From 59e33e3025880c052d62246bdfb5942c041fb457 Mon Sep 17 00:00:00 2001
From: RichieHakim <RichHakim@gmail.com>
Date: Fri, 14 Jun 2024 00:04:47 -0400
Subject: [PATCH] safety

---
 bnpm/timeSeries.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/bnpm/timeSeries.py b/bnpm/timeSeries.py
index 1a2f05f..401e8d0 100644
--- a/bnpm/timeSeries.py
+++ b/bnpm/timeSeries.py
@@ -65,6 +65,8 @@ def convolve_along_axis(
     '''
     tic = time.time()
 
+    axis = array.ndim + axis if axis<0 else axis  ## convert negative axis to positive axis
+
     if array.ndim == 1:
         multicore_pref = False
     if multicore_pref: