1 #include "simint/boys/boys.h"
2 #include "simint/ostei/gen/ostei_generated.h"
3 #include "simint/vectorization/vectorization.h"
4 #include <math.h>
5 #include <string.h>
6 
7 
ostei_d_d_i_d(struct simint_multi_shellpair const P,struct simint_multi_shellpair const Q,double screen_tol,double * const restrict work,double * const restrict INT__d_d_i_d)8 int ostei_d_d_i_d(struct simint_multi_shellpair const P,
9                   struct simint_multi_shellpair const Q,
10                   double screen_tol,
11                   double * const restrict work,
12                   double * const restrict INT__d_d_i_d)
13 {
14 
15     SIMINT_ASSUME_ALIGN_DBL(work);
16     SIMINT_ASSUME_ALIGN_DBL(INT__d_d_i_d);
17     int ab, cd, abcd;
18     int istart, jstart;
19     int iprimcd, nprim_icd, icd;
20     const int check_screen = (screen_tol > 0.0);
21     int i, j;
22     int n;
23     int not_screened;
24     int real_abcd;
25     int iket;
26     int ibra;
27 
28     // partition workspace
29     double * const INT__d_s_i_s = work + (SIMINT_NSHELL_SIMD * 0);
30     double * const INT__d_s_k_s = work + (SIMINT_NSHELL_SIMD * 168);
31     double * const INT__d_s_l_s = work + (SIMINT_NSHELL_SIMD * 384);
32     double * const INT__f_s_i_s = work + (SIMINT_NSHELL_SIMD * 654);
33     double * const INT__f_s_k_s = work + (SIMINT_NSHELL_SIMD * 934);
34     double * const INT__f_s_l_s = work + (SIMINT_NSHELL_SIMD * 1294);
35     double * const INT__g_s_i_s = work + (SIMINT_NSHELL_SIMD * 1744);
36     double * const INT__g_s_k_s = work + (SIMINT_NSHELL_SIMD * 2164);
37     double * const INT__g_s_l_s = work + (SIMINT_NSHELL_SIMD * 2704);
38     SIMINT_DBLTYPE * const primwork = (SIMINT_DBLTYPE *)(work + SIMINT_NSHELL_SIMD*3379);
39     SIMINT_DBLTYPE * const restrict PRIM_INT__s_s_s_s = primwork + 0;
40     SIMINT_DBLTYPE * const restrict PRIM_INT__s_s_p_s = primwork + 13;
41     SIMINT_DBLTYPE * const restrict PRIM_INT__s_s_d_s = primwork + 49;
42     SIMINT_DBLTYPE * const restrict PRIM_INT__s_s_f_s = primwork + 115;
43     SIMINT_DBLTYPE * const restrict PRIM_INT__s_s_g_s = primwork + 215;
44     SIMINT_DBLTYPE * const restrict PRIM_INT__s_s_h_s = primwork + 350;
45     SIMINT_DBLTYPE * const restrict PRIM_INT__s_s_i_s = primwork + 518;
46     SIMINT_DBLTYPE * const restrict PRIM_INT__s_s_k_s = primwork + 714;
47     SIMINT_DBLTYPE * const restrict PRIM_INT__s_s_l_s = primwork + 930;
48     SIMINT_DBLTYPE * const restrict PRIM_INT__p_s_f_s = primwork + 1155;
49     SIMINT_DBLTYPE * const restrict PRIM_INT__p_s_g_s = primwork + 1275;
50     SIMINT_DBLTYPE * const restrict PRIM_INT__p_s_h_s = primwork + 1455;
51     SIMINT_DBLTYPE * const restrict PRIM_INT__p_s_i_s = primwork + 1707;
52     SIMINT_DBLTYPE * const restrict PRIM_INT__p_s_k_s = primwork + 2043;
53     SIMINT_DBLTYPE * const restrict PRIM_INT__p_s_l_s = primwork + 2475;
54     SIMINT_DBLTYPE * const restrict PRIM_INT__d_s_g_s = primwork + 3015;
55     SIMINT_DBLTYPE * const restrict PRIM_INT__d_s_h_s = primwork + 3285;
56     SIMINT_DBLTYPE * const restrict PRIM_INT__d_s_i_s = primwork + 3663;
57     SIMINT_DBLTYPE * const restrict PRIM_INT__d_s_k_s = primwork + 4167;
58     SIMINT_DBLTYPE * const restrict PRIM_INT__d_s_l_s = primwork + 4815;
59     SIMINT_DBLTYPE * const restrict PRIM_INT__f_s_h_s = primwork + 5625;
60     SIMINT_DBLTYPE * const restrict PRIM_INT__f_s_i_s = primwork + 6045;
61     SIMINT_DBLTYPE * const restrict PRIM_INT__f_s_k_s = primwork + 6605;
62     SIMINT_DBLTYPE * const restrict PRIM_INT__f_s_l_s = primwork + 7325;
63     SIMINT_DBLTYPE * const restrict PRIM_INT__g_s_i_s = primwork + 8225;
64     SIMINT_DBLTYPE * const restrict PRIM_INT__g_s_k_s = primwork + 8645;
65     SIMINT_DBLTYPE * const restrict PRIM_INT__g_s_l_s = primwork + 9185;
66     double * const hrrwork = (double *)(primwork + 9860);
67     double * const HRR_INT__d_p_i_s = hrrwork + 0;
68     double * const HRR_INT__d_p_k_s = hrrwork + 504;
69     double * const HRR_INT__d_p_l_s = hrrwork + 1152;
70     double * const HRR_INT__d_d_i_s = hrrwork + 1962;
71     double * const HRR_INT__d_d_i_p = hrrwork + 2970;
72     double * const HRR_INT__d_d_k_s = hrrwork + 5994;
73     double * const HRR_INT__d_d_k_p = hrrwork + 7290;
74     double * const HRR_INT__d_d_l_s = hrrwork + 11178;
75     double * const HRR_INT__f_p_i_s = hrrwork + 12798;
76     double * const HRR_INT__f_p_k_s = hrrwork + 13638;
77     double * const HRR_INT__f_p_l_s = hrrwork + 14718;
78 
79 
80     // Create constants
81     const SIMINT_DBLTYPE const_1 = SIMINT_DBLSET1(1);
82     const SIMINT_DBLTYPE const_2 = SIMINT_DBLSET1(2);
83     const SIMINT_DBLTYPE const_3 = SIMINT_DBLSET1(3);
84     const SIMINT_DBLTYPE const_4 = SIMINT_DBLSET1(4);
85     const SIMINT_DBLTYPE const_5 = SIMINT_DBLSET1(5);
86     const SIMINT_DBLTYPE const_6 = SIMINT_DBLSET1(6);
87     const SIMINT_DBLTYPE const_7 = SIMINT_DBLSET1(7);
88     const SIMINT_DBLTYPE const_8 = SIMINT_DBLSET1(8);
89     const SIMINT_DBLTYPE one_half = SIMINT_DBLSET1(0.5);
90 
91 
92     ////////////////////////////////////////
93     // Loop over shells and primitives
94     ////////////////////////////////////////
95 
96     real_abcd = 0;
97     istart = 0;
98     for(ab = 0; ab < P.nshell12_clip; ++ab)
99     {
100         const int iend = istart + P.nprim12[ab];
101 
102         cd = 0;
103         jstart = 0;
104 
105         for(cd = 0; cd < Q.nshell12_clip; cd += SIMINT_NSHELL_SIMD)
106         {
107             const int nshellbatch = ((cd + SIMINT_NSHELL_SIMD) > Q.nshell12_clip) ? Q.nshell12_clip - cd : SIMINT_NSHELL_SIMD;
108             int jend = jstart;
109             for(i = 0; i < nshellbatch; i++)
110                 jend += Q.nprim12[cd+i];
111 
112             // Clear the beginning of the workspace (where we are accumulating integrals)
113             memset(work, 0, SIMINT_NSHELL_SIMD * 3379 * sizeof(double));
114             abcd = 0;
115 
116 
117             for(i = istart; i < iend; ++i)
118             {
119                 SIMINT_DBLTYPE bra_screen_max;  // only used if check_screen
120 
121                 if(check_screen)
122                 {
123                     // Skip this whole thing if always insignificant
124                     if((P.screen[i] * Q.screen_max) < screen_tol)
125                         continue;
126                     bra_screen_max = SIMINT_DBLSET1(P.screen[i]);
127                 }
128 
129                 icd = 0;
130                 iprimcd = 0;
131                 nprim_icd = Q.nprim12[cd];
132                 double * restrict PRIM_PTR_INT__d_s_i_s = INT__d_s_i_s + abcd * 168;
133                 double * restrict PRIM_PTR_INT__d_s_k_s = INT__d_s_k_s + abcd * 216;
134                 double * restrict PRIM_PTR_INT__d_s_l_s = INT__d_s_l_s + abcd * 270;
135                 double * restrict PRIM_PTR_INT__f_s_i_s = INT__f_s_i_s + abcd * 280;
136                 double * restrict PRIM_PTR_INT__f_s_k_s = INT__f_s_k_s + abcd * 360;
137                 double * restrict PRIM_PTR_INT__f_s_l_s = INT__f_s_l_s + abcd * 450;
138                 double * restrict PRIM_PTR_INT__g_s_i_s = INT__g_s_i_s + abcd * 420;
139                 double * restrict PRIM_PTR_INT__g_s_k_s = INT__g_s_k_s + abcd * 540;
140                 double * restrict PRIM_PTR_INT__g_s_l_s = INT__g_s_l_s + abcd * 675;
141 
142 
143 
144                 // Load these one per loop over i
145                 const SIMINT_DBLTYPE P_alpha = SIMINT_DBLSET1(P.alpha[i]);
146                 const SIMINT_DBLTYPE P_prefac = SIMINT_DBLSET1(P.prefac[i]);
147                 const SIMINT_DBLTYPE Pxyz[3] = { SIMINT_DBLSET1(P.x[i]), SIMINT_DBLSET1(P.y[i]), SIMINT_DBLSET1(P.z[i]) };
148 
149                 const SIMINT_DBLTYPE P_PA[3] = { SIMINT_DBLSET1(P.PA_x[i]), SIMINT_DBLSET1(P.PA_y[i]), SIMINT_DBLSET1(P.PA_z[i]) };
150 
151                 for(j = jstart; j < jend; j += SIMINT_SIMD_LEN)
152                 {
153                     // calculate the shell offsets
154                     // these are the offset from the shell pointed to by cd
155                     // for each element
156                     int shelloffsets[SIMINT_SIMD_LEN] = {0};
157                     int lastoffset = 0;
158                     const int nlane = ( ((j + SIMINT_SIMD_LEN) < jend) ? SIMINT_SIMD_LEN : (jend - j));
159 
160                     if((iprimcd + SIMINT_SIMD_LEN) >= nprim_icd)
161                     {
162                         // Handle if the first element of the vector is a new shell
163                         if(iprimcd >= nprim_icd && ((icd+1) < nshellbatch))
164                         {
165                             nprim_icd += Q.nprim12[cd + (++icd)];
166                             PRIM_PTR_INT__d_s_i_s += 168;
167                             PRIM_PTR_INT__d_s_k_s += 216;
168                             PRIM_PTR_INT__d_s_l_s += 270;
169                             PRIM_PTR_INT__f_s_i_s += 280;
170                             PRIM_PTR_INT__f_s_k_s += 360;
171                             PRIM_PTR_INT__f_s_l_s += 450;
172                             PRIM_PTR_INT__g_s_i_s += 420;
173                             PRIM_PTR_INT__g_s_k_s += 540;
174                             PRIM_PTR_INT__g_s_l_s += 675;
175                         }
176                         iprimcd++;
177                         for(n = 1; n < SIMINT_SIMD_LEN; ++n)
178                         {
179                             if(iprimcd >= nprim_icd && ((icd+1) < nshellbatch))
180                             {
181                                 shelloffsets[n] = shelloffsets[n-1] + 1;
182                                 lastoffset++;
183                                 nprim_icd += Q.nprim12[cd + (++icd)];
184                             }
185                             else
186                                 shelloffsets[n] = shelloffsets[n-1];
187                             iprimcd++;
188                         }
189                     }
190                     else
191                         iprimcd += SIMINT_SIMD_LEN;
192 
193                     // Do we have to compute this vector (or has it been screened out)?
194                     // (not_screened != 0 means we have to do this vector)
195                     if(check_screen)
196                     {
197                         const double vmax = vector_max(SIMINT_MUL(bra_screen_max, SIMINT_DBLLOAD(Q.screen, j)));
198                         if(vmax < screen_tol)
199                         {
200                             PRIM_PTR_INT__d_s_i_s += lastoffset*168;
201                             PRIM_PTR_INT__d_s_k_s += lastoffset*216;
202                             PRIM_PTR_INT__d_s_l_s += lastoffset*270;
203                             PRIM_PTR_INT__f_s_i_s += lastoffset*280;
204                             PRIM_PTR_INT__f_s_k_s += lastoffset*360;
205                             PRIM_PTR_INT__f_s_l_s += lastoffset*450;
206                             PRIM_PTR_INT__g_s_i_s += lastoffset*420;
207                             PRIM_PTR_INT__g_s_k_s += lastoffset*540;
208                             PRIM_PTR_INT__g_s_l_s += lastoffset*675;
209                             continue;
210                         }
211                     }
212 
213                     const SIMINT_DBLTYPE Q_alpha = SIMINT_DBLLOAD(Q.alpha, j);
214                     const SIMINT_DBLTYPE PQalpha_mul = SIMINT_MUL(P_alpha, Q_alpha);
215                     const SIMINT_DBLTYPE PQalpha_sum = SIMINT_ADD(P_alpha, Q_alpha);
216                     const SIMINT_DBLTYPE one_over_PQalpha_sum = SIMINT_DIV(const_1, PQalpha_sum);
217 
218 
219                     /* construct R2 = (Px - Qx)**2 + (Py - Qy)**2 + (Pz -Qz)**2 */
220                     SIMINT_DBLTYPE PQ[3];
221                     PQ[0] = SIMINT_SUB(Pxyz[0], SIMINT_DBLLOAD(Q.x, j));
222                     PQ[1] = SIMINT_SUB(Pxyz[1], SIMINT_DBLLOAD(Q.y, j));
223                     PQ[2] = SIMINT_SUB(Pxyz[2], SIMINT_DBLLOAD(Q.z, j));
224                     SIMINT_DBLTYPE R2 = SIMINT_MUL(PQ[0], PQ[0]);
225                     R2 = SIMINT_FMADD(PQ[1], PQ[1], R2);
226                     R2 = SIMINT_FMADD(PQ[2], PQ[2], R2);
227 
228                     const SIMINT_DBLTYPE alpha = SIMINT_MUL(PQalpha_mul, one_over_PQalpha_sum); // alpha from MEST
229                     const SIMINT_DBLTYPE one_over_p = SIMINT_DIV(const_1, P_alpha);
230                     const SIMINT_DBLTYPE one_over_q = SIMINT_DIV(const_1, Q_alpha);
231                     const SIMINT_DBLTYPE one_over_2p = SIMINT_MUL(one_half, one_over_p);
232                     const SIMINT_DBLTYPE one_over_2q = SIMINT_MUL(one_half, one_over_q);
233                     const SIMINT_DBLTYPE one_over_2pq = SIMINT_MUL(one_half, one_over_PQalpha_sum);
234                     const SIMINT_DBLTYPE Q_PA[3] = { SIMINT_DBLLOAD(Q.PA_x, j), SIMINT_DBLLOAD(Q.PA_y, j), SIMINT_DBLLOAD(Q.PA_z, j) };
235 
236                     // NOTE: Minus sign!
