microsoft/qdk
Publicmirrored fromhttps://github.com/microsoft/qdkAvailable
samples/testing/operations/src/BellState.qs
35lines · modecode
| 1 | // Copyright (c) Microsoft Corporation. All rights reserved. |
| 2 | // Licensed under the MIT License. |
| 3 | |
| 4 | namespace BellState { |
| 5 | /// # Summary |
| 6 | /// Operation that generates all bell states for testing with `dump_operation.py`. |
| 7 | /// |
| 8 | /// # Input |
| 9 | /// ## qs |
| 10 | /// Input qubit register |
| 11 | /// |
| 12 | /// ## choice |
| 13 | /// Bell state to construct. |
| 14 | /// 0: |Φ+〉(PhiPlus) |
| 15 | /// 1: |Φ-〉(PhiMinus) |
| 16 | /// 2: |Ψ+〉(PsiPlus) |
| 17 | /// 3: |Ψ-〉(PsiMinus) |
| 18 | |
| 19 | operation AllBellStates(qs : Qubit[], choice : Int) : Unit is Ctl + Adj { |
| 20 | open Microsoft.Quantum.Convert; |
| 21 | |
| 22 | H(qs[0]); |
| 23 | CNOT(qs[0], qs[1]); |
| 24 | |
| 25 | let bitmask = IntAsBoolArray(choice, 2); |
| 26 | if bitmask[1] { |
| 27 | X(qs[1]); |
| 28 | } |
| 29 | |
| 30 | if bitmask[0] { |
| 31 | Z(qs[0]); |
| 32 | } |
| 33 | |
| 34 | } |
| 35 | } |
| 36 | |