Li wenqil@nvidia.com

Fixes #3296

Description

• adds a flag so that we can completely turn off the transform stack
• decouples the APIs for maintaining the transform stack

Status

Ready/Work in progress/Hold

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.

[ericspod]

This looks like a good change but @rijobro should certainly look over it.

[wyli]

This looks like a good change but @rijobro should certainly look over it.

He is on annual leave, could you please help review @Nic-Ma @ericspod? I'm revising this for the upcoming release in November.

[wyli]

/build

[rijobro]

Looks great, thanks for implementing this!