237                     const SIMINT_DBLTYPE a_over_p = SIMINT_MUL(SIMINT_NEG(alpha), one_over_p);
238                     SIMINT_DBLTYPE aop_PQ[3];
239                     aop_PQ[0] = SIMINT_MUL(a_over_p, PQ[0]);
240                     aop_PQ[1] = SIMINT_MUL(a_over_p, PQ[1]);
241                     aop_PQ[2] = SIMINT_MUL(a_over_p, PQ[2]);
242 
243                     SIMINT_DBLTYPE a_over_q = SIMINT_MUL(alpha, one_over_q);
244                     SIMINT_DBLTYPE aoq_PQ[3];
245                     aoq_PQ[0] = SIMINT_MUL(a_over_q, PQ[0]);
246                     aoq_PQ[1] = SIMINT_MUL(a_over_q, PQ[1]);
247                     aoq_PQ[2] = SIMINT_MUL(a_over_q, PQ[2]);
248                     // Put a minus sign here so we don't have to in RR routines
249                     a_over_q = SIMINT_NEG(a_over_q);
250 
251 
252                     //////////////////////////////////////////////
253                     // Fjt function section
254                     // Maximum v value: 12
255                     //////////////////////////////////////////////
256                     // The parameter to the Fjt function
257                     const SIMINT_DBLTYPE F_x = SIMINT_MUL(R2, alpha);
258 
259 
260                     const SIMINT_DBLTYPE Q_prefac = mask_load(nlane, Q.prefac + j);
261 
262 
263                     boys_F_split(PRIM_INT__s_s_s_s, F_x, 12);
264                     SIMINT_DBLTYPE prefac = SIMINT_SQRT(one_over_PQalpha_sum);
265                     prefac = SIMINT_MUL(SIMINT_MUL(P_prefac, Q_prefac), prefac);
266                     for(n = 0; n <= 12; n++)
267                         PRIM_INT__s_s_s_s[n] = SIMINT_MUL(PRIM_INT__s_s_s_s[n], prefac);
268 
269                     //////////////////////////////////////////////
270                     // Primitive integrals: Vertical recurrance
271                     //////////////////////////////////////////////
272 
273                     const SIMINT_DBLTYPE vrr_const_1_over_2p = one_over_2p;
274                     const SIMINT_DBLTYPE vrr_const_2_over_2p = SIMINT_MUL(const_2, one_over_2p);
275                     const SIMINT_DBLTYPE vrr_const_3_over_2p = SIMINT_MUL(const_3, one_over_2p);
276                     const SIMINT_DBLTYPE vrr_const_1_over_2q = one_over_2q;
277                     const SIMINT_DBLTYPE vrr_const_2_over_2q = SIMINT_MUL(const_2, one_over_2q);
278                     const SIMINT_DBLTYPE vrr_const_3_over_2q = SIMINT_MUL(const_3, one_over_2q);
279                     const SIMINT_DBLTYPE vrr_const_4_over_2q = SIMINT_MUL(const_4, one_over_2q);
280                     const SIMINT_DBLTYPE vrr_const_5_over_2q = SIMINT_MUL(const_5, one_over_2q);
281                     const SIMINT_DBLTYPE vrr_const_6_over_2q = SIMINT_MUL(const_6, one_over_2q);
282                     const SIMINT_DBLTYPE vrr_const_7_over_2q = SIMINT_MUL(const_7, one_over_2q);
283                     const SIMINT_DBLTYPE vrr_const_1_over_2pq = one_over_2pq;
284                     const SIMINT_DBLTYPE vrr_const_2_over_2pq = SIMINT_MUL(const_2, one_over_2pq);
285                     const SIMINT_DBLTYPE vrr_const_3_over_2pq = SIMINT_MUL(const_3, one_over_2pq);
286                     const SIMINT_DBLTYPE vrr_const_4_over_2pq = SIMINT_MUL(const_4, one_over_2pq);
287                     const SIMINT_DBLTYPE vrr_const_5_over_2pq = SIMINT_MUL(const_5, one_over_2pq);
288                     const SIMINT_DBLTYPE vrr_const_6_over_2pq = SIMINT_MUL(const_6, one_over_2pq);
289                     const SIMINT_DBLTYPE vrr_const_7_over_2pq = SIMINT_MUL(const_7, one_over_2pq);
290                     const SIMINT_DBLTYPE vrr_const_8_over_2pq = SIMINT_MUL(const_8, one_over_2pq);
291 
292 
293 
294                     // Forming PRIM_INT__s_s_p_s[12 * 3];
295                     for(n = 0; n < 12; ++n)  // loop over orders of auxiliary function
296                     {
297 
298                         PRIM_INT__s_s_p_s[n * 3 + 0] = SIMINT_MUL(Q_PA[0], PRIM_INT__s_s_s_s[n * 1 + 0]);
299                         PRIM_INT__s_s_p_s[n * 3 + 0] = SIMINT_FMADD( aoq_PQ[0], PRIM_INT__s_s_s_s[(n+1) * 1 + 0], PRIM_INT__s_s_p_s[n * 3 + 0]);
300 
301                         PRIM_INT__s_s_p_s[n * 3 + 1] = SIMINT_MUL(Q_PA[1], PRIM_INT__s_s_s_s[n * 1 + 0]);
302                         PRIM_INT__s_s_p_s[n * 3 + 1] = SIMINT_FMADD( aoq_PQ[1], PRIM_INT__s_s_s_s[(n+1) * 1 + 0], PRIM_INT__s_s_p_s[n * 3 + 1]);
303 
304                         PRIM_INT__s_s_p_s[n * 3 + 2] = SIMINT_MUL(Q_PA[2], PRIM_INT__s_s_s_s[n * 1 + 0]);
305                         PRIM_INT__s_s_p_s[n * 3 + 2] = SIMINT_FMADD( aoq_PQ[2], PRIM_INT__s_s_s_s[(n+1) * 1 + 0], PRIM_INT__s_s_p_s[n * 3 + 2]);
306 
307                     }
308 
309 
310 
311                     // Forming PRIM_INT__s_s_d_s[11 * 6];
312                     for(n = 0; n < 11; ++n)  // loop over orders of auxiliary function
313                     {
314 
315                         PRIM_INT__s_s_d_s[n * 6 + 0] = SIMINT_MUL(Q_PA[0], PRIM_INT__s_s_p_s[n * 3 + 0]);
316                         PRIM_INT__s_s_d_s[n * 6 + 0] = SIMINT_FMADD( aoq_PQ[0], PRIM_INT__s_s_p_s[(n+1) * 3 + 0], PRIM_INT__s_s_d_s[n * 6 + 0]);
317                         PRIM_INT__s_s_d_s[n * 6 + 0] = SIMINT_FMADD( vrr_const_1_over_2q, SIMINT_FMADD(a_over_q, PRIM_INT__s_s_s_s[(n+1) * 1 + 0], PRIM_INT__s_s_s_s[n * 1 + 0]), PRIM_INT__s_s_d_s[n * 6 + 0]);
318 
319                         PRIM_INT__s_s_d_s[n * 6 + 1] = SIMINT_MUL(Q_PA[1], PRIM_INT__s_s_p_s[n * 3 + 0]);
320                         PRIM_INT__s_s_d_s[n * 6 + 1] = SIMINT_FMADD( aoq_PQ[1], PRIM_INT__s_s_p_s[(n+1) * 3 + 0], PRIM_INT__s_s_d_s[n * 6 + 1]);
