proc fftw_execute_split_dft(p: fftw_plan; ri: ptr cdouble; ii: ptr cdouble;
                            ro: ptr cdouble; io: ptr cdouble) {.cdecl,
    importc: "fftw_execute_split_dft", dynlib: Fftw3Lib, ...raises: [], tags: [].}

proc fftw_execute_split_dft_c2r(p: fftw_plan; ri: ptr cdouble; ii: ptr cdouble;
                                outptr: ptr cdouble) {.cdecl,
    importc: "fftw_execute_split_dft_c2r", dynlib: Fftw3Lib, ...raises: [],
    tags: [].}

proc fftw_execute_split_dft_r2c(p: fftw_plan; inptr: ptr cdouble;
                                ro: ptr cdouble; io: ptr cdouble) {.cdecl,
    importc: "fftw_execute_split_dft_r2c", dynlib: Fftw3Lib, ...raises: [],
    tags: [].}

proc fftw_plan_guru64_dft(rank: cint; dims: ptr fftw_iodim64;
                          howmany_rank: cint; howmany_dims: ptr fftw_iodim64;
                          inptr: ptr Complex64; outptr: ptr Complex64;
                          sign: cint; flags: cuint): fftw_plan {.cdecl,
    importc: "fftw_plan_guru64_dft", dynlib: Fftw3Lib, ...raises: [], tags: [].}

proc fftw_plan_guru64_dft_c2r(rank: cint; dims: ptr fftw_iodim64;
                              howmany_rank: cint;
                              howmany_dims: ptr fftw_iodim64;
                              inptr: ptr Complex64; outptr: ptr cdouble;
                              flags: cuint): fftw_plan {.cdecl,
    importc: "fftw_plan_guru64_dft_c2r", dynlib: Fftw3Lib, ...raises: [], tags: [].}

proc fftw_plan_guru64_dft_r2c(rank: cint; dims: ptr fftw_iodim64;
                              howmany_rank: cint;
                              howmany_dims: ptr fftw_iodim64;
                              inptr: ptr cdouble; outptr: ptr Complex64;
                              flags: cuint): fftw_plan {.cdecl,
    importc: "fftw_plan_guru64_dft_r2c", dynlib: Fftw3Lib, ...raises: [], tags: [].}

proc fftw_plan_guru64_r2r(rank: cint; dims: ptr fftw_iodim64;
                          howmany_rank: cint; howmany_dims: ptr fftw_iodim64;
                          inptr: ptr cdouble; outptr: ptr cdouble;
                          kind: ptr fftw_r2r_kind; flags: cuint): fftw_plan {.
    cdecl, importc: "fftw_plan_guru64_r2r", dynlib: Fftw3Lib, ...raises: [],
    tags: [].}

proc fftw_plan_guru64_split_dft(rank: cint; dims: ptr fftw_iodim64;
                                howmany_rank: cint;
                                howmany_dims: ptr fftw_iodim64; ri: ptr cdouble;
                                ii: ptr cdouble; ro: ptr cdouble;
                                io: ptr cdouble; flags: cuint): fftw_plan {.
    cdecl, importc: "fftw_plan_guru64_split_dft", dynlib: Fftw3Lib, ...raises: [],
    tags: [].}

proc fftw_plan_guru64_split_dft_c2r(rank: cint; dims: ptr fftw_iodim64;
                                    howmany_rank: cint;
                                    howmany_dims: ptr fftw_iodim64;
                                    ri: ptr cdouble; ii: ptr cdouble;
                                    outptr: ptr cdouble; flags: cuint): fftw_plan {.
    cdecl, importc: "fftw_plan_guru64_split_dft_c2r", dynlib: Fftw3Lib,
    ...raises: [], tags: [].}

proc fftw_plan_guru64_split_dft_r2c(rank: cint; dims: ptr fftw_iodim64;
                                    howmany_rank: cint;
                                    howmany_dims: ptr fftw_iodim64;
                                    inptr: ptr cdouble; ro: ptr cdouble;
                                    io: ptr cdouble; flags: cuint): fftw_plan {.
    cdecl, importc: "fftw_plan_guru64_split_dft_r2c", dynlib: Fftw3Lib,
    ...raises: [], tags: [].}

proc fftw_plan_guru_dft(rank: cint; dims: ptr fftw_iodim; howmany_rank: cint;
                        howmany_dims: ptr fftw_iodim; inptr: ptr Complex64;
                        outptr: ptr Complex64; sign: cint; flags: cuint): fftw_plan {.
    cdecl, importc: "fftw_plan_guru_dft", dynlib: Fftw3Lib, ...raises: [], tags: [].}

proc fftw_plan_guru_dft_c2r(rank: cint; dims: ptr fftw_iodim;
                            howmany_rank: cint; howmany_dims: ptr fftw_iodim;
                            inptr: ptr Complex64; outptr: ptr cdouble;
                            flags: cuint): fftw_plan {.cdecl,
    importc: "fftw_plan_guru_dft_c2r", dynlib: Fftw3Lib, ...raises: [], tags: [].}

proc fftw_plan_guru_dft_r2c(rank: cint; dims: ptr fftw_iodim;
                            howmany_rank: cint; howmany_dims: ptr fftw_iodim;
                            inptr: ptr cdouble; outptr: ptr Complex64;
                            flags: cuint): fftw_plan {.cdecl,
    importc: "fftw_plan_guru_dft_r2c", dynlib: Fftw3Lib, ...raises: [], tags: [].}

proc fftw_plan_guru_r2r(rank: cint; dims: ptr fftw_iodim; howmany_rank: cint;
                        howmany_dims: ptr fftw_iodim; inptr: ptr cdouble;
                        outptr: ptr cdouble; kind: ptr fftw_r2r_kind;
                        flags: cuint): fftw_plan {.cdecl,
    importc: "fftw_plan_guru_r2r", dynlib: Fftw3Lib, ...raises: [], tags: [].}

proc fftw_plan_guru_split_dft(rank: cint; dims: ptr fftw_iodim;
                              howmany_rank: cint; howmany_dims: ptr fftw_iodim;
                              ri: ptr cdouble; ii: ptr cdouble; ro: ptr cdouble;
                              io: ptr cdouble; flags: cuint): fftw_plan {.cdecl,
    importc: "fftw_plan_guru_split_dft", dynlib: Fftw3Lib, ...raises: [], tags: [].}

proc fftw_plan_guru_split_dft_c2r(rank: cint; dims: ptr fftw_iodim;
                                  howmany_rank: cint;
                                  howmany_dims: ptr fftw_iodim; ri: ptr cdouble;
                                  ii: ptr cdouble; outptr: ptr cdouble;
                                  flags: cuint): fftw_plan {.cdecl,
    importc: "fftw_plan_guru_split_dft_c2r", dynlib: Fftw3Lib, ...raises: [],
    tags: [].}

proc fftw_plan_guru_split_dft_r2c(rank: cint; dims: ptr fftw_iodim;
                                  howmany_rank: cint;
                                  howmany_dims: ptr fftw_iodim;
                                  inptr: ptr cdouble; ro: ptr cdouble;
                                  io: ptr cdouble; flags: cuint): fftw_plan {.
    cdecl, importc: "fftw_plan_guru_split_dft_r2c", dynlib: Fftw3Lib,
    ...raises: [], tags: [].}