kifmm_fftw_sys

Function fftw_plan_r2r

Source 
pub unsafe extern "C" fn fftw_plan_r2r(
    rank: c_int,
    n: *const c_int,
    in_: *mut f64,
    out: *mut f64,
    kind: *const fftw_r2r_kind,
    flags: c_uint,
) -> fftw_plan