betaf Subroutine

public subroutine betaf(p, q, bt)

************80

! BETA computes the Beta function B(p,q).

Licensing:

The original FORTRAN77 version of this routine is copyrighted by 
Shanjie Zhang and Jianming Jin.  However, they give permission to 
incorporate this routine into a user program that the copyright 
is acknowledged.

Modified:

12 March 2012

Author:

Original FORTRAN77 version by Shanjie Zhang, Jianming Jin.
FORTRAN90 version by John Burkardt.

Reference:

Shanjie Zhang, Jianming Jin,
Computation of Special Functions,
Wiley, 1996,
ISBN: 0-471-11963-6,
LC: QA351.C45

Parameters:

Input, real ( kind = 8 ) P, Q, the parameters.
0 < P, 0 < Q.

Output, real ( kind = 8 ) BT, the value of B(P,Q).

Arguments

Type IntentOptional Attributes Name
real(kind=8) :: p
real(kind=8) :: q
real(kind=8) :: bt

Calls

proc~~betaf~~CallsGraph proc~betaf betaf proc~gammaf gammaf proc~betaf->proc~gammaf

Called by

proc~~betaf~~CalledByGraph proc~betaf betaf proc~incob incob proc~incob->proc~betaf