321 
322                         PRIM_INT__s_s_d_s[n * 6 + 2] = SIMINT_MUL(Q_PA[2], PRIM_INT__s_s_p_s[n * 3 + 0]);
323                         PRIM_INT__s_s_d_s[n * 6 + 2] = SIMINT_FMADD( aoq_PQ[2], PRIM_INT__s_s_p_s[(n+1) * 3 + 0], PRIM_INT__s_s_d_s[n * 6 + 2]);
324 
325                         PRIM_INT__s_s_d_s[n * 6 + 3] = SIMINT_MUL(Q_PA[1], PRIM_INT__s_s_p_s[n * 3 + 1]);
326                         PRIM_INT__s_s_d_s[n * 6 + 3] = SIMINT_FMADD( aoq_PQ[1], PRIM_INT__s_s_p_s[(n+1) * 3 + 1], PRIM_INT__s_s_d_s[n * 6 + 3]);
327                         PRIM_INT__s_s_d_s[n * 6 + 3] = SIMINT_FMADD( vrr_const_1_over_2q, SIMINT_FMADD(a_over_q, PRIM_INT__s_s_s_s[(n+1) * 1 + 0], PRIM_INT__s_s_s_s[n * 1 + 0]), PRIM_INT__s_s_d_s[n * 6 + 3]);
328 
329                         PRIM_INT__s_s_d_s[n * 6 + 4] = SIMINT_MUL(Q_PA[2], PRIM_INT__s_s_p_s[n * 3 + 1]);
330                         PRIM_INT__s_s_d_s[n * 6 + 4] = SIMINT_FMADD( aoq_PQ[2], PRIM_INT__s_s_p_s[(n+1) * 3 + 1], PRIM_INT__s_s_d_s[n * 6 + 4]);
331 
332                         PRIM_INT__s_s_d_s[n * 6 + 5] = SIMINT_MUL(Q_PA[2], PRIM_INT__s_s_p_s[n * 3 + 2]);
333                         PRIM_INT__s_s_d_s[n * 6 + 5] = SIMINT_FMADD( aoq_PQ[2], PRIM_INT__s_s_p_s[(n+1) * 3 + 2], PRIM_INT__s_s_d_s[n * 6 + 5]);
334                         PRIM_INT__s_s_d_s[n * 6 + 5] = SIMINT_FMADD( vrr_const_1_over_2q, SIMINT_FMADD(a_over_q, PRIM_INT__s_s_s_s[(n+1) * 1 + 0], PRIM_INT__s_s_s_s[n * 1 + 0]), PRIM_INT__s_s_d_s[n * 6 + 5]);
335 
336                     }
337 
338 
339 
340                     // Forming PRIM_INT__s_s_f_s[10 * 10];
341                     for(n = 0; n < 10; ++n)  // loop over orders of auxiliary function
342                     {
343 
344                         PRIM_INT__s_s_f_s[n * 10 + 0] = SIMINT_MUL(Q_PA[0], PRIM_INT__s_s_d_s[n * 6 + 0]);
345                         PRIM_INT__s_s_f_s[n * 10 + 0] = SIMINT_FMADD( aoq_PQ[0], PRIM_INT__s_s_d_s[(n+1) * 6 + 0], PRIM_INT__s_s_f_s[n * 10 + 0]);
346                         PRIM_INT__s_s_f_s[n * 10 + 0] = SIMINT_FMADD( vrr_const_2_over_2q, SIMINT_FMADD(a_over_q, PRIM_INT__s_s_p_s[(n+1) * 3 + 0], PRIM_INT__s_s_p_s[n * 3 + 0]), PRIM_INT__s_s_f_s[n * 10 + 0]);
347 
348                         PRIM_INT__s_s_f_s[n * 10 + 1] = SIMINT_MUL(Q_PA[1], PRIM_INT__s_s_d_s[n * 6 + 0]);
349                         PRIM_INT__s_s_f_s[n * 10 + 1] = SIMINT_FMADD( aoq_PQ[1], PRIM_INT__s_s_d_s[(n+1) * 6 + 0], PRIM_INT__s_s_f_s[n * 10 + 1]);
350 
351                         PRIM_INT__s_s_f_s[n * 10 + 2] = SIMINT_MUL(Q_PA[2], PRIM_INT__s_s_d_s[n * 6 + 0]);
352                         PRIM_INT__s_s_f_s[n * 10 + 2] = SIMINT_FMADD( aoq_PQ[2], PRIM_INT__s_s_d_s[(n+1) * 6 + 0], PRIM_INT__s_s_f_s[n * 10 + 2]);
353 
354                         PRIM_INT__s_s_f_s[n * 10 + 3] = SIMINT_MUL(Q_PA[0], PRIM_INT__s_s_d_s[n * 6 + 3]);
355                         PRIM_INT__s_s_f_s[n * 10 + 3] = SIMINT_FMADD( aoq_PQ[0], PRIM_INT__s_s_d_s[(n+1) * 6 + 3], PRIM_INT__s_s_f_s[n * 10 + 3]);
356 
357                         PRIM_INT__s_s_f_s[n * 10 + 4] = SIMINT_MUL(Q_PA[2], PRIM_INT__s_s_d_s[n * 6 + 1]);
358                         PRIM_INT__s_s_f_s[n * 10 + 4] = SIMINT_FMADD( aoq_PQ[2], PRIM_INT__s_s_d_s[(n+1) * 6 + 1], PRIM_INT__s_s_f_s[n * 10 + 4]);
359 
360                         PRIM_INT__s_s_f_s[n * 10 + 5] = SIMINT_MUL(Q_PA[0], PRIM_INT__s_s_d_s[n * 6 + 5]);
361                         PRIM_INT__s_s_f_s[n * 10 + 5] = SIMINT_FMADD( aoq_PQ[0], PRIM_INT__s_s_d_s[(n+1) * 6 + 5], PRIM_INT__s_s_f_s[n * 10 + 5]);
362 
363                         PRIM_INT__s_s_f_s[n * 10 + 6] = SIMINT_MUL(Q_PA[1], PRIM_INT__s_s_d_s[n * 6 + 3]);
364                         PRIM_INT__s_s_f_s[n * 10 + 6] = SIMINT_FMADD( aoq_PQ[1], PRIM_INT__s_s_d_s[(n+1) * 6 + 3], PRIM_INT__s_s_f_s[n * 10 + 6]);
365                         PRIM_INT__s_s_f_s[n * 10 + 6] = SIMINT_FMADD( vrr_const_2_over_2q, SIMINT_FMADD(a_over_q, PRIM_INT__s_s_p_s[(n+1) * 3 + 1], PRIM_INT__s_s_p_s[n * 3 + 1]), PRIM_INT__s_s_f_s[n * 10 + 6]);
366 
367                         PRIM_INT__s_s_f_s[n * 10 + 7] = SIMINT_MUL(Q_PA[2], PRIM_INT__s_s_d_s[n * 6 + 3]);
368                         PRIM_INT__s_s_f_s[n * 10 + 7] = SIMINT_FMADD( aoq_PQ[2], PRIM_INT__s_s_d_s[(n+1) * 6 + 3], PRIM_INT__s_s_f_s[n * 10 + 7]);
369 
370                         PRIM_INT__s_s_f_s[n * 10 + 8] = SIMINT_MUL(Q_PA[1], PRIM_INT__s_s_d_s[n * 6 + 5]);
371                         PRIM_INT__s_s_f_s[n * 10 + 8] = SIMINT_FMADD( aoq_PQ[1], PRIM_INT__s_s_d_s[(n+1) * 6 + 5], PRIM_INT__s_s_f_s[n * 10 + 8]);
372 
373                         PRIM_INT__s_s_f_s[n * 10 + 9] = SIMINT_MUL(Q_PA[2], PRIM_INT__s_s_d_s[n * 6 + 5]);
374                         PRIM_INT__s_s_f_s[n * 10 + 9] = SIMINT_FMADD( aoq_PQ[2], PRIM_INT__s_s_d_s[(n+1) * 6 + 5], PRIM_INT__s_s_f_s[n * 10 + 9]);
375                         PRIM_INT__s_s_f_s[n * 10 + 9] = SIMINT_FMADD( vrr_const_2_over_2q, SIMINT_FMADD(a_over_q, PRIM_INT__s_s_p_s[(n+1) * 3 + 2], PRIM_INT__s_s_p_s[n * 3 + 2]), PRIM_INT__s_s_f_s[n * 10 + 9]);
376 
377                     }
378 
379 
380                     VRR_K_s_s_g_s(
381                             PRIM_INT__s_s_g_s,
382                             PRIM_INT__s_s_f_s,
383                             PRIM_INT__s_s_d_s,
384                             Q_PA,
385                             a_over_q,
386                             aoq_PQ,
387                             one_over_2q,
388                             9);
389 
390 
391                     VRR_K_s_s_h_s(
