examples/roots/bisection.rb in gsl-1.15.3 vs examples/roots/bisection.rb in gsl-1.16.0.6

@@ -6,10 +6,10 @@
   a = params[0];  b = params[1];  c = params[2]
   (a*x + b)*x + c
 }
 f.set_params(1, 0, -5)
 expected = Math::sqrt(5.0)
-printf("%5s [%9s, %9s] %9s %10s %9s\n", 
+printf("%5s [%9s, %9s] %9s %10s %9s\n",
        "iter", "lower", "upper", "root",  "err", "err(est)")
 solver.set(f, 0.0, 5.0)
 iter = 0
 status = nil
 while status != GSL::SUCCESS