From 116e3eec5a48e18d2232ebe9588cd1fe9cbf0ac0 Mon Sep 17 00:00:00 2001
From: andy <andy>
Date: Wed, 30 Jul 2014 14:55:36 +0100
Subject: [PATCH] ENH: AMI - early exit if no source faces present
---
.../AMIInterpolation/AMIInterpolation.C | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/src/meshTools/AMIInterpolation/AMIInterpolation/AMIInterpolation.C b/src/meshTools/AMIInterpolation/AMIInterpolation/AMIInterpolation.C
index 2440c1f8428..ea79e0699cc 100644
--- a/src/meshTools/AMIInterpolation/AMIInterpolation/AMIInterpolation.C
+++ b/src/meshTools/AMIInterpolation/AMIInterpolation/AMIInterpolation.C
@@ -805,6 +805,17 @@ void Foam::AMIInterpolation<SourcePatch, TargetPatch>::update
label srcTotalSize = returnReduce(srcPatch.size(), sumOp<label>());
label tgtTotalSize = returnReduce(tgtPatch.size(), sumOp<label>());
+ if (srcTotalSize == 0)
+ {
+ if (debug)
+ {
+ Info<< "AMI: no source faces present - no addressing constructed"
+ << endl;
+ }
+
+ return;
+ }
+
Info<< indent
<< "AMI: Creating addressing and weights between "
<< srcTotalSize << " source faces and "
--
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