fix adc gain forumla

briangow · briangow · commit 66f74113c1a9 · 2025-12-10T14:59:17.000-05:00
diff --git a/wfdb/io/_signal.py b/wfdb/io/_signal.py
@@ -792,7 +792,7 @@ def calc_adc_gain_baseline(self, ch, minvals, maxvals):
         if baseline > MAX_I32:
             # pmin maps to dmin, baseline maps to 2**31 - 1
             # pmax will map to a lower value than before
-            adc_gain = (MAX_I32) - dmin / abs(pmin)
+            adc_gain = (MAX_I32 - dmin) / abs(pmin)
             baseline = MAX_I32
         # This may happen if pmin > 0
         elif baseline < MIN_I32:
