1 files changed, 11 insertions, 0 deletions
diff --git a/gsl-1.9/doc/examples/intro.c b/gsl-1.9/doc/examples/intro.c
new file mode 100644
index 0000000..bd28482
--- /dev/null
+++ b/gsl-1.9/doc/examples/intro.c
@@ -0,0 +1,11 @@
+#include <stdio.h>
+#include <gsl/gsl_sf_bessel.h>
+
+int
+main (void)
+{
+  double x = 5.0;
+  double y = gsl_sf_bessel_J0 (x);
+  printf ("J0(%g) = %.18e\n", x, y);
+  return 0;
+}