--- trunk/OOPSE/libmdtools/DirectionalAtom.cpp	2003/08/12 19:56:49	689
+++ trunk/OOPSE/libmdtools/DirectionalAtom.cpp	2003/09/25 19:27:15	787
@@ -39,21 +39,21 @@ void DirectionalAtom::setCoords(void){
   else{
     sprintf( painCave.errMsg,
 	     "Attempted to set Atom %d  coordinates with an unallocated "
-	     "SimState object.\n" );
+	     "SimState object.\n", index );
     painCave.isFatal = 1;
     simError();
   }
 
   hasCoords = true;
 
-  mu[index] = myMu;
+  *mu = myMu;
 
 }
 
 double DirectionalAtom::getMu( void ) {
 
   if( hasCoords ){
-    return mu[index];
+    return *mu;
   }
   else{
     return myMu;
@@ -64,7 +64,7 @@ void DirectionalAtom::setMu( double the_mu ) { 
 void DirectionalAtom::setMu( double the_mu ) { 
 
   if( hasCoords ){
-    mu[index] = the_mu;
+    *mu = the_mu;
     myMu = the_mu;
   }
   else{