# ANN: InplaceRealFFT.jl : inplace real-to-complex and complex-to-real FFT

**URL:** https://discourse.julialang.org/t/ann-inplacerealfft-jl-inplace-real-to-complex-and-complex-to-real-fft/8116
**Category:** Numerics
**Tags:** fftw
**Created:** [January 2, 2018, 9:30pm UTC](https://discourse.julialang.org/t/ann-inplacerealfft-jl-inplace-real-to-complex-and-complex-to-real-fft/8116 "2018-01-02T21:30:43Z")
**Posts on this page:** 1
**Showing post:** 9

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### Author: ![yuyichao](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/yuyichao/32/20_2.png) [@yuyichao](https://discourse.julialang.org/u/yuyichao)
#### Post date: [January 3, 2018, 7:47pm UTC](https://discourse.julialang.org/t/ann-inplacerealfft-jl-inplace-real-to-complex-and-complex-to-real-fft/8116/9 "2018-01-03T19:47:24Z")

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> [@foobar\_lv2](#):
>
> If a user decides to keep the real view and let the PaddedArray die

Compiler can do this, easily.

> [@foobar\_lv2](#):
>
> in what kind of cases?

In general, just don’t do this kind of analysis. All what you can ever do is to assume certain compiler limitation and rely on implementation details that can easily change.

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