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_k_g_f_s(struct simint_multi_shellpair const P,struct simint_multi_shellpair const Q,double screen_tol,double * const restrict work,double * const restrict INT__k_g_f_s)8 int ostei_k_g_f_s(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__k_g_f_s)
13 {
14 
15     SIMINT_ASSUME_ALIGN_DBL(work);
16     SIMINT_ASSUME_ALIGN_DBL(INT__k_g_f_s);
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 
27     // partition workspace
28     double * const INT__k_s_f_s = work + (SIMINT_NSHELL_SIMD * 0);
29     double * const INT__l_s_f_s = work + (SIMINT_NSHELL_SIMD * 360);
30     double * const INT__m_s_f_s = work + (SIMINT_NSHELL_SIMD * 810);
31     double * const INT__n_s_f_s = work + (SIMINT_NSHELL_SIMD * 1360);
32     double * const INT__o_s_f_s = work + (SIMINT_NSHELL_SIMD * 2020);
33     SIMINT_DBLTYPE * const primwork = (SIMINT_DBLTYPE *)(work + SIMINT_NSHELL_SIMD*2800);
34     SIMINT_DBLTYPE * const restrict PRIM_INT__s_s_s_s = primwork + 0;
35     SIMINT_DBLTYPE * const restrict PRIM_INT__p_s_s_s = primwork + 15;
36     SIMINT_DBLTYPE * const restrict PRIM_INT__d_s_s_s = primwork + 57;
37     SIMINT_DBLTYPE * const restrict PRIM_INT__f_s_s_s = primwork + 135;
38     SIMINT_DBLTYPE * const restrict PRIM_INT__g_s_s_s = primwork + 255;
39     SIMINT_DBLTYPE * const restrict PRIM_INT__h_s_s_s = primwork + 420;
40     SIMINT_DBLTYPE * const restrict PRIM_INT__h_s_p_s = primwork + 630;
41     SIMINT_DBLTYPE * const restrict PRIM_INT__i_s_s_s = primwork + 819;
42     SIMINT_DBLTYPE * const restrict PRIM_INT__i_s_p_s = primwork + 1071;
43     SIMINT_DBLTYPE * const restrict PRIM_INT__i_s_d_s = primwork + 1323;
44     SIMINT_DBLTYPE * const restrict PRIM_INT__k_s_s_s = primwork + 1659;
45     SIMINT_DBLTYPE * const restrict PRIM_INT__k_s_p_s = primwork + 1947;
46     SIMINT_DBLTYPE * const restrict PRIM_INT__k_s_d_s = primwork + 2271;
47     SIMINT_DBLTYPE * const restrict PRIM_INT__k_s_f_s = primwork + 2703;
48     SIMINT_DBLTYPE * const restrict PRIM_INT__l_s_s_s = primwork + 3063;
49     SIMINT_DBLTYPE * const restrict PRIM_INT__l_s_p_s = primwork + 3378;
50     SIMINT_DBLTYPE * const restrict PRIM_INT__l_s_d_s = primwork + 3783;
51     SIMINT_DBLTYPE * const restrict PRIM_INT__l_s_f_s = primwork + 4323;
52     SIMINT_DBLTYPE * const restrict PRIM_INT__m_s_s_s = primwork + 4773;
53     SIMINT_DBLTYPE * const restrict PRIM_INT__m_s_p_s = primwork + 5103;
54     SIMINT_DBLTYPE * const restrict PRIM_INT__m_s_d_s = primwork + 5598;
55     SIMINT_DBLTYPE * const restrict PRIM_INT__m_s_f_s = primwork + 6258;
56     SIMINT_DBLTYPE * const restrict PRIM_INT__n_s_s_s = primwork + 6808;
57     SIMINT_DBLTYPE * const restrict PRIM_INT__n_s_p_s = primwork + 7138;
58     SIMINT_DBLTYPE * const restrict PRIM_INT__n_s_d_s = primwork + 7732;
59     SIMINT_DBLTYPE * const restrict PRIM_INT__n_s_f_s = primwork + 8524;
60     SIMINT_DBLTYPE * const restrict PRIM_INT__o_s_s_s = primwork + 9184;
61     SIMINT_DBLTYPE * const restrict PRIM_INT__o_s_p_s = primwork + 9496;
62     SIMINT_DBLTYPE * const restrict PRIM_INT__o_s_d_s = primwork + 10198;
63     SIMINT_DBLTYPE * const restrict PRIM_INT__o_s_f_s = primwork + 11134;
64     double * const hrrwork = (double *)(primwork + 11914);
65     double * const HRR_INT__k_p_f_s = hrrwork + 0;
66     double * const HRR_INT__k_d_f_s = hrrwork + 1080;
67     double * const HRR_INT__k_f_f_s = hrrwork + 3240;
68     double * const HRR_INT__l_p_f_s = hrrwork + 6840;
69     double * const HRR_INT__l_d_f_s = hrrwork + 8190;
70     double * const HRR_INT__l_f_f_s = hrrwork + 10890;
71     double * const HRR_INT__m_p_f_s = hrrwork + 15390;
72     double * const HRR_INT__m_d_f_s = hrrwork + 17040;
73     double * const HRR_INT__n_p_f_s = hrrwork + 20340;
74 
75 
76     // Create constants
77     const SIMINT_DBLTYPE const_1 = SIMINT_DBLSET1(1);
78     const SIMINT_DBLTYPE const_10 = SIMINT_DBLSET1(10);
79     const SIMINT_DBLTYPE const_11 = SIMINT_DBLSET1(11);
80     const SIMINT_DBLTYPE const_2 = SIMINT_DBLSET1(2);
81     const SIMINT_DBLTYPE const_3 = SIMINT_DBLSET1(3);
82     const SIMINT_DBLTYPE const_4 = SIMINT_DBLSET1(4);
83     const SIMINT_DBLTYPE const_5 = SIMINT_DBLSET1(5);
84     const SIMINT_DBLTYPE const_6 = SIMINT_DBLSET1(6);
85     const SIMINT_DBLTYPE const_7 = SIMINT_DBLSET1(7);
86     const SIMINT_DBLTYPE const_8 = SIMINT_DBLSET1(8);
87     const SIMINT_DBLTYPE const_9 = SIMINT_DBLSET1(9);
88     const SIMINT_DBLTYPE one_half = SIMINT_DBLSET1(0.5);
89 
90 
