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37 lines
824 B
Fortran
37 lines
824 B
Fortran
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subroutine packprop(k,muf,ccur,cxp,n1)
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! Pack propagation indicators into a 21-bit number.
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! k k-index, 0-9; 10="N/A"
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! muf muf, 2-60 MHz; 0=N/A, 1="none", 61=">60 MHz"
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! ccur up to two current events, each indicated by single
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! or double letter.
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! cxp zero or one expected event, indicated by single or
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! double letter
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character ccur*4,cxp*2
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j=ichar(ccur(1:1))-64
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if(j.lt.0) j=0
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n1=j
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do i=2,4
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if(ccur(i:i).eq.' ') go to 10
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if(ccur(i:i).eq.ccur(i-1:i-1)) then
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n1=n1+26
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else
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j=ichar(ccur(i:i))-64
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if(j.lt.0) j=0
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n1=53*n1 + j
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endif
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enddo
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10 j=ichar(cxp(1:1))-64
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if(j.lt.0) j=0
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if(cxp(2:2).eq.cxp(1:1)) j=j+26
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n1=53*n1 + j
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n1=11*n1 + k
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n1=62*n1 + muf
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return
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end subroutine packprop
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