Fixing setBackgroundValue

openfpm_data @ 63a78e33

-Subproject commit b4e271e7a435bc6b4522f02926a114a63617f9ba
+Subproject commit 63a78e33be8766030b2424e5f86c82e5e3e021ff

src/Amr/grid_dist_amr.hpp

@@ -67,6 +67,9 @@ class grid_dist_amr<dim,St,T,AMR_IMPL_TRIVIAL,Decomposition,Memory,device_grid>
 	//! Moving offsets
 	openfpm::vector<openfpm::vector<offset_mv<dim>>> mv_off;
 
+	// background level
+	T bck;
+
 	/*! \brief Initialize the others levels
 	 *
 	 * \param n_lvl number of levels
@@ -81,6 +84,7 @@ class grid_dist_amr<dim,St,T,AMR_IMPL_TRIVIAL,Decomposition,Memory,device_grid>
 			{g_sz_lvl[j] = (g_sz_lvl[j]-1)*2 + 1;}
 
 			gd_array.add(grid_dist_id<dim,St,T,Decomposition,Memory,device_grid>(gd_array.get(0).getDecomposition(),g_sz_lvl,g_int));
+			gd_array.last().setBackgroundValue(bck);
 		}
 
 		// Here we calculate the offset to move one level up and one level down
@@ -528,6 +532,8 @@ public:
 	{
 		for (size_t i = 0 ; i < getNLvl() ; i++)
 		{gd_array.get(i).setBackgroundValue(bv);}
+
+		meta_copy<T>::meta_copy_(bv,bck);
 	}
 
 	/*! \brief delete all the points in the grid

src/Amr/grid_dist_amr_unit_tests.cpp

@@ -524,6 +524,17 @@ BOOST_AUTO_TEST_CASE( grid_dist_amr_test_background_value )
 	long int bck2 = amr_g2.get<2>(2,key);
 	BOOST_REQUIRE_EQUAL(bck2,-123);
 
+	// Now we insert that point and we check the subsequent point
+	amr_g2.insert<0>(2,key) = 5;
+
+	grid_dist_key_dx<3> key2(0,grid_key_dx<3>({1,0,0}));
+	bck0 = amr_g2.get<0>(2,key2);
+	BOOST_REQUIRE_EQUAL(bck0,-57);
+	bck1 = amr_g2.get<1>(2,key2);
+	BOOST_REQUIRE_EQUAL(bck1,-90);
+	bck2 = amr_g2.get<2>(2,key2);
+	BOOST_REQUIRE_EQUAL(bck2,-123);
+
 }
 
 BOOST_AUTO_TEST_SUITE_END()