Owl_fft_dSourceval fft :
?axis:int ->
(Complex.t, Bigarray.complex64_elt) Owl_dense_ndarray_generic.t ->
(Complex.t, Bigarray.complex64_elt) Owl_dense_ndarray_generic.tval ifft :
?axis:int ->
(Complex.t, Bigarray.complex64_elt) Owl_dense_ndarray_generic.t ->
(Complex.t, Bigarray.complex64_elt) Owl_dense_ndarray_generic.tval rfft :
?axis:int ->
(float, Bigarray.float64_elt) Owl_dense_ndarray_generic.t ->
(Complex.t, Bigarray.complex64_elt) Owl_dense_ndarray_generic.tval irfft :
?axis:int ->
?n:int ->
(Complex.t, Bigarray.complex64_elt) Owl_dense_ndarray_generic.t ->
(float, Bigarray.float64_elt) Owl_dense_ndarray_generic.t