From a1a0c249a40e91ff3c7d410d152eb56d4dcafd43 Mon Sep 17 00:00:00 2001
From: andy <andy>
Date: Mon, 17 Feb 2014 16:46:43 +0000
Subject: [PATCH] ENH: mapNearestAMI - added protection for case when srcFace
 =-1, e.g. if mesh bounds are dissimilar

---
 .../AMIMethod/mapNearestAMI/mapNearestAMI.C   | 23 +++++++++++--------
 1 file changed, 13 insertions(+), 10 deletions(-)

diff --git a/src/meshTools/AMIInterpolation/AMIInterpolation/AMIMethod/mapNearestAMI/mapNearestAMI.C b/src/meshTools/AMIInterpolation/AMIInterpolation/AMIMethod/mapNearestAMI/mapNearestAMI.C
index 61ed01727e..be6f590fa0 100644
--- a/src/meshTools/AMIInterpolation/AMIInterpolation/AMIMethod/mapNearestAMI/mapNearestAMI.C
+++ b/src/meshTools/AMIInterpolation/AMIInterpolation/AMIMethod/mapNearestAMI/mapNearestAMI.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2013 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2013-2014 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -310,16 +310,19 @@ void Foam::mapNearestAMI<SourcePatch, TargetPatch>::calculate
         {
             label srcFaceI = findMappedSrcFace(tgtFaceI, tgtAddr);
 
-            // note - reversed search from src->tgt to tgt->src
-            findNearestFace
-            (
-                this->tgtPatch_,
-                this->srcPatch_,
-                tgtFaceI,
-                srcFaceI
-            );
+            if (srcFaceI >= 0)
+            {
+                // note - reversed search from src->tgt to tgt->src
+                findNearestFace
+                (
+                    this->tgtPatch_,
+                    this->srcPatch_,
+                    tgtFaceI,
+                    srcFaceI
+                );
 
-            tgtAddr[tgtFaceI].append(srcFaceI);
+                tgtAddr[tgtFaceI].append(srcFaceI);
+            }
         }
     }