| |
| c--------------------------------------------------------------------- |
| c--------------------------------------------------------------------- |
| |
| subroutine domain |
| |
| c--------------------------------------------------------------------- |
| c--------------------------------------------------------------------- |
| |
| implicit none |
| |
| include 'applu.incl' |
| |
| c--------------------------------------------------------------------- |
| c local variables |
| c--------------------------------------------------------------------- |
| |
| |
| nx = nx0 |
| ny = ny0 |
| nz = nz0 |
| |
| c--------------------------------------------------------------------- |
| c check the sub-domain size |
| c--------------------------------------------------------------------- |
| if ( ( nx .lt. 4 ) .or. |
| > ( ny .lt. 4 ) .or. |
| > ( nz .lt. 4 ) ) then |
| write (*,2001) nx, ny, nz |
| 2001 format (5x,'SUBDOMAIN SIZE IS TOO SMALL - ', |
| > /5x,'ADJUST PROBLEM SIZE OR NUMBER OF PROCESSORS', |
| > /5x,'SO THAT NX, NY AND NZ ARE GREATER THAN OR EQUAL', |
| > /5x,'TO 4 THEY ARE CURRENTLY', 3I3) |
| stop |
| end if |
| |
| if ( ( nx .gt. isiz1 ) .or. |
| > ( ny .gt. isiz2 ) .or. |
| > ( nz .gt. isiz3 ) ) then |
| write (*,2002) nx, ny, nz |
| 2002 format (5x,'SUBDOMAIN SIZE IS TOO LARGE - ', |
| > /5x,'ADJUST PROBLEM SIZE OR NUMBER OF PROCESSORS', |
| > /5x,'SO THAT NX, NY AND NZ ARE LESS THAN OR EQUAL TO ', |
| > /5x,'ISIZ1, ISIZ2 AND ISIZ3 RESPECTIVELY. THEY ARE', |
| > /5x,'CURRENTLY', 3I4) |
| stop |
| end if |
| |
| c--------------------------------------------------------------------- |
| c set up the start and end in i and j extents for all processors |
| c--------------------------------------------------------------------- |
| ist = 2 |
| iend = nx - 1 |
| |
| jst = 2 |
| jend = ny - 1 |
| |
| ii1 = 2 |
| ii2 = nx0 - 1 |
| ji1 = 2 |
| ji2 = ny0 - 2 |
| ki1 = 3 |
| ki2 = nz0 - 1 |
| |
| return |
| end |
| |
| |
