test09’s documentation

test09 is compiled by Makefile and it can be run using run.sh. The program uses mod_safe/sub_allocate_array() and mod_safe/sub_save_array_as_PBM(). The correct output should be:

program  test09

Import standard modules …

Use :

iso_fortran_env, mod_safe (sub_allocate_array(), sub_save_array_as_pbm())