Fixed issue with .gitigore file that was causing new source code file…

…s from being added

.gitignore

@@ -1,11 +1,12 @@
 *
-/**
+!src/
+!src/*/
+!*.f90
 !.gitignore
 !CMakeLists.txt
 !distclean.cmake
 !README.md
 !version.txt
-!src/**.f90
 !ctem/**.py
 !cmake/Modules/*.cmake
 !pyproject.toml

src/main/ctem_driver.f90

@@ -0,0 +1,193 @@
+!**********************************************************************************************************************************
+!
+!  Unit Name   : CTEM
+!  Unit Type   : program
+!  Project     : CTEM
+!  Language    : Fortran 2003
+!
+!  Description : The Cratered Terrain Evolution Model
+!
+! 
+!  Notes       :  This is the main function, which serves mainly to set up the
+!  runs and handle input and output. Actually cratering is performed in the 
+!  crater_populate subroutine
+!
+!**********************************************************************************************************************************
+module driver
+   public
+
+   contains
+
+   subroutine ctem_driver()
+      use module_globals   
+      use module_io
+      use module_init
+      use module_crater
+      use module_seismic
+      use module_ejecta
+      use module_util
+      use module_regolith
+      !$ USE omp_lib
+      implicit none
+
+      ! User input variables
+      type(usertype) :: user
+
+      ! Domain size variables
+      type(domaintype) :: domain
+
+      ! Surface expression grid arrays
+      type(surftype),dimension(:,:),allocatable :: surf
+
+      ! Crater properties
+      type(cratertype) :: crater
+
+      ! Distribution arrays
+      real(DP),dimension(:,:),allocatable  :: prod,vdist,pdist,crtscl,truedist,obsdist,truelist,rclist
+      real(DP),dimension(:),allocatable :: obslist
+      real(SP),dimension(:),allocatable :: depthdiam
+      real(DP),dimension(:),allocatable :: degradation_state
+      real(SP),dimension(:,:),allocatable :: oposlist
+      integer(I8B),dimension(:),allocatable :: production_list
+      ! Miscellaneous variables
+      character(STRMAX)       :: infile   ! Input file name
+      logical                 :: restart  ! F = new run (start with a fresh surface)
+      integer(I8B)            :: totalimpacts ! Total number of impacts ever produced 
+      integer(I4B)            :: ncount   ! Current count in ctem_driver IDL run
+      integer(I4B)            :: n, xp, yp, i        ! Size of random number generator seed array
+      real(DP)                :: curyear
+      real(DP)                :: mass
+      real(DP)                :: masstot
+      real(DP)                :: fracdone
+      integer(I4B)            :: ntrue
+      integer(I4B)            :: vistrue
+      integer(I4B)            :: nkilled
+      integer(I4B)            :: ntotkilled 
+      integer(I8B)            :: ntotcrat
+      integer(I4B)            :: onum
+      real(DP)                :: lambda
+      !$ real(DP)             :: t1,t2
+      real(DP),dimension(:,:),allocatable :: nflux
+      integer(I4B)            :: narg, ierr 
+
+      !$ t1 = omp_get_wtime()
+      call io_splash()
+      narg = command_argument_count() 
+      if (narg /= 0) then
+         call get_command_argument(1, infile, status = ierr) ! Use first argument as the user input file name
+      else
+         infile = USERFILE ! No arguments, so use the default file name for the user inputs
+      end if
+      write(*,*) 'Reading input file ',trim(adjustl(infile))
+      call io_input(infile,user)
+
+      ! Initialize distribution arrays (crater size, number)
+      !write(*,*) 'Initializing arrays'
+      call init_dist(user,domain)
+
+      allocate(prod(4,domain%pnum))
+      allocate(nflux(3,domain%pnum))
+      allocate(crtscl(2,domain%pnum))
+      allocate(vdist(3,domain%vnum))
+      allocate(rclist(6,domain%rcnum))
