normSqd() [3/3]

SRDef syten::MPS::normSqd

(

State const &

a

)

Returns the squared norm of a state, i.e. $\langle a | a \rangle$.

Returns

the squared norm of the state, a real number.

References syten::abs(), syten::imag(), overlap(), syten::real(), SYTEN_ASSERT_MSG, and SYTEN_ZNORM_THRESHOLD.

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