PhastFT

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Implmentation of R2C FFT

4

@calebzulawski Draft for #23

smu160

Add functions to support interleaved complex num

14

@calebzulawski @Shnatsel A draft PR to address issue #22.

smu160

Real to complex and complex to real transforms

6

In these special cases, the imaginary reads could be replaced with zeros, and the writes elided.

calebzulawski

@Shnatsel Given the results for `f32` and `f64` memory usage provided by a third party [benchmark repo](https://github.com/astral4/fft-benchmark), should we consider updating the ["2x lower memory usage"](https://github.com/QuState/PhastFT/blob/7e8176a128e706a759ae74e92d11801908d3610d/README.md?plain=1#L20) claim in the readme?...

smu160

The `generate_random_signal` that tests `gen_random_signal` never actually runs -- at least according to codecov.

smu160

use array_chunks for greater performance

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## old  ## new 

bend-n

Support interleaved complex numbers

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A naive first shot at this could simply reorder the inputs and outputs, but a better implementation could embed this in the read and write loops.

calebzulawski