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Fix spurious 0 complex part in Pauli evolution #13643

Merged
merged 1 commit into from
Jan 10, 2025
Merged

Fix spurious 0 complex part in Pauli evolution #13643

merged 1 commit into from
Jan 10, 2025

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Cryoris
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@Cryoris Cryoris commented Jan 9, 2025

Summary

Fixes #13642.

Details and comments

This boils down to the fact that, x * (1+0j) = 1.0*x + 0.0*I but pre-1.3 we only multiplied by 1.

@Cryoris @ElePT
fix the 0 complex part
87f79f0 
Co-authored-by: Elena Peña Tapia <epenatap@gmail.com>
@Cryoris Cryoris added the Changelog: Bugfix Include in the "Fixed" section of the changelog label Jan 9, 2025
@Cryoris Cryoris added this to the 1.3.2 milestone Jan 9, 2025
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One or more of the following people are relevant to this code:

  • @Cryoris
  • @Qiskit/terra-core
  • @ajavadia

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Pull Request Test Coverage Report for Build 12693375478

Details

  • 8 of 10 (80.0%) changed or added relevant lines in 1 file are covered.
  • 13 unchanged lines in 6 files lost coverage.
  • Overall coverage decreased (-0.008%) to 88.925%
Changes Missing Coverage Covered Lines Changed/Added Lines %
qiskit/synthesis/evolution/suzuki_trotter.py 8 10 80.0%
Files with Coverage Reduction New Missed Lines %
crates/circuit/src/converters.rs 1 95.65%
crates/accelerate/src/sabre/heuristic.rs 1 32.87%
crates/accelerate/src/basis/basis_translator/mod.rs 1 87.44%
crates/accelerate/src/sabre/mod.rs 2 75.44%
crates/qasm2/src/lex.rs 3 92.98%
qiskit/synthesis/evolution/product_formula.py 5 89.58%
Totals Coverage Status
Change from base Build 12687984222: -0.008%
Covered Lines: 79434
Relevant Lines: 89327
💛 - Coveralls

@ElePT ElePT added the stable backport potential The bug might be minimal and/or import enough to be port to stable label Jan 10, 2025
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ElePT approved these changes Jan 10, 2025
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LGTM

@ElePT ElePT added this pull request to the merge queue Jan 10, 2025
Merged via the queue into Qiskit:main with commit 2476188 Jan 10, 2025
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mergify bot pushed a commit that referenced this pull request Jan 10, 2025
@Cryoris @mergify
fix the 0 complex part (#13643)
967ad6a 
Co-authored-by: Elena Peña Tapia <epenatap@gmail.com>
(cherry picked from commit 2476188)
@mergify mergify bot mentioned this pull request Jan 10, 2025
Merged
github-merge-queue bot pushed a commit that referenced this pull request Jan 10, 2025
@mergify @Cryoris
fix the 0 complex part (#13643) (#13646)
bc3c7ed 
Co-authored-by: Elena Peña Tapia <epenatap@gmail.com>
(cherry picked from commit 2476188)

Co-authored-by: Julien Gacon <jules.gacon@googlemail.com>
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@ElePT ElePT ElePT approved these changes

@alexanderivrii alexanderivrii Awaiting requested review from alexanderivrii alexanderivrii is a code owner

@ShellyGarion ShellyGarion Awaiting requested review from ShellyGarion ShellyGarion is a code owner

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Changelog: Bugfix Include in the "Fixed" section of the changelog stable backport potential The bug might be minimal and/or import enough to be port to stable
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Successfully merging this pull request may close these issues.

PauliEvolutionGate introduces sneaky complex part in parameter expression coefficients
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