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41 lines
1.4 KiB

subroutine runCY_0000i1i2i3(k,l,i1,i2,i3,Xtwiddle,Gtwiddle,
. Shat7zz,N0)
implicit none
C--- Expression for Eq. 5.60d
C--- Calculates C0000i1i2i3, requires C0000li1i2,C0000li2i3,C0000li3i1
C--- Small terms of order Xtwiddle(0,k)*C00iiii,Xtwiddle(0,0)*C00iiiii
C--- Denominator Gtwiddle(k,l)
include 'lib/TensorReduction/Include/types.f'
include 'lib/TensorReduction/Include/pvCnames.f'
include 'lib/TensorReduction/Include/pvCv.f'
include 'lib/TensorReduction/recur/Include/Carraydef.f'
include 'lib/TensorReduction/recur/Include/Carrays.f'
integer ep,N0,k,l,i1,i2,i3,np
parameter(np=2)
real(dp):: Xtwiddle(0:np,0:np),Gtwiddle(np,np)
complex(dp):: Shat7zz(np,z4max,-2:0)
if ( (i1 .eq. l) .or. (i2 .eq. l).or. (i3 .eq. l)
. .or. (i1 .eq. 0) .or. (i2 .eq. 0).or. (i3 .eq. 0)) then
return
endif
do ep=-2,0
Cv(czzzziii(z3(i1,i2,i3))+N0,ep)=
. +(-2d0*Gtwiddle(k,i1)*Cv(czzzziii(z3(l,i2,i3))+N0,ep)
. -2d0*Gtwiddle(k,i2)*Cv(czzzziii(z3(l,i1,i3))+N0,ep)
. -2d0*Gtwiddle(k,i3)*Cv(czzzziii(z3(l,i1,i2))+N0,ep)
. +Gtwiddle(k,1)*Shat7zz(1,z4(l,i1,i2,i3),ep)
. +Gtwiddle(k,2)*Shat7zz(2,z4(l,i1,i2,i3),ep)
. +Xtwiddle(k,0)*Cv(czziiii(z4(l,i1,i2,i3))+N0,ep)
. -Xtwiddle(0,0)*Cv(czziiiii(z5(k,l,i1,i2,i3))+N0,ep))
. /(2d0*Gtwiddle(k,l))
enddo
return
end