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Old 09-04-2016, 06:18 PM   #1
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Fortran 90 compiler

Few years ago, I had been using fortran 90 on Red hat linux and it was working perfectly. I quit computation job for a while and now I am back to it. However, I switched to Ubuntu 16.4 and I installed gfortran but can't compile my program that I used to do it very easily. It seems that gfortran is not compatible with intel compiler. I used I use the command
f95 -O3 -C -tpp7 instead of ifort -O3 -C -tpp7. it compiles some modules but not all the way through. I get the following

guest-9xtqgp@majeed-ubuntu:~/binary100_C_azeo$ make clean

Removing all automatically generated files ...

guest-9xtqgp@majeed-ubuntu:~/binary100_C_azeo$ make
f95 -O3 -c globals.f90
f95 -O3 -c build_system.f90
f95 -O3 -c update.f90
f95 -O3 -c eventTree.f90
f95 -O3 -c process.f90
f95 -O3 -c run_system.f90
f95 -O3 -c crystal_melt.f90

call random_seed(PUT=iseed)
Error: Size of ‘put’ argument of ‘random_seed’ intrinsic at (1) too small (2/12)
makefile:38: recipe for target 'crystal_melt.o' failed
make: *** [crystal_melt.o] Error 1

Any clue of how I can fix this problem.

Thanks in advance
Old 09-04-2016, 08:13 PM   #2
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You might check the fortran 95 reference. There are three options to the subroutine - and the PUT array size has to be greater than or equal to the size option.

The reference has an example of determining what the size must be:
1 members found this post helpful.
Old 09-05-2016, 04:47 AM   #3
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I changed the iseed(2) to iseed(12) and it did work without error and could generate executable file.
Many thanks to you ipollard.


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