overlap()

SDef syten::BTT::overlap	(	State const &	b,
		State const &	a
	)

Returns the overlap \( \langle a | b \rangle \) between two states.

Parameters

a	the first state, to be complex-conjugated
b	the second state, not complex conjugated

Returns

the overlap \( \langle a | b \rangle \)

References overlap_rec(), syten::BTT::State::pleaseCache, syten::BinaryTree::Tree< T >::r, and syten::trace().

Referenced by syten::BTT::State::load(), and normSqd().

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