| 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 <exception> | |||
| 18 | #include <stdexcept> | |||
| 19 | #include <string> | |||
| 20 | #include <vector> | |||
| 21 | ||||
| 22 | namespace tket { | |||
| 23 | ||||
| 24 | namespace zx { | |||
| 25 | ||||
| 26 | /** | |||
| 27 | * Error messages | |||
| 28 | **/ | |||
| 29 | class ZXError : public std::logic_error { | |||
| 30 | public: | |||
| 31 | 28 | explicit ZXError(const std::string& message) : std::logic_error(message) {} | ||
| 32 | }; | |||
| 33 | ||||
| 34 | /** | |||
| 35 | * Type for an edge in a ZX diagram. | |||
| 36 | * `Basic`: normal (identity) edge | |||
| 37 | * `H`: Hamadard edge; | |||
| 38 | **/ | |||
| 39 | enum class ZXWireType { Basic, H }; | |||
| 40 | ||||
| 41 | /** | |||
| 42 | * Provides distinction between classical and quantum diagrams, | |||
| 43 | * wires, and operators, relating to the doubling construction for CP-maps. | |||
| 44 | **/ | |||
| 45 | enum class QuantumType { Quantum, Classical }; | |||
| 46 | ||||
| 47 | /** | |||
| 48 | * Ports are used for non-commutative generators, such as | |||
| 49 | * directed generators, to distinguish the incident wires. | |||
| 50 | * When needed, ports on the source and target vertex are stored | |||
| 51 | * in the wire properties. | |||
| 52 | * Since the graphs are semantically undirected, it is not given | |||
| 53 | * whether a vertex is a source or target of each incident edge at | |||
| 54 | * compile time, so WireEnd variables express which it is at runtime. | |||
| 55 | **/ | |||
| 56 | enum class WireEnd { Source, Target }; | |||
| 57 | ||||
| 58 | } // namespace zx | |||
| 59 | ||||
| 60 | } // namespace tket | |||
| 61 |