source:
trunk/libf/filtrez/eigen_sort.F
@
20
| Last change on this file since 20 was 1, checked in by , 15 years ago | |
|---|---|
| File size: 538 bytes | |
| Line | |
|---|---|
| 1 | ! |
| 2 | ! $Header$ |
| 3 | ! |
| 4 | SUBROUTINE eigen_sort(d,v,n,np) |
| 5 | INTEGER n,np |
| 6 | REAL d(np),v(np,np) |
| 7 | INTEGER i,j,k |
| 8 | REAL p |
| 9 | |
| 10 | DO i=1,n-1 |
| 11 | k=i |
| 12 | p=d(i) |
| 13 | DO j=i+1,n |
| 14 | IF(d(j).ge.p) THEN |
| 15 | k=j |
| 16 | p=d(j) |
| 17 | ENDIF |
| 18 | ENDDO |
| 19 | |
| 20 | IF(k.ne.i) THEN |
| 21 | d(k)=d(i) |
| 22 | d(i)=p |
| 23 | DO j=1,n |
| 24 | p=v(j,i) |
| 25 | v(j,i)=v(j,k) |
| 26 | v(j,k)=p |
| 27 | ENDDO |
| 28 | ENDIF |
| 29 | ENDDO |
| 30 | |
| 31 | RETURN |
| 32 | END |
Note: See TracBrowser
for help on using the repository browser.
