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Fix doctest q fourier transform.py #9943 #10624

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Merged
cclauss merged 5 commits into from
Sep 13, 2026
Merged

Fix doctest q fourier transform.py #9943 #10624

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108776f
Fixed failed examples
Jaivignesh-afk Oct 16, 2023
e9918a4
Added testmod function
Jaivignesh-afk Oct 16, 2023
4e76e5d
Revert pre-commit changes
cclauss Sep 13, 2026
4bc28d6
Merge branch 'master' into fix-doctest-q_fourier_transform.py
cclauss Sep 13, 2026
00b5869
Add print statements for quantum Fourier transform output
cclauss Sep 13, 2026
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30 changes: 25 additions & 5 deletions quantum/q_fourier_transform.py
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Original file line number Diff line number Diff line change
Expand Up @@ -67,7 +67,26 @@ def quantum_fourier_transform(number_of_qubits: int = 3) -> qiskit.result.counts
>>> quantum_fourier_transform(0.5)
Traceback (most recent call last):
...
ValueError: number of qubits must be exact integer.
ValueError: number of qubits must be an exact integer.

>>> result = quantum_fourier_transform(2)
>>> 2350<=result['10']<=2600
True
>>> 2350<=result['00']<=2600
True
>>> 2350<=result['11']<=2600
True
>>> 2350<=result['01']<=2600
True
>>> res = quantum_fourier_transform(3)
>>> 1150<=res['000']<=1350 and 1150<=res['001']<=1350
True
>>> 1150<=res['010']<=1350 and 1150<=res['100']<=1350
True
>>> 1150<=res['101']<=1350 and 1150<=res['110']<=1350
True
>>> 1150<=res['011']<=1350 and 1150<=res['111']<=1350
True
"""
if isinstance(number_of_qubits, str):
raise TypeError("number of qubits must be a integer.")
Expand Down Expand Up @@ -107,7 +126,8 @@ def quantum_fourier_transform(number_of_qubits: int = 3) -> qiskit.result.counts


if __name__ == "__main__":
print(
f"Total count for quantum fourier transform state is: \
{quantum_fourier_transform(3)}"
)
Comment on lines -110 to -113

@cclauss cclauss Oct 17, 2023

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Why remove this?

@Jaivignesh-afk Jaivignesh-afk Oct 17, 2023 •
edited
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i got error relating to more no of lines in the pre-commit.So i checked with other algorithms there were no print statements..So,but i can change it back
I think, qiskit module is not yet available for Python 3.12 +
maybe that is the reason?

import doctest

doctest.testmod()
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print("Total count for quantum Fourier transform state is:")
print(f"{quantum_fourier_transform(3) = }")
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