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save command

save command

save command

(OP)
Hi

I am new to Fortran (but not programming) and understand that the save command causes the variables of a subroutine to become static prior to an end or return statement but I have this in the code I have received:

CODE --> Fortran

include 'parm.h'
      include 'xvar.h'
      data ifirst/0/
      data zMmin/9.945d31/

      save 

This is the first 5 lines of the code, so there is no return or end statement at this point (there are loads of lines to run after this; the bulk of the work!).

I'm assuming that this save simply causes the first 2 variables (ifirst and zMmin) to become static, but not subsequent variables?

RE: save command

Quote (garynewport2)


I'm assuming that this save simply causes the first 2 variables (ifirst and zMmin) to become static, but not subsequent variables?
No, it causes that all variables in the program unit become static.
see:
https://docs.oracle.com/cd/E19957-01/805-4939/6j4m...
https://www.ibm.com/docs/en/xl-fortran-linux/15.1....
http://pages.swcp.com/~walt/fortran_store/Html/Inf...
http://www.lahey.com/docs/lfpro79help/F95ARSAVEStm...
http://rsusu1.rnd.runnet.ru/develop/fortran/prof77...

RE: save command

(OP)
So, the placing of the save command has no relationship to the variables being set to static?
Wow!
Thank you. :)

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