microsoft/qdk
Publicmirrored fromhttps://github.com/microsoft/qdkAvailable
katas/content/grovers_search/reflection_about_state/Solution.qs
23lines · modecode
| 1 | namespace Kata { |
| 2 | open Microsoft.Quantum.Math; |
| 3 | |
| 4 | operation ReflectionAboutState( |
| 5 | qs : Qubit[], |
| 6 | statePrep : Qubit[] => Unit is Adj + Ctl) |
| 7 | : Unit is Adj + Ctl { |
| 8 | within { |
| 9 | Adjoint statePrep(qs); |
| 10 | } apply { |
| 11 | ConditionalPhaseFlip(qs); |
| 12 | } |
| 13 | } |
| 14 | |
| 15 | operation ConditionalPhaseFlip(qs : Qubit[]) : Unit is Adj + Ctl { |
| 16 | within { |
| 17 | ApplyToEachA(X, qs); |
| 18 | } apply { |
| 19 | Controlled Z(qs[1 ...], qs[0]); |
| 20 | } |
| 21 | R(PauliI, 2.0 * PI(), qs[0]); |
| 22 | } |
| 23 | } |
| 24 | |