************80
! PBDV computes parabolic cylinder functions Dv(x) and 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:
29 July 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.
Input, real ( kind = 8 ) X, the argument.
Output, real ( kind = 8 ) DV(0:*), DP(0:*), the values of
Dn+v0(x), Dn+v0'(x).
Output, real ( kind = 8 ) PDF, PDD, the values of Dv(x) and Dv'(x).
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| real(kind=8) | :: | v | ||||
| real(kind=8) | :: | x | ||||
| real(kind=8) | :: | dv(0:*) | ||||
| real(kind=8) | :: | dp(0:*) | ||||
| real(kind=8) | :: | |||||
| real(kind=8) | :: | pdd |