fixed duplicated source

examples/helmholtz/comparisonORAS/main.cpp

@@ -349,9 +349,8 @@ int main(int argc, char **argv)
     double xmid = geo.Lx / 2;
     double ymid = geo.Ly / 2;
     for(int i = -4; i < 3; ++i) {
-      for (int j = -4; j < 3; ++j) {
       xs.push_back(xmid + (i + 0.5) * lcwater * numLc);
-        ys.push_back(ymid + (j + 0.5) * lcwater * numLc);
+      ys.push_back(ymid + (i + 0.5) * lcwater * numLc);
 
       if(xs.back() < 0 || xs.back() > geo.Lx) {
         throw std::runtime_error("Source x out of bounds");
@@ -361,7 +360,6 @@ int main(int argc, char **argv)
       }
     }
   }
-  }
 
   std::vector< std::tuple< double, double, double > > sources;
   for(double x : xs) {