pub fn recast_packed<P, FSub1, FSub2>(
elem: PackedSubfield<P, FSub1>,
) -> PackedSubfield<P, FSub2>where
P: PackedField + PackedExtension<FSub1> + PackedExtension<FSub2>,
P::Scalar: ExtensionField<FSub1> + ExtensionField<FSub2>,
FSub1: Field,
FSub2: Field,
Expand description
Recast a packed field from one subfield of a packed extension to another.