Module packed

Traits for packed field elements which support SIMD implementations.

Interfaces are derived from plonky2.

Structs

PackedSlice

A slice of packed field elements as a collection of scalars.

PackedSliceMut

A mutable slice of packed field elements as a collection of scalars.

Traits

PackedBinaryField

A helper trait to make the generic bunds shorter

PackedField

A packed field represents a vector of underlying field elements.

Functions

copy_packed_from_scalars_slice

Copy scalar elements to a vector of packed field elements.

get_packed_slice

get_packed_slice_checked

get_packed_slice_unchecked^⚠

Returns the scalar at the given index without bounds checking.

iter_packed_slice_with_offset

Iterate over scalar values in a packed field slice.

len_packed_slice

mul_by_subfield_scalar

Multiply packed field element by a subfield scalar.

pack_slice

Pack a slice of scalars into a vector of packed field elements.

packed_from_fn_with_offset

Construct a packed field element from a function that returns scalar values by index with the given offset in packed elements. E.g. if offset is 2, and WIDTH is 4, f(9) will be used to set the scalar at index 1 in the packed element.

set_packed_slice

set_packed_slice_checked

set_packed_slice_unchecked^⚠

Sets the scalar at the given index without bounds checking.