+      allocate(surf(user%gridsize,user%gridsize))
+      allocate(production_list(domain%pnum))
+
+      ! Read in production impactor population
+      call io_read_prod(prod,user,domain)
+
+      ! Read in impactor velocity distribution
+      call io_read_vdist(vdist,user,domain)
+
+      ! Read in real crater list for quasi-MC run
+      if (user%doquasimc) call io_read_craterlist(rclist,user,domain)
+      !write(*,*) rclist
+
+      write(*,*) "Initializing simulation domain and determining minimum impactor size"
+      call init_domain(user,crater,domain,prod,pdist,vdist,crtscl,nflux)
+
+      allocate(truedist(6,domain%distl+1))
+      allocate(obsdist(6,domain%distl+1))
+
+      ! Reset random number generator
+      call random_seed
+      call random_seed(size=n)
+      allocate(crater%seedarr(n))
+      call io_read_const(totalimpacts,ncount,curyear,restart,fracdone,masstot,crater%seedarr)
+      call random_seed(put=crater%seedarr)
+
+      ! Read in old grid arrays, production function, and velocity distributions
+      if (restart .or. user%tallyonly) then
+         call io_read_surf(user,surf,domain)
+      else
+         call init_surf(user,surf,domain)
+      end if
+
+      if (.not.user%tallyonly) then
+
+         ! Make all the craters!
+         if (user%testflag) then
+            ntotcrat = 1
+         else
+            call crater_make_list(domain,prod,ntotcrat,production_list)
+         end if
+         call crater_populate(user,surf,crater,domain,prod,production_list,vdist,ntrue,vistrue,ntotkilled,truelist,mass,&
+                              fracdone,nflux,ntotcrat,curyear,rclist)
+
+         ! Get the last seed and save it to file
+         totalimpacts = totalimpacts + ntotcrat
+         call io_write_const(totalimpacts,ncount,curyear,restart,fracdone,masstot,crater%seedarr)
+         call crater_tally_true(domain,truelist(:,1:ntrue),ntrue,truedist)
+      end if
+
+      if (ntrue > 0) then
+         write(*,*) "Tallying craters"
+         if (.not.user%tallyonly) then
+            write(*,*) "Total craters generated:               ",ntotcrat
+            write(*,*) "Surface-affecting craters generated:   ",ntrue
+            write(*,*) "Visible craters generated:             ",vistrue
+         end if
+         call crater_tally_observed(user,surf,domain,nkilled,onum,obsdist,obslist,oposlist,depthdiam,degradation_state)
+         ntotkilled = ntotkilled + nkilled
+         write(*,*) 'Craters killed during tally: ',ntotkilled
+         call io_write_tally(truedist,truelist(:,1:ntrue),obsdist,obslist,oposlist,depthdiam,degradation_state)
+         if (.not.user%tallyonly) then
+            write(*,*) "Writing surface files"
+            call io_write_surf(user,surf,domain)
+         end if
+
+         if (user%testflag) then ! Draw a profile across the crater
+            call io_crater_profile(user,surf)
+         end if
+      end if
+      write(*,*) 'Writing output files'
+
+      call io_write_dist(pdist,crtscl,domain,mass)
+
+      if (user%doregotrack) then
+         do yp = 1, user%gridsize
+            do xp = 1, user%gridsize
+               !call util_destroy_list(surf(xp,yp)%regolayer)
+               deallocate(surf(xp,yp)%regolayer)
+            end do
+         end do
+      end if
+
+      ! If doporosity is true, then destroy the linked list for porosity
+      ! if (user%doporosity) then
+      !    do yp = 1, user%gridsize
+      !       do xp = 1, user%gridsize
+      !          call util_destroy_list(surf(xp,yp)%porolayer)
+      !       end do
+      !    end do
+      ! end if
+
+
+      !$ t2 = omp_get_wtime()
+      !$ write(*,*) 'Timing information'
+      !$ write(*,*) 'nthreads walltime'
+      !$ write(*,*) nthreads,t2-t1
+
+   end subroutine ctem_driver
+
+end module driver