392                             PRIM_INT__s_s_h_s,
393                             PRIM_INT__s_s_g_s,
394                             PRIM_INT__s_s_f_s,
395                             Q_PA,
396                             a_over_q,
397                             aoq_PQ,
398                             one_over_2q,
399                             8);
400 
401 
402                     ostei_general_vrr1_K(6, 7,
403                             one_over_2q, a_over_q, aoq_PQ, Q_PA,
404                             PRIM_INT__s_s_h_s, PRIM_INT__s_s_g_s, PRIM_INT__s_s_i_s);
405 
406 
407                     ostei_general_vrr_I(1, 0, 6, 0, 4,
408                             one_over_2p, a_over_p, one_over_2pq, aop_PQ, P_PA,
409                             PRIM_INT__s_s_i_s, NULL, NULL, PRIM_INT__s_s_h_s, NULL, PRIM_INT__p_s_i_s);
410 
411 
412                     ostei_general_vrr_I(1, 0, 5, 0, 4,
413                             one_over_2p, a_over_p, one_over_2pq, aop_PQ, P_PA,
414                             PRIM_INT__s_s_h_s, NULL, NULL, PRIM_INT__s_s_g_s, NULL, PRIM_INT__p_s_h_s);
415 
416 
417                     ostei_general_vrr_I(2, 0, 6, 0, 3,
418                             one_over_2p, a_over_p, one_over_2pq, aop_PQ, P_PA,
419                             PRIM_INT__p_s_i_s, PRIM_INT__s_s_i_s, NULL, PRIM_INT__p_s_h_s, NULL, PRIM_INT__d_s_i_s);
420 
421 
422                     ostei_general_vrr1_K(7, 6,
423                             one_over_2q, a_over_q, aoq_PQ, Q_PA,
424                             PRIM_INT__s_s_i_s, PRIM_INT__s_s_h_s, PRIM_INT__s_s_k_s);
425 
426 
427                     ostei_general_vrr_I(1, 0, 7, 0, 4,
428                             one_over_2p, a_over_p, one_over_2pq, aop_PQ, P_PA,
429                             PRIM_INT__s_s_k_s, NULL, NULL, PRIM_INT__s_s_i_s, NULL, PRIM_INT__p_s_k_s);
430 
431 
432                     ostei_general_vrr_I(2, 0, 7, 0, 3,
433                             one_over_2p, a_over_p, one_over_2pq, aop_PQ, P_PA,
434                             PRIM_INT__p_s_k_s, PRIM_INT__s_s_k_s, NULL, PRIM_INT__p_s_i_s, NULL, PRIM_INT__d_s_k_s);
435 
436 
437                     VRR_I_p_s_g_s(
438                             PRIM_INT__p_s_g_s,
439                             PRIM_INT__s_s_g_s,
440                             PRIM_INT__s_s_f_s,
441                             P_PA,
442                             aop_PQ,
443                             one_over_2pq,
444                             4);
445 
446 
447                     ostei_general_vrr_I(2, 0, 5, 0, 3,
448                             one_over_2p, a_over_p, one_over_2pq, aop_PQ, P_PA,
449                             PRIM_INT__p_s_h_s, PRIM_INT__s_s_h_s, NULL, PRIM_INT__p_s_g_s, NULL, PRIM_INT__d_s_h_s);
450 
451 
452                     ostei_general_vrr_I(3, 0, 6, 0, 2,
453                             one_over_2p, a_over_p, one_over_2pq, aop_PQ, P_PA,
454                             PRIM_INT__d_s_i_s, PRIM_INT__p_s_i_s, NULL, PRIM_INT__d_s_h_s, NULL, PRIM_INT__f_s_i_s);
455 
456 
457                     ostei_general_vrr1_K(8, 5,
458                             one_over_2q, a_over_q, aoq_PQ, Q_PA,
459                             PRIM_INT__s_s_k_s, PRIM_INT__s_s_i_s, PRIM_INT__s_s_l_s);
460 
461 
462                     ostei_general_vrr_I(1, 0, 8, 0, 4,
463                             one_over_2p, a_over_p, one_over_2pq, aop_PQ, P_PA,
464                             PRIM_INT__s_s_l_s, NULL, NULL, PRIM_INT__s_s_k_s, NULL, PRIM_INT__p_s_l_s);
465 
466 
467                     ostei_general_vrr_I(2, 0, 8, 0, 3,
468                             one_over_2p, a_over_p, one_over_2pq, aop_PQ, P_PA,
469                             PRIM_INT__p_s_l_s, PRIM_INT__s_s_l_s, NULL, PRIM_INT__p_s_k_s, NULL, PRIM_INT__d_s_l_s);
470 
471 
472                     ostei_general_vrr_I(3, 0, 7, 0, 2,
473                             one_over_2p, a_over_p, one_over_2pq, aop_PQ, P_PA,
474                             PRIM_INT__d_s_k_s, PRIM_INT__p_s_k_s, NULL, PRIM_INT__d_s_i_s, NULL, PRIM_INT__f_s_k_s);
475 
476 
477                     VRR_I_p_s_f_s(
478                             PRIM_INT__p_s_f_s,
479                             PRIM_INT__s_s_f_s,
480                             PRIM_INT__s_s_d_s,
481                             P_PA,
482                             aop_PQ,
483                             one_over_2pq,
484                             4);
485 
486 
487                     ostei_general_vrr_I(2, 0, 4, 0, 3,
488                             one_over_2p, a_over_p, one_over_2pq, aop_PQ, P_PA,
489                             PRIM_INT__p_s_g_s, PRIM_INT__s_s_g_s, NULL, PRIM_INT__p_s_f_s, NULL, PRIM_INT__d_s_g_s);
490 
491 
492                     ostei_general_vrr_I(3, 0, 5, 0, 2,
493                             one_over_2p, a_over_p, one_over_2pq, aop_PQ, P_PA,
494                             PRIM_INT__d_s_h_s, PRIM_INT__p_s_h_s, NULL, PRIM_INT__d_s_g_s, NULL, PRIM_INT__f_s_h_s);
495 
496 
497                     ostei_general_vrr_I(4, 0, 6, 0, 1,
498                             one_over_2p, a_over_p, one_over_2pq, aop_PQ, P_PA,
499                             PRIM_INT__f_s_i_s, PRIM_INT__d_s_i_s, NULL, PRIM_INT__f_s_h_s, NULL, PRIM_INT__g_s_i_s);
500 
501 
502                     ostei_general_vrr_I(3, 0, 8, 0, 2,
503                             one_over_2p, a_over_p, one_over_2pq, aop_PQ, P_PA,
504                             PRIM_INT__d_s_l_s, PRIM_INT__p_s_l_s, NULL, PRIM_INT__d_s_k_s, NULL, PRIM_INT__f_s_l_s);
505 
506 
507                     ostei_general_vrr_I(4, 0, 7, 0, 1,
508                             one_over_2p, a_over_p, one_over_2pq, aop_PQ, P_PA,
509                             PRIM_INT__f_s_k_s, PRIM_INT__d_s_k_s, NULL, PRIM_INT__f_s_i_s, NULL, PRIM_INT__g_s_k_s);
510 
511 
512                     ostei_general_vrr_I(4, 0, 8, 0, 1,
513                             one_over_2p, a_over_p, one_over_2pq, aop_PQ, P_PA,
514                             PRIM_INT__f_s_l_s, PRIM_INT__d_s_l_s, NULL, PRIM_INT__f_s_k_s, NULL, PRIM_INT__g_s_l_s);
515 
516 
517 
518 
519                     ////////////////////////////////////
520                     // Accumulate contracted integrals
521                     ////////////////////////////////////
522                     if(lastoffset == 0)
523                     {
524                         contract_all(168, PRIM_INT__d_s_i_s, PRIM_PTR_INT__d_s_i_s);
525                         contract_all(216, PRIM_INT__d_s_k_s, PRIM_PTR_INT__d_s_k_s);
526                         contract_all(270, PRIM_INT__d_s_l_s, PRIM_PTR_INT__d_s_l_s);
527                         contract_all(280, PRIM_INT__f_s_i_s, PRIM_PTR_INT__f_s_i_s);
528                         contract_all(360, PRIM_INT__f_s_k_s, PRIM_PTR_INT__f_s_k_s);
529                         contract_all(450, PRIM_INT__f_s_l_s, PRIM_PTR_INT__f_s_l_s);
530                         contract_all(420, PRIM_INT__g_s_i_s, PRIM_PTR_INT__g_s_i_s);
531                         contract_all(540, PRIM_INT__g_s_k_s, PRIM_PTR_INT__g_s_k_s);
532                         contract_all(675, PRIM_INT__g_s_l_s, PRIM_PTR_INT__g_s_l_s);
533                     }
534                     else
535                     {
536                         contract(168, shelloffsets, PRIM_INT__d_s_i_s, PRIM_PTR_INT__d_s_i_s);
537                         contract(216, shelloffsets, PRIM_INT__d_s_k_s, PRIM_PTR_INT__d_s_k_s);
538                         contract(270, shelloffsets, PRIM_INT__d_s_l_s, PRIM_PTR_INT__d_s_l_s);
539                         contract(280, shelloffsets, PRIM_INT__f_s_i_s, PRIM_PTR_INT__f_s_i_s);
540                         contract(360, shelloffsets, PRIM_INT__f_s_k_s, PRIM_PTR_INT__f_s_k_s);
541                         contract(450, shelloffsets, PRIM_INT__f_s_l_s, PRIM_PTR_INT__f_s_l_s);
542                         contract(420, shelloffsets, PRIM_INT__g_s_i_s, PRIM_PTR_INT__g_s_i_s);
543                         contract(540, shelloffsets, PRIM_INT__g_s_k_s, PRIM_PTR_INT__g_s_k_s);
544                         contract(675, shelloffsets, PRIM_INT__g_s_l_s, PRIM_PTR_INT__g_s_l_s);
545                         PRIM_PTR_INT__d_s_i_s += lastoffset*168;
546                         PRIM_PTR_INT__d_s_k_s += lastoffset*216;
547                         PRIM_PTR_INT__d_s_l_s += lastoffset*270;
548                         PRIM_PTR_INT__f_s_i_s += lastoffset*280;
549                         PRIM_PTR_INT__f_s_k_s += lastoffset*360;
550                         PRIM_PTR_INT__f_s_l_s += lastoffset*450;
551                         PRIM_PTR_INT__g_s_i_s += lastoffset*420;
552                         PRIM_PTR_INT__g_s_k_s += lastoffset*540;
553                         PRIM_PTR_INT__g_s_l_s += lastoffset*675;
554                     }
555 
556                 }  // close loop over j
557             }  // close loop over i
558 
559             //Advance to the next batch
560             jstart = SIMINT_SIMD_ROUND(jend);
561 
562             //////////////////////////////////////////////
563             // Contracted integrals: Horizontal recurrance
564             //////////////////////////////////////////////
565 
566 
567             const double hAB[3] = { P.AB_x[ab], P.AB_y[ab], P.AB_z[ab] };
568 
569 
570             for(abcd = 0; abcd < nshellbatch; ++abcd, ++real_abcd)
571             {
572                 const double hCD[3] = { Q.AB_x[cd+abcd], Q.AB_y[cd+abcd], Q.AB_z[cd+abcd] };
573 
574                 // set up HRR pointers
575                 double const * restrict HRR_INT__d_s_i_s = INT__d_s_i_s + abcd * 168;
576                 double const * restrict HRR_INT__d_s_k_s = INT__d_s_k_s + abcd * 216;
577                 double const * restrict HRR_INT__d_s_l_s = INT__d_s_l_s + abcd * 270;
578                 double const * restrict HRR_INT__f_s_i_s = INT__f_s_i_s + abcd * 280;
579                 double const * restrict HRR_INT__f_s_k_s = INT__f_s_k_s + abcd * 360;
580                 double const * restrict HRR_INT__f_s_l_s = INT__f_s_l_s + abcd * 450;
581                 double const * restrict HRR_INT__g_s_i_s = INT__g_s_i_s + abcd * 420;
582                 double const * restrict HRR_INT__g_s_k_s = INT__g_s_k_s + abcd * 540;
583                 double const * restrict HRR_INT__g_s_l_s = INT__g_s_l_s + abcd * 675;
584                 double * restrict HRR_INT__d_d_i_d = INT__d_d_i_d + real_abcd * 6048;
585 
586                 // form INT__d_p_i_s
587                 for(iket = 0; iket < 28; ++iket)
588                 {
589                     HRR_INT__d_p_i_s[0 * 28 + iket] = HRR_INT__f_s_i_s[0 * 28 + iket] + ( hAB[0] * HRR_INT__d_s_i_s[0 * 28 + iket] );
590 
591                     HRR_INT__d_p_i_s[1 * 28 + iket] = HRR_INT__f_s_i_s[1 * 28 + iket] + ( hAB[1] * HRR_INT__d_s_i_s[0 * 28 + iket] );
592 
593                     HRR_INT__d_p_i_s[2 * 28 + iket] = HRR_INT__f_s_i_s[2 * 28 + iket] + ( hAB[2] * HRR_INT__d_s_i_s[0 * 28 + iket] );
594 
595                     HRR_INT__d_p_i_s[3 * 28 + iket] = HRR_INT__f_s_i_s[1 * 28 + iket] + ( hAB[0] * HRR_INT__d_s_i_s[1 * 28 + iket] );
596 
