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Asked: 2026-05-21T09:32:39+00:00

Hey there, I have a code like that: write (filehandle,'(5e14.6)’) & (((my_array(i,j,k,1),i=istart,iend,istep),j=jstart,jend,jstep),k=kstart,kend,kstep) is this

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Hey there,
I have a code like that:

write (filehandle,'(5e14.6)')
     &    (((my_array(i,j,k,1),i=istart,iend,istep),j=jstart,jend,jstep),k=kstart,kend,kstep)

is this a short form for a “do-loop”? I couldn’t find anything about it on google…
Furthermore, I’m getting an error:

forrtl: severe (71): integer divide by
zero Image PC
Routine Line Source
libpthread.so.0 00007F473F0D892B
Unknown Unknown Unknown
libguide.so 00007F473F3CC20E
Unknown Unknown Unknown

when executing the program (program is parallelized with OpenMP) about THIS line (removing the line removes the error-msg). What could be the cause about it?
Thanks!

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1 Answer

  1. Editorial Team

    As already answered, that is an implicit do-loop.

    Could istep, jstep or kstep by zero? That might lead to integer divide by zero, as the program tried to compute the number of loop iterations.

    Does the program run correctly when you compile without OpenMP?

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