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31 lines
1.1 KiB
31 lines
1.1 KiB
subroutine runY_0000(k,l,Xtwiddle,Gtwiddle,Shat4zz,N0)
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implicit none
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C--- Expression for D0000 obtained from 5.50, following the comment after
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C 5.50 on how to add adding additional "00" pairs
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C--- Calculates D0000
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C--- Small terms of order Xtwiddle(0,k)*D00i,Xtwiddle(0,0)*D00ii
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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,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):: Shat4zz(np,z1max,-2:0)
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do ep=-2,0
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Dv(dd0000+N0,ep) =
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. -(-(Gtwiddle(k,1)*Shat4zz(1,l,ep)
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. +Gtwiddle(k,2)*Shat4zz(2,l,ep)
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. +Gtwiddle(k,3)*Shat4zz(3,l,ep)
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. +Xtwiddle(k,0)*Dv(dzzi(l)+N0,ep)
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. -Xtwiddle(0,0)*Dv(dzzii(z2(k,l))+N0,ep)
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. ))/(2d0*Gtwiddle(k,l))
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enddo
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return
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end
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