From 552a360064ee30bb1739f2edd63ca5a863f83235 Mon Sep 17 00:00:00 2001
From: Emily Boudreaux <thomas@boudreauxmail.com>
Date: Fri, 21 Mar 2025 14:46:22 -0400
Subject: [PATCH] fix(network): fixed missing negative in jacobian energy
 accounting

---
 src/network/private/approx8.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/network/private/approx8.cpp b/src/network/private/approx8.cpp
index 8d08ff5e..c9e597a7 100644
--- a/src/network/private/approx8.cpp
+++ b/src/network/private/approx8.cpp
@@ -325,7 +325,7 @@ namespace nnApprox8{
             for (int i=0; i<Net::niso; i++) { 
 				J(Net::iener,j) += J(i,j)*Net::mion[i]; 
 			}
-            J(Net::iener,j) *= avo*clight*clight;
+            J(Net::iener,j) *= -avo*clight*clight;
         }
     }