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77 lines
2.7 KiB
77 lines
2.7 KiB
subroutine run_00iiii(k,l,i1,i2,i3,i4,DetGr,f,Gtwiddle,Gtt,
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. Shat5,Shat6,S00iiii,Shat6zz,N0)
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C------Fixes D00iiii
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C-----knowing D00iii,D0000ii with correction of order Delta Diiiiii
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implicit none
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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,k,l,n,m,i1,i2,i3,i4,np
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parameter(np=3)
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real(dp):: DetGr,Gtwiddle(np,np),Gtt(np,np,np,np),f(np)
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complex(dp):: S00iiii(z4max,-2:0),Shat6zz(np,z3max,-2:0),
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. Shat5(np,z4max,-2:0),Shat6(np,z5max,-2:0),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
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. +Gtt(k,n,l,m)*(f(n)*Shat5(m,z4(i1,i2,i3,i4),ep)
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. +2*(delta(n,i1)*Shat6zz(m,z3(i2,i3,i4),ep)
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. +delta(n,i2)*Shat6zz(m,z3(i1,i3,i4),ep)
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. +delta(n,i3)*Shat6zz(m,z3(i1,i2,i4),ep)
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. +delta(n,i4)*Shat6zz(m,z3(i1,i2,i3),ep))
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. -f(n)*f(m)*Dv(diiii(z4(i1,i2,i3,i4))+N0,ep)
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. -2*(f(n)*delta(m,i1)+f(m)*delta(n,i1))
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. *Dv(dzziii(z3(i2,i3,i4))+N0,ep)
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. -2*(f(n)*delta(m,i2)+f(m)*delta(n,i2))
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. *Dv(dzziii(z3(i1,i3,i4))+N0,ep)
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. -2*(f(n)*delta(m,i3)+f(m)*delta(n,i3))
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. *Dv(dzziii(z3(i1,i2,i4))+N0,ep)
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. -2*(f(n)*delta(m,i4)+f(m)*delta(n,i4))
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. *Dv(dzziii(z3(i1,i2,i3))+N0,ep)
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. -4*(delta(n,i1)*delta(m,i2)+delta(n,i2)*delta(m,i1))
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. *Dv(dzzzzii(z2(i3,i4))+N0,ep)
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. -4*(delta(n,i1)*delta(m,i3)+delta(n,i3)*delta(m,i1))
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. *Dv(dzzzzii(z2(i2,i4))+N0,ep)
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. -4*(delta(n,i1)*delta(m,i4)+delta(n,i4)*delta(m,i1))
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. *Dv(dzzzzii(z2(i2,i3))+N0,ep)
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. -4*(delta(n,i2)*delta(m,i3)+delta(n,i3)*delta(m,i2))
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. *Dv(dzzzzii(z2(i1,i4))+N0,ep)
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. -4*(delta(n,i2)*delta(m,i4)+delta(n,i4)*delta(m,i2))
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. *Dv(dzzzzii(z2(i1,i3))+N0,ep)
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. -4*(delta(n,i3)*delta(m,i4)+delta(n,i4)*delta(m,i3))
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. *Dv(dzzzzii(z2(i1,i2))+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)
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. pole=-4*Gtwiddle(k,l)*Dv(dzziiii(z4(i1,i2,i3,i4))+N0,ep-1)
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Dv(dzziiii(z4(i1,i2,i3,i4))+N0,ep)=
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. -(pole
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. +DetGr*Dv(diiiiii(z6(k,l,i1,i2,i3,i4))+N0,ep)
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. -Gtwiddle(k,l)*S00iiii(z4(i1,i2,i3,i4),ep)
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. -Gtwiddle(1,l)*Shat6(1,z5(k,i1,i2,i3,i4),ep)
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. -Gtwiddle(2,l)*Shat6(2,z5(k,i1,i2,i3,i4),ep)
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. -Gtwiddle(3,l)*Shat6(3,z5(k,i1,i2,i3,i4),ep)
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. +Gtwiddle(k,l)
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. *(Shat6(1,z5(1,i1,i2,i3,i4),ep)
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. +Shat6(2,z5(2,i1,i2,i3,i4),ep)
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. +Shat6(3,z5(3,i1,i2,i3,i4),ep))
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. +bit)/(20d0*Gtwiddle(k,l))
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enddo
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return
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end
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