1      SUBROUTINE ccsdt_lr_alpha2_6_4_1(d_a,k_a_offset,d_b,k_b_offset,d_c
2     &,k_c_offset)
3C     $Id$
4C     This is a Fortran77 program generated by Tensor Contraction Engine v.1.0
5C     Copyright (c) Battelle & Pacific Northwest National Laboratory (2002)
6C     i2 ( p11 p2 )_vtrb + = -1 * Sum ( h6 p5 ) * trb ( p5 h6 )_trb * v ( h6 p11 p2 p5 )_v
7      IMPLICIT NONE
8#include "global.fh"
9#include "mafdecls.fh"
10#include "sym.fh"
11#include "errquit.fh"
12#include "tce.fh"
13      INTEGER d_a
14      INTEGER k_a_offset
15      INTEGER d_b
16      INTEGER k_b_offset
17      INTEGER d_c
18      INTEGER k_c_offset
19      INTEGER nxtask
20      INTEGER next
21      INTEGER nprocs
22      INTEGER count
23      INTEGER p11b
24      INTEGER p2b
25      INTEGER dimc
26      INTEGER l_c_sort
27      INTEGER k_c_sort
28      INTEGER p5b
29      INTEGER h6b
30      INTEGER p5b_1
31      INTEGER h6b_1
32      INTEGER p11b_2
33      INTEGER h6b_2
34      INTEGER p2b_2
35      INTEGER p5b_2
36      INTEGER dim_common
37      INTEGER dima_sort
38      INTEGER dima
39      INTEGER dimb_sort
40      INTEGER dimb
41      INTEGER l_a_sort
42      INTEGER k_a_sort
43      INTEGER l_a
44      INTEGER k_a
45      INTEGER l_b_sort
46      INTEGER k_b_sort
47      INTEGER l_b
48      INTEGER k_b
49      INTEGER l_c
50      INTEGER k_c
51      EXTERNAL nxtask
52      nprocs = GA_NNODES()
53      count = 0
54      next = nxtask(nprocs,1)
55      DO p11b = noab+1,noab+nvab
56      DO p2b = noab+1,noab+nvab
57      IF (next.eq.count) THEN
58      IF ((.not.restricted).or.(int_mb(k_spin+p11b-1)+int_mb(k_spin+p2b-
59     &1).ne.4)) THEN
60      IF (int_mb(k_spin+p11b-1) .eq. int_mb(k_spin+p2b-1)) THEN
61      IF (ieor(int_mb(k_sym+p11b-1),int_mb(k_sym+p2b-1)) .eq. ieor(irrep
62     &_v,irrep_trb)) THEN
63      dimc = int_mb(k_range+p11b-1) * int_mb(k_range+p2b-1)
64      IF (.not.MA_PUSH_GET(mt_dbl,dimc,'noname',l_c_sort,k_c_sort)) CALL
65     & ERRQUIT('ccsdt_lr_alpha2_6_4_1',0,MA_ERR)
66      CALL DFILL(dimc,0.0d0,dbl_mb(k_c_sort),1)
67      DO p5b = noab+1,noab+nvab
68      DO h6b = 1,noab
69      IF (int_mb(k_spin+p5b-1) .eq. int_mb(k_spin+h6b-1)) THEN
70      IF (ieor(int_mb(k_sym+p5b-1),int_mb(k_sym+h6b-1)) .eq. irrep_trb)
71     &THEN
72      CALL TCE_RESTRICTED_2(p5b,h6b,p5b_1,h6b_1)
73      CALL TCE_RESTRICTED_4(p11b,h6b,p2b,p5b,p11b_2,h6b_2,p2b_2,p5b_2)
74      dim_common = int_mb(k_range+p5b-1) * int_mb(k_range+h6b-1)
75      dima_sort = 1
76      dima = dim_common * dima_sort
77      dimb_sort = int_mb(k_range+p11b-1) * int_mb(k_range+p2b-1)
78      dimb = dim_common * dimb_sort
79      IF ((dima .gt. 0) .and. (dimb .gt. 0)) THEN
80      IF (.not.MA_PUSH_GET(mt_dbl,dima,'noname',l_a_sort,k_a_sort)) CALL
81     & ERRQUIT('ccsdt_lr_alpha2_6_4_1',1,MA_ERR)
82      IF (.not.MA_PUSH_GET(mt_dbl,dima,'noname',l_a,k_a)) CALL ERRQUIT('