597                     HRR_INT__d_p_i_s[4 * 28 + iket] = HRR_INT__f_s_i_s[3 * 28 + iket] + ( hAB[1] * HRR_INT__d_s_i_s[1 * 28 + iket] );
598 
599                     HRR_INT__d_p_i_s[5 * 28 + iket] = HRR_INT__f_s_i_s[4 * 28 + iket] + ( hAB[2] * HRR_INT__d_s_i_s[1 * 28 + iket] );
600 
601                     HRR_INT__d_p_i_s[6 * 28 + iket] = HRR_INT__f_s_i_s[2 * 28 + iket] + ( hAB[0] * HRR_INT__d_s_i_s[2 * 28 + iket] );
602 
603                     HRR_INT__d_p_i_s[7 * 28 + iket] = HRR_INT__f_s_i_s[4 * 28 + iket] + ( hAB[1] * HRR_INT__d_s_i_s[2 * 28 + iket] );
604 
605                     HRR_INT__d_p_i_s[8 * 28 + iket] = HRR_INT__f_s_i_s[5 * 28 + iket] + ( hAB[2] * HRR_INT__d_s_i_s[2 * 28 + iket] );
606 
607                     HRR_INT__d_p_i_s[9 * 28 + iket] = HRR_INT__f_s_i_s[3 * 28 + iket] + ( hAB[0] * HRR_INT__d_s_i_s[3 * 28 + iket] );
608 
609                     HRR_INT__d_p_i_s[10 * 28 + iket] = HRR_INT__f_s_i_s[6 * 28 + iket] + ( hAB[1] * HRR_INT__d_s_i_s[3 * 28 + iket] );
610 
611                     HRR_INT__d_p_i_s[11 * 28 + iket] = HRR_INT__f_s_i_s[7 * 28 + iket] + ( hAB[2] * HRR_INT__d_s_i_s[3 * 28 + iket] );
612 
613                     HRR_INT__d_p_i_s[12 * 28 + iket] = HRR_INT__f_s_i_s[4 * 28 + iket] + ( hAB[0] * HRR_INT__d_s_i_s[4 * 28 + iket] );
614 
615                     HRR_INT__d_p_i_s[13 * 28 + iket] = HRR_INT__f_s_i_s[7 * 28 + iket] + ( hAB[1] * HRR_INT__d_s_i_s[4 * 28 + iket] );
616 
617                     HRR_INT__d_p_i_s[14 * 28 + iket] = HRR_INT__f_s_i_s[8 * 28 + iket] + ( hAB[2] * HRR_INT__d_s_i_s[4 * 28 + iket] );
618 
619                     HRR_INT__d_p_i_s[15 * 28 + iket] = HRR_INT__f_s_i_s[5 * 28 + iket] + ( hAB[0] * HRR_INT__d_s_i_s[5 * 28 + iket] );
620 
621                     HRR_INT__d_p_i_s[16 * 28 + iket] = HRR_INT__f_s_i_s[8 * 28 + iket] + ( hAB[1] * HRR_INT__d_s_i_s[5 * 28 + iket] );
622 
623                     HRR_INT__d_p_i_s[17 * 28 + iket] = HRR_INT__f_s_i_s[9 * 28 + iket] + ( hAB[2] * HRR_INT__d_s_i_s[5 * 28 + iket] );
624 
625                 }
626 
627 
628                 // form INT__d_p_k_s
629                 for(iket = 0; iket < 36; ++iket)
630                 {
631                     HRR_INT__d_p_k_s[0 * 36 + iket] = HRR_INT__f_s_k_s[0 * 36 + iket] + ( hAB[0] * HRR_INT__d_s_k_s[0 * 36 + iket] );
632 
633                     HRR_INT__d_p_k_s[1 * 36 + iket] = HRR_INT__f_s_k_s[1 * 36 + iket] + ( hAB[1] * HRR_INT__d_s_k_s[0 * 36 + iket] );
634 
635                     HRR_INT__d_p_k_s[2 * 36 + iket] = HRR_INT__f_s_k_s[2 * 36 + iket] + ( hAB[2] * HRR_INT__d_s_k_s[0 * 36 + iket] );
636 
637                     HRR_INT__d_p_k_s[3 * 36 + iket] = HRR_INT__f_s_k_s[1 * 36 + iket] + ( hAB[0] * HRR_INT__d_s_k_s[1 * 36 + iket] );
638 
639                     HRR_INT__d_p_k_s[4 * 36 + iket] = HRR_INT__f_s_k_s[3 * 36 + iket] + ( hAB[1] * HRR_INT__d_s_k_s[1 * 36 + iket] );
640 
641                     HRR_INT__d_p_k_s[5 * 36 + iket] = HRR_INT__f_s_k_s[4 * 36 + iket] + ( hAB[2] * HRR_INT__d_s_k_s[1 * 36 + iket] );
642 
643                     HRR_INT__d_p_k_s[6 * 36 + iket] = HRR_INT__f_s_k_s[2 * 36 + iket] + ( hAB[0] * HRR_INT__d_s_k_s[2 * 36 + iket] );
644 
645                     HRR_INT__d_p_k_s[7 * 36 + iket] = HRR_INT__f_s_k_s[4 * 36 + iket] + ( hAB[1] * HRR_INT__d_s_k_s[2 * 36 + iket] );
646 
647                     HRR_INT__d_p_k_s[8 * 36 + iket] = HRR_INT__f_s_k_s[5 * 36 + iket] + ( hAB[2] * HRR_INT__d_s_k_s[2 * 36 + iket] );
648 
649                     HRR_INT__d_p_k_s[9 * 36 + iket] = HRR_INT__f_s_k_s[3 * 36 + iket] + ( hAB[0] * HRR_INT__d_s_k_s[3 * 36 + iket] );
650 
651                     HRR_INT__d_p_k_s[10 * 36 + iket] = HRR_INT__f_s_k_s[6 * 36 + iket] + ( hAB[1] * HRR_INT__d_s_k_s[3 * 36 + iket] );
652 
653                     HRR_INT__d_p_k_s[11 * 36 + iket] = HRR_INT__f_s_k_s[7 * 36 + iket] + ( hAB[2] * HRR_INT__d_s_k_s[3 * 36 + iket] );
654 
655                     HRR_INT__d_p_k_s[12 * 36 + iket] = HRR_INT__f_s_k_s[4 * 36 + iket] + ( hAB[0] * HRR_INT__d_s_k_s[4 * 36 + iket] );
656 
657                     HRR_INT__d_p_k_s[13 * 36 + iket] = HRR_INT__f_s_k_s[7 * 36 + iket] + ( hAB[1] * HRR_INT__d_s_k_s[4 * 36 + iket] );
658 
659                     HRR_INT__d_p_k_s[14 * 36 + iket] = HRR_INT__f_s_k_s[8 * 36 + iket] + ( hAB[2] * HRR_INT__d_s_k_s[4 * 36 + iket] );
660 
661                     HRR_INT__d_p_k_s[15 * 36 + iket] = HRR_INT__f_s_k_s[5 * 36 + iket] + ( hAB[0] * HRR_INT__d_s_k_s[5 * 36 + iket] );
662 
663                     HRR_INT__d_p_k_s[16 * 36 + iket] = HRR_INT__f_s_k_s[8 * 36 + iket] + ( hAB[1] * HRR_INT__d_s_k_s[5 * 36 + iket] );
664 
665                     HRR_INT__d_p_k_s[17 * 36 + iket] = HRR_INT__f_s_k_s[9 * 36 + iket] + ( hAB[2] * HRR_INT__d_s_k_s[5 * 36 + iket] );
666 
667                 }
668 
669 
670                 // form INT__d_p_l_s
671                 for(iket = 0; iket < 45; ++iket)
672                 {
673                     HRR_INT__d_p_l_s[0 * 45 + iket] = HRR_INT__f_s_l_s[0 * 45 + iket] + ( hAB[0] * HRR_INT__d_s_l_s[0 * 45 + iket] );
674 
675                     HRR_INT__d_p_l_s[1 * 45 + iket] = HRR_INT__f_s_l_s[1 * 45 + iket] + ( hAB[1] * HRR_INT__d_s_l_s[0 * 45 + iket] );
676 
677                     HRR_INT__d_p_l_s[2 * 45 + iket] = HRR_INT__f_s_l_s[2 * 45 + iket] + ( hAB[2] * HRR_INT__d_s_l_s[0 * 45 + iket] );
678 
679                     HRR_INT__d_p_l_s[3 * 45 + iket] = HRR_INT__f_s_l_s[1 * 45 + iket] + ( hAB[0] * HRR_INT__d_s_l_s[1 * 45 + iket] );
680 
681                     HRR_INT__d_p_l_s[4 * 45 + iket] = HRR_INT__f_s_l_s[3 * 45 + iket] + ( hAB[1] * HRR_INT__d_s_l_s[1 * 45 + iket] );
682 
