| Line | Branch | Decision | Exec | Source |
|---|---|---|---|---|
| 1 | // Copyright 2019-2022 Cambridge Quantum Computing | |||
| 2 | // | |||
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); | |||
| 4 | // you may not use this file except in compliance with the License. | |||
| 5 | // You may obtain a copy of the License at | |||
| 6 | // | |||
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 | |||
| 8 | // | |||
| 9 | // Unless required by applicable law or agreed to in writing, software | |||
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, | |||
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |||
| 12 | // See the License for the specific language governing permissions and | |||
| 13 | // limitations under the License. | |||
| 14 | ||||
| 15 | #pragma once | |||
| 16 | ||||
| 17 | #include "Mapping/MappingFrontier.hpp" | |||
| 18 | #include "Utils/Json.hpp" | |||
| 19 | ||||
| 20 | namespace tket { | |||
| 21 | ||||
| 22 | class RoutingMethod { | |||
| 23 | public: | |||
| 24 | ✗ | RoutingMethod(){}; | ||
| 25 | ✗ | virtual ~RoutingMethod() {} | ||
| 26 | ||||
| 27 | /** | |||
| 28 | * routing_method modifies circuit held in mapping_frontier with gates for the | |||
| 29 | * purpose of moving circuit closer to one physically permitted by given | |||
| 30 | * architecture. Returns a pair with a bool returning whether any modification | |||
| 31 | * was made and a new initial mapping of qubits in case permutation via swap | |||
| 32 | * network is then required, or new ancilla qubits are added. This is | |||
| 33 | * completed by converting boundary subcircuit in mapping frontier to a | |||
| 34 | * Circuit object which is then passed to route_subcircuit_ as defined in the | |||
| 35 | * constructor. | |||
| 36 | * | |||
| 37 | * Overloaded parameter mapping_frontier contains boundary of routed/unrouted | |||
| 38 | * circuit for modifying. | |||
| 39 | * Overloaded parameter architecture provides physical constraints | |||
| 40 | * | |||
| 41 | * @return Whether circuit is modified and Logical to Physical mapping at | |||
| 42 | * boundary due to modification. | |||
| 43 | * | |||
| 44 | */ | |||
| 45 | ✗ | virtual std::pair<bool, unit_map_t> routing_method( | ||
| 46 | MappingFrontier_ptr& /*mapping_frontier*/, | |||
| 47 | const ArchitecturePtr& /*architecture*/) const { | |||
| 48 | ✗ | return {false, {}}; | ||
| 49 | } | |||
| 50 | ||||
| 51 | ✗ | virtual nlohmann::json serialize() const { | ||
| 52 | ✗ | nlohmann::json j; | ||
| 53 | ✗ | j["name"] = "RoutingMethod"; | ||
| 54 | ✗ | return j; | ||
| 55 | } | |||
| 56 | }; | |||
| 57 | ||||
| 58 | typedef std::shared_ptr<const RoutingMethod> RoutingMethodPtr; | |||
| 59 | ||||
| 60 | } // namespace tket | |||
| 61 |