      SUBROUTINE ccsdt_y_tr1_6(d_a,k_a_offset,d_b,k_b_offset,d_c,k_c_off
     &set)
C     $Id$
C     This is a Fortran77 program generated by Tensor Contraction Engine v.1.0
C     Copyright (c) Battelle & Pacific Northwest National Laboratory (2002)
C     i0 ( h2 p1 )_vtry + = -1/2 * Sum ( p9 h11 h12 ) * y ( h11 h12 p1 p9 )_y * i1 ( h2 p9 h11 h12 )_vtr
      IMPLICIT NONE
#include "global.fh"
#include "mafdecls.fh"
#include "sym.fh"
#include "errquit.fh"
#include "tce.fh"
      INTEGER d_a
      INTEGER k_a_offset
      INTEGER d_b
      INTEGER k_b_offset
      INTEGER d_c
      INTEGER k_c_offset
      INTEGER nxtask
      INTEGER next
      INTEGER nprocs
      INTEGER count
      INTEGER h2b
      INTEGER p1b
      INTEGER dimc
      INTEGER l_c_sort
      INTEGER k_c_sort
      INTEGER h11b
      INTEGER h12b
      INTEGER p9b
      INTEGER h11b_1
      INTEGER h12b_1
      INTEGER p1b_1
      INTEGER p9b_1
      INTEGER h2b_2
      INTEGER p9b_2
      INTEGER h11b_2
      INTEGER h12b_2
      INTEGER dim_common
      INTEGER dima_sort
      INTEGER dima
      INTEGER dimb_sort
      INTEGER dimb
      INTEGER l_a_sort
      INTEGER k_a_sort
      INTEGER l_a
      INTEGER k_a
      INTEGER l_b_sort
      INTEGER k_b_sort
      INTEGER l_b
      INTEGER k_b
      INTEGER nsuperh(2)
      INTEGER isuperh
      INTEGER l_c
      INTEGER k_c
      DOUBLE PRECISION FACTORIAL
      EXTERNAL nxtask
      EXTERNAL FACTORIAL
      nprocs = GA_NNODES()
      count = 0
      next = nxtask(nprocs,1)
      DO h2b = 1,noab
      DO p1b = noab+1,noab+nvab
      IF (next.eq.count) THEN
      IF ((.not.restricted).or.(int_mb(k_spin+h2b-1)+int_mb(k_spin+p1b-1
     &).ne.4)) THEN
      IF (int_mb(k_spin+h2b-1) .eq. int_mb(k_spin+p1b-1)) THEN
      IF (ieor(int_mb(k_sym+h2b-1),int_mb(k_sym+p1b-1)) .eq. ieor(irrep_
     &v,ieor(irrep_tr,irrep_y))) THEN
      dimc = int_mb(k_range+h2b-1) * int_mb(k_range+p1b-1)
      IF (.not.MA_PUSH_GET(mt_dbl,dimc,'noname',l_c_sort,k_c_sort)) CALL
     & ERRQUIT('ccsdt_y_tr1_6',0,MA_ERR)
      CALL DFILL(dimc,0.0d0,dbl_mb(k_c_sort),1)
      DO h11b = 1,noab
      DO h12b = h11b,noab
      DO p9b = noab+1,noab+nvab
      IF (int_mb(k_spin+h11b-1)+int_mb(k_spin+h12b-1) .eq. int_mb(k_spin
     &+p1b-1)+int_mb(k_spin+p9b-1)) THEN
      IF (ieor(int_mb(k_sym+h11b-1),ieor(int_mb(k_sym+h12b-1),ieor(int_m
     &b(k_sym+p1b-1),int_mb(k_sym+p9b-1)))) .eq. irrep_y) THEN
      CALL TCE_RESTRICTED_4(h11b,h12b,p1b,p9b,h11b_1,h12b_1,p1b_1,p9b_1)
      CALL TCE_RESTRICTED_4(h2b,p9b,h11b,h12b,h2b_2,p9b_2,h11b_2,h12b_2)
      dim_common = int_mb(k_range+h11b-1) * int_mb(k_range+h12b-1) * int
     &_mb(k_range+p9b-1)
      dima_sort = int_mb(k_range+p1b-1)
      dima = dim_common * dima_sort
      dimb_sort = int_mb(k_range+h2b-1)
      dimb = dim_common * dimb_sort
      IF ((dima .gt. 0) .and. (dimb .gt. 0)) THEN
      IF (.not.MA_PUSH_GET(mt_dbl,dima,'noname',l_a_sort,k_a_sort)) CALL
     & ERRQUIT('ccsdt_y_tr1_6',1,MA_ERR)