83     &ccsdt_lr_alpha2_6_4_1',2,MA_ERR)
84      CALL GET_HASH_BLOCK(d_a,dbl_mb(k_a),dima,int_mb(k_a_offset),(h6b_1
85     & - 1 + noab * (p5b_1 - noab - 1)))
86      CALL TCE_SORT_2(dbl_mb(k_a),dbl_mb(k_a_sort),int_mb(k_range+p5b-1)
87     &,int_mb(k_range+h6b-1),2,1,1.0d0)
88      IF (.not.MA_POP_STACK(l_a)) CALL ERRQUIT('ccsdt_lr_alpha2_6_4_1',3
89     &,MA_ERR)
90      IF (.not.MA_PUSH_GET(mt_dbl,dimb,'noname',l_b_sort,k_b_sort)) CALL
91     & ERRQUIT('ccsdt_lr_alpha2_6_4_1',4,MA_ERR)
92      IF (.not.MA_PUSH_GET(mt_dbl,dimb,'noname',l_b,k_b)) CALL ERRQUIT('
93     &ccsdt_lr_alpha2_6_4_1',5,MA_ERR)
94      IF ((h6b .le. p11b) .and. (p5b .lt. p2b)) THEN
95      CALL GET_HASH_BLOCK(d_b,dbl_mb(k_b),dimb,int_mb(k_b_offset),(p2b_2
96     & - 1 + (noab+nvab) * (p5b_2 - 1 + (noab+nvab) * (p11b_2 - 1 + (noa
97     &b+nvab) * (h6b_2 - 1)))))
98      CALL TCE_SORT_4(dbl_mb(k_b),dbl_mb(k_b_sort),int_mb(k_range+h6b-1)
99     &,int_mb(k_range+p11b-1),int_mb(k_range+p5b-1),int_mb(k_range+p2b-1
100     &),4,2,1,3,-1.0d0)
101      END IF
102      IF ((h6b .le. p11b) .and. (p2b .le. p5b)) THEN
103      CALL GET_HASH_BLOCK(d_b,dbl_mb(k_b),dimb,int_mb(k_b_offset),(p5b_2
104     & - 1 + (noab+nvab) * (p2b_2 - 1 + (noab+nvab) * (p11b_2 - 1 + (noa
105     &b+nvab) * (h6b_2 - 1)))))
106      CALL TCE_SORT_4(dbl_mb(k_b),dbl_mb(k_b_sort),int_mb(k_range+h6b-1)
107     &,int_mb(k_range+p11b-1),int_mb(k_range+p2b-1),int_mb(k_range+p5b-1
108     &),3,2,1,4,1.0d0)
109      END IF
110      IF (.not.MA_POP_STACK(l_b)) CALL ERRQUIT('ccsdt_lr_alpha2_6_4_1',6
111     &,MA_ERR)
112      CALL DGEMM('T','N',dima_sort,dimb_sort,dim_common,1.0d0,dbl_mb(k_a
113     &_sort),dim_common,dbl_mb(k_b_sort),dim_common,1.0d0,dbl_mb(k_c_sor
114     &t),dima_sort)
115      IF (.not.MA_POP_STACK(l_b_sort)) CALL ERRQUIT('ccsdt_lr_alpha2_6_4
116     &_1',7,MA_ERR)
117      IF (.not.MA_POP_STACK(l_a_sort)) CALL ERRQUIT('ccsdt_lr_alpha2_6_4
118     &_1',8,MA_ERR)
119      END IF
120      END IF
121      END IF
122      END DO
123      END DO
124      IF (.not.MA_PUSH_GET(mt_dbl,dimc,'noname',l_c,k_c)) CALL ERRQUIT('
125     &ccsdt_lr_alpha2_6_4_1',9,MA_ERR)
126      CALL TCE_SORT_2(dbl_mb(k_c_sort),dbl_mb(k_c),int_mb(k_range+p2b-1)
127     &,int_mb(k_range+p11b-1),2,1,-1.0d0)
128      CALL ADD_HASH_BLOCK(d_c,dbl_mb(k_c),dimc,int_mb(k_c_offset),(p2b -
129     & noab - 1 + nvab * (p11b - noab - 1)))
130      IF (.not.MA_POP_STACK(l_c)) CALL ERRQUIT('ccsdt_lr_alpha2_6_4_1',1
131     &0,MA_ERR)
132      IF (.not.MA_POP_STACK(l_c_sort)) CALL ERRQUIT('ccsdt_lr_alpha2_6_4
133     &_1',11,MA_ERR)
134      END IF
135      END IF
136      END IF
137      next = nxtask(nprocs,1)
138      END IF
139      count = count + 1
140      END DO
141      END DO
142      next = nxtask(-nprocs,1)
143      call GA_SYNC()
144      RETURN
145      END
146