2019-09-14 14:32:41 +02:00
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BEGIN_PROVIDER [ double precision, tau_cc, (spin_occ_num,spin_occ_num,spin_vir_num,spin_vir_num) ]
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implicit none
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BEGIN_DOC
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! Tau in CCSD
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END_DOC
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2019-09-11 17:09:30 +02:00
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2019-09-14 14:32:41 +02:00
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integer :: i,j,a,b
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2019-09-11 17:09:30 +02:00
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2019-09-14 14:15:25 +02:00
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do b=1,spin_vir_num
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do a=1,spin_vir_num
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do j=1,spin_occ_num
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do i=1,spin_occ_num
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2019-09-11 17:09:30 +02:00
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2019-09-14 14:32:41 +02:00
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tau_cc(i,j,a,b) = t2_cc(i,j,a,b) + t1_cc(i,a)*t1_cc(j,b) - t1_cc(i,b)*t1_cc(j,a)
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2019-09-11 17:09:30 +02:00
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enddo
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enddo
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enddo
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enddo
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2019-09-14 14:32:41 +02:00
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END_PROVIDER
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