683                     HRR_INT__d_p_l_s[5 * 45 + iket] = HRR_INT__f_s_l_s[4 * 45 + iket] + ( hAB[2] * HRR_INT__d_s_l_s[1 * 45 + iket] );
684 
685                     HRR_INT__d_p_l_s[6 * 45 + iket] = HRR_INT__f_s_l_s[2 * 45 + iket] + ( hAB[0] * HRR_INT__d_s_l_s[2 * 45 + iket] );
686 
687                     HRR_INT__d_p_l_s[7 * 45 + iket] = HRR_INT__f_s_l_s[4 * 45 + iket] + ( hAB[1] * HRR_INT__d_s_l_s[2 * 45 + iket] );
688 
689                     HRR_INT__d_p_l_s[8 * 45 + iket] = HRR_INT__f_s_l_s[5 * 45 + iket] + ( hAB[2] * HRR_INT__d_s_l_s[2 * 45 + iket] );
690 
691                     HRR_INT__d_p_l_s[9 * 45 + iket] = HRR_INT__f_s_l_s[3 * 45 + iket] + ( hAB[0] * HRR_INT__d_s_l_s[3 * 45 + iket] );
692 
693                     HRR_INT__d_p_l_s[10 * 45 + iket] = HRR_INT__f_s_l_s[6 * 45 + iket] + ( hAB[1] * HRR_INT__d_s_l_s[3 * 45 + iket] );
694 
695                     HRR_INT__d_p_l_s[11 * 45 + iket] = HRR_INT__f_s_l_s[7 * 45 + iket] + ( hAB[2] * HRR_INT__d_s_l_s[3 * 45 + iket] );
696 
697                     HRR_INT__d_p_l_s[12 * 45 + iket] = HRR_INT__f_s_l_s[4 * 45 + iket] + ( hAB[0] * HRR_INT__d_s_l_s[4 * 45 + iket] );
698 
699                     HRR_INT__d_p_l_s[13 * 45 + iket] = HRR_INT__f_s_l_s[7 * 45 + iket] + ( hAB[1] * HRR_INT__d_s_l_s[4 * 45 + iket] );
700 
701                     HRR_INT__d_p_l_s[14 * 45 + iket] = HRR_INT__f_s_l_s[8 * 45 + iket] + ( hAB[2] * HRR_INT__d_s_l_s[4 * 45 + iket] );
702 
703                     HRR_INT__d_p_l_s[15 * 45 + iket] = HRR_INT__f_s_l_s[5 * 45 + iket] + ( hAB[0] * HRR_INT__d_s_l_s[5 * 45 + iket] );
704 
705                     HRR_INT__d_p_l_s[16 * 45 + iket] = HRR_INT__f_s_l_s[8 * 45 + iket] + ( hAB[1] * HRR_INT__d_s_l_s[5 * 45 + iket] );
706 
707                     HRR_INT__d_p_l_s[17 * 45 + iket] = HRR_INT__f_s_l_s[9 * 45 + iket] + ( hAB[2] * HRR_INT__d_s_l_s[5 * 45 + iket] );
708 
709                 }
710 
711 
712                 // form INT__f_p_i_s
713                 HRR_J_f_p(
714                     HRR_INT__f_p_i_s,
715                     HRR_INT__f_s_i_s,
716                     HRR_INT__g_s_i_s,
717                     hAB, 28);
718 
719                 // form INT__f_p_k_s
720                 HRR_J_f_p(
721                     HRR_INT__f_p_k_s,
722                     HRR_INT__f_s_k_s,
723                     HRR_INT__g_s_k_s,
724                     hAB, 36);
725 
726                 // form INT__f_p_l_s
727                 HRR_J_f_p(
728                     HRR_INT__f_p_l_s,
729                     HRR_INT__f_s_l_s,
730                     HRR_INT__g_s_l_s,
731                     hAB, 45);
732 
733                 // form INT__d_d_i_s
734                 HRR_J_d_d(
735                     HRR_INT__d_d_i_s,
736                     HRR_INT__d_p_i_s,
737                     HRR_INT__f_p_i_s,
738                     hAB, 28);
739 
740                 // form INT__d_d_k_s
741                 HRR_J_d_d(
742                     HRR_INT__d_d_k_s,
743                     HRR_INT__d_p_k_s,
744                     HRR_INT__f_p_k_s,
745                     hAB, 36);
746 
747                 // form INT__d_d_l_s
748                 HRR_J_d_d(
749                     HRR_INT__d_d_l_s,
750                     HRR_INT__d_p_l_s,
751                     HRR_INT__f_p_l_s,
752                     hAB, 45);
753 
754                 // form INT__d_d_i_p
755                 ostei_general_hrr_L(2, 2, 6, 1, hCD, HRR_INT__d_d_k_s, HRR_INT__d_d_i_s, HRR_INT__d_d_i_p);
756 
757                 // form INT__d_d_k_p
758                 ostei_general_hrr_L(2, 2, 7, 1, hCD, HRR_INT__d_d_l_s, HRR_INT__d_d_k_s, HRR_INT__d_d_k_p);
759 
760                 // form INT__d_d_i_d
761                 ostei_general_hrr_L(2, 2, 6, 2, hCD, HRR_INT__d_d_k_p, HRR_INT__d_d_i_p, HRR_INT__d_d_i_d);
762 
763 
764             }  // close HRR loop
765 
766 
767         }   // close loop cdbatch
768 
769         istart = iend;
770     }  // close loop over ab
771 
772     return P.nshell12_clip * Q.nshell12_clip;
773 }
774 
ostei_d_d_d_i(struct simint_multi_shellpair const P,struct simint_multi_shellpair const Q,double screen_tol,double * const restrict work,double * const restrict INT__d_d_d_i)775 int ostei_d_d_d_i(struct simint_multi_shellpair const P,
776                   struct simint_multi_shellpair const Q,
777                   double screen_tol,
778                   double * const restrict work,
779                   double * const restrict INT__d_d_d_i)
780 {
781     double Q_AB[3*Q.nshell12];
782     struct simint_multi_shellpair Q_tmp = Q;
783     Q_tmp.PA_x = Q.PB_x;  Q_tmp.PA_y = Q.PB_y;  Q_tmp.PA_z = Q.PB_z;
784     Q_tmp.PB_x = Q.PA_x;  Q_tmp.PB_y = Q.PA_y;  Q_tmp.PB_z = Q.PA_z;
785     Q_tmp.AB_x = Q_AB;
786     Q_tmp.AB_y = Q_AB + Q.nshell12;
787     Q_tmp.AB_z = Q_AB + 2*Q.nshell12;
788 
789     for(int i = 0; i < Q.nshell12; i++)
790     {
791         Q_tmp.AB_x[i] = -Q.AB_x[i];
792         Q_tmp.AB_y[i] = -Q.AB_y[i];
793         Q_tmp.AB_z[i] = -Q.AB_z[i];
794     }
795 
796     int ret = ostei_d_d_i_d(P, Q_tmp, screen_tol, work, INT__d_d_d_i);
797     double buffer[6048] SIMINT_ALIGN_ARRAY_DBL;
798 
799     for(int q = 0; q < ret; q++)
800     {
801         int idx = 0;
802         for(int a = 0; a < 6; ++a)
803         for(int b = 0; b < 6; ++b)
804         for(int c = 0; c < 6; ++c)
805         for(int d = 0; d < 28; ++d)
806             buffer[idx++] = INT__d_d_d_i[q*6048+a*1008+b*168+d*6+c];
807 
808         memcpy(INT__d_d_d_i+q*6048, buffer, 6048*sizeof(double));
809     }
810 
811     return ret;
812 }
813 
814