41702872334
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Ran 03 Nov 2026 07:25PM UTC

Jobs 1

Files 8

Run time 1min

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Committed 03 Nov 2026 07:23PM UTC coverage: 91.31%. Remained the same

Build # 41702872334

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push

github

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web-flow

Commit Message

Use Fulqrum's sci_solver factory in the integration guide (#427)

Fulqrum PR #140 proposes addon_sqd_support, a module that builds an
sci_solver for diagonalize_fermionic_hamiltonian.  If it lands, the guide no
longer has to construct one inline: each of its two solvers collapses to a
single sci_solver_from_integrals call, and the PRIMME section becomes one
eigensolver argument rather than a second copy of the whole solver.

The code this removes is the easiest to get wrong.  Fulqrum orders a
subspace with the beta half string major, so the eigenvector needed
transposing, and fq.Subspace sorts each list of half strings, so the
unpacking depended on the CI strings arriving sorted.  Getting either wrong
leaves the energy correct while attaching amplitudes to the wrong
determinants.

Verified against the old inline solver at the guide's own problem size, same
seed: identical energy (-109.034026675594), identical amplitude shape
(808, 808), and zero difference in amplitudes and occupancies.

Raise the fulqrum extra's floor to 0.5.0, the version that would carry the
module.  That release does not exist yet.

Assisted-by: Claude Opus 5

Coverage Stats

704 of 771 relevant lines covered (91.31%)

0.91 hits per line

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ID	Job ID	Ran	Files	Coverage
1	41702872334.1	03 Nov 2026 07:25PM UTC	8	91.31	GitHub Action Run

Qiskit / qiskit-addon-sqd / 41702872334
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