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Fft3dWorkspace

qsm_core::fft

Struct Fft3dWorkspace 

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pub struct Fft3dWorkspace {
Show 15 fields
    nx: usize,
    ny: usize,
    nz: usize,
    n_total: usize,
    fft_x: Arc<dyn Fft<f64>>,
    fft_y: Arc<dyn Fft<f64>>,
    fft_z: Arc<dyn Fft<f64>>,
    ifft_x: Arc<dyn Fft<f64>>,
    ifft_y: Arc<dyn Fft<f64>>,
    ifft_z: Arc<dyn Fft<f64>>,
    scratch_x: Vec<Complex64>,
    scratch_y: Vec<Complex64>,
    scratch_z: Vec<Complex64>,
    buffer_y: Vec<Complex64>,
    buffer_z: Vec<Complex64>,

}
Expand description

FFT workspace that caches plans and scratch buffers for reuse

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§nx: usize§ny: usize§nz: usize§n_total: usize§fft_x: Arc<dyn Fft<f64>>§fft_y: Arc<dyn Fft<f64>>§fft_z: Arc<dyn Fft<f64>>§ifft_x: Arc<dyn Fft<f64>>§ifft_y: Arc<dyn Fft<f64>>§ifft_z: Arc<dyn Fft<f64>>§scratch_x: Vec<Complex64>§scratch_y: Vec<Complex64>§scratch_z: Vec<Complex64>§buffer_y: Vec<Complex64>§buffer_z: Vec<Complex64>

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impl Fft3dWorkspace

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pub fn new(nx: usize, ny: usize, nz: usize) -> Self

Create a new FFT workspace for the given dimensions

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pub fn fft3d(&mut self, data: &mut [Complex64])

In-place forward 3D FFT

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pub fn ifft3d(&mut self, data: &mut [Complex64])

In-place inverse 3D FFT (with normalization)

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pub fn apply_dipole_inplace( &mut self, x: &[f64], d_kernel: &[f64], out: &mut [f64], complex_buf: &mut [Complex64], )

Apply dipole convolution in-place: out = real(ifft(D * fft(x))) Uses the provided complex buffer for the transform

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