91     ////////////////////////////////////////
92     // Loop over shells and primitives
93     ////////////////////////////////////////
94 
95     real_abcd = 0;
96     istart = 0;
97     for(ab = 0; ab < P.nshell12_clip; ++ab)
98     {
99         const int iend = istart + P.nprim12[ab];
100 
101         cd = 0;
102         jstart = 0;
103 
104         for(cd = 0; cd < Q.nshell12_clip; cd += SIMINT_NSHELL_SIMD)
105         {
106             const int nshellbatch = ((cd + SIMINT_NSHELL_SIMD) > Q.nshell12_clip) ? Q.nshell12_clip - cd : SIMINT_NSHELL_SIMD;
107             int jend = jstart;
108             for(i = 0; i < nshellbatch; i++)
109                 jend += Q.nprim12[cd+i];
110 
111             // Clear the beginning of the workspace (where we are accumulating integrals)
112             memset(work, 0, SIMINT_NSHELL_SIMD * 2800 * sizeof(double));
113             abcd = 0;
114 
115 
116             for(i = istart; i < iend; ++i)
117             {
118                 SIMINT_DBLTYPE bra_screen_max;  // only used if check_screen
119 
120                 if(check_screen)
121                 {
122                     // Skip this whole thing if always insignificant
123                     if((P.screen[i] * Q.screen_max) < screen_tol)
124                         continue;
125                     bra_screen_max = SIMINT_DBLSET1(P.screen[i]);
126                 }
127 
128                 icd = 0;
129                 iprimcd = 0;
130                 nprim_icd = Q.nprim12[cd];
131                 double * restrict PRIM_PTR_INT__k_s_f_s = INT__k_s_f_s + abcd * 360;
132                 double * restrict PRIM_PTR_INT__l_s_f_s = INT__l_s_f_s + abcd * 450;
133                 double * restrict PRIM_PTR_INT__m_s_f_s = INT__m_s_f_s + abcd * 550;
134                 double * restrict PRIM_PTR_INT__n_s_f_s = INT__n_s_f_s + abcd * 660;
135                 double * restrict PRIM_PTR_INT__o_s_f_s = INT__o_s_f_s + abcd * 780;
136 
137 
138 
139                 // Load these one per loop over i
140                 const SIMINT_DBLTYPE P_alpha = SIMINT_DBLSET1(P.alpha[i]);
141                 const SIMINT_DBLTYPE P_prefac = SIMINT_DBLSET1(P.prefac[i]);
142                 const SIMINT_DBLTYPE Pxyz[3] = { SIMINT_DBLSET1(P.x[i]), SIMINT_DBLSET1(P.y[i]), SIMINT_DBLSET1(P.z[i]) };
143 
144                 const SIMINT_DBLTYPE P_PA[3] = { SIMINT_DBLSET1(P.PA_x[i]), SIMINT_DBLSET1(P.PA_y[i]), SIMINT_DBLSET1(P.PA_z[i]) };
145 
146                 for(j = jstart; j < jend; j += SIMINT_SIMD_LEN)
147                 {
148                     // calculate the shell offsets
149                     // these are the offset from the shell pointed to by cd
150                     // for each element
151                     int shelloffsets[SIMINT_SIMD_LEN] = {0};
152                     int lastoffset = 0;
153                     const int nlane = ( ((j + SIMINT_SIMD_LEN) < jend) ? SIMINT_SIMD_LEN : (jend - j));
154 
155                     if((iprimcd + SIMINT_SIMD_LEN) >= nprim_icd)
156                     {
157                         // Handle if the first element of the vector is a new shell
158                         if(iprimcd >= nprim_icd && ((icd+1) < nshellbatch))
159                         {
160                             nprim_icd += Q.nprim12[cd + (++icd)];
161                             PRIM_PTR_INT__k_s_f_s += 360;
162                             PRIM_PTR_INT__l_s_f_s += 450;
163                             PRIM_PTR_INT__m_s_f_s += 550;
164                             PRIM_PTR_INT__n_s_f_s += 660;
165                             PRIM_PTR_INT__o_s_f_s += 780;
166                         }
167                         iprimcd++;
168                         for(n = 1; n < SIMINT_SIMD_LEN; ++n)
169                         {
170                             if(iprimcd >= nprim_icd && ((icd+1) < nshellbatch))
171                             {
172                                 shelloffsets[n] = shelloffsets[n-1] + 1;
173                                 lastoffset++;
174                                 nprim_icd += Q.nprim12[cd + (++icd)];
175                             }
176                             else
177                                 shelloffsets[n] = shelloffsets[n-1];
178                             iprimcd++;
179                         }
180                     }
181                     else
182                         iprimcd += SIMINT_SIMD_LEN;
183 
184                     // Do we have to compute this vector (or has it been screened out)?
