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40 lines
1.2 KiB
40 lines
1.2 KiB
subroutine runY_0000li(k,l,i1,Xtwiddle,Gtwiddle,Shat6zz,N0)
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implicit none
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C--- Expression for Eq. 5.58b
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C--- Calculates D0000li, requires D0000ll
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C--- Small terms of order Xtwiddle(0,k)*D00iii,Xtwiddle(0,0)*D00iiii
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C--- Denominator Gtwiddle(k,l)
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include 'lib/TensorReduction/Include/types.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,k,l,i1,np
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parameter(np=3)
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real(dp):: Xtwiddle(0:np,0:np),Gtwiddle(np,np)
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complex(dp):: Shat6zz(np,z3max,-2:0)
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if ((i1 .eq. l) .or. (i1 .eq. 0)) then
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return
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endif
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do ep=-2,0
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Dv(dzzzzii(z2(l,i1))+N0,ep)=
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. (-2d0*Gtwiddle(k,i1)*Dv(dzzzzii(z2(l,l))+N0,ep)
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. +Gtwiddle(k,1)*Shat6zz(1,z3(l,l,i1),ep)
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. +Gtwiddle(k,2)*Shat6zz(2,z3(l,l,i1),ep)
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. +Gtwiddle(k,3)*Shat6zz(3,z3(l,l,i1),ep)
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. +Xtwiddle(0,k)*Dv(dzziii(z3(l,l,i1))+N0,ep)
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. -Xtwiddle(0,0)*Dv(dzziiii(z4(k,l,l,i1))+N0,ep)
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. )/(4d0*Gtwiddle(k,l))
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enddo
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return
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end
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