Update dsp.py

[cj-vana]

PR Type

Enhancement

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Description

• Remove redundant inplace=False parameter from FFTW calls

• Simplify FFT plan creation for both forward and backward directions

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Diagram Walkthrough

flowchart LR
  A["FFTW Plan Creation"] --> B["Remove inplace=False"] --> C["Simplified Parameters"]

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File Walkthrough

	Relevant files
Enhancement	dsp.py Simplify FFTW plan parameter specification                              agents/capture-agent-py/capture_agent/dsp.py Remove inplace=False parameter from forward FFTW plan creation Remove inplace=False parameter from backward FFTW plan creation +2/-2

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[qodo-code-review]

PR Reviewer Guide 🔍

Here are some key observations to aid the review process:

⏱️ Estimated effort to review: 2 🔵🔵⚪⚪⚪

🧪 No relevant tests

🔒 No security concerns identified

⚡ Recommended focus areas for review API Assumption Dropping the 'inplace' argument assumes the default behavior of pyFFTW remains out-of-place given separate input/output arrays. Verify pyFFTW version semantics to ensure no behavior change or deprecation warnings at runtime. plan = pyfftw.FFTW(in_arr, out_arr, direction='FFTW_FORWARD', flags=('FFTW_MEASURE',)) else: in_arr = pyfftw.empty_aligned(n // 2 + 1, dtype=np.complex128) out_arr = pyfftw.empty_aligned(n, dtype=dtype) plan = pyfftw.FFTW(in_arr, out_arr, direction='FFTW_BACKWARD', flags=('FFTW_MEASURE',)) Plan Key Consistency Plan cache key likely depends on parameters; confirm that removing 'inplace' does not require updating the cache key to avoid mixing incompatible plans across environments or versions. if plan_key not in _fft_plans: if len(_fft_plans) >= MAX_FFT_PLANS: oldest_key = min(_fft_plans.keys(), key=lambda k: _fft_plans[k][3]) _fft_plans.pop(oldest_key, None) if direction == 'forward': in_arr = pyfftw.empty_aligned(n, dtype=dtype) out_arr = pyfftw.empty_aligned(n // 2 + 1, dtype=np.complex128) plan = pyfftw.FFTW(in_arr, out_arr, direction='FFTW_FORWARD', flags=('FFTW_MEASURE',)) else: in_arr = pyfftw.empty_aligned(n // 2 + 1, dtype=np.complex128) out_arr = pyfftw.empty_aligned(n, dtype=dtype) plan = pyfftw.FFTW(in_arr, out_arr, direction='FFTW_BACKWARD', flags=('FFTW_MEASURE',)) _fft_plans[plan_key] = (plan, in_arr, out_arr, time.time()) plan, in_arr, out_arr, _ = _fft_plans[plan_key]

[qodo-code-review]

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