j0, j0f, j0l, j1, j1f, j1l, jn, jnf, jnl - Bessel functions of the first kind
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);
These functions compute Bessel functions of x of the first kind of orders 0, 1 and n respectively.
Upon successful completion, these functions return the relevant Bessel value of x of the first kind.
If x is NaN, a NaN is returned.
See attributes(5) for descriptions of the following attributes:
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The j0(), j1(), and jn() functions are Standard. The j0f(), j0l(), j1f(), j1l(), jnf(), and jnl() functions are Stable.
isnan(3M), y0(3M), math.h(3HEAD), attributes(5), standards(5)
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