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kml_fft(f)_execute_split_dft_r2c

Execute the created FFT plan. However, kml_fft(f)_execute_split_dft_r2c can accept new input and output data rather than the plan data as parameters.

Interface Definition

C interface:

void kml_fft_execute_split_dft_r2c(const kml_fft_plan p, double *in, double *ro, double *io);

void kml_fftf_execute_split_dft_r2c(const kml_fftf_plan p, float *in, float *ro, float *io);

Fortran interface:

CALL KML_FFT_EXECUTE_SPLIT_DFT_R2C(P, IN, RO, IO);

CALL KML_FFTF_EXECUTE_SPLIT_DFT_R2C(P, IN, RO, IO);

Parameters

Parameter

Data Type

Description

Input/Output

p
  1. Double precision: const kml_fft_plan
  2. Single precision: const kml_fftf_plan

FFT plan obtained by calling the plan function.

Input

in
  1. Double precision: double*
  2. Single precision: float*

Inputs the data to be transformed.

Input

ro
  1. Double precision: double*
  2. Single precision: float*

Outputs the real part of the data to be transformed.

Output

io
  1. Double precision: double*
  2. Single precision: float*

Outputs the imaginary part of the data to be transformed.

Output

Dependencies

C: "kfft.h"

Fortran: "kfft.f03"

Examples

See R2C Transforms.

Parent topic: FFT Execution Functions