185                     // (not_screened != 0 means we have to do this vector)
186                     if(check_screen)
187                     {
188                         const double vmax = vector_max(SIMINT_MUL(bra_screen_max, SIMINT_DBLLOAD(Q.screen, j)));
189                         if(vmax < screen_tol)
190                         {
191                             PRIM_PTR_INT__k_s_f_s += lastoffset*360;
192                             PRIM_PTR_INT__l_s_f_s += lastoffset*450;
193                             PRIM_PTR_INT__m_s_f_s += lastoffset*550;
194                             PRIM_PTR_INT__n_s_f_s += lastoffset*660;
195                             PRIM_PTR_INT__o_s_f_s += lastoffset*780;
196                             continue;
197                         }
198                     }
199 
200                     const SIMINT_DBLTYPE Q_alpha = SIMINT_DBLLOAD(Q.alpha, j);
201                     const SIMINT_DBLTYPE PQalpha_mul = SIMINT_MUL(P_alpha, Q_alpha);
202                     const SIMINT_DBLTYPE PQalpha_sum = SIMINT_ADD(P_alpha, Q_alpha);
203                     const SIMINT_DBLTYPE one_over_PQalpha_sum = SIMINT_DIV(const_1, PQalpha_sum);
204 
205 
206                     /* construct R2 = (Px - Qx)**2 + (Py - Qy)**2 + (Pz -Qz)**2 */
207                     SIMINT_DBLTYPE PQ[3];
208                     PQ[0] = SIMINT_SUB(Pxyz[0], SIMINT_DBLLOAD(Q.x, j));
209                     PQ[1] = SIMINT_SUB(Pxyz[1], SIMINT_DBLLOAD(Q.y, j));
210                     PQ[2] = SIMINT_SUB(Pxyz[2], SIMINT_DBLLOAD(Q.z, j));
211                     SIMINT_DBLTYPE R2 = SIMINT_MUL(PQ[0], PQ[0]);
212                     R2 = SIMINT_FMADD(PQ[1], PQ[1], R2);
213                     R2 = SIMINT_FMADD(PQ[2], PQ[2], R2);
214 
215                     const SIMINT_DBLTYPE alpha = SIMINT_MUL(PQalpha_mul, one_over_PQalpha_sum); // alpha from MEST
216                     const SIMINT_DBLTYPE one_over_p = SIMINT_DIV(const_1, P_alpha);
217                     const SIMINT_DBLTYPE one_over_q = SIMINT_DIV(const_1, Q_alpha);
218                     const SIMINT_DBLTYPE one_over_2p = SIMINT_MUL(one_half, one_over_p);
219                     const SIMINT_DBLTYPE one_over_2q = SIMINT_MUL(one_half, one_over_q);
220                     const SIMINT_DBLTYPE one_over_2pq = SIMINT_MUL(one_half, one_over_PQalpha_sum);
221                     const SIMINT_DBLTYPE Q_PA[3] = { SIMINT_DBLLOAD(Q.PA_x, j), SIMINT_DBLLOAD(Q.PA_y, j), SIMINT_DBLLOAD(Q.PA_z, j) };
222 
223                     // NOTE: Minus sign!
224                     const SIMINT_DBLTYPE a_over_p = SIMINT_MUL(SIMINT_NEG(alpha), one_over_p);
225                     SIMINT_DBLTYPE aop_PQ[3];
226                     aop_PQ[0] = SIMINT_MUL(a_over_p, PQ[0]);
227                     aop_PQ[1] = SIMINT_MUL(a_over_p, PQ[1]);
228                     aop_PQ[2] = SIMINT_MUL(a_over_p, PQ[2]);
229 
230                     SIMINT_DBLTYPE a_over_q = SIMINT_MUL(alpha, one_over_q);
231                     SIMINT_DBLTYPE aoq_PQ[3];
232                     aoq_PQ[0] = SIMINT_MUL(a_over_q, PQ[0]);
233                     aoq_PQ[1] = SIMINT_MUL(a_over_q, PQ[1]);
234                     aoq_PQ[2] = SIMINT_MUL(a_over_q, PQ[2]);
235                     // Put a minus sign here so we don't have to in RR routines
236                     a_over_q = SIMINT_NEG(a_over_q);
237 
238 
239                     //////////////////////////////////////////////
240                     // Fjt function section
241                     // Maximum v value: 14
242                     //////////////////////////////////////////////
243                     // The parameter to the Fjt function
244                     const SIMINT_DBLTYPE F_x = SIMINT_MUL(R2, alpha);
245 
246 
247                     const SIMINT_DBLTYPE Q_prefac = mask_load(nlane, Q.prefac + j);
248 
249 
250                     boys_F_split(PRIM_INT__s_s_s_s, F_x, 14);
251                     SIMINT_DBLTYPE prefac = SIMINT_SQRT(one_over_PQalpha_sum);
252                     prefac = SIMINT_MUL(SIMINT_MUL(P_prefac, Q_prefac), prefac);
253                     for(n = 0; n <= 14; n++)
254                         PRIM_INT__s_s_s_s[n] = SIMINT_MUL(PRIM_INT__s_s_s_s[n], prefac);
255 
256                     //////////////////////////////////////////////
257                     // Primitive integrals: Vertical recurrance
258                     //////////////////////////////////////////////
259 
260                     const SIMINT_DBLTYPE vrr_const_1_over_2p = one_over_2p;
261                     const SIMINT_DBLTYPE vrr_const_2_over_2p = SIMINT_MUL(const_2, one_over_2p);
262                     const SIMINT_DBLTYPE vrr_const_3_over_2p = SIMINT_MUL(const_3, one_over_2p);
263                     const SIMINT_DBLTYPE vrr_const_4_over_2p = SIMINT_MUL(const_4, one_over_2p);
264                     const SIMINT_DBLTYPE vrr_const_5_over_2p = SIMINT_MUL(const_5, one_over_2p);
