Mercurial > octave-nkf
annotate examples/fortsub.f @ 6909:fc55a5e1760b ss-2-9-14
[project @ 2007-09-17 20:47:40 by jwe]
| author | jwe |
|---|---|
| date | Mon, 17 Sep 2007 20:47:41 +0000 |
| parents | 8e7148b84b59 |
| children | 4270ded9ddc6 |
| rev | line source |
|---|---|
| 6572 | 1 subroutine fortsub (n, a, s) |
| 2 implicit none | |
| 3 character*(*) s | |
| 4 real*8 a(*) | |
| 5 integer*4 i, n, ioerr | |
| 6 do i = 1, n | |
| 7 if (a(i) .eq. 0d0) then | |
| 8 call xstopx ('fortsub: divide by zero') | |
| 9 else | |
| 10 a(i) = 1d0 / a(i) | |
| 11 endif | |
| 12 enddo | |
| 13 write (unit = s, fmt = '(a,i3,a,a)', iostat = ioerr) | |
| 14 $ 'There are ', n, ' values in the input vector', | |
| 15 $ char(0) | |
| 16 if (ioerr .ne. 0) then | |
| 17 call xstopx ('fortsub: error writing string') | |
| 18 endif | |
| 19 return | |
| 20 end | |
| 21 |