howmuch.f

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      subroutine howmuch(limit, E0, NN, cosz)
      implicit none
#include  "Zmaxdef.h"
#include "Zobs.h"
#include "Zobsp.h"
#include "Ztrackp.h"
#include "Zincidentp.h"
#include "Zprivate.h"
#include "Zprivate2.h"
                  
      real  E0  ! input primary total energy in GeV
      integer NN ! input primary nucleon number
      real  cosz ! input.  zenith in cos
      real  limit ! input. approx max. number of ptcls
                  !  to be recorded in each area bin

      real depth, depthc, sum, Nx, age, r, depc
      integer idep, ir, j
      integer code
      real*8 cvh2thick


      if( .not. freec ) then
         depc = cvh2thick(heightofinj)*0.1 -55.4
      else
         depc = 0.
      endif

      do idep = 1, ansites
         j = indivdep(idep)
         depth = depthlist(j)*0.1  !  g/cm2
!
!            for very deeply penetrated shower,
!            depth correction needed.
         depthc =max(depth - depc, 50.0)
         do code = 1, 4
            write(0,*) ' code=',code,' depth=',depth,' g/cm^2', 
     *      ' depthc=',depthc
            call crecprob(depthc, code, limit, sngl(dfai), e0, nn,
     *      cosz,   nrbin,  recprob(1, code,  idep),
     *           nptcls(1, code, idep),  age,  sum, nx)

            do ir= 1, nrbin
               r=0.01*10**((ir-1)*0.1)
               write(0, *) r, age, recprob(ir, code,  idep),
     *         nptcls(ir, code,  idep)
            enddo
         enddo
      enddo
      end