Sinc seems to always return double precision, even when the input is single precision:
In [125]: np.sinc(np.float32(0)).dtype
Out[125]: dtype('float64')
Is this desired behavior? I’m guessing the promotion occurs in the
multiplication by pi:
y = pi * where(x == 0, 1.0e-20, x)
Paul
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Paul Woodford, Ph.D.
Principal Research Engineer
KeyW Corporation
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