ufv_frame_reverse

t3toolbox.backend.ufv_operations.ufv_frame_reverse(data)

def ufv_frame_reverse(data):  # UT3Frame .data -> reversed UT3Frame .data

Reverse the mode order of a UT3Frame .data. The left/right supercores and their masks swap roles (reversing a left-orthogonal chain yields a right-orthogonal one) and reverse; up/down reverse (down with a bond swap, via tt_operations.tt_reverse()). The redundant L/R store makes this exact – no re-orthogonalization. Inverse of itself.