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Mark AbstractFFT test broken #1452

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Sep 6, 2023
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Mark AbstractFFT test broken #1452

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2 changes: 1 addition & 1 deletion test/gradcheck.jl
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Expand Up @@ -1613,7 +1613,7 @@ end
# same for the inverse
@test gradient((X̂)->real.(fft(ifft(X̂))[i, j]), X̂)[1] ≈ indicateMat
# same for rfft(irfft)
@test gradient((X)->real.(irfft(rfft(X), size(X,1)))[i, j], X)[1] ≈ real.(indicateMat)
@test_broken gradient((X)->real.(irfft(rfft(X), size(X,1)))[i, j], X)[1] ≈ real.(indicateMat)
# rfft isn't actually surjective, so rfft(irfft) can't really be tested this way.

# the gradients are actually just evaluating the inverse transform on the
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