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Force finufft signals to be complex #575

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Merged
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Feb 17, 2022
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Force finufft signals to be complex #575

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6 changes: 6 additions & 0 deletions src/aspire/nufft/finufft.py
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Original file line number Diff line number Diff line change
Expand Up @@ -103,6 +103,9 @@ def transform(self, signal):
f"Signal frame to be transformed must have shape {self.sz}",
)

# FINUFFT was designed for a complex input array
signal = np.array(signal, copy=False, dtype=self.complex_dtype, order="C")

result = self._transform_plan.execute(signal)

return result
Expand Down Expand Up @@ -135,6 +138,9 @@ def adjoint(self, signal):
if self.ntransforms == 1:
signal = signal.reshape(self.num_pts)

# FINUFFT was designed for a complex input array
signal = np.array(signal, copy=False, dtype=self.complex_dtype, order="C")

result = self._adjoint_plan.execute(signal)

return result