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26 lines
442 B
Fortran
26 lines
442 B
Fortran
subroutine interleave63(d1,idir)
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! Interleave (idir=1) or de-interleave (idir=-1) the array d1.
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integer d1(0:6,0:8)
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integer d2(0:8,0:6)
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if(idir.ge.0) then
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do i=0,6
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do j=0,8
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d2(j,i)=d1(i,j)
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enddo
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enddo
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call move(d2,d1,63)
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else
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call move(d1,d2,63)
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do i=0,6
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do j=0,8
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d1(i,j)=d2(j,i)
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enddo
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enddo
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endif
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return
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end subroutine interleave63
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