message: Improves unit test for SpatialOctree
  This helped diagnose issues related to 64 bit coordinates.
diff: @@ -51,7 +51,10 @@ TEST( spin_spatial_octree, spatial_octree_point_location)
  for(int i=0 ; i< octree.maxInternalLevel() ; ++i)
  {
  + EXPECT_EQ(0, octree.getOctreeLevel(i+1).numLeafBlocks());
  octree.refineLeaf( leafBlock );
  + EXPECT_EQ(1<<DIM, octree.getOctreeLevel(i+1).numLeafBlocks());
  +
  leafBlock = octree.findLeafBlock(queryPt);
  EXPECT_TRUE( octree.isLeaf(leafBlock));
  @@ -60,7 +63,7 @@ TEST( spin_spatial_octree, spatial_octree_point_location)
  EXPECT_TRUE( bb.contains(leafBB));
  SLIC_INFO(
  - "Query pt: "
  + "Level " << i << " -- Query pt: "
  << queryPt
  <<"\n\t" << ( leafBB.contains(queryPt) ? " was" : " was not")
  <<" contained in bounding box " << leafBB
  