      SUBROUTINE ccsdt_y_tr2_21(d_a,k_a_offset,d_b,k_b_offset,d_c,k_c_of
     &fset)
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 ( h3 h4 p1 p2 )_yttrv + = 1/2 * P( 2 ) * Sum ( h9 h6 h8 ) * i1 ( h3 h4 h9 h6 h8 p1 )_yttr * v ( h6 h8 h9 p2 )_v
      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 h3b
      INTEGER h4b
      INTEGER p1b
      INTEGER p2b
      INTEGER dimc
      INTEGER l_c_sort
      INTEGER k_c_sort
      INTEGER h9b
      INTEGER h6b
      INTEGER h8b
      INTEGER h3b_1
      INTEGER h4b_1
      INTEGER h9b_1
      INTEGER p1b_1
      INTEGER h6b_1
      INTEGER h8b_1
      INTEGER h6b_2
      INTEGER h8b_2
      INTEGER p2b_2
      INTEGER h9b_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 nsubh(2)
      INTEGER isubh
      INTEGER l_c
      INTEGER k_c
      DOUBLE PRECISION FACTORIAL
      EXTERNAL nxtask
      EXTERNAL FACTORIAL
      nprocs = GA_NNODES()
      count = 0
      next = nxtask(nprocs,1)
      DO h3b = 1,noab
      DO h4b = h3b,noab
      DO p1b = noab+1,noab+nvab
      DO p2b = noab+1,noab+nvab
      IF (next.eq.count) THEN
      IF ((.not.restricted).or.(int_mb(k_spin+h3b-1)+int_mb(k_spin+h4b-1
     &)+int_mb(k_spin+p1b-1)+int_mb(k_spin+p2b-1).ne.8)) THEN
      IF (int_mb(k_spin+h3b-1)+int_mb(k_spin+h4b-1) .eq. int_mb(k_spin+p
     &1b-1)+int_mb(k_spin+p2b-1)) THEN
      IF (ieor(int_mb(k_sym+h3b-1),ieor(int_mb(k_sym+h4b-1),ieor(int_mb(
     &k_sym+p1b-1),int_mb(k_sym+p2b-1)))) .eq. ieor(irrep_y,ieor(irrep_t
     &,ieor(irrep_tr,irrep_v)))) THEN
      dimc = int_mb(k_range+h3b-1) * int_mb(k_range+h4b-1) * int_mb(k_ra
     &nge+p1b-1) * int_mb(k_range+p2b-1)
      IF (.not.MA_PUSH_GET(mt_dbl,dimc,'noname',l_c_sort,k_c_sort)) CALL
     & ERRQUIT('ccsdt_y_tr2_21',0,MA_ERR)
      CALL DFILL(dimc,0.0d0,dbl_mb(k_c_sort),1)
      DO h9b = 1,noab
      DO h6b = 1,noab
      DO h8b = h6b,noab
      IF (int_mb(k_spin+h3b-1)+int_mb(k_spin+h4b-1)+int_mb(k_spin+h9b-1)
     & .eq. int_mb(k_spin+p1b-1)+int_mb(k_spin+h6b-1)+int_mb(k_spin+h8b-
     &1)) THEN
      IF (ieor(int_mb(k_sym+h3b-1),ieor(int_mb(k_sym+h4b-1),ieor(int_mb(
     &k_sym+h9b-1),ieor(int_mb(k_sym+p1b-1),ieor(int_mb(k_sym+h6b-1),int
     &_mb(k_sym+h8b-1)))))) .eq. ieor(irrep_y,ieor(irrep_t,irrep_tr))) T
     &HEN
      CALL TCE_RESTRICTED_6(h3b,h4b,h9b,p1b,h6b,h8b,h3b_1,h4b_1,h9b_1,p1
     &b_1,h6b_1,h8b_1)
      CALL TCE_RESTRICTED_4(h6b,h8b,p2b,h9b,h6b_2,h8b_2,p2b_2,h9b_2)
      dim_common = int_mb(k_range+h9b-1) * int_mb(k_range+h6b-1) * int_m
     &b(k_range+h8b-1)
      dima_sort = int_mb(k_range+h3b-1) * int_mb(k_range+h4b-1) * int_mb
     &(k_range+p1b-1)
      dima = dim_common * dima_sort
      dimb_sort = int_mb(k_range+p2b-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_tr2_21',1,MA_ERR)
      IF (.not.MA_PUSH_GET(mt_dbl,dima,'noname',l_a,k_a)) CALL ERRQUIT('
     &ccsdt_y_tr2_21',2,MA_ERR)
      IF ((h9b .lt. h3b) .and. (h8b .le. p1b)) THEN
      CALL GET_HASH_BLOCK(d_a,dbl_mb(k_a),dima,int_mb(k_a_offset),(p1b_1
     & - noab - 1 + nvab * (h8b_1 - 1 + noab * (h6b_1 - 1 + noab * (h4b_
     &1 - 1 + noab * (h3b_1 - 1 + noab * (h9b_1 - 1)))))))
      CALL TCE_SORT_6(dbl_mb(k_a),dbl_mb(k_a_sort),int_mb(k_range+h9b-1)
     &,int_mb(k_range+h3b-1),int_mb(k_range+h4b-1),int_mb(k_range+h6b-1)
     &,int_mb(k_range+h8b-1),int_mb(k_range+p1b-1),6,3,2,5,4,1,1.0d0)
      END IF
      IF ((h3b .le. h9b) .and. (h9b .lt. h4b) .and. (h8b .le. p1b)) THEN
