From 07e6d8d40e387ea3026c0d24df0742edcdf99de4 Mon Sep 17 00:00:00 2001
From: gsdali <51393997+gsdali@users.noreply.github.com>
Date: Mon, 10 Aug 2026 21:20:16 +1000
Subject: [PATCH] Modeling Data - Fix AdvApp2Var Jacobi maxima written to the
 wrong workspace slot (#1418)

Fixed approximation of spherical surfaces]
Regression after https://github.com/Open-Cascade-SAS/OCCT/commit/3016a390713d2e893f4bfa797882b9f0266840e1
---
 .../TKGeomBase/AdvApp2Var/AdvApp2Var_ApproxF2var.cxx            | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ModelingData/TKGeomBase/AdvApp2Var/AdvApp2Var_ApproxF2var.cxx b/src/ModelingData/TKGeomBase/AdvApp2Var/AdvApp2Var_ApproxF2var.cxx
index 885a9a168a..563c8ba9eb 100644
--- a/src/ModelingData/TKGeomBase/AdvApp2Var/AdvApp2Var_ApproxF2var.cxx
+++ b/src/ModelingData/TKGeomBase/AdvApp2Var/AdvApp2Var_ApproxF2var.cxx
@@ -3949,7 +3949,7 @@ int AdvApp2Var_ApproxF2var::mma2ce1_(int*    numdec,
   /* ------------------- Return max polynoms of  Jacobi ------------
    */
 
-  AdvApp2Var_ApproxF2var::mma2jmx_(ndjacu, iordru, &wrkar_off[ipt5]);
+  AdvApp2Var_ApproxF2var::mma2jmx_(ndjacu, iordru, &wrkar_off[ipt4]);
   AdvApp2Var_ApproxF2var::mma2jmx_(ndjacv, iordrv, &wrkar_off[ipt5]);
 
   /* ------ Calculate the coefficients and their contribution to the error ----