Nodes of different colours represent the following:
Solid arrows point from a file to a file which it depends on. A file
is dependent upon another if the latter must be compiled before the former
can be.
Source Code
program test_utilitiesuse utilitiesimplicit noneinteger,parameter::M=3,N=4real::A(M,N)call random_number(A)A=A-0.5print*,"A ="call print_matrix(A)end program