      CALL GET_HASH_BLOCK(d_a,dbl_mb(k_a),dima,int_mb(k_a_offset),(p1b_1
     & - noab - 1 + nvab * (h8b_1 - 1 + noab * (h6b_1 - 1 + noab * (h4b_
     &1 - 1 + noab * (h9b_1 - 1 + noab * (h3b_1 - 1)))))))
      CALL TCE_SORT_6(dbl_mb(k_a),dbl_mb(k_a_sort),int_mb(k_range+h3b-1)
     &,int_mb(k_range+h9b-1),int_mb(k_range+h4b-1),int_mb(k_range+h6b-1)
     &,int_mb(k_range+h8b-1),int_mb(k_range+p1b-1),6,3,1,5,4,2,-1.0d0)
      END IF
      IF ((h4b .le. h9b) .and. (h8b .le. p1b)) THEN
      CALL GET_HASH_BLOCK(d_a,dbl_mb(k_a),dima,int_mb(k_a_offset),(p1b_1
     & - noab - 1 + nvab * (h8b_1 - 1 + noab * (h6b_1 - 1 + noab * (h9b_
     &1 - 1 + noab * (h4b_1 - 1 + noab * (h3b_1 - 1)))))))
      CALL TCE_SORT_6(dbl_mb(k_a),dbl_mb(k_a_sort),int_mb(k_range+h3b-1)
     &,int_mb(k_range+h4b-1),int_mb(k_range+h9b-1),int_mb(k_range+h6b-1)
     &,int_mb(k_range+h8b-1),int_mb(k_range+p1b-1),6,2,1,5,4,3,1.0d0)
      END IF
      IF (.not.MA_POP_STACK(l_a)) CALL ERRQUIT('ccsdt_y_tr2_21',3,MA_ERR
     &)
      IF (.not.MA_PUSH_GET(mt_dbl,dimb,'noname',l_b_sort,k_b_sort)) CALL
     & ERRQUIT('ccsdt_y_tr2_21',4,MA_ERR)
      IF (.not.MA_PUSH_GET(mt_dbl,dimb,'noname',l_b,k_b)) CALL ERRQUIT('
     &ccsdt_y_tr2_21',5,MA_ERR)
      IF ((h9b .le. p2b)) THEN
      CALL GET_HASH_BLOCK(d_b,dbl_mb(k_b),dimb,int_mb(k_b_offset),(p2b_2
     & - 1 + (noab+nvab) * (h9b_2 - 1 + (noab+nvab) * (h8b_2 - 1 + (noab
     &+nvab) * (h6b_2 - 1)))))
      CALL TCE_SORT_4(dbl_mb(k_b),dbl_mb(k_b_sort),int_mb(k_range+h6b-1)
     &,int_mb(k_range+h8b-1),int_mb(k_range+h9b-1),int_mb(k_range+p2b-1)
     &,4,2,1,3,1.0d0)
      END IF
      IF (.not.MA_POP_STACK(l_b)) CALL ERRQUIT('ccsdt_y_tr2_21',6,MA_ERR
     &)
      nsubh(1) = 1
      nsubh(2) = 1
      isubh = 1
      IF (h6b .eq. h8b) THEN
      nsubh(isubh) = nsubh(isubh) + 1
      ELSE
      isubh = isubh + 1
      END IF
      CALL DGEMM('T','N',dima_sort,dimb_sort,dim_common,2.0d0/FACTORIAL(
     &nsubh(1))/FACTORIAL(nsubh(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_tr2_21',7,M
     &A_ERR)
      IF (.not.MA_POP_STACK(l_a_sort)) CALL ERRQUIT('ccsdt_y_tr2_21',8,M
     &A_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_tr2_21',9,MA_ERR)
      IF ((p1b .le. p2b)) THEN
      CALL TCE_SORT_4(dbl_mb(k_c_sort),dbl_mb(k_c),int_mb(k_range+p2b-1)
     &,int_mb(k_range+p1b-1),int_mb(k_range+h4b-1),int_mb(k_range+h3b-1)
     &,4,3,2,1,1.0d0/2.0d0)
      CALL ADD_HASH_BLOCK(d_c,dbl_mb(k_c),dimc,int_mb(k_c_offset),(p2b -
     & noab - 1 + nvab * (p1b - noab - 1 + nvab * (h4b - 1 + noab * (h3b
     & - 1)))))
      END IF
      IF ((p2b .le. p1b)) THEN
      CALL TCE_SORT_4(dbl_mb(k_c_sort),dbl_mb(k_c),int_mb(k_range+p2b-1)
     &,int_mb(k_range+p1b-1),int_mb(k_range+h4b-1),int_mb(k_range+h3b-1)
     &,4,3,1,2,-1.0d0/2.0d0)
      CALL ADD_HASH_BLOCK(d_c,dbl_mb(k_c),dimc,int_mb(k_c_offset),(p1b -
     & noab - 1 + nvab * (p2b - noab - 1 + nvab * (h4b - 1 + noab * (h3b
     & - 1)))))
      END IF
      IF (.not.MA_POP_STACK(l_c)) CALL ERRQUIT('ccsdt_y_tr2_21',10,MA_ER
     &R)
      IF (.not.MA_POP_STACK(l_c_sort)) CALL ERRQUIT('ccsdt_y_tr2_21',11,
     &MA_ERR)
      END IF
      END IF
      END IF
      next = nxtask(nprocs,1)
      END IF
      count = count + 1
      END DO
      END DO
      END DO
      END DO
      next = nxtask(-nprocs,1)
      call GA_SYNC()
      RETURN
      END
