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Add GPU-accelerated Bluestein FFT for Fresnel propagation #24

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Merged
xiaziyna merged 1 commit into from
Apr 3, 2026
Merged

Add GPU-accelerated Bluestein FFT for Fresnel propagation #24

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15 changes: 15 additions & 0 deletions pystarshade/diffraction/__init__.py
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Original file line number Diff line number Diff line change
@@ -1 +1,16 @@

def gpu_available():
"""
Check whether GPU-accelerated Bluestein FFT is available.

Returns
-------
bool
True if PyTorch is installed and a CUDA device is detected.
"""
try:
from pystarshade.diffraction.bluestein_fft_gpu import (
_TORCH_AVAILABLE, _CUDA_AVAILABLE)
return _TORCH_AVAILABLE and _CUDA_AVAILABLE
except ImportError:
return False
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