ryankert01 opened a new pull request, #792:
URL: https://github.com/apache/mahout/pull/792
### Purpose of PR
The validation logic in `QuMat.execute_circuit` only raised an error when
**all** parameters were unbound. If a user bound only some parameters in a
multi-parameter circuit, validation passed and execution failed with
backend-specific errors.
```python
qumat.apply_rx_gate(0, "theta0")
qumat.apply_ry_gate(1, "phi1")
# Before: KeyError/NameError from backend
# After: ValueError("Circuit contains unbound parameters: ['phi1']...")
qumat.execute_circuit(parameter_values={"theta0": math.pi})
```
### Related Issues or PRs
Closes #780
### Changes Made
<!-- Please mark one with an "x" -->
- [x] Bug fix
- [ ] New feature
- [x] Refactoring
- [ ] Documentation
- [x] Test
- [ ] CI/CD pipeline
- [ ] Other
### Breaking Changes
<!-- Does this PR introduce a breaking change? -->
- [ ] Yes
- [x] No
### Checklist
<!-- Please mark each item with an "x" when complete -->
<!-- If not all items are complete, please open this as a **Draft PR**.
Once all requirements are met, mark as ready for review. -->
- [ ] Added or updated unit tests for all changes
- [ ] Added or updated documentation for all changes
- [ ] Successfully built and ran all unit tests or manual tests locally
- [ ] PR title follows "MAHOUT-XXX: Brief Description" format (if related to
an issue)
- [ ] Code follows ASF guidelines
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