Index: /issm/trunk-jpl/src/c/modules/InterpFromMesh2dx/InterpFromMesh2dxt.cpp
===================================================================
--- /issm/trunk-jpl/src/c/modules/InterpFromMesh2dx/InterpFromMesh2dxt.cpp	(revision 27689)
+++ /issm/trunk-jpl/src/c/modules/InterpFromMesh2dx/InterpFromMesh2dxt.cpp	(revision 27690)
@@ -76,5 +76,5 @@
 
 				/*is the current point in the current element?*/
-				if (area_1>=0 && area_2>=0 && area_3>=0){
+				if (area_1>=-1.e-8 && area_2>=-1.e-8 && area_3>=-1.e-8){
 
 					/*Yes ! compute the value on the point*/