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view examples/fortsub.f @ 13512:bc87c8da3efb
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author | Jacob Dawid <jacob.dawid@googlemail.com> |
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date | Mon, 18 Jul 2011 18:29:21 +0200 |
parents | 4295d634797d |
children |
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subroutine fortsub (n, a, s) implicit none character*(*) s real*8 a(*) integer*4 i, n, ioerr do i = 1, n if (a(i) .eq. 0d0) then call xstopx ('fortsub: divide by zero') else a(i) = 1d0 / a(i) endif enddo write (unit = s, fmt = '(a,i3,a,a)', iostat = ioerr) $ 'There are ', n, $ ' values in the input vector', char(0) if (ioerr .ne. 0) then call xstopx ('fortsub: error writing string') endif return end