265                     const SIMINT_DBLTYPE vrr_const_6_over_2p = SIMINT_MUL(const_6, one_over_2p);
266                     const SIMINT_DBLTYPE vrr_const_7_over_2p = SIMINT_MUL(const_7, one_over_2p);
267                     const SIMINT_DBLTYPE vrr_const_8_over_2p = SIMINT_MUL(const_8, one_over_2p);
268                     const SIMINT_DBLTYPE vrr_const_9_over_2p = SIMINT_MUL(const_9, one_over_2p);
269                     const SIMINT_DBLTYPE vrr_const_10_over_2p = SIMINT_MUL(const_10, one_over_2p);
270                     const SIMINT_DBLTYPE vrr_const_1_over_2q = one_over_2q;
271                     const SIMINT_DBLTYPE vrr_const_2_over_2q = SIMINT_MUL(const_2, one_over_2q);
272                     const SIMINT_DBLTYPE vrr_const_1_over_2pq = one_over_2pq;
273                     const SIMINT_DBLTYPE vrr_const_2_over_2pq = SIMINT_MUL(const_2, one_over_2pq);
274                     const SIMINT_DBLTYPE vrr_const_3_over_2pq = SIMINT_MUL(const_3, one_over_2pq);
275                     const SIMINT_DBLTYPE vrr_const_4_over_2pq = SIMINT_MUL(const_4, one_over_2pq);
276                     const SIMINT_DBLTYPE vrr_const_5_over_2pq = SIMINT_MUL(const_5, one_over_2pq);
277                     const SIMINT_DBLTYPE vrr_const_6_over_2pq = SIMINT_MUL(const_6, one_over_2pq);
278                     const SIMINT_DBLTYPE vrr_const_7_over_2pq = SIMINT_MUL(const_7, one_over_2pq);
279                     const SIMINT_DBLTYPE vrr_const_8_over_2pq = SIMINT_MUL(const_8, one_over_2pq);
280                     const SIMINT_DBLTYPE vrr_const_9_over_2pq = SIMINT_MUL(const_9, one_over_2pq);
281                     const SIMINT_DBLTYPE vrr_const_10_over_2pq = SIMINT_MUL(const_10, one_over_2pq);
282                     const SIMINT_DBLTYPE vrr_const_11_over_2pq = SIMINT_MUL(const_11, one_over_2pq);
283 
284 
285 
286                     // Forming PRIM_INT__p_s_s_s[14 * 3];
287                     for(n = 0; n < 14; ++n)  // loop over orders of auxiliary function
288                     {
289 
290                         PRIM_INT__p_s_s_s[n * 3 + 0] = SIMINT_MUL(P_PA[0], PRIM_INT__s_s_s_s[n * 1 + 0]);
291                         PRIM_INT__p_s_s_s[n * 3 + 0] = SIMINT_FMADD( aop_PQ[0], PRIM_INT__s_s_s_s[(n+1) * 1 + 0], PRIM_INT__p_s_s_s[n * 3 + 0]);
292 
293                         PRIM_INT__p_s_s_s[n * 3 + 1] = SIMINT_MUL(P_PA[1], PRIM_INT__s_s_s_s[n * 1 + 0]);
294                         PRIM_INT__p_s_s_s[n * 3 + 1] = SIMINT_FMADD( aop_PQ[1], PRIM_INT__s_s_s_s[(n+1) * 1 + 0], PRIM_INT__p_s_s_s[n * 3 + 1]);
295 
296                         PRIM_INT__p_s_s_s[n * 3 + 2] = SIMINT_MUL(P_PA[2], PRIM_INT__s_s_s_s[n * 1 + 0]);
297                         PRIM_INT__p_s_s_s[n * 3 + 2] = SIMINT_FMADD( aop_PQ[2], PRIM_INT__s_s_s_s[(n+1) * 1 + 0], PRIM_INT__p_s_s_s[n * 3 + 2]);
298 
299                     }
300 
301 
302 
303                     // Forming PRIM_INT__d_s_s_s[13 * 6];
304                     for(n = 0; n < 13; ++n)  // loop over orders of auxiliary function
305                     {
306 
307                         PRIM_INT__d_s_s_s[n * 6 + 0] = SIMINT_MUL(P_PA[0], PRIM_INT__p_s_s_s[n * 3 + 0]);
308                         PRIM_INT__d_s_s_s[n * 6 + 0] = SIMINT_FMADD( aop_PQ[0], PRIM_INT__p_s_s_s[(n+1) * 3 + 0], PRIM_INT__d_s_s_s[n * 6 + 0]);
309                         PRIM_INT__d_s_s_s[n * 6 + 0] = SIMINT_FMADD( vrr_const_1_over_2p, SIMINT_FMADD(a_over_p, PRIM_INT__s_s_s_s[(n+1) * 1 + 0], PRIM_INT__s_s_s_s[n * 1 + 0]), PRIM_INT__d_s_s_s[n * 6 + 0]);
310 
311                         PRIM_INT__d_s_s_s[n * 6 + 3] = SIMINT_MUL(P_PA[1], PRIM_INT__p_s_s_s[n * 3 + 1]);
312                         PRIM_INT__d_s_s_s[n * 6 + 3] = SIMINT_FMADD( aop_PQ[1], PRIM_INT__p_s_s_s[(n+1) * 3 + 1], PRIM_INT__d_s_s_s[n * 6 + 3]);
313                         PRIM_INT__d_s_s_s[n * 6 + 3] = SIMINT_FMADD( vrr_const_1_over_2p, SIMINT_FMADD(a_over_p, PRIM_INT__s_s_s_s[(n+1) * 1 + 0], PRIM_INT__s_s_s_s[n * 1 + 0]), PRIM_INT__d_s_s_s[n * 6 + 3]);
314 
315                         PRIM_INT__d_s_s_s[n * 6 + 5] = SIMINT_MUL(P_PA[2], PRIM_INT__p_s_s_s[n * 3 + 2]);
316                         PRIM_INT__d_s_s_s[n * 6 + 5] = SIMINT_FMADD( aop_PQ[2], PRIM_INT__p_s_s_s[(n+1) * 3 + 2], PRIM_INT__d_s_s_s[n * 6 + 5]);
317                         PRIM_INT__d_s_s_s[n * 6 + 5] = SIMINT_FMADD( vrr_const_1_over_2p, SIMINT_FMADD(a_over_p, PRIM_INT__s_s_s_s[(n+1) * 1 + 0], PRIM_INT__s_s_s_s[n * 1 + 0]), PRIM_INT__d_s_s_s[n * 6 + 5]);
318 
319                     }
320 
321 
322 
323                     // Forming PRIM_INT__f_s_s_s[12 * 10];
324                     for(n = 0; n < 12; ++n)  // loop over orders of auxiliary function
325                     {
326 
327                         PRIM_INT__f_s_s_s[n * 10 + 0] = SIMINT_MUL(P_PA[0], PRIM_INT__d_s_s_s[n * 6 + 0]);
