4 #include <gsl/gsl_errno.h>
5 #include <gsl/gsl_spline.h>
11 double xi, yi, x[10], y[10];
13 printf ("#m=0,S=2\n");
15 for (i = 0; i < 10; i++)
17 x[i] = i + 0.5 * sin (i);
18 y[i] = i + cos (i * i);
19 printf ("%g %g\n", x[i], y[i]);
22 printf ("#m=1,S=0\n");
26 = gsl_interp_accel_alloc ();
28 = gsl_spline_alloc (gsl_interp_cspline, 10);
30 gsl_spline_init (spline, x, y, 10);
32 for (xi = x[0]; xi < x[9]; xi += 0.01)
34 yi = gsl_spline_eval (spline, xi, acc);
35 printf ("%g %g\n", xi, yi);
37 gsl_spline_free (spline);
38 gsl_interp_accel_free (acc);