feat(validation): add input validation for Bilateral and Blma constructors; enhance Butter and Mgdi calculations with NaN handling

2026-08-24 13:38:05 +00:00 · 2025-12-25 20:53:56 -08:00
parent ac8b2dbb3f
commit 0d077c24d8
15 changed files with 195 additions and 66 deletions
@@ -118,15 +118,25 @@ public sealed class Ema : AbstractBase
        int i = 0;

        // Find first valid value to seed lastValid
+        bool foundValid = false;
        for (int k = 0; k < len; k++)
        {
            if (double.IsFinite(source[k]))
            {
                _lastValidValue = source[k];
+                foundValid = true;
                break;
            }
        }

+        if (!foundValid)
+        {
+            Last = new TValue(DateTime.MinValue, double.NaN);
+            _p_state = _state;
+            _p_lastValidValue = _lastValidValue;
+            return;
+        }
+
        if (!_state.IsCompensated)
        {
            for (; i < len && _state.E > COMPENSATOR_THRESHOLD; i++)