From: abn <adrien.bruneton@cea.fr>
Date: Thu, 11 Apr 2024 14:14:34 +0000 (+0200)
Subject: Minor bug fix seen by '-fsanitize'
X-Git-Tag: V9_13_0a1~16
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=4f2c6c86db3a3f102c169597982dc6f885a26e19;p=tools%2Fmedcoupling.git

Minor bug fix seen by '-fsanitize'
---

diff --git a/src/INTERP_KERNEL/TransformedTriangleIntersect.cxx b/src/INTERP_KERNEL/TransformedTriangleIntersect.cxx
index 9fc3a1674..36727ef26 100644
--- a/src/INTERP_KERNEL/TransformedTriangleIntersect.cxx
+++ b/src/INTERP_KERNEL/TransformedTriangleIntersect.cxx
@@ -342,9 +342,14 @@ namespace INTERP_KERNEL
         for(int j = 0 ; j < 2; ++j)
           {
             const int dpIdx = DP_INDEX[3*facets[j] + i];
-            const DoubleProduct dp = DP_FOR_SEG_FACET_INTERSECTION[dpIdx];
-            const double sign = SIGN_FOR_SEG_FACET_INTERSECTION[dpIdx];
-            c[j] = dpIdx < 0.0 ? 0.0 : sign * calcStableC(seg, dp);
+            if (dpIdx != -1)
+              {
+                const DoubleProduct dp = DP_FOR_SEG_FACET_INTERSECTION[dpIdx];
+                const double sign = SIGN_FOR_SEG_FACET_INTERSECTION[dpIdx];
+                c[j] = sign * calcStableC(seg, dp);
+              }
+            else
+              c[j] = 0.0;
           }
 
         pt[i] = (c[0] * s[0] + c[1] * s[1]) / denominator;