Add C API for SparseObservable #13445
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There's a decent amount of comment in #13391 about how this could/should be done to make the clean Rust/Python split, and the C FFI would follow on from that. |
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Building off the infrastructure for the sparse observable added in PR Qiskit#13445 this commit adds a C API for building QuantumCircuits.
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Building off the infrastructure for the sparse observable added in PR Qiskit#13445 this commit adds a C API for building QuantumCircuits.
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Building off the infrastructure for the sparse observable added in PR Qiskit#13445 this commit adds a C FFI for building Quantum Circuits. Right now there is a function to create an empty circuit with n qubits and m clbits and then a function to add standard gates to a circuit and then also get the op counts out of a circuit. This is a start of the functionality for a C API around interacting with circuits, later PRs will expand this so we can have a more fully featured C API in the future. Part of Qiskit#13276
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mtreinish
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Mar 12, 2025
Building off the infrastructure for the sparse observable added in PR Qiskit#13445 this commit adds a C FFI for building Quantum Circuits. Right now there is a function to create an empty circuit with n qubits and m clbits and then a function to add standard gates to a circuit and then also get the op counts out of a circuit. This is a start of the functionality for a C API around interacting with circuits, later PRs will expand this so we can have a more fully featured C API in the future. Part of Qiskit#13276
mtreinish
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Mar 12, 2025
Building off the infrastructure for the sparse observable added in PR Qiskit#13445 this commit adds a C FFI for building Quantum Circuits. Right now there is a function to create an empty circuit with n qubits and m clbits and then a function to add standard gates to a circuit and then also get the op counts out of a circuit. This is a start of the functionality for a C API around interacting with circuits, later PRs will expand this so we can have a more fully featured C API in the future. Part of Qiskit#13276
mtreinish
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Mar 15, 2025
Building off the infrastructure for the sparse observable added in PR Qiskit#13445 this commit adds a C FFI for building Quantum Circuits. Right now there is a function to create an empty circuit with n qubits and m clbits and then a function to add standard gates to a circuit and then also get the op counts out of a circuit. This is a start of the functionality for a C API around interacting with circuits, later PRs will expand this so we can have a more fully featured C API in the future. Part of Qiskit#13276
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What should we add?
The recently added
SparseObservableclass was added as a Rust native object in #12671 . To facilitate different use cases for generating and interacting with this new structure from compiled languages including other Python libraries' compiled extensions we should add a lower level C API around the structure. This will likely involve splitting the currentSparseObservablestructure into a pure rust struct and a wrapping python interface struct. Then we can add a new C FFI wrapper for it, likely should be put in a new cratec_extcrate or something like that to define the C API to qiskit. This sparse observable interface will likely be a good way to PoC the packaging and structure for other C API's that have a longer on-ramp, mainly: #13276.The text was updated successfully, but these errors were encountered: