fixed bug in nrvec::concatme

t.cc

@@ -2539,7 +2539,7 @@ cout<<"big "<<xx1<<endl;
 cout << "TEST "<<(xx<xx1) <<" "<<(xx>xx2) <<endl;
 }
 
-if(1)
+if(0)
 {
 int seed;
 int f=open("/dev/random",O_RDONLY);
@@ -2574,6 +2574,15 @@ cout <<test;
 cout <<"Error = "<<(expitszsz-test).norm()<<endl;
 }
 
-
+if(1)
+{
+NRVec<double> x({1,2,3});
+NRVec<double> y({4,5,6});
+//cout <<x.concat(y);
+x.append(10.);
+cout <<x;
+x.concatme(y);
+cout <<x;
+}
 
 }