microsoft/qdk
Publicmirrored fromhttps://github.com/microsoft/qdkAvailable
katas/content/deutsch_algo/examples/OracleImplementationDemo.qs
35lines · modecode
| 1 | namespace Kata { |
| 2 | import Std.Diagnostics.*; |
| 3 | import Std.Math.*; |
| 4 | |
| 5 | operation PhaseOracle_Zero(x : Qubit) : Unit { |
| 6 | // Do nothing... |
| 7 | } |
| 8 | |
| 9 | operation PhaseOracle_One(x : Qubit) : Unit { |
| 10 | // Apply a global phase of -1 |
| 11 | R(PauliI, 2.0 * PI(), x); |
| 12 | } |
| 13 | |
| 14 | operation PhaseOracle_X(x : Qubit) : Unit { |
| 15 | Z(x); |
| 16 | } |
| 17 | |
| 18 | @EntryPoint() |
| 19 | operation OracleImplementationDemo() : Unit { |
| 20 | use q = Qubit(); |
| 21 | Ry(2.0 * ArcCos(0.6), q); |
| 22 | Message("The qubit state before oracle application is 0.6|0⟩ + 0.8|1⟩:"); |
| 23 | DumpMachine(); |
| 24 | |
| 25 | // Apply the oracle. |
| 26 | // Experiment with using other oracles to see their behavior! |
| 27 | // (Note that the -1 global phase might not show up in simulation) |
| 28 | PhaseOracle_X(q); |
| 29 | |
| 30 | Message("The qubit state after oracle application:"); |
| 31 | DumpMachine(); |
| 32 | |
| 33 | Reset(q); |
| 34 | } |
| 35 | } |
| 36 | |