ShiftNode

frontend::components::binary_operations::logical_shift

Struct ShiftNode 

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pub struct ShiftNode<F: Field> {
    output: NodeRef<F>,
}
Expand description

A component that performs logical bit shift operations using crate::layouter::nodes::identity_gate::IdentityGateNode.

Both left and right shifts are supported by using negative/positive values in the shift_amount parameter.

This is a logical shift, meaning that bits which are shifted out are discarded, and zeros are filled in on the other side.

Requires that the input node has already been verified to contain binary digits.

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§output: NodeRef<F>

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impl<F: Field> ShiftNode<F>

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pub fn new( builder_ref: &mut CircuitBuilder<F>, num_vars: usize, shift_amount: i32, input: &NodeRef<F>, ) -> Self

Create a new ShiftNode that performs a shift by shift_amount (to the right if shift_amount > 0 or to the left if shift_amount < 0) on input node which contains 2^num_vars binary digits.

§Requires

input is assumed to only contain binary digits (i.e. only values from the set {F::ZERO, F::ONE} for a field F).

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pub fn get_output(&self) -> NodeRef<F>

Returns a reference to the node containing the shifted value.

Trait Implementations§

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impl<F: Clone + Field> Clone for ShiftNode<F>

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fn clone(&self) -> ShiftNode<F>

Returns a duplicate of the value. Read more
1.0.0 · Source§

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

Performs copy-assignment from source. Read more
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impl<F: Debug + Field> Debug for ShiftNode<F>

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<F> Freeze for ShiftNode<F>

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impl<F> !RefUnwindSafe for ShiftNode<F>

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impl<F> !Send for ShiftNode<F>

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impl<F> !Sync for ShiftNode<F>

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impl<F> Unpin for ShiftNode<F>
where F: Unpin,

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impl<F> !UnwindSafe for ShiftNode<F>

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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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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