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24 lines
453 B
FortranFixed
24 lines
453 B
FortranFixed
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subroutine flat2(ss,n,nsum)
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real ss(1024)
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real ref(1024)
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real tmp(1024)
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nsmo=20
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base=50*(float(nsum)**1.5)
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ia=nsmo+1
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ib=n-nsmo-1
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do i=ia,ib
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call pctile(ss(i-nsmo),tmp,2*nsmo+1,50,ref(i))
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enddo
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call pctile(ref(ia),tmp,ib-ia+1,50,base2)
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if(base2.gt.0.1*base) then
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do i=ia,ib
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ss(i)=base*ss(i)/ref(i)
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enddo
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endif
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return
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end
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