GitLab

* Initial commit implementing frequency-decoupled guidance (FDG) as a guider

* Update FrequencyDecoupledGuidance docstring to describe FDG

* Update project so that it accepts any number of non-batch dims

* Change guidance_scale and other params to accept a list of params for each freq level

* Add comment with Laplacian pyramid shapes

* Add function to import_utils to check if the kornia package is available

* Only import from kornia if package is available

* Fix bug: use pred_cond/uncond in freq space rather than data space

* Allow guidance rescaling to be done in data space or frequency space (speculative)

* Add kornia install instructions to kornia import error message

* Add config to control whether operations are upcast to fp64

* Add parallel_weights recommended values to docstring

* Apply style fixes

* make fix-copies

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Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: Aryan <aryan@huggingface.co>