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42 lines
1.4 KiB
42 lines
1.4 KiB
subroutine runY_0000i1i2i3(k,l,i1,i2,i3,Xtwiddle,Gtwiddle,
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. Shat7zz,N0)
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implicit none
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C--- Expression for Eq. 5.60d
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C--- Calculates D0000i1i2i3, requires D0000li1i2,D0000li2i3,D0000li3i1
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C--- Small terms of order Xtwiddle(0,k)*D00iiii,Xtwiddle(0,0)*D00iiiii
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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,i2,i3,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):: Shat7zz(np,z4max,-2:0)
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if ( (i1 .eq. l) .or. (i2 .eq. l).or. (i3 .eq. l)
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. .or. (i1 .eq. 0) .or. (i2 .eq. 0).or. (i3 .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(dzzzziii(z3(i1,i2,i3))+N0,ep)=
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. +(-2d0*Gtwiddle(k,i1)*Dv(dzzzziii(z3(l,i2,i3))+N0,ep)
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. -2d0*Gtwiddle(k,i2)*Dv(dzzzziii(z3(l,i1,i3))+N0,ep)
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. -2d0*Gtwiddle(k,i3)*Dv(dzzzziii(z3(l,i1,i2))+N0,ep)
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. +Gtwiddle(k,1)*Shat7zz(1,z4(l,i1,i2,i3),ep)
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. +Gtwiddle(k,2)*Shat7zz(2,z4(l,i1,i2,i3),ep)
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. +Gtwiddle(k,3)*Shat7zz(3,z4(l,i1,i2,i3),ep)
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. +Xtwiddle(k,0)*Dv(dzziiii(z4(l,i1,i2,i3))+N0,ep)
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. -Xtwiddle(0,0)*Dv(dzziiiii(z5(k,l,i1,i2,i3))+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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