328                         PRIM_INT__f_s_s_s[n * 10 + 0] = SIMINT_FMADD( aop_PQ[0], PRIM_INT__d_s_s_s[(n+1) * 6 + 0], PRIM_INT__f_s_s_s[n * 10 + 0]);
329                         PRIM_INT__f_s_s_s[n * 10 + 0] = SIMINT_FMADD( vrr_const_2_over_2p, SIMINT_FMADD(a_over_p, PRIM_INT__p_s_s_s[(n+1) * 3 + 0], PRIM_INT__p_s_s_s[n * 3 + 0]), PRIM_INT__f_s_s_s[n * 10 + 0]);
330 
331                         PRIM_INT__f_s_s_s[n * 10 + 1] = SIMINT_MUL(P_PA[1], PRIM_INT__d_s_s_s[n * 6 + 0]);
332                         PRIM_INT__f_s_s_s[n * 10 + 1] = SIMINT_FMADD( aop_PQ[1], PRIM_INT__d_s_s_s[(n+1) * 6 + 0], PRIM_INT__f_s_s_s[n * 10 + 1]);
333 
334                         PRIM_INT__f_s_s_s[n * 10 + 2] = SIMINT_MUL(P_PA[2], PRIM_INT__d_s_s_s[n * 6 + 0]);
335                         PRIM_INT__f_s_s_s[n * 10 + 2] = SIMINT_FMADD( aop_PQ[2], PRIM_INT__d_s_s_s[(n+1) * 6 + 0], PRIM_INT__f_s_s_s[n * 10 + 2]);
336 
337                         PRIM_INT__f_s_s_s[n * 10 + 3] = SIMINT_MUL(P_PA[0], PRIM_INT__d_s_s_s[n * 6 + 3]);
338                         PRIM_INT__f_s_s_s[n * 10 + 3] = SIMINT_FMADD( aop_PQ[0], PRIM_INT__d_s_s_s[(n+1) * 6 + 3], PRIM_INT__f_s_s_s[n * 10 + 3]);
339 
340                         PRIM_INT__f_s_s_s[n * 10 + 5] = SIMINT_MUL(P_PA[0], PRIM_INT__d_s_s_s[n * 6 + 5]);
341                         PRIM_INT__f_s_s_s[n * 10 + 5] = SIMINT_FMADD( aop_PQ[0], PRIM_INT__d_s_s_s[(n+1) * 6 + 5], PRIM_INT__f_s_s_s[n * 10 + 5]);
342 
343                         PRIM_INT__f_s_s_s[n * 10 + 6] = SIMINT_MUL(P_PA[1], PRIM_INT__d_s_s_s[n * 6 + 3]);
344                         PRIM_INT__f_s_s_s[n * 10 + 6] = SIMINT_FMADD( aop_PQ[1], PRIM_INT__d_s_s_s[(n+1) * 6 + 3], PRIM_INT__f_s_s_s[n * 10 + 6]);
345                         PRIM_INT__f_s_s_s[n * 10 + 6] = SIMINT_FMADD( vrr_const_2_over_2p, SIMINT_FMADD(a_over_p, PRIM_INT__p_s_s_s[(n+1) * 3 + 1], PRIM_INT__p_s_s_s[n * 3 + 1]), PRIM_INT__f_s_s_s[n * 10 + 6]);
346 
347                         PRIM_INT__f_s_s_s[n * 10 + 7] = SIMINT_MUL(P_PA[2], PRIM_INT__d_s_s_s[n * 6 + 3]);
348                         PRIM_INT__f_s_s_s[n * 10 + 7] = SIMINT_FMADD( aop_PQ[2], PRIM_INT__d_s_s_s[(n+1) * 6 + 3], PRIM_INT__f_s_s_s[n * 10 + 7]);
349 
350                         PRIM_INT__f_s_s_s[n * 10 + 9] = SIMINT_MUL(P_PA[2], PRIM_INT__d_s_s_s[n * 6 + 5]);
351                         PRIM_INT__f_s_s_s[n * 10 + 9] = SIMINT_FMADD( aop_PQ[2], PRIM_INT__d_s_s_s[(n+1) * 6 + 5], PRIM_INT__f_s_s_s[n * 10 + 9]);
352                         PRIM_INT__f_s_s_s[n * 10 + 9] = SIMINT_FMADD( vrr_const_2_over_2p, SIMINT_FMADD(a_over_p, PRIM_INT__p_s_s_s[(n+1) * 3 + 2], PRIM_INT__p_s_s_s[n * 3 + 2]), PRIM_INT__f_s_s_s[n * 10 + 9]);
353 
354                     }
355 
356 
357                     VRR_I_g_s_s_s(
358                             PRIM_INT__g_s_s_s,
359                             PRIM_INT__f_s_s_s,
360                             PRIM_INT__d_s_s_s,
361                             P_PA,
362                             a_over_p,
363                             aop_PQ,
364                             one_over_2p,
365                             11);
366 
367 
368                     VRR_I_h_s_s_s(
369                             PRIM_INT__h_s_s_s,
370                             PRIM_INT__g_s_s_s,
371                             PRIM_INT__f_s_s_s,
372                             P_PA,
373                             a_over_p,
374                             aop_PQ,
375                             one_over_2p,
376                             10);
377 
378 
379                     ostei_general_vrr1_I(6, 9,
380                             one_over_2p, a_over_p, aop_PQ, P_PA,
381                             PRIM_INT__h_s_s_s, PRIM_INT__g_s_s_s, PRIM_INT__i_s_s_s);
382 
383 
384                     ostei_general_vrr1_I(7, 8,
385                             one_over_2p, a_over_p, aop_PQ, P_PA,
386                             PRIM_INT__i_s_s_s, PRIM_INT__h_s_s_s, PRIM_INT__k_s_s_s);
387 
388 
389                     ostei_general_vrr_K(7, 0, 1, 0, 3,
390                             one_over_2q, a_over_q, one_over_2pq, aoq_PQ, Q_PA,
391                             PRIM_INT__k_s_s_s, NULL, NULL, PRIM_INT__i_s_s_s, NULL, PRIM_INT__k_s_p_s);
392 
393 
394                     ostei_general_vrr_K(6, 0, 1, 0, 3,
395                             one_over_2q, a_over_q, one_over_2pq, aoq_PQ, Q_PA,
396                             PRIM_INT__i_s_s_s, NULL, NULL, PRIM_INT__h_s_s_s, NULL, PRIM_INT__i_s_p_s);
397 
398 
399                     ostei_general_vrr_K(7, 0, 2, 0, 2,
400                             one_over_2q, a_over_q, one_over_2pq, aoq_PQ, Q_PA,
401                             PRIM_INT__k_s_p_s, PRIM_INT__k_s_s_s, NULL, PRIM_INT__i_s_p_s, NULL, PRIM_INT__k_s_d_s);
402 
403 
404                     ostei_general_vrr_K(5, 0, 1, 0, 3,
405                             one_over_2q, a_over_q, one_over_2pq, aoq_PQ, Q_PA,
