diff options
Diffstat (limited to 'gsl-1.9/doc/examples/randwalk.c')
-rw-r--r-- | gsl-1.9/doc/examples/randwalk.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/gsl-1.9/doc/examples/randwalk.c b/gsl-1.9/doc/examples/randwalk.c new file mode 100644 index 0000000..588aa50 --- /dev/null +++ b/gsl-1.9/doc/examples/randwalk.c @@ -0,0 +1,29 @@ +#include <stdio.h> +#include <gsl/gsl_rng.h> +#include <gsl/gsl_randist.h> + +int +main (void) +{ + int i; + double x = 0, y = 0, dx, dy; + + const gsl_rng_type * T; + gsl_rng * r; + + gsl_rng_env_setup(); + T = gsl_rng_default; + r = gsl_rng_alloc (T); + + printf ("%g %g\n", x, y); + + for (i = 0; i < 10; i++) + { + gsl_ran_dir_2d (r, &dx, &dy); + x += dx; y += dy; + printf ("%g %g\n", x, y); + } + + gsl_rng_free (r); + return 0; +} |