      SUBROUTINE alpha_2_7(d_a,k_a_offset,d_b,k_b_offset,d_c,k_c_offset)
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 ( )_ytratrbv + = 1/4 * Sum ( h7 p10 h9 h11 ) * i1 ( h7 p10 h9 h11 )_ytratrb * v ( h9 h11 h7 p10 )_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 dimc
      INTEGER l_c_sort
      INTEGER k_c_sort
      INTEGER h7b
      INTEGER p10b
      INTEGER h9b
      INTEGER h11b
      INTEGER h7b_1
      INTEGER p10b_1
      INTEGER h9b_1
      INTEGER h11b_1
      INTEGER h9b_2
      INTEGER h11b_2
      INTEGER h7b_2
      INTEGER p10b_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)
      IF (next.eq.count) THEN
      IF (0 .eq. ieor(irrep_y,ieor(irrep_tra,ieor(irrep_trb,irrep_v)))) 
     &THEN
      dimc = 1
      IF (.not.MA_PUSH_GET(mt_dbl,dimc,'noname',l_c_sort,k_c_sort)) CALL
     & ERRQUIT('alpha_2_7',0,MA_ERR)
      CALL DFILL(dimc,0.0d0,dbl_mb(k_c_sort),1)
      DO h7b = 1,noab
      DO p10b = noab+1,noab+nvab
      DO h9b = 1,noab
      DO h11b = h9b,noab
      IF (int_mb(k_spin+h7b-1)+int_mb(k_spin+p10b-1) .eq. int_mb(k_spin+
     &h9b-1)+int_mb(k_spin+h11b-1)) THEN
      IF (ieor(int_mb(k_sym+h7b-1),ieor(int_mb(k_sym+p10b-1),ieor(int_mb
     &(k_sym+h9b-1),int_mb(k_sym+h11b-1)))) .eq. ieor(irrep_y,ieor(irrep
     &_tra,irrep_trb))) THEN
      CALL TCE_RESTRICTED_4(h7b,p10b,h9b,h11b,h7b_1,p10b_1,h9b_1,h11b_1)
      CALL TCE_RESTRICTED_4(h9b,h11b,h7b,p10b,h9b_2,h11b_2,h7b_2,p10b_2)
      dim_common = int_mb(k_range+h7b-1) * int_mb(k_range+p10b-1) * int_
     &mb(k_range+h9b-1) * int_mb(k_range+h11b-1)
      dima_sort = 1
      dima = dim_common * dima_sort
      dimb_sort = 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('alpha_2_7',1,MA_ERR)
      IF (.not.MA_PUSH_GET(mt_dbl,dima,'noname',l_a,k_a)) CALL ERRQUIT('
     &alpha_2_7',2,MA_ERR)
      CALL GET_HASH_BLOCK(d_a,dbl_mb(k_a),dima,int_mb(k_a_offset),(h11b_
     &1 - 1 + noab * (h9b_1 - 1 + noab * (p10b_1 - noab - 1 + nvab * (h7
     &b_1 - 1)))))
      CALL TCE_SORT_4(dbl_mb(k_a),dbl_mb(k_a_sort),int_mb(k_range+h7b-1)
     &,int_mb(k_range+p10b-1),int_mb(k_range+h9b-1),int_mb(k_range+h11b-
     &1),4,3,2,1,1.0d0)
      IF (.not.MA_POP_STACK(l_a)) CALL ERRQUIT('alpha_2_7',3,MA_ERR)
      IF (.not.MA_PUSH_GET(mt_dbl,dimb,'noname',l_b_sort,k_b_sort)) CALL
     & ERRQUIT('alpha_2_7',4,MA_ERR)
      IF (.not.MA_PUSH_GET(mt_dbl,dimb,'noname',l_b,k_b)) CALL ERRQUIT('
     &alpha_2_7',5,MA_ERR)
      if(.not.intorb) then
      CALL GET_HASH_BLOCK(d_b,dbl_mb(k_b),dimb,int_mb(k_b_offset),(p10b_
     &2 - 1 + (noab+nvab) * (h7b_2 - 1 + (noab+nvab) * (h11b_2 - 1 + (no
     &ab+nvab) * (h9b_2 - 1)))))
      else
      CALL GET_HASH_BLOCK_I(d_b,dbl_mb(k_b),dimb,int_mb(k_b_offset),
     &(p10b_
     &2 - 1 + (noab+nvab) * (h7b_2 - 1 + (noab+nvab) * (h11b_2 - 1 + (no
     &ab+nvab) * (h9b_2 - 1)))),p10b_2,h7b_2,h11b_2,h9b_2)
      end if
      CALL TCE_SORT_4(dbl_mb(k_b),dbl_mb(k_b_sort),int_mb(k_range+h9b-1)
     &,int_mb(k_range+h11b-1),int_mb(k_range+h7b-1),int_mb(k_range+p10b-
     &1),2,1,4,3,1.0d0)
      IF (.not.MA_POP_STACK(l_b)) CALL ERRQUIT('alpha_2_7',6,MA_ERR)
      nsubh(1) = 1
      nsubh(2) = 1
      isubh = 1
      IF (h9b .eq. h11b) 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('alpha_2_7',7,MA_ERR
     &)
      IF (.not.MA_POP_STACK(l_a_sort)) CALL ERRQUIT('alpha_2_7',8,MA_ERR
     &)
      END IF
      END IF
      END IF
      END DO
      END DO
      END DO
      END DO
      IF (.not.MA_PUSH_GET(mt_dbl,dimc,'noname',l_c,k_c)) CALL ERRQUIT('
     &alpha_2_7',9,MA_ERR)
      CALL TCE_SORT_0(dbl_mb(k_c_sort),dbl_mb(k_c),1.0d0/4.0d0)
      CALL ADD_HASH_BLOCK(d_c,dbl_mb(k_c),dimc,int_mb(k_c_offset),0)
      IF (.not.MA_POP_STACK(l_c)) CALL ERRQUIT('alpha_2_7',10,MA_ERR)
      IF (.not.MA_POP_STACK(l_c_sort)) CALL ERRQUIT('alpha_2_7',11,MA_ER
     &R)
      END IF
      next = NXTASK(nprocs,1)
      END IF
      count = count + 1
      next = NXTASK(-nprocs,1)
      call GA_SYNC()
      RETURN
      END
