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! JYV computes Bessel functions Jv(x) and Yv(x) and their derivatives.
Licensing:
This routine is copyrighted by Shanjie Zhang and Jianming Jin. However,
they give permission to incorporate this routine into a user program
provided that the copyright is acknowledged.
Modified:
02 August 2012
Author:
Shanjie Zhang, Jianming Jin
Reference:
Shanjie Zhang, Jianming Jin,
Computation of Special Functions,
Wiley, 1996,
ISBN: 0-471-11963-6,
LC: QA351.C45.
Parameters:
Input, real ( kind = 8 ) V, the order of Jv(x) and Yv(x).
Input, real ( kind = 8 ) X, the argument of Jv(x) and Yv(x).
Output, real ( kind = 8 ) VM, the highest order computed.
Output, real ( kind = 8 ) BJ(0:N), DJ(0:N), BY(0:N), DY(0:N),
the values of Jn+v0(x), Jn+v0'(x), Yn+v0(x), Yn+v0'(x).
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| real(kind=8) | :: | v | ||||
| real(kind=8) | :: | x | ||||
| real(kind=8) | :: | vm | ||||
| real(kind=8) | :: | bj(0:*) | ||||
| real(kind=8) | :: | dj(0:*) | ||||
| real(kind=8) | :: | by(0:*) | ||||
| real(kind=8) | :: | dy(0:*) |