norm() [3/3]

SRDef syten::MPS::norm

(

State const &

a

)

Returns the norm of a state, i.e. \(\sqrt{\langle a | a \rangle }\).

Returns

the norm of the state, a real number.

References syten::abs(), normSqd(), syten::sqrt(), SYTEN_ASSERT_MSG, SYTEN_SMALL_THRESHOLD, and syten::underThreshold().

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