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False. not. true. else isocnt = isocnt + 1 read(instr,'(2x,a6)')nuc(isocnt) read(instr(9:80),*)mat(isocnt),idum,den(isocnt) endif end do ! Read remaining input ! 57 46 numxtra = 0 do read(16,'(a100)',end=99)xtra(numxtra+1) numxtra = numxtra + 1 end do 99 close(16) return end subroutine plant_seed use kronos_module seed = 1234567890 call random_number(HARVEST=seed) ran = rstart(seed) return end subroutine setup_input use kronos_module ! Open an input file and write header information ! in',status='unknown') write(17,'(a7,'' parm=size=5000000'',/,a100,/,''44groupndf5 latticecell'')')type,title select case (filename) case ('kronos00001') write(17,"('''Nominal (unbiased) case')") case ('kronos00002') write(17,"('''Biased case')") case ('kronos00003') write(17,"('''Maximum case')") case ('kronos00004') write(17,"('''Minimum case')") case default write(17,"('''Random case')") end select !

Seed random number generator call plant_seed 39 ! ! kron',status='unknown') ! ! Begin loop to repeat k-inf calculations a specified number of times sum1 sum2 mean stdv ! ! 4)") k ! ! Call setup_input to set up the input for this case call setup_input call MPI_SSEND(0,0,MPI_INTEGER,k,k,MPI_COMM_WORLD,ierr) numsent = numsent + 1 end do do k = 0,numcases select case (k) ! ! 40 case (0:3) source = k+1 case default source = MPI_ANY_SOURCE ! numcases)then ! 1) then ! error condition set in read_output call MPI_ABORT(MPI_COMM_WORLD,error) call MPI_FINALIZE(ierr) close(44) stop else !

In preparation. 34 APPENDIX A 35 36 KRONOS Fortran-90 Program Listing 37 module kronos_module implicit none integer MAXNUCS,MAXCASES,NUMISOS parameter (MAXNUCS=31, MAXCASES=5000,NUMISOS=1000) integer i, j, k, mat(NUMISOS), nummeas,isocnt,numcases character*6 nucnam(MAXNUCS),nuc(NUMISOS) character*100 title,xtra(2000) character*100 tmpstr character*7 type real m2c(MAXNUCS), sigma(MAXNUCS), den(NUMISOS), tf(38) integer n(MAXNUCS),error,numxtra real temp, randen, ranm2c, caseran, mult, sig, ratio, seed, ran, kinf, sum1, sum2, mean, stdv real, external :: rnor, rstart logical done,fissile(MAXNUCS) character*11 filename !

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