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Fft3dWorkspaceF32

qsm_core::fft

Struct Fft3dWorkspaceF32 

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pub struct Fft3dWorkspaceF32 {
Show 15 fields
    nx: usize,
    ny: usize,
    nz: usize,
    n_total: usize,
    fft_x: Arc<dyn Fft<f32>>,
    fft_y: Arc<dyn Fft<f32>>,
    fft_z: Arc<dyn Fft<f32>>,
    ifft_x: Arc<dyn Fft<f32>>,
    ifft_y: Arc<dyn Fft<f32>>,
    ifft_z: Arc<dyn Fft<f32>>,
    scratch_x: Vec<Complex32>,
    scratch_y: Vec<Complex32>,
    scratch_z: Vec<Complex32>,
    buffer_y: Vec<Complex32>,
    buffer_z: Vec<Complex32>,

}
Expand description

FFT workspace using f32 for better WASM performance Single precision halves memory bandwidth and is faster on most hardware

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§nx: usize§ny: usize§nz: usize§n_total: usize§fft_x: Arc<dyn Fft<f32>>§fft_y: Arc<dyn Fft<f32>>§fft_z: Arc<dyn Fft<f32>>§ifft_x: Arc<dyn Fft<f32>>§ifft_y: Arc<dyn Fft<f32>>§ifft_z: Arc<dyn Fft<f32>>§scratch_x: Vec<Complex32>§scratch_y: Vec<Complex32>§scratch_z: Vec<Complex32>§buffer_y: Vec<Complex32>§buffer_z: Vec<Complex32>

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impl Fft3dWorkspaceF32

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

Create a new f32 FFT workspace for the given dimensions

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pub fn fft3d(&mut self, data: &mut [Complex32])

In-place forward 3D FFT

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pub fn ifft3d(&mut self, data: &mut [Complex32])

In-place inverse 3D FFT (with normalization)

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pub fn apply_dipole_inplace( &mut self, x: &[f32], d_kernel: &[f32], out: &mut [f32], complex_buf: &mut [Complex32], )

Apply dipole convolution in-place: out = real(ifft(D * fft(x)))

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