<!-- See our full bug reporting guidelines at https://inkscape.org/contribute/report-bugs/ Writing a good bug report will ensure we'll be able to help efficiently. 🙂 --> #### Summary: <!-- Summarize the issue/suggestion concisely: --> Drawing simple straight segment is all it takes to freeze Inkscape if LPE simplify is ON. #### Steps to reproduce: <!-- Describe what you did (step-by-step) so we can reproduce: --> - open Inkscape - select Pencil tool - turn on toolbar button "LPE-based interactive simplify" - set "Smoothing" to 20 - draw a segment: one click, move, another click #### What happened? Inkscape freezes trying to simplify the line. #### What should have happened? Nothing. Sample attachments:  #### Version info ``` Inkscape 1.4-dev (e907bc1b30, 2023-06-14) GLib version: 2.76.3 GTK version: 3.24.38 glibmm version: 2.66.6 gtkmm version: 3.24.7 libxml2 version: 2.9.13 libxslt version: 1.1.38 Cairo version: 1.16.0 Pango version: 1.50.14 HarfBuzz version: 7.3.0 OS version: macOS 13.4 (22F66) arm64 ```