fix corner case weibull pdf (#583)

arviz-devs · Nov 6, 2024 · 1bcb937 · 1bcb937
1 parent ad36ac2
commit 1bcb937
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/preliz/internal/special.py b/preliz/internal/special.py
@@ -462,6 +462,8 @@ def expit(x):
 def xlogy(x, y):
     if x == 0:
         return 0.0
+    if y == 0:
+        return -np.inf
     else:
         return x * np.log(y)