      SUBROUTINE beta_2_1_4(d_a,k_a_offset,d_b,k_b_offset,d_c,k_c_offset
     &)
C     $Id: beta_2_1_4.F 19698 2010-10-29 17:03:09Z d3y133 $
C     This is a Fortran77 program generated by Tensor Contraction Engine v.1.0
C     Copyright (c) Battelle & Pacific Northwest National Laboratory (2002)
C     i1 ( p2 h1 )_ytratrb + = -1/2 * Sum ( h5 h6 p4 ) * trb ( p2 p4 h5 h6 )_trb * i2 ( h5 h6 h1 p4 )_ytra
      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 NXTVAL
      INTEGER next
      INTEGER nprocs
      INTEGER count
      INTEGER p2b
      INTEGER h1b
      INTEGER dimc
      INTEGER l_c_sort
      INTEGER k_c_sort
      INTEGER p4b
      INTEGER h5b
      INTEGER h6b
      INTEGER p2b_1
      INTEGER p4b_1
      INTEGER h5b_1
      INTEGER h6b_1
      INTEGER h5b_2
      INTEGER h6b_2
      INTEGER h1b_2
      INTEGER p4b_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 NXTVAL
      EXTERNAL FACTORIAL
      nprocs = GA_NNODES()
      count = 0
      next = NXTVAL(nprocs)
      DO p2b = noab+1,noab+nvab
      DO h1b = 1,noab
      IF (next.eq.count) THEN
      IF ((.not.restricted).or.(int_mb(k_spin+p2b-1)+int_mb(k_spin+h1b-1
     &).ne.4)) THEN
      IF (int_mb(k_spin+p2b-1) .eq. int_mb(k_spin+h1b-1)) THEN
      IF (ieor(int_mb(k_sym+p2b-1),int_mb(k_sym+h1b-1)) .eq. ieor(irrep_
     &y,ieor(irrep_tra,irrep_trb))) THEN
      dimc = int_mb(k_range+p2b-1) * int_mb(k_range+h1b-1)
      IF (.not.MA_PUSH_GET(mt_dbl,dimc,'noname',l_c_sort,k_c_sort)) CALL
     & ERRQUIT('beta_2_1_4',0,MA_ERR)
      CALL DFILL(dimc,0.0d0,dbl_mb(k_c_sort),1)
      DO p4b = noab+1,noab+nvab
      DO h5b = 1,noab
      DO h6b = h5b,noab
      IF (int_mb(k_spin+p2b-1)+int_mb(k_spin+p4b-1) .eq. int_mb(k_spin+h
     &5b-1)+int_mb(k_spin+h6b-1)) THEN
      IF (ieor(int_mb(k_sym+p2b-1),ieor(int_mb(k_sym+p4b-1),ieor(int_mb(
     &k_sym+h5b-1),int_mb(k_sym+h6b-1)))) .eq. irrep_trb) THEN
      CALL TCE_RESTRICTED_4(p2b,p4b,h5b,h6b,p2b_1,p4b_1,h5b_1,h6b_1)
      CALL TCE_RESTRICTED_4(h5b,h6b,h1b,p4b,h5b_2,h6b_2,h1b_2,p4b_2)
      dim_common = int_mb(k_range+p4b-1) * int_mb(k_range+h5b-1) * int_m
     &b(k_range+h6b-1)
      dima_sort = int_mb(k_range+p2b-1)
      dima = dim_common * dima_sort
      dimb_sort = int_mb(k_range+h1b-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('beta_2_1_4',1,MA_ERR)
      IF (.not.MA_PUSH_GET(mt_dbl,dima,'noname',l_a,k_a)) CALL ERRQUIT('
     &beta_2_1_4',2,MA_ERR)
      IF ((p4b .lt. p2b)) THEN
      CALL GET_HASH_BLOCK(d_a,dbl_mb(k_a),dima,int_mb(k_a_offset),(h6b_1
     & - 1 + noab * (h5b_1 - 1 + noab * (p2b_1 - noab - 1 + nvab * (p4b_
     &1 - noab - 1)))))
      CALL TCE_SORT_4(dbl_mb(k_a),dbl_mb(k_a_sort),int_mb(k_range+p4b-1)
     &,int_mb(k_range+p2b-1),int_mb(k_range+h5b-1),int_mb(k_range+h6b-1)
     &,2,4,3,1,-1.0d0)
      END IF
      IF ((p2b .le. p4b)) THEN
      CALL GET_HASH_BLOCK(d_a,dbl_mb(k_a),dima,int_mb(k_a_offset),(h6b_1
     & - 1 + noab * (h5b_1 - 1 + noab * (p4b_1 - noab - 1 + nvab * (p2b_
     &1 - noab - 1)))))
      CALL TCE_SORT_4(dbl_mb(k_a),dbl_mb(k_a_sort),int_mb(k_range+p2b-1)
     &,int_mb(k_range+p4b-1),int_mb(k_range+h5b-1),int_mb(k_range+h6b-1)
     &,1,4,3,2,1.0d0)
      END IF
      IF (.not.MA_POP_STACK(l_a)) CALL ERRQUIT('beta_2_1_4',3,MA_ERR)
      IF (.not.MA_PUSH_GET(mt_dbl,dimb,'noname',l_b_sort,k_b_sort)) CALL
     & ERRQUIT('beta_2_1_4',4,MA_ERR)
      IF (.not.MA_PUSH_GET(mt_dbl,dimb,'noname',l_b,k_b)) CALL ERRQUIT('
     &beta_2_1_4',5,MA_ERR)
      IF ((h1b .le. p4b)) THEN
      CALL GET_HASH_BLOCK(d_b,dbl_mb(k_b),dimb,int_mb(k_b_offset),(p4b_2
     & - noab - 1 + nvab * (h1b_2 - 1 + noab * (h6b_2 - 1 + noab * (h5b_
     &2 - 1)))))
      CALL TCE_SORT_4(dbl_mb(k_b),dbl_mb(k_b_sort),int_mb(k_range+h5b-1)
     &,int_mb(k_range+h6b-1),int_mb(k_range+h1b-1),int_mb(k_range+p4b-1)
     &,3,2,1,4,1.0d0)
      END IF
      IF (.not.MA_POP_STACK(l_b)) CALL ERRQUIT('beta_2_1_4',6,MA_ERR)
      nsubh(1) = 1
      nsubh(2) = 1
      isubh = 1
      IF (h5b .eq. h6b) 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('beta_2_1_4',7,MA_ER
     &R)
      IF (.not.MA_POP_STACK(l_a_sort)) CALL ERRQUIT('beta_2_1_4',8,MA_ER
     &R)
      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('
     &beta_2_1_4',9,MA_ERR)
      CALL TCE_SORT_2(dbl_mb(k_c_sort),dbl_mb(k_c),int_mb(k_range+h1b-1)
     &,int_mb(k_range+p2b-1),2,1,-1.0d0/2.0d0)
      CALL ADD_HASH_BLOCK(d_c,dbl_mb(k_c),dimc,int_mb(k_c_offset),(h1b -
     & 1 + noab * (p2b - noab - 1)))
      IF (.not.MA_POP_STACK(l_c)) CALL ERRQUIT('beta_2_1_4',10,MA_ERR)
      IF (.not.MA_POP_STACK(l_c_sort)) CALL ERRQUIT('beta_2_1_4',11,MA_E
     &RR)
      END IF
      END IF
      END IF
      next = NXTVAL(nprocs)
      END IF
      count = count + 1
      END DO
      END DO
      next = NXTVAL(-nprocs)
      call GA_SYNC()
      RETURN
      END
