create – dtFFT

private subroutine create(self, fft_rank, fft_type, precision, idist, odist, how_many, fft_sizes, inembed, onembed, error_code, r2r_kinds)

Creates FFT plan via FFTW3 Interface

Type	Intent	Optional		Name
class(fftw_executor),	intent(inout)		::	self	FFTW FFT Executor
integer(kind=int8),	intent(in)		::	fft_rank	Rank of fft: 1 or 2
integer(kind=int8),	intent(in)		::	fft_type	Type of fft: r2r, r2c, c2c
type(dtfft_precision_t),	intent(in)		::	precision	Precision of fft: DTFFT_SINGLE or DTFFT_DOUBLE
integer(kind=int32),	intent(in)		::	idist	Distance between the first element of two consecutive signals in a batch of the input data.
integer(kind=int32),	intent(in)		::	odist	Distance between the first element of two consecutive signals in a batch of the output data.
integer(kind=int32),	intent(in)		::	how_many	Number of transforms to create
integer(kind=int32),	intent(in)		::	fft_sizes(:)	Dimensions of transform
integer(kind=int32),	intent(in)		::	inembed(:)	Storage dimensions of the input data in memory.
integer(kind=int32),	intent(in)		::	onembed(:)	Storage dimensions of the output data in memory.
integer(kind=int32),	intent(inout)		::	error_code	Error code to be returned to user
type(dtfft_r2r_kind_t),	intent(in),	optional	::	r2r_kinds(:)	Kinds of r2r transform

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