      SUBROUTINE ccsdt_lr_alpha_offdiag_15_16_1_3_1(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     i4 ( h2 h4 h15 p5 )_yt + = 1 * Sum ( p7 ) * t ( p7 h15 )_t * y ( h2 h4 p5 p7 )_y
      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 h4b
      INTEGER h15b
      INTEGER p5b
      INTEGER dimc
      INTEGER l_c_sort
      INTEGER k_c_sort
      INTEGER p7b
      INTEGER p7b_1
      INTEGER h15b_1
      INTEGER h2b_2
      INTEGER h4b_2
      INTEGER p5b_2
      INTEGER p7b_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 l_c
      INTEGER k_c
      EXTERNAL nxtask
      nprocs = GA_NNODES()
      count = 0
      next = nxtask(nprocs,1)
      DO h2b = 1,noab
      DO h4b = h2b,noab
      DO h15b = 1,noab
      DO p5b = noab+1,noab+nvab
      IF (next.eq.count) THEN
      IF ((.not.restricted).or.(int_mb(k_spin+h2b-1)+int_mb(k_spin+h4b-1
     &)+int_mb(k_spin+h15b-1)+int_mb(k_spin+p5b-1).ne.8)) THEN
      IF (int_mb(k_spin+h2b-1)+int_mb(k_spin+h4b-1) .eq. int_mb(k_spin+h
     &15b-1)+int_mb(k_spin+p5b-1)) THEN
      IF (ieor(int_mb(k_sym+h2b-1),ieor(int_mb(k_sym+h4b-1),ieor(int_mb(
     &k_sym+h15b-1),int_mb(k_sym+p5b-1)))) .eq. ieor(irrep_y,irrep_t)) T
     &HEN
      dimc = int_mb(k_range+h2b-1) * int_mb(k_range+h4b-1) * int_mb(k_ra
     &nge+h15b-1) * int_mb(k_range+p5b-1)
      IF (.not.MA_PUSH_GET(mt_dbl,dimc,'noname',l_c_sort,k_c_sort)) CALL
     & ERRQUIT('ccsdt_lr_alpha_offdiag_15_16_1_3_1',0,MA_ERR)
      CALL DFILL(dimc,0.0d0,dbl_mb(k_c_sort),1)
      DO p7b = noab+1,noab+nvab
      IF (int_mb(k_spin+p7b-1) .eq. int_mb(k_spin+h15b-1)) THEN
      IF (ieor(int_mb(k_sym+p7b-1),int_mb(k_sym+h15b-1)) .eq. irrep_t) T
     &HEN
      CALL TCE_RESTRICTED_2(p7b,h15b,p7b_1,h15b_1)
      CALL TCE_RESTRICTED_4(h2b,h4b,p5b,p7b,h2b_2,h4b_2,p5b_2,p7b_2)
      dim_common = int_mb(k_range+p7b-1)
      dima_sort = int_mb(k_range+h15b-1)
      dima = dim_common * dima_sort
      dimb_sort = int_mb(k_range+h2b-1) * int_mb(k_range+h4b-1) * int_mb
     &(k_range+p5b-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_lr_alpha_offdiag_15_16_1_3_1',1,MA_ERR)
      IF (.not.MA_PUSH_GET(mt_dbl,dima,'noname',l_a,k_a)) CALL ERRQUIT('
     &ccsdt_lr_alpha_offdiag_15_16_1_3_1',2,MA_ERR)
      CALL GET_HASH_BLOCK(d_a,dbl_mb(k_a),dima,int_mb(k_a_offset),(h15b_
     &1 - 1 + noab * (p7b_1 - noab - 1)))
      CALL TCE_SORT_2(dbl_mb(k_a),dbl_mb(k_a_sort),int_mb(k_range+p7b-1)
     &,int_mb(k_range+h15b-1),2,1,1.0d0)
      IF (.not.MA_POP_STACK(l_a)) CALL ERRQUIT('ccsdt_lr_alpha_offdiag_1
     &5_16_1_3_1',3,MA_ERR)
      IF (.not.MA_PUSH_GET(mt_dbl,dimb,'noname',l_b_sort,k_b_sort)) CALL
     & ERRQUIT('ccsdt_lr_alpha_offdiag_15_16_1_3_1',4,MA_ERR)
      IF (.not.MA_PUSH_GET(mt_dbl,dimb,'noname',l_b,k_b)) CALL ERRQUIT('
     &ccsdt_lr_alpha_offdiag_15_16_1_3_1',5,MA_ERR)
      IF ((p7b .lt. p5b)) THEN
      CALL GET_HASH_BLOCK(d_b,dbl_mb(k_b),dimb,int_mb(k_b_offset),(p5b_2
     & - noab - 1 + nvab * (p7b_2 - noab - 1 + nvab * (h4b_2 - 1 + noab 
     &* (h2b_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+h4b-1),int_mb(k_range+p7b-1),int_mb(k_range+p5b-1)
     &,4,2,1,3,-1.0d0)
      END IF
      IF ((p5b .le. p7b)) THEN
      CALL GET_HASH_BLOCK(d_b,dbl_mb(k_b),dimb,int_mb(k_b_offset),(p7b_2
     & - noab - 1 + nvab * (p5b_2 - noab - 1 + nvab * (h4b_2 - 1 + noab 
     &* (h2b_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+h4b-1),int_mb(k_range+p5b-1),int_mb(k_range+p7b-1)
     &,3,2,1,4,1.0d0)
      END IF
      IF (.not.MA_POP_STACK(l_b)) CALL ERRQUIT('ccsdt_lr_alpha_offdiag_1
     &5_16_1_3_1',6,MA_ERR)
      CALL DGEMM('T','N',dima_sort,dimb_sort,dim_common,1.0d0,dbl_mb(k_a
     &_sort),dim_common,dbl_mb(k_b_sort),dim_common,1.0d0,dbl_mb(k_c_sor
     &t),dima_sort)
      IF (.not.MA_POP_STACK(l_b_sort)) CALL ERRQUIT('ccsdt_lr_alpha_offd
     &iag_15_16_1_3_1',7,MA_ERR)
      IF (.not.MA_POP_STACK(l_a_sort)) CALL ERRQUIT('ccsdt_lr_alpha_offd
     &iag_15_16_1_3_1',8,MA_ERR)
      END IF
      END IF
      END IF
      END DO
      IF (.not.MA_PUSH_GET(mt_dbl,dimc,'noname',l_c,k_c)) CALL ERRQUIT('
     &ccsdt_lr_alpha_offdiag_15_16_1_3_1',9,MA_ERR)
      CALL TCE_SORT_4(dbl_mb(k_c_sort),dbl_mb(k_c),int_mb(k_range+p5b-1)
     &,int_mb(k_range+h4b-1),int_mb(k_range+h2b-1),int_mb(k_range+h15b-1
     &),3,2,4,1,1.0d0)
      CALL ADD_HASH_BLOCK(d_c,dbl_mb(k_c),dimc,int_mb(k_c_offset),(p5b -
     & noab - 1 + nvab * (h15b - 1 + noab * (h4b - 1 + noab * (h2b - 1))
     &)))
      IF (.not.MA_POP_STACK(l_c)) CALL ERRQUIT('ccsdt_lr_alpha_offdiag_1
     &5_16_1_3_1',10,MA_ERR)
      IF (.not.MA_POP_STACK(l_c_sort)) CALL ERRQUIT('ccsdt_lr_alpha_offd
     &iag_15_16_1_3_1',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