      IF (.not.MA_PUSH_GET(mt_dbl,dima,'noname',l_a,k_a)) CALL ERRQUIT('
     &ccsdt_y_tr1_6',2,MA_ERR)
      IF ((p9b .lt. p1b)) THEN
      CALL GET_HASH_BLOCK(d_a,dbl_mb(k_a),dima,int_mb(k_a_offset),(p1b_1
     & - noab - 1 + nvab * (p9b_1 - noab - 1 + nvab * (h12b_1 - 1 + noab
     & * (h11b_1 - 1)))))
      CALL TCE_SORT_4(dbl_mb(k_a),dbl_mb(k_a_sort),int_mb(k_range+h11b-1
     &),int_mb(k_range+h12b-1),int_mb(k_range+p9b-1),int_mb(k_range+p1b-
     &1),4,3,2,1,-1.0d0)
      END IF
      IF ((p1b .le. p9b)) THEN
      CALL GET_HASH_BLOCK(d_a,dbl_mb(k_a),dima,int_mb(k_a_offset),(p9b_1
     & - noab - 1 + nvab * (p1b_1 - noab - 1 + nvab * (h12b_1 - 1 + noab
     & * (h11b_1 - 1)))))
      CALL TCE_SORT_4(dbl_mb(k_a),dbl_mb(k_a_sort),int_mb(k_range+h11b-1
     &),int_mb(k_range+h12b-1),int_mb(k_range+p1b-1),int_mb(k_range+p9b-
     &1),3,4,2,1,1.0d0)
      END IF
      IF (.not.MA_POP_STACK(l_a)) CALL ERRQUIT('ccsdt_y_tr1_6',3,MA_ERR)
      IF (.not.MA_PUSH_GET(mt_dbl,dimb,'noname',l_b_sort,k_b_sort)) CALL
     & ERRQUIT('ccsdt_y_tr1_6',4,MA_ERR)
      IF (.not.MA_PUSH_GET(mt_dbl,dimb,'noname',l_b,k_b)) CALL ERRQUIT('
     &ccsdt_y_tr1_6',5,MA_ERR)
      IF ((h2b .le. p9b)) THEN
      CALL GET_HASH_BLOCK(d_b,dbl_mb(k_b),dimb,int_mb(k_b_offset),(h12b_
     &2 - 1 + noab * (h11b_2 - 1 + noab * (p9b_2 - noab - 1 + nvab * (h2
     &b_2 - 1)))))
      CALL TCE_SORT_4(dbl_mb(k_b),dbl_mb(k_b_sort),int_mb(k_range+h2b-1)
     &,int_mb(k_range+p9b-1),int_mb(k_range+h11b-1),int_mb(k_range+h12b-
     &1),1,2,4,3,1.0d0)
      END IF
      IF (.not.MA_POP_STACK(l_b)) CALL ERRQUIT('ccsdt_y_tr1_6',6,MA_ERR)
      nsuperh(1) = 1
      nsuperh(2) = 1
      isuperh = 1
      IF (h11b .eq. h12b) THEN
      nsuperh(isuperh) = nsuperh(isuperh) + 1
      ELSE
      isuperh = isuperh + 1
      END IF
      CALL DGEMM('T','N',dima_sort,dimb_sort,dim_common,2.0d0/FACTORIAL(
     &nsuperh(1))/FACTORIAL(nsuperh(2)),dbl_mb(k_a_sort),dim_common,dbl_
     &mb(k_b_sort),dim_common,1.0d0,dbl_mb(k_c_sort),dima_sort)
      IF (.not.MA_POP_STACK(l_b_sort)) CALL ERRQUIT('ccsdt_y_tr1_6',7,MA
     &_ERR)
      IF (.not.MA_POP_STACK(l_a_sort)) CALL ERRQUIT('ccsdt_y_tr1_6',8,MA
     &_ERR)
      END IF
      END IF
      END IF
      END DO
      END DO
      END DO
      IF (.not.MA_PUSH_GET(mt_dbl,dimc,'noname',l_c,k_c)) CALL ERRQUIT('
     &ccsdt_y_tr1_6',9,MA_ERR)
      CALL TCE_SORT_2(dbl_mb(k_c_sort),dbl_mb(k_c),int_mb(k_range+h2b-1)
     &,int_mb(k_range+p1b-1),1,2,-1.0d0/2.0d0)
      CALL ADD_HASH_BLOCK(d_c,dbl_mb(k_c),dimc,int_mb(k_c_offset),(p1b -
     & noab - 1 + nvab * (h2b - 1)))
      IF (.not.MA_POP_STACK(l_c)) CALL ERRQUIT('ccsdt_y_tr1_6',10,MA_ERR
     &)
      IF (.not.MA_POP_STACK(l_c_sort)) CALL ERRQUIT('ccsdt_y_tr1_6',11,M
     &A_ERR)
      END IF
      END IF
      END IF
      next = nxtask(nprocs,1)
      END IF
      count = count + 1
      END DO
      END DO
      next = nxtask(-nprocs,1)
      call GA_SYNC()
      RETURN
      END
