#include <math.h>
float y1f(float x);
float y1f
The y1f() function is identical to y1(), except that the argument x and the return value is a float.
See y1().
j0(), j0f(), j0l(), j1(), j1f(), j1l(), jn(), jnf(), jnl(), y0(), y0f(), y0l(), y1(), y1l(), yn(), ynf(), ynl()