Kevin O'Connor c49dbb5a87 trapq: Fix bug that broke numerical stability workaround for initial movement
Commit b60804bb changed the trapq head sentinel to store
print_time=-1.  However, it failed to update trapq_add_move() that
relied on that value to detect the head sentinel.  As a result,
numerical stability issues could lead to stepcompress errors.

Fix by changing trapq_add_move() to detect the head sentinel even with
a negative print_time.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
2025-10-04 19:35:41 -04:00

Welcome to the Klipper project!

Klipper

https://www.klipper3d.org/

The Klipper firmware controls 3d-Printers. It combines the power of a general purpose computer with one or more micro-controllers. See the features document for more information on why you should use the Klipper software.

Start by installing Klipper software.

Klipper software is Free Software. See the license or read the documentation. We depend on the generous support from our sponsors.

Description
Klipper is a 3d-printer firmware.
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