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fix dtype of demod.from_map #1692

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Merged
ykyohei merged 1 commit into from
Jul 9, 2026
Merged

fix dtype of demod.from_map #1692

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2 changes: 2 additions & 0 deletions sotodlib/coords/demod.py
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Original file line number Diff line number Diff line change
Expand Up @@ -179,6 +179,8 @@ def from_map(tod, signal_map, cuts=None, flip_gamma=True, wrap=False, modulated=
else:
assert 'hwp_angle' in tod._fields
signal_sim = dsT_sim + demodQ_sim*np.cos(4*tod.hwp_angle) + demodU_sim*np.sin(4*tod.hwp_angle)
# signal is promoted to float64 because hwp_angle is float64, cast back to float32
signal_sim = signal_sim.astype('float32')
if wrap:
tod.wrap('signal', signal_sim, [(0, 'dets'), (1, 'samps')])
return signal_sim
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