double
j0(
double x
)
float
j0f(
float x
)
double
j1(
double x
)
float
j1f(
float x
)
double
jn(
int n
, double x
)
float
jnf(
int n
, float x
)
double
y0(
double x
)
float
y0f(
float x
)
double
y1(
double x
)
float
y1f(
float x
)
double
yn(
int n
, double x
)
float
ynf(
int n
, float x
)
),
j0f(
),
j1(
)
and
j1f(
)
compute the
Bessel function of the first kind of the order
0 and the
order
1, respectively,
for the
real value
x
;
the functions
jn(
)
and
jnf(
)
compute the
Bessel function of the first kind of the integer order
n
for the real value
x
.
The functions
y0(),
y0f(
),
y1(
)
and
y1f(
)
compute the linearly independent
Bessel function of the second kind of the order
0 and the
order
1, respectively,
for the
positive
integer
value
x
(expressed as a double);
the functions
yn()
and
ynf(
)
compute the
Bessel function of the second kind for the integer order
n
for the positive
integer
value
x
(expressed as a double).
EDOM
and a reserve operand fault is generated.
AT&T UNIX
.