<div dir="auto">Hi，</div><div dir="auto">The latest version after 2026.1 has supported your need.</div><div dir="auto"><br></div><div dir="auto">Best regards，</div><div dir="auto">Xuan</div><div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">Riccardo Pezzetta <<a href="mailto:richipezzi@gmail.com">richipezzi@gmail.com</a>>于2026年6月20日 周六18:07写道：<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Dear CP2K community,<br>I used the Poisson solver WAVELET, with PERIODIC XY and I wrote
<span style="color:rgb(64,64,64);font-family:Lato,proxima-nova,"Helvetica Neue",Arial,sans-serif;font-size:16px;background-color:rgb(252,252,252)">PREFERRED_FFT_LIBRARY FFTSG in the GLOBAL section. I am using the last version of CP2K (2026.1), but still it does not work and in the output I see <br></span>"Poisson solver for this periodicity not yet implemented".<span style="color:rgb(64,64,64);font-family:Lato,proxima-nova,"Helvetica Neue",Arial,sans-serif;font-size:16px;background-color:rgb(252,252,252)"></span><div>I have attached my input in the email. Can someone explain me why it does not work please? Thank you in advance.</div><div>Best regards,</div><div><br></div><div>Riccardo Pezzetta</div>
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