full_update_cost_function()

SRDef syten::IPEPSv2::full_update_cost_function	(	SDef const &	ideal_ideal,
		STensor const &	r_tensor,
		STensor const &	s_tensor,
		STensor const &	als_tensor,
		SBasisId	external_basis,
		SBasisId	central_basis
	)

Internal helper calculating the cost of the full update given the squared norm of the ideal state, the norm tensor with two copies of the not-als reduced tensor, the norm tensor with the ideal tensor and one copy of the not-als reduced tensor, the als reduced tensor and the external and central basis of the als reduced tensor.

References syten::abs(), syten::conj(), and syten::sqrt().

Referenced by full_update_apply_gate().

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