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_d_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_d_s)8 int ostei_k_g_d_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_d_s)
13 {
14 
15     SIMINT_ASSUME_ALIGN_DBL(work);
16     SIMINT_ASSUME_ALIGN_DBL(INT__k_g_d_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_d_s = work + (SIMINT_NSHELL_SIMD * 0);
29     double * const INT__l_s_d_s = work + (SIMINT_NSHELL_SIMD * 216);
30     double * const INT__m_s_d_s = work + (SIMINT_NSHELL_SIMD * 486);
31     double * const INT__n_s_d_s = work + (SIMINT_NSHELL_SIMD * 816);
32     double * const INT__o_s_d_s = work + (SIMINT_NSHELL_SIMD * 1212);
33     SIMINT_DBLTYPE * const primwork = (SIMINT_DBLTYPE *)(work + SIMINT_NSHELL_SIMD*1680);
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 + 14;
36     SIMINT_DBLTYPE * const restrict PRIM_INT__d_s_s_s = primwork + 53;
37     SIMINT_DBLTYPE * const restrict PRIM_INT__f_s_s_s = primwork + 125;
38     SIMINT_DBLTYPE * const restrict PRIM_INT__g_s_s_s = primwork + 235;
39     SIMINT_DBLTYPE * const restrict PRIM_INT__h_s_s_s = primwork + 385;
40     SIMINT_DBLTYPE * const restrict PRIM_INT__i_s_s_s = primwork + 574;
41     SIMINT_DBLTYPE * const restrict PRIM_INT__i_s_p_s = primwork + 798;
42     SIMINT_DBLTYPE * const restrict PRIM_INT__k_s_s_s = primwork + 966;
43     SIMINT_DBLTYPE * const restrict PRIM_INT__k_s_p_s = primwork + 1218;
44     SIMINT_DBLTYPE * const restrict PRIM_INT__k_s_d_s = primwork + 1434;
45     SIMINT_DBLTYPE * const restrict PRIM_INT__l_s_s_s = primwork + 1650;
46     SIMINT_DBLTYPE * const restrict PRIM_INT__l_s_p_s = primwork + 1920;
47     SIMINT_DBLTYPE * const restrict PRIM_INT__l_s_d_s = primwork + 2190;
48     SIMINT_DBLTYPE * const restrict PRIM_INT__m_s_s_s = primwork + 2460;
49     SIMINT_DBLTYPE * const restrict PRIM_INT__m_s_p_s = primwork + 2735;
50     SIMINT_DBLTYPE * const restrict PRIM_INT__m_s_d_s = primwork + 3065;
51     SIMINT_DBLTYPE * const restrict PRIM_INT__n_s_s_s = primwork + 3395;
52     SIMINT_DBLTYPE * const restrict PRIM_INT__n_s_p_s = primwork + 3659;
53     SIMINT_DBLTYPE * const restrict PRIM_INT__n_s_d_s = primwork + 4055;
54     SIMINT_DBLTYPE * const restrict PRIM_INT__o_s_s_s = primwork + 4451;
55     SIMINT_DBLTYPE * const restrict PRIM_INT__o_s_p_s = primwork + 4685;
56     SIMINT_DBLTYPE * const restrict PRIM_INT__o_s_d_s = primwork + 5153;
57     double * const hrrwork = (double *)(primwork + 5621);
58     double * const HRR_INT__k_p_d_s = hrrwork + 0;
59     double * const HRR_INT__k_d_d_s = hrrwork + 648;
60     double * const HRR_INT__k_f_d_s = hrrwork + 1944;
61     double * const HRR_INT__l_p_d_s = hrrwork + 4104;
62     double * const HRR_INT__l_d_d_s = hrrwork + 4914;
63     double * const HRR_INT__l_f_d_s = hrrwork + 6534;
64     double * const HRR_INT__m_p_d_s = hrrwork + 9234;
65     double * const HRR_INT__m_d_d_s = hrrwork + 10224;
66     double * const HRR_INT__n_p_d_s = hrrwork + 12204;
67 
68 
69     // Create constants
70     const SIMINT_DBLTYPE const_1 = SIMINT_DBLSET1(1);
71     const SIMINT_DBLTYPE const_10 = SIMINT_DBLSET1(10);
72     const SIMINT_DBLTYPE const_11 = SIMINT_DBLSET1(11);
73     const SIMINT_DBLTYPE const_2 = SIMINT_DBLSET1(2);
74     const SIMINT_DBLTYPE const_3 = SIMINT_DBLSET1(3);
75     const SIMINT_DBLTYPE const_4 = SIMINT_DBLSET1(4);
76     const SIMINT_DBLTYPE const_5 = SIMINT_DBLSET1(5);
77     const SIMINT_DBLTYPE const_6 = SIMINT_DBLSET1(6);
78     const SIMINT_DBLTYPE const_7 = SIMINT_DBLSET1(7);
79     const SIMINT_DBLTYPE const_8 = SIMINT_DBLSET1(8);
80     const SIMINT_DBLTYPE const_9 = SIMINT_DBLSET1(9);
81     const SIMINT_DBLTYPE one_half = SIMINT_DBLSET1(0.5);
82 
83 
84     ////////////////////////////////////////
85     // Loop over shells and primitives
86     ////////////////////////////////////////
87 
88     real_abcd = 0;
89     istart = 0;
90     for(ab = 0; ab < P.nshell12_clip; ++ab)
91     {
92         const int iend = istart + P.nprim12[ab];
93 
94         cd = 0;
95         jstart = 0;
96 
97         for(cd = 0; cd < Q.nshell12_clip; cd += SIMINT_NSHELL_SIMD)
