|
Last change
on this file since 5407 was
3331,
checked in by acozic, 7 years ago
|
|
Add modification for isotopes
|
-
Property svn:executable set to
*
|
|
File size:
722 bytes
|
| Rev | Line | |
|---|
| [3331] | 1 | |
|---|
| 2 | ! $Header$ |
|---|
| 3 | |
|---|
| 4 | SUBROUTINE ran0_vec(npoints, idum, ran0) |
|---|
| 5 | |
|---|
| 6 | ! $Id: ran0_vec.F90 1992 2014-03-05 13:19:12Z lguez $ |
|---|
| 7 | ! Platform independent random number generator from |
|---|
| 8 | ! Numerical Recipies |
|---|
| 9 | ! Mark Webb July 1999 |
|---|
| 10 | |
|---|
| 11 | IMPLICIT NONE |
|---|
| 12 | |
|---|
| 13 | INTEGER j, npoints, idum(npoints), ia, im, iq, ir, k(npoints) |
|---|
| 14 | REAL ran0(npoints), am |
|---|
| 15 | |
|---|
| 16 | PARAMETER (ia=16807, im=2147483647, am=1.0/im, iq=127773, ir=2836) |
|---|
| 17 | |
|---|
| 18 | ! do j=1,npoints |
|---|
| 19 | ! if (idum(j).eq.0) then |
|---|
| 20 | ! write(6,*) 'idum=',idum |
|---|
| 21 | ! write(6,*) 'ZERO seed not allowed' |
|---|
| 22 | ! stop |
|---|
| 23 | ! endif |
|---|
| 24 | ! enddo |
|---|
| 25 | |
|---|
| 26 | DO j = 1, npoints |
|---|
| 27 | k(j) = idum(j)/iq |
|---|
| 28 | idum(j) = ia*(idum(j)-k(j)*iq) - ir*k(j) |
|---|
| 29 | IF (idum(j)<0) idum(j) = idum(j) + im |
|---|
| 30 | ran0(j) = am*idum(j) |
|---|
| 31 | END DO |
|---|
| 32 | |
|---|
| 33 | END SUBROUTINE ran0_vec |
|---|
| 34 | |
|---|
Note: See
TracBrowser
for help on using the repository browser.
