Struct RealFftProcessor 

pub struct RealFftProcessor {
    pub fft_size: usize,
    pub spectrum_size: usize,
    pub time_buffer: Vec<f32>,
    pub freq_buffer: Vec<Complex<f32>>,
    /* private fields */
}

Thin wrapper around realfft encapsulating planner + buffers for single-channel use. Provides forward (real→complex) and optional inverse (complex→real) FFT.

Fields

fft_size: usize

spectrum_size: usize

time_buffer: Vec<f32>

freq_buffer: Vec<Complex<f32>>

Implementations

impl RealFftProcessor

pub fn new_forward_only(fft_size: usize) -> Self

Create a forward-only FFT processor (no inverse).

pub fn new_bidirectional(fft_size: usize) -> Self

Create a bidirectional FFT processor (forward + inverse).

pub fn forward(&mut self)

Perform forward FFT: time_buffer → freq_buffer. The caller should fill time_buffer before calling this.

pub fn inverse(&mut self)

Perform inverse FFT: freq_buffer → time_buffer. Panics if this processor was created with new_forward_only.