Wiskerke

I did notice in the example code that the `out` memory is first freed, and after that the code prints data from that released memory. https://github.com/robin-cls/fftw3_pybind/blob/298c860091cc6306a6eec01c899671944fc45af2/src/bindings.cpp#L89

@robin-cls It looks like the remaining difference are in the last half of the `out` memory. My guess is that the fft algorithm only overwrites the first part of that...

I was trying out the synchronous calculator example code on windows 10 and got the same exception. Experimenting with it, I found out a couple of things: The problem does...