406                             PRIM_INT__h_s_s_s, NULL, NULL, PRIM_INT__g_s_s_s, NULL, PRIM_INT__h_s_p_s);
407 
408 
409                     ostei_general_vrr_K(6, 0, 2, 0, 2,
410                             one_over_2q, a_over_q, one_over_2pq, aoq_PQ, Q_PA,
411                             PRIM_INT__i_s_p_s, PRIM_INT__i_s_s_s, NULL, PRIM_INT__h_s_p_s, NULL, PRIM_INT__i_s_d_s);
412 
413 
414                     ostei_general_vrr_K(7, 0, 3, 0, 1,
415                             one_over_2q, a_over_q, one_over_2pq, aoq_PQ, Q_PA,
416                             PRIM_INT__k_s_d_s, PRIM_INT__k_s_p_s, NULL, PRIM_INT__i_s_d_s, NULL, PRIM_INT__k_s_f_s);
417 
418 
419                     ostei_general_vrr1_I(8, 7,
420                             one_over_2p, a_over_p, aop_PQ, P_PA,
421                             PRIM_INT__k_s_s_s, PRIM_INT__i_s_s_s, PRIM_INT__l_s_s_s);
422 
423 
424                     ostei_general_vrr_K(8, 0, 1, 0, 3,
425                             one_over_2q, a_over_q, one_over_2pq, aoq_PQ, Q_PA,
426                             PRIM_INT__l_s_s_s, NULL, NULL, PRIM_INT__k_s_s_s, NULL, PRIM_INT__l_s_p_s);
427 
428 
429                     ostei_general_vrr_K(8, 0, 2, 0, 2,
430                             one_over_2q, a_over_q, one_over_2pq, aoq_PQ, Q_PA,
431                             PRIM_INT__l_s_p_s, PRIM_INT__l_s_s_s, NULL, PRIM_INT__k_s_p_s, NULL, PRIM_INT__l_s_d_s);
432 
433 
434                     ostei_general_vrr_K(8, 0, 3, 0, 1,
435                             one_over_2q, a_over_q, one_over_2pq, aoq_PQ, Q_PA,
436                             PRIM_INT__l_s_d_s, PRIM_INT__l_s_p_s, NULL, PRIM_INT__k_s_d_s, NULL, PRIM_INT__l_s_f_s);
437 
438 
439                     ostei_general_vrr1_I(9, 6,
440                             one_over_2p, a_over_p, aop_PQ, P_PA,
441                             PRIM_INT__l_s_s_s, PRIM_INT__k_s_s_s, PRIM_INT__m_s_s_s);
442 
443 
444                     ostei_general_vrr_K(9, 0, 1, 0, 3,
445                             one_over_2q, a_over_q, one_over_2pq, aoq_PQ, Q_PA,
446                             PRIM_INT__m_s_s_s, NULL, NULL, PRIM_INT__l_s_s_s, NULL, PRIM_INT__m_s_p_s);
447 
448 
449                     ostei_general_vrr_K(9, 0, 2, 0, 2,
450                             one_over_2q, a_over_q, one_over_2pq, aoq_PQ, Q_PA,
451                             PRIM_INT__m_s_p_s, PRIM_INT__m_s_s_s, NULL, PRIM_INT__l_s_p_s, NULL, PRIM_INT__m_s_d_s);
452 
453 
454                     ostei_general_vrr_K(9, 0, 3, 0, 1,
455                             one_over_2q, a_over_q, one_over_2pq, aoq_PQ, Q_PA,
456                             PRIM_INT__m_s_d_s, PRIM_INT__m_s_p_s, NULL, PRIM_INT__l_s_d_s, NULL, PRIM_INT__m_s_f_s);
457 
458 
459                     ostei_general_vrr1_I(10, 5,
460                             one_over_2p, a_over_p, aop_PQ, P_PA,
461                             PRIM_INT__m_s_s_s, PRIM_INT__l_s_s_s, PRIM_INT__n_s_s_s);
462 
463 
464                     ostei_general_vrr_K(10, 0, 1, 0, 3,
465                             one_over_2q, a_over_q, one_over_2pq, aoq_PQ, Q_PA,
466                             PRIM_INT__n_s_s_s, NULL, NULL, PRIM_INT__m_s_s_s, NULL, PRIM_INT__n_s_p_s);
467 
468 
469                     ostei_general_vrr_K(10, 0, 2, 0, 2,
470                             one_over_2q, a_over_q, one_over_2pq, aoq_PQ, Q_PA,
471                             PRIM_INT__n_s_p_s, PRIM_INT__n_s_s_s, NULL, PRIM_INT__m_s_p_s, NULL, PRIM_INT__n_s_d_s);
472 
473 
474                     ostei_general_vrr_K(10, 0, 3, 0, 1,
475                             one_over_2q, a_over_q, one_over_2pq, aoq_PQ, Q_PA,
476                             PRIM_INT__n_s_d_s, PRIM_INT__n_s_p_s, NULL, PRIM_INT__m_s_d_s, NULL, PRIM_INT__n_s_f_s);
477 
478 
479                     ostei_general_vrr1_I(11, 4,
480                             one_over_2p, a_over_p, aop_PQ, P_PA,
481                             PRIM_INT__n_s_s_s, PRIM_INT__m_s_s_s, PRIM_INT__o_s_s_s);
482 
483 
484                     ostei_general_vrr_K(11, 0, 1, 0, 3,
485                             one_over_2q, a_over_q, one_over_2pq, aoq_PQ, Q_PA,
486                             PRIM_INT__o_s_s_s, NULL, NULL, PRIM_INT__n_s_s_s, NULL, PRIM_INT__o_s_p_s);
487 
488 
489                     ostei_general_vrr_K(11, 0, 2, 0, 2,
490                             one_over_2q, a_over_q, one_over_2pq, aoq_PQ, Q_PA,
491                             PRIM_INT__o_s_p_s, PRIM_INT__o_s_s_s, NULL, PRIM_INT__n_s_p_s, NULL, PRIM_INT__o_s_d_s);
492 
493 
494                     ostei_general_vrr_K(11, 0, 3, 0, 1,
495                             one_over_2q, a_over_q, one_over_2pq, aoq_PQ, Q_PA,
496                             PRIM_INT__o_s_d_s, PRIM_INT__o_s_p_s, NULL, PRIM_INT__n_s_d_s, NULL, PRIM_INT__o_s_f_s);
497 
498 
499 
500 
501                     ////////////////////////////////////
