Add `device` keyword to fftfreq and rfftfreq#506

Merged

rgommers merged 4 commits intodata-apis:mainfrom

steff456:device-fft

Nov 28, 2022

Commits on Nov 11, 2022

Add dtype and device to fftfreq and rfftfreq
steff456
committed

Commits on Nov 14, 2022

Require floating-point data types
kgryte
authored

Commits on Nov 22, 2022

Remove dtype argument
steff456
committed

Commits on Nov 28, 2022

Remove spurious `dtype` import
rgommers
committed