98         {
99             const int nshellbatch = ((cd + SIMINT_NSHELL_SIMD) > Q.nshell12_clip) ? Q.nshell12_clip - cd : SIMINT_NSHELL_SIMD;
100             int jend = jstart;
101             for(i = 0; i < nshellbatch; i++)
102                 jend += Q.nprim12[cd+i];
103 
104             // Clear the beginning of the workspace (where we are accumulating integrals)
105             memset(work, 0, SIMINT_NSHELL_SIMD * 1680 * sizeof(double));
106             abcd = 0;
107 
108 
109             for(i = istart; i < iend; ++i)
110             {
111                 SIMINT_DBLTYPE bra_screen_max;  // only used if check_screen
112 
113                 if(check_screen)
114                 {
115                     // Skip this whole thing if always insignificant
116                     if((P.screen[i] * Q.screen_max) < screen_tol)
117                         continue;
118                     bra_screen_max = SIMINT_DBLSET1(P.screen[i]);
119                 }
120 
121                 icd = 0;
122                 iprimcd = 0;
123                 nprim_icd = Q.nprim12[cd];
124                 double * restrict PRIM_PTR_INT__k_s_d_s = INT__k_s_d_s + abcd * 216;
125                 double * restrict PRIM_PTR_INT__l_s_d_s = INT__l_s_d_s + abcd * 270;
126                 double * restrict PRIM_PTR_INT__m_s_d_s = INT__m_s_d_s + abcd * 330;
127                 double * restrict PRIM_PTR_INT__n_s_d_s = INT__n_s_d_s + abcd * 396;
128                 double * restrict PRIM_PTR_INT__o_s_d_s = INT__o_s_d_s + abcd * 468;
129 
130 
131 
132                 // Load these one per loop over i
133                 const SIMINT_DBLTYPE P_alpha = SIMINT_DBLSET1(P.alpha[i]);
134                 const SIMINT_DBLTYPE P_prefac = SIMINT_DBLSET1(P.prefac[i]);
135                 const SIMINT_DBLTYPE Pxyz[3] = { SIMINT_DBLSET1(P.x[i]), SIMINT_DBLSET1(P.y[i]), SIMINT_DBLSET1(P.z[i]) };
136 
137                 const SIMINT_DBLTYPE P_PA[3] = { SIMINT_DBLSET1(P.PA_x[i]), SIMINT_DBLSET1(P.PA_y[i]), SIMINT_DBLSET1(P.PA_z[i]) };
138 
139                 for(j = jstart; j < jend; j += SIMINT_SIMD_LEN)
140                 {
141                     // calculate the shell offsets
142                     // these are the offset from the shell pointed to by cd
143                     // for each element
144                     int shelloffsets[SIMINT_SIMD_LEN] = {0};
145                     int lastoffset = 0;
146                     const int nlane = ( ((j + SIMINT_SIMD_LEN) < jend) ? SIMINT_SIMD_LEN : (jend - j));
147 
148                     if((iprimcd + SIMINT_SIMD_LEN) >= nprim_icd)
149                     {
150                         // Handle if the first element of the vector is a new shell
151                         if(iprimcd >= nprim_icd && ((icd+1) < nshellbatch))
152                         {
153                             nprim_icd += Q.nprim12[cd + (++icd)];
154                             PRIM_PTR_INT__k_s_d_s += 216;
155                             PRIM_PTR_INT__l_s_d_s += 270;
156                             PRIM_PTR_INT__m_s_d_s += 330;
157                             PRIM_PTR_INT__n_s_d_s += 396;
158                             PRIM_PTR_INT__o_s_d_s += 468;
159                         }
160                         iprimcd++;
161                         for(n = 1; n < SIMINT_SIMD_LEN; ++n)
162                         {
163                             if(iprimcd >= nprim_icd && ((icd+1) < nshellbatch))
164                             {
165                                 shelloffsets[n] = shelloffsets[n-1] + 1;
166                                 lastoffset++;
167                                 nprim_icd += Q.nprim12[cd + (++icd)];
168                             }
169                             else
170                                 shelloffsets[n] = shelloffsets[n-1];
171                             iprimcd++;
172                         }
173                     }
174                     else
175                         iprimcd += SIMINT_SIMD_LEN;
176 
177                     // Do we have to compute this vector (or has it been screened out)?
