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43 lines
1.2 KiB
43 lines
1.2 KiB
subroutine runY_i(i,j,i1,f,Xtwiddle,Gtt,Gtwiddle,Shat2,Czero1,N0)
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implicit none
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C--- Expression for Eq. 5.57
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C--- Calculates Di, requires D00i
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C--- Small terms of order Xtwiddle(0,j)*Dii
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C--- Denominator Xtwiddle(i,j)
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include 'lib/TensorReduction/Include/types.f'
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include 'lib/TensorReduction/Include/TRconstants.f'
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include 'lib/TensorReduction/Include/pvDnames.f'
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include 'lib/TensorReduction/Include/pvDv.f'
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include 'lib/TensorReduction/recur/Include/Darraydef.f'
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include 'lib/TensorReduction/recur/Include/Darrays.f'
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integer ep,N0,i,j,i1,n,m,np
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parameter(np=3)
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real(dp):: Xtwiddle(0:np,0:np),
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. Gtwiddle(np,np),f(np),Gtt(np,np,np,np)
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complex(dp):: Shat2(np,z1max,-2:0),Czero1(z1max,-2:0),
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. bit,pole
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do ep=-2,0
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bit=czip
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do n=1,np
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do m=1,np
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bit=bit+Gtt(i,n,j,m)*f(n)
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. *(Shat2(m,i1,ep)-2d0*delta(m,i1)*Dv(dd00+N0,ep))
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enddo
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enddo
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pole=czip
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if (ep .gt. -2) pole=-4*Dv(dzzi(i1)+N0,ep-1)
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Dv(di(i1)+N0,ep)=
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. (Gtwiddle(i,j)*(4d0*Dv(dzzi(i1)+N0,ep)+pole-Czero1(i1,ep))
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. +bit+Xtwiddle(0,j)*Dv(dii(z2(i,i1))+N0,ep))/Xtwiddle(i,j)
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enddo
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return
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end
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