fix(signal): refuse filter designs whose coefficients overflow

Assisted-by: GLM 5.3 Flash
2026-09-28 21:36:09 +02:00
parent e9f268a461
commit 045ef28d24
5 changed files with 91 additions and 1 deletions
@@ -54,6 +54,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `WriteSVG` keeps extreme but finite data and axis ranges drawable:
  the padding, projection and tick arithmetic fall back to forms whose
  terms stay in range, so the file never carries a NaN coordinate.
+- Filter design refuses an order whose coefficient arithmetic
+  overflows the float64 range instead of shipping a numerator of
+  zeros or NaN.

 ## [1.0.0] - 2026-09-03