unprime()

SBasisId & syten::STensorImpl::SBasisId::unprime

(

int

lvl = 1

)

Decreases the prime-level in-place.

References prlvl, and SYTEN_ASSERT_MSG.

Referenced by syten::IPEPSv2::full_update_gauge_fix(), syten::Pyten::init_stensor(), and syten::T3N::T3NTensor::unprime().

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