502                     // Accumulate contracted integrals
503                     ////////////////////////////////////
504                     if(lastoffset == 0)
505                     {
506                         contract_all(360, PRIM_INT__k_s_f_s, PRIM_PTR_INT__k_s_f_s);
507                         contract_all(450, PRIM_INT__l_s_f_s, PRIM_PTR_INT__l_s_f_s);
508                         contract_all(550, PRIM_INT__m_s_f_s, PRIM_PTR_INT__m_s_f_s);
509                         contract_all(660, PRIM_INT__n_s_f_s, PRIM_PTR_INT__n_s_f_s);
510                         contract_all(780, PRIM_INT__o_s_f_s, PRIM_PTR_INT__o_s_f_s);
511                     }
512                     else
513                     {
514                         contract(360, shelloffsets, PRIM_INT__k_s_f_s, PRIM_PTR_INT__k_s_f_s);
515                         contract(450, shelloffsets, PRIM_INT__l_s_f_s, PRIM_PTR_INT__l_s_f_s);
516                         contract(550, shelloffsets, PRIM_INT__m_s_f_s, PRIM_PTR_INT__m_s_f_s);
517                         contract(660, shelloffsets, PRIM_INT__n_s_f_s, PRIM_PTR_INT__n_s_f_s);
518                         contract(780, shelloffsets, PRIM_INT__o_s_f_s, PRIM_PTR_INT__o_s_f_s);
519                         PRIM_PTR_INT__k_s_f_s += lastoffset*360;
520                         PRIM_PTR_INT__l_s_f_s += lastoffset*450;
521                         PRIM_PTR_INT__m_s_f_s += lastoffset*550;
522                         PRIM_PTR_INT__n_s_f_s += lastoffset*660;
523                         PRIM_PTR_INT__o_s_f_s += lastoffset*780;
524                     }
525 
526                 }  // close loop over j
527             }  // close loop over i
528 
529             //Advance to the next batch
530             jstart = SIMINT_SIMD_ROUND(jend);
531 
532             //////////////////////////////////////////////
533             // Contracted integrals: Horizontal recurrance
534             //////////////////////////////////////////////
535 
536 
537             const double hAB[3] = { P.AB_x[ab], P.AB_y[ab], P.AB_z[ab] };
538 
539 
540             for(abcd = 0; abcd < nshellbatch; ++abcd, ++real_abcd)
541             {
542 
543                 // set up HRR pointers
544                 double const * restrict HRR_INT__k_s_f_s = INT__k_s_f_s + abcd * 360;
545                 double const * restrict HRR_INT__l_s_f_s = INT__l_s_f_s + abcd * 450;
546                 double const * restrict HRR_INT__m_s_f_s = INT__m_s_f_s + abcd * 550;
547                 double const * restrict HRR_INT__n_s_f_s = INT__n_s_f_s + abcd * 660;
548                 double const * restrict HRR_INT__o_s_f_s = INT__o_s_f_s + abcd * 780;
549                 double * restrict HRR_INT__k_g_f_s = INT__k_g_f_s + real_abcd * 5400;
550 
551                 // form INT__k_p_f_s
552                 ostei_general_hrr_J(7, 1, 3, 0, hAB, HRR_INT__l_s_f_s, HRR_INT__k_s_f_s, HRR_INT__k_p_f_s);
553 
554                 // form INT__l_p_f_s
555                 ostei_general_hrr_J(8, 1, 3, 0, hAB, HRR_INT__m_s_f_s, HRR_INT__l_s_f_s, HRR_INT__l_p_f_s);
556 
557                 // form INT__m_p_f_s
558                 ostei_general_hrr_J(9, 1, 3, 0, hAB, HRR_INT__n_s_f_s, HRR_INT__m_s_f_s, HRR_INT__m_p_f_s);
559 
560                 // form INT__n_p_f_s
561                 ostei_general_hrr_J(10, 1, 3, 0, hAB, HRR_INT__o_s_f_s, HRR_INT__n_s_f_s, HRR_INT__n_p_f_s);
562 
563                 // form INT__k_d_f_s
564                 ostei_general_hrr_J(7, 2, 3, 0, hAB, HRR_INT__l_p_f_s, HRR_INT__k_p_f_s, HRR_INT__k_d_f_s);
565 
566                 // form INT__l_d_f_s
567                 ostei_general_hrr_J(8, 2, 3, 0, hAB, HRR_INT__m_p_f_s, HRR_INT__l_p_f_s, HRR_INT__l_d_f_s);
568 
569                 // form INT__m_d_f_s
570                 ostei_general_hrr_J(9, 2, 3, 0, hAB, HRR_INT__n_p_f_s, HRR_INT__m_p_f_s, HRR_INT__m_d_f_s);
571 
572                 // form INT__k_f_f_s
573                 ostei_general_hrr_J(7, 3, 3, 0, hAB, HRR_INT__l_d_f_s, HRR_INT__k_d_f_s, HRR_INT__k_f_f_s);
574 
575                 // form INT__l_f_f_s
576                 ostei_general_hrr_J(8, 3, 3, 0, hAB, HRR_INT__m_d_f_s, HRR_INT__l_d_f_s, HRR_INT__l_f_f_s);
577 
578                 // form INT__k_g_f_s
579                 ostei_general_hrr_J(7, 4, 3, 0, hAB, HRR_INT__l_f_f_s, HRR_INT__k_f_f_s, HRR_INT__k_g_f_s);
580 
581 
582             }  // close HRR loop
583 
584 
585         }   // close loop cdbatch
586 
587         istart = iend;
588     }  // close loop over ab
589 
590     return P.nshell12_clip * Q.nshell12_clip;
591 }
592 
ostei_g_k_f_s(struct simint_multi_shellpair const P,struct simint_multi_shellpair const Q,double screen_tol,double * const restrict work,double * const restrict INT__g_k_f_s)593 int ostei_g_k_f_s(struct simint_multi_shellpair const P,
594                   struct simint_multi_shellpair const Q,
