BUG: Corrected AMI when running in parallel

src/meshTools/AMIInterpolation/AMIInterpolation/AMIInterpolation.C

@@ -917,22 +917,23 @@ Foam::scalar Foam::AMIInterpolation<SourcePatch, TargetPatch>::interArea
     const primitivePatch& tgtPatch
 ) const
 {
+    const pointField& srcPoints = srcPatch.points();
+    const pointField& tgtPoints = tgtPatch.points();
+
+    // references to candidate faces
+    const face& src = srcPatch[srcFaceI];
+    const face& tgt = tgtPatch[tgtFaceI];
+
     // quick reject if either face has zero area
-    if (srcMagSf_[srcFaceI] < ROOTVSMALL || tgtMagSf_[tgtFaceI] < ROOTVSMALL)
+    // Note: do not used stored face areas for target patch
+    if ((srcMagSf_[srcFaceI] < ROOTVSMALL) || (tgt.mag(tgtPoints) < ROOTVSMALL))
     {
         return 0.0;
     }
 
-    const pointField& srcPoints = srcPatch.points();
-    const pointField& tgtPoints = tgtPatch.points();
-
     // create intersection object
     faceAreaIntersect inter(srcPoints, tgtPoints, reverseTarget_);
 
-    // references to candidate faces
-    const face& src = srcPatch[srcFaceI];
-    const face& tgt = tgtPatch[tgtFaceI];
-
     // crude resultant norm
     vector n(-src.normal(srcPoints));
     if (reverseTarget_)