mirror of https://github.com/saitohirga/WSJT-X.git
40 lines
808 B
Fortran
40 lines
808 B
Fortran
subroutine interleave9(ia,ndir,ib)
|
|
integer*1 ia(0:205),ib(0:205)
|
|
integer j0(0:205)
|
|
logical first
|
|
data first/.true./
|
|
save first,j0 !Save not working, or j0 overwritten ???
|
|
|
|
if(first) then
|
|
k=-1
|
|
do i=0,255
|
|
m=i
|
|
n=iand(m,1)
|
|
n=2*n + iand(m/2,1)
|
|
n=2*n + iand(m/4,1)
|
|
n=2*n + iand(m/8,1)
|
|
n=2*n + iand(m/16,1)
|
|
n=2*n + iand(m/32,1)
|
|
n=2*n + iand(m/64,1)
|
|
n=2*n + iand(m/128,1)
|
|
if(n.le.205) then
|
|
k=k+1
|
|
j0(k)=n
|
|
endif
|
|
enddo
|
|
! first=.false.
|
|
endif
|
|
|
|
if(ndir.gt.0) then
|
|
do i=0,205
|
|
ib(j0(i))=ia(i)
|
|
enddo
|
|
else
|
|
do i=0,205
|
|
ib(i)=ia(j0(i))
|
|
enddo
|
|
endif
|
|
|
|
return
|
|
end subroutine interleave9
|