595                   double screen_tol,
596                   double * const restrict work,
597                   double * const restrict INT__g_k_f_s)
598 {
599     double P_AB[3*P.nshell12];
600     struct simint_multi_shellpair P_tmp = P;
601     P_tmp.PA_x = P.PB_x;  P_tmp.PA_y = P.PB_y;  P_tmp.PA_z = P.PB_z;
602     P_tmp.PB_x = P.PA_x;  P_tmp.PB_y = P.PA_y;  P_tmp.PB_z = P.PA_z;
603     P_tmp.AB_x = P_AB;
604     P_tmp.AB_y = P_AB + P.nshell12;
605     P_tmp.AB_z = P_AB + 2*P.nshell12;
606 
607     for(int i = 0; i < P.nshell12; i++)
608     {
609         P_tmp.AB_x[i] = -P.AB_x[i];
610         P_tmp.AB_y[i] = -P.AB_y[i];
611         P_tmp.AB_z[i] = -P.AB_z[i];
612     }
613 
614     int ret = ostei_k_g_f_s(P_tmp, Q, screen_tol, work, INT__g_k_f_s);
615     double buffer[5400] SIMINT_ALIGN_ARRAY_DBL;
616 
617     for(int q = 0; q < ret; q++)
618     {
619         int idx = 0;
620         for(int a = 0; a < 15; ++a)
621         for(int b = 0; b < 36; ++b)
622         for(int c = 0; c < 10; ++c)
623         for(int d = 0; d < 1; ++d)
624             buffer[idx++] = INT__g_k_f_s[q*5400+b*150+a*10+c*1+d];
625 
626         memcpy(INT__g_k_f_s+q*5400, buffer, 5400*sizeof(double));
627     }
628 
629     return ret;
630 }
631 
ostei_k_g_s_f(struct simint_multi_shellpair const P,struct simint_multi_shellpair const Q,double screen_tol,double * const restrict work,double * const restrict INT__k_g_s_f)632 int ostei_k_g_s_f(struct simint_multi_shellpair const P,
633                   struct simint_multi_shellpair const Q,
634                   double screen_tol,
635                   double * const restrict work,
636                   double * const restrict INT__k_g_s_f)
637 {
638     double Q_AB[3*Q.nshell12];
639     struct simint_multi_shellpair Q_tmp = Q;
640     Q_tmp.PA_x = Q.PB_x;  Q_tmp.PA_y = Q.PB_y;  Q_tmp.PA_z = Q.PB_z;
641     Q_tmp.PB_x = Q.PA_x;  Q_tmp.PB_y = Q.PA_y;  Q_tmp.PB_z = Q.PA_z;
642     Q_tmp.AB_x = Q_AB;
643     Q_tmp.AB_y = Q_AB + Q.nshell12;
644     Q_tmp.AB_z = Q_AB + 2*Q.nshell12;
645 
646     for(int i = 0; i < Q.nshell12; i++)
647     {
648         Q_tmp.AB_x[i] = -Q.AB_x[i];
649         Q_tmp.AB_y[i] = -Q.AB_y[i];
650         Q_tmp.AB_z[i] = -Q.AB_z[i];
651     }
652 
653     int ret = ostei_k_g_f_s(P, Q_tmp, screen_tol, work, INT__k_g_s_f);
654     double buffer[5400] SIMINT_ALIGN_ARRAY_DBL;
655 
656     for(int q = 0; q < ret; q++)
657     {
658         int idx = 0;
659         for(int a = 0; a < 36; ++a)
660         for(int b = 0; b < 15; ++b)
661         for(int c = 0; c < 1; ++c)
662         for(int d = 0; d < 10; ++d)
663             buffer[idx++] = INT__k_g_s_f[q*5400+a*150+b*10+d*1+c];
664 
665         memcpy(INT__k_g_s_f+q*5400, buffer, 5400*sizeof(double));
666     }
667 
668     return ret;
669 }
670 
ostei_g_k_s_f(struct simint_multi_shellpair const P,struct simint_multi_shellpair const Q,double screen_tol,double * const restrict work,double * const restrict INT__g_k_s_f)671 int ostei_g_k_s_f(struct simint_multi_shellpair const P,
672                   struct simint_multi_shellpair const Q,
673                   double screen_tol,
674                   double * const restrict work,
675                   double * const restrict INT__g_k_s_f)
676 {
677     double P_AB[3*P.nshell12];
678     struct simint_multi_shellpair P_tmp = P;
679     P_tmp.PA_x = P.PB_x;  P_tmp.PA_y = P.PB_y;  P_tmp.PA_z = P.PB_z;
680     P_tmp.PB_x = P.PA_x;  P_tmp.PB_y = P.PA_y;  P_tmp.PB_z = P.PA_z;
681     P_tmp.AB_x = P_AB;
682     P_tmp.AB_y = P_AB + P.nshell12;
683     P_tmp.AB_z = P_AB + 2*P.nshell12;
684 
685     for(int i = 0; i < P.nshell12; i++)
686     {
687         P_tmp.AB_x[i] = -P.AB_x[i];
688         P_tmp.AB_y[i] = -P.AB_y[i];
689         P_tmp.AB_z[i] = -P.AB_z[i];
690     }
691 
692     double Q_AB[3*Q.nshell12];
693     struct simint_multi_shellpair Q_tmp = Q;
694     Q_tmp.PA_x = Q.PB_x;  Q_tmp.PA_y = Q.PB_y;  Q_tmp.PA_z = Q.PB_z;
695     Q_tmp.PB_x = Q.PA_x;  Q_tmp.PB_y = Q.PA_y;  Q_tmp.PB_z = Q.PA_z;
696     Q_tmp.AB_x = Q_AB;
697     Q_tmp.AB_y = Q_AB + Q.nshell12;
698     Q_tmp.AB_z = Q_AB + 2*Q.nshell12;
699 
700     for(int i = 0; i < Q.nshell12; i++)
701     {
702         Q_tmp.AB_x[i] = -Q.AB_x[i];
703         Q_tmp.AB_y[i] = -Q.AB_y[i];
704         Q_tmp.AB_z[i] = -Q.AB_z[i];
705     }
706 
707     int ret = ostei_k_g_f_s(P_tmp, Q_tmp, screen_tol, work, INT__g_k_s_f);
708     double buffer[5400] SIMINT_ALIGN_ARRAY_DBL;
709 
710     for(int q = 0; q < ret; q++)
711     {
712         int idx = 0;
713         for(int a = 0; a < 15; ++a)
714         for(int b = 0; b < 36; ++b)
715         for(int c = 0; c < 1; ++c)
716         for(int d = 0; d < 10; ++d)
717             buffer[idx++] = INT__g_k_s_f[q*5400+b*150+a*10+d*1+c];
718 
719         memcpy(INT__g_k_s_f+q*5400, buffer, 5400*sizeof(double));
720     }
721 
722     return ret;
723 }
724 
725