10 lines
139 B
Fortran
10 lines
139 B
Fortran
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subroutine graycode(ia,n,idir,ib)
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integer ia(n),ib(n)
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do i=1,n
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ib(i)=igray(ia(i),idir)
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enddo
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return
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end subroutine graycode
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