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48 lines
1.5 KiB
48 lines
1.5 KiB
subroutine runCY_0(i,j,f,Xtwiddle,Gtwiddle,Gtt,Shat1,Bzero0,N0)
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implicit none
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C--- Expression for Eq. 5.55
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C--- Calculates C0, requires C00
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C--- Small terms of order Xtwiddle(0,j)*Ci
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C--- Denominator Xtwiddle(i,j)
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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/pvCnames.f'
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include 'lib/TensorReduction/Include/pvCv.f'
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include 'lib/TensorReduction/recur/Include/Carraydef.f'
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include 'lib/TensorReduction/recur/Include/Carrays.f'
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integer ep,N0,i,j,n,m,np
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parameter(np=2)
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real(dp):: Xtwiddle(0:np,0:np),Gtwiddle(np,np),f(np),
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. Gtt(np,np,np,np)
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complex(dp):: Shat1(np,-2:0),Bzero0(-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+Gtt(i,n,j,m)*f(n)*Shat1(m,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) pole=-4d0*Cv(cc00+N0,ep-1)
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Cv(cc0+N0,ep)=
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. (Gtwiddle(i,j)*(4d0*Cv(cc00+N0,ep)+pole-Bzero0(ep))
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. +bit+Xtwiddle(0,j)*Cv(ci(i)+N0,ep))/Xtwiddle(i,j)
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c write(6,*) Gtwiddle(i,j)*(4d0*Cv(cc00+N0,ep))/Xtwiddle(i,j)
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c write(6,*) Gtwiddle(i,j)*(+pole)/Xtwiddle(i,j)
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c write(6,*) Gtwiddle(i,j)*(-Bzero0(ep))/Xtwiddle(i,j)
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c write(6,*) (bit)/Xtwiddle(i,j)
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c write(6,*) (Xtwiddle(0,j)*Cv(ci(i)+N0,ep))/Xtwiddle(i,j)
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c write(6,*)
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enddo
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c write(6,*) 'Cv(cc0)',Cv(cc0+N0,-2),Cv(cc0+N0,-1),Cv(cc0+N0,0)
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c write(6,*) 'bit',Cv(cc0+N0,-2),Cv(cc0+N0,-1),Cv(cc0+N0,0)
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return
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end
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