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MatrixVectorKron::matrixVectorProduct deltas printed
coutAnalysis.pl prints accumulated deltas at the end

Say truncationNoSvd to use density matrix algorithm
instead of SVD for truncation part.
When using SU(2), truncation algorithm will NOT use
SVD and print a warning unless truncationNoSvd is given

wftInPatches is the default for onesitedmrg, and
wftInBlocks for twositedmrg.
Moreover, you may disable WFT acceleration with wftNoAccel