add float/souble support

src/uns_sfrrate.cc

@@ -203,12 +203,12 @@ void process(uns::CunsIn * uns, float agemax, uns::CunsOut * unsout)
 
   // Put gas particles into an octree and make tree
   std::cerr << "Start tree building.....\n";
-  CTree * tree = new CTree(ngas,gpos,(float *) NULL);
+  CTree<float> * tree = new CTree<float>(ngas,gpos,(float *) NULL);
   time_maketree = timing.cpu();
   std::cerr << "Tree done in :" << time_maketree << " secondes\n";
 
   // create neibors object
-  CNeibors * neibors = new CNeibors(tree);
+  CNeibors<float> * neibors = new CNeibors<float>(tree);
 
   // find neibors
   timing.restart();