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20 lines
297 B
Fortran
20 lines
297 B
Fortran
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subroutine indexx(n,arr,indx)
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parameter (NMAX=3000)
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integer indx(n)
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real arr(n)
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real brr(NMAX)
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if(n.gt.NMAX) then
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print*,'n=',n,' too big in indexx.'
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stop
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endif
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do i=1,n
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brr(i)=arr(i)
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indx(i)=i
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enddo
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call ssort(brr,indx,n,2)
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return
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end subroutine indexx
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