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IQPFeatureMap

cqlib_core::circuit::ansatz::feature_map

Struct IQPFeatureMap 

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pub struct IQPFeatureMap { /* private fields */ }
Expand description

IQP-style diagonal feature map.

This is an explicit named wrapper over the same diagonal ZZ feature-map structure used by ZZFeatureMap: each repetition applies a Hadamard layer, first-order Z rotations, and second-order ZZ interactions according to the selected entanglement topology.

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impl IQPFeatureMap

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pub fn new(num_qubits: usize) -> Self

Creates a new IQPFeatureMap with reps = 2 and full entanglement.

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pub fn reps(self, reps: usize) -> Self

Sets the number of repetition layers.

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pub fn entanglement(self, topology: EntanglementTopology) -> Self

Sets the entanglement topology for two-qubit diagonal interactions.

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impl Ansatz for IQPFeatureMap

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fn validate(&self) -> Result<(), CircuitError>

Validates the ansatz configuration without building the circuit. Read more
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fn build_circuit(&self, prefix: &str) -> Result<Circuit, CircuitError>

Builds the ansatz circuit and returns it. Read more
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fn num_parameters(&self) -> usize

Returns the number of independent parameters required by this ansatz. Read more
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fn num_qubits(&self) -> usize

Returns the number of qubits this ansatz acts upon. Read more
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impl Clone for IQPFeatureMap

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for IQPFeatureMap

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl<T> Any for T
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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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fn fmt_binary(self) -> FmtBinary<Self>
where Self: Binary,

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where Self: LowerHex,

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where Self: Octal,

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fn fmt_upper_exp(self) -> FmtUpperExp<Self>
where Self: UpperExp,

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fn fmt_upper_hex(self) -> FmtUpperHex<Self>
where Self: UpperHex,

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fn fmt_list(self) -> FmtList<Self>
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Calls U::from(self).

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Calls .tap_ref() only in debug builds, and is erased in release builds.
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fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

Calls .tap_ref_mut() only in debug builds, and is erased in release builds.
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fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self
where Self: Deref<Target = T>, T: ?Sized,

Calls .tap_deref() only in debug builds, and is erased in release builds.
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fn tap_deref_mut_dbg<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

Calls .tap_deref_mut() only in debug builds, and is erased in release builds.
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Performs the conversion.
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Performs the conversion.
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fn vzip(self) -> V