178                     // (not_screened != 0 means we have to do this vector)
179                     if(check_screen)
180                     {
181                         const double vmax = vector_max(SIMINT_MUL(bra_screen_max, SIMINT_DBLLOAD(Q.screen, j)));
182                         if(vmax < screen_tol)
183                         {
184                             PRIM_PTR_INT__k_s_d_s += lastoffset*216;
185                             PRIM_PTR_INT__l_s_d_s += lastoffset*270;
186                             PRIM_PTR_INT__m_s_d_s += lastoffset*330;
187                             PRIM_PTR_INT__n_s_d_s += lastoffset*396;
188                             PRIM_PTR_INT__o_s_d_s += lastoffset*468;
189                             continue;
190                         }
191                     }
192 
193                     const SIMINT_DBLTYPE Q_alpha = SIMINT_DBLLOAD(Q.alpha, j);
194                     const SIMINT_DBLTYPE PQalpha_mul = SIMINT_MUL(P_alpha, Q_alpha);
195                     const SIMINT_DBLTYPE PQalpha_sum = SIMINT_ADD(P_alpha, Q_alpha);
196                     const SIMINT_DBLTYPE one_over_PQalpha_sum = SIMINT_DIV(const_1, PQalpha_sum);
197 
198 
199                     /* construct R2 = (Px - Qx)**2 + (Py - Qy)**2 + (Pz -Qz)**2 */
200                     SIMINT_DBLTYPE PQ[3];
201                     PQ[0] = SIMINT_SUB(Pxyz[0], SIMINT_DBLLOAD(Q.x, j));
202                     PQ[1] = SIMINT_SUB(Pxyz[1], SIMINT_DBLLOAD(Q.y, j));
203                     PQ[2] = SIMINT_SUB(Pxyz[2], SIMINT_DBLLOAD(Q.z, j));
204                     SIMINT_DBLTYPE R2 = SIMINT_MUL(PQ[0], PQ[0]);
205                     R2 = SIMINT_FMADD(PQ[1], PQ[1], R2);
206                     R2 = SIMINT_FMADD(PQ[2], PQ[2], R2);
207 
208                     const SIMINT_DBLTYPE alpha = SIMINT_MUL(PQalpha_mul, one_over_PQalpha_sum); // alpha from MEST
209                     const SIMINT_DBLTYPE one_over_p = SIMINT_DIV(const_1, P_alpha);
210                     const SIMINT_DBLTYPE one_over_q = SIMINT_DIV(const_1, Q_alpha);
211                     const SIMINT_DBLTYPE one_over_2p = SIMINT_MUL(one_half, one_over_p);
212                     const SIMINT_DBLTYPE one_over_2q = SIMINT_MUL(one_half, one_over_q);
213                     const SIMINT_DBLTYPE one_over_2pq = SIMINT_MUL(one_half, one_over_PQalpha_sum);
214                     const SIMINT_DBLTYPE Q_PA[3] = { SIMINT_DBLLOAD(Q.PA_x, j), SIMINT_DBLLOAD(Q.PA_y, j), SIMINT_DBLLOAD(Q.PA_z, j) };
215 
216                     // NOTE: Minus sign!
