j0

, j0f

, j0l

, j1

, j1f

, j1l

, jn

, jnf

, jnl

- Bessel functions of the first kind

Synopsis

c99 [ flag... ] file... -lm [ library... ]
#include <math.h>

double j0(double x);

float j0f(float x);

long double j0l(long double x);

double j1(double x);

float j1f(float x);

long double j1l(long double x);

double jn(int n, double x);

float jnf(int n, float x);

long double jnl(int n, long double x);

Description

These functions compute Bessel functions of x of the first kind of orders 0, 1 and n respectively.

Return Values

Upon successful completion, these functions return the relevant Bessel value of x of the first kind.

If x is NaN, a NaN is returned.

Errors

No errors are defined.

Attributes

See attributes(5) for descriptions of the following attributes:

For j0(), j1(), and jn(), see standards(5).

See Also

isnan(3M), y0(3M), math.h(3HEAD), attributes(5), standards(5)