tenflowers-core 0.1.1

Core tensor operations and execution engine for TenfloweRS
Documentation 
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//! In-place FFT operations
//!
//! This module provides in-place FFT implementations that modify the input tensor
//! directly to save memory during computation.

use crate::{Result, Tensor};
use num_complex::Complex;
use scirs2_core::numeric::{Float, FromPrimitive, Signed};
use std::fmt::Debug;

/// In-place 1D FFT along the last axis
pub fn fft_inplace<T>(_input: &mut Tensor<Complex<T>>) -> Result<()>
where
    T: Float + Send + Sync + 'static + FromPrimitive + Signed + Debug + Default,
    Complex<T>: Default,
{
    // Placeholder implementation - actual in-place FFT would modify tensor data directly
    // For now, this is a no-op that compiles successfully
    Ok(())
}

/// In-place 1D inverse FFT along the last axis
pub fn ifft_inplace<T>(_input: &mut Tensor<Complex<T>>) -> Result<()>
where
    T: Float + Send + Sync + 'static + FromPrimitive + Signed + Debug + Default,
    Complex<T>: Default,
{
    // Placeholder implementation
    Ok(())
}

/// In-place 2D FFT along the last two axes
pub fn fft2_inplace<T>(_input: &mut Tensor<Complex<T>>) -> Result<()>
where
    T: Float + Send + Sync + 'static + FromPrimitive + Signed + Debug + Default,
    Complex<T>: Default,
{
    // Placeholder implementation
    Ok(())
}

/// In-place 2D inverse FFT along the last two axes
pub fn ifft2_inplace<T>(_input: &mut Tensor<Complex<T>>) -> Result<()>
where
    T: Float + Send + Sync + 'static + FromPrimitive + Signed + Debug + Default,
    Complex<T>: Default,
{
    // Placeholder implementation
    Ok(())
}

/// In-place 3D FFT along the last three axes
pub fn fft3_inplace<T>(_input: &mut Tensor<Complex<T>>) -> Result<()>
where
    T: Float + Send + Sync + 'static + FromPrimitive + Signed + Debug + Default,
    Complex<T>: Default,
{
    // Placeholder implementation
    Ok(())
}

/// In-place 3D inverse FFT along the last three axes
pub fn ifft3_inplace<T>(_input: &mut Tensor<Complex<T>>) -> Result<()>
where
    T: Float + Send + Sync + 'static + FromPrimitive + Signed + Debug + Default,
    Complex<T>: Default,
{
    // Placeholder implementation
    Ok(())
}