217                     const SIMINT_DBLTYPE a_over_p = SIMINT_MUL(SIMINT_NEG(alpha), one_over_p);
218                     SIMINT_DBLTYPE aop_PQ[3];
219                     aop_PQ[0] = SIMINT_MUL(a_over_p, PQ[0]);
220                     aop_PQ[1] = SIMINT_MUL(a_over_p, PQ[1]);
221                     aop_PQ[2] = SIMINT_MUL(a_over_p, PQ[2]);
222 
223                     SIMINT_DBLTYPE a_over_q = SIMINT_MUL(alpha, one_over_q);
224                     SIMINT_DBLTYPE aoq_PQ[3];
225                     aoq_PQ[0] = SIMINT_MUL(a_over_q, PQ[0]);
226                     aoq_PQ[1] = SIMINT_MUL(a_over_q, PQ[1]);
227                     aoq_PQ[2] = SIMINT_MUL(a_over_q, PQ[2]);
228                     // Put a minus sign here so we don't have to in RR routines
229                     a_over_q = SIMINT_NEG(a_over_q);
230 
231 
232                     //////////////////////////////////////////////
233                     // Fjt function section
234                     // Maximum v value: 13
235                     //////////////////////////////////////////////
236                     // The parameter to the Fjt function
237                     const SIMINT_DBLTYPE F_x = SIMINT_MUL(R2, alpha);
238 
239 
240                     const SIMINT_DBLTYPE Q_prefac = mask_load(nlane, Q.prefac + j);
241 
242 
243                     boys_F_split(PRIM_INT__s_s_s_s, F_x, 13);
244                     SIMINT_DBLTYPE prefac = SIMINT_SQRT(one_over_PQalpha_sum);
245                     prefac = SIMINT_MUL(SIMINT_MUL(P_prefac, Q_prefac), prefac);
246                     for(n = 0; n <= 13; n++)
247                         PRIM_INT__s_s_s_s[n] = SIMINT_MUL(PRIM_INT__s_s_s_s[n], prefac);
248 
249                     //////////////////////////////////////////////
250                     // Primitive integrals: Vertical recurrance
251                     //////////////////////////////////////////////
252 
253                     const SIMINT_DBLTYPE vrr_const_1_over_2p = one_over_2p;
254                     const SIMINT_DBLTYPE vrr_const_2_over_2p = SIMINT_MUL(const_2, one_over_2p);
255                     const SIMINT_DBLTYPE vrr_const_3_over_2p = SIMINT_MUL(const_3, one_over_2p);
256                     const SIMINT_DBLTYPE vrr_const_4_over_2p = SIMINT_MUL(const_4, one_over_2p);
257                     const SIMINT_DBLTYPE vrr_const_5_over_2p = SIMINT_MUL(const_5, one_over_2p);
258                     const SIMINT_DBLTYPE vrr_const_6_over_2p = SIMINT_MUL(const_6, one_over_2p);
259                     const SIMINT_DBLTYPE vrr_const_7_over_2p = SIMINT_MUL(const_7, one_over_2p);
260                     const SIMINT_DBLTYPE vrr_const_8_over_2p = SIMINT_MUL(const_8, one_over_2p);
261                     const SIMINT_DBLTYPE vrr_const_9_over_2p = SIMINT_MUL(const_9, one_over_2p);
262                     const SIMINT_DBLTYPE vrr_const_10_over_2p = SIMINT_MUL(const_10, one_over_2p);
263                     const SIMINT_DBLTYPE vrr_const_1_over_2q = one_over_2q;
264                     const SIMINT_DBLTYPE vrr_const_1_over_2pq = one_over_2pq;
265                     const SIMINT_DBLTYPE vrr_const_2_over_2pq = SIMINT_MUL(const_2, one_over_2pq);
266                     const SIMINT_DBLTYPE vrr_const_3_over_2pq = SIMINT_MUL(const_3, one_over_2pq);
267                     const SIMINT_DBLTYPE vrr_const_4_over_2pq = SIMINT_MUL(const_4, one_over_2pq);
268                     const SIMINT_DBLTYPE vrr_const_5_over_2pq = SIMINT_MUL(const_5, one_over_2pq);
269                     const SIMINT_DBLTYPE vrr_const_6_over_2pq = SIMINT_MUL(const_6, one_over_2pq);
270                     const SIMINT_DBLTYPE vrr_const_7_over_2pq = SIMINT_MUL(const_7, one_over_2pq);
271                     const SIMINT_DBLTYPE vrr_const_8_over_2pq = SIMINT_MUL(const_8, one_over_2pq);
272                     const SIMINT_DBLTYPE vrr_const_9_over_2pq = SIMINT_MUL(const_9, one_over_2pq);
273                     const SIMINT_DBLTYPE vrr_const_10_over_2pq = SIMINT_MUL(const_10, one_over_2pq);
274                     const SIMINT_DBLTYPE vrr_const_11_over_2pq = SIMINT_MUL(const_11, one_over_2pq);
275 
276 
277 
278                     // Forming PRIM_INT__p_s_s_s[13 * 3];
279                     for(n = 0; n < 13; ++n)  // loop over orders of auxiliary function
280                     {
281 
282                         PRIM_INT__p_s_s_s[n * 3 + 0] = SIMINT_MUL(P_PA[0], PRIM_INT__s_s_s_s[n * 1 + 0]);
283                         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]);
284 
285                         PRIM_INT__p_s_s_s[n * 3 + 1] = SIMINT_MUL(P_PA[1], PRIM_INT__s_s_s_s[n * 1 + 0]);
286                         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]);
287 
288                         PRIM_INT__p_s_s_s[n * 3 + 2] = SIMINT_MUL(P_PA[2], PRIM_INT__s_s_s_s[n * 1 + 0]);
289                         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]);
290 
291                     }
292 
293 
294 
295                     // Forming PRIM_INT__d_s_s_s[12 * 6];
296                     for(n = 0; n < 12; ++n)  // loop over orders of auxiliary function
297                     {
298 
299                         PRIM_INT__d_s_s_s[n * 6 + 0] = SIMINT_MUL(P_PA[0], PRIM_INT__p_s_s_s[n * 3 + 0]);
300                         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]);
301                         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]);
302 
303                         PRIM_INT__d_s_s_s[n * 6 + 3] = SIMINT_MUL(P_PA[1], PRIM_INT__p_s_s_s[n * 3 + 1]);
304                         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]);
305                         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]);
306 
307                         PRIM_INT__d_s_s_s[n * 6 + 5] = SIMINT_MUL(P_PA[2], PRIM_INT__p_s_s_s[n * 3 + 2]);
308                         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]);
309                         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]);
310 
311                     }
312 
313 
314 
315                     // Forming PRIM_INT__f_s_s_s[11 * 10];
316                     for(n = 0; n < 11; ++n)  // loop over orders of auxiliary function
317                     {
318 
319                         PRIM_INT__f_s_s_s[n * 10 + 0] = SIMINT_MUL(P_PA[0], PRIM_INT__d_s_s_s[n * 6 + 0]);
320                         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]);
321                         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]);
322 
323                         PRIM_INT__f_s_s_s[n * 10 + 1] = SIMINT_MUL(P_PA[1], PRIM_INT__d_s_s_s[n * 6 + 0]);
324                         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]);
325 
326                         PRIM_INT__f_s_s_s[n * 10 + 2] = SIMINT_MUL(P_PA[2], PRIM_INT__d_s_s_s[n * 6 + 0]);
327                         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]);
328 
329                         PRIM_INT__f_s_s_s[n * 10 + 6] = SIMINT_MUL(P_PA[1], PRIM_INT__d_s_s_s[n * 6 + 3]);
330                         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]);
331                         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]);
332 
333                         PRIM_INT__f_s_s_s[n * 10 + 7] = SIMINT_MUL(P_PA[2], PRIM_INT__d_s_s_s[n * 6 + 3]);
334                         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]);
335 
336                         PRIM_INT__f_s_s_s[n * 10 + 9] = SIMINT_MUL(P_PA[2], PRIM_INT__d_s_s_s[n * 6 + 5]);
337                         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]);
338                         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]);
339 
340                     }
341 
342 
343                     VRR_I_g_s_s_s(
344                             PRIM_INT__g_s_s_s,
345                             PRIM_INT__f_s_s_s,
346                             PRIM_INT__d_s_s_s,
347                             P_PA,
348                             a_over_p,
349                             aop_PQ,
350                             one_over_2p,
351                             10);
352 
353 
354                     VRR_I_h_s_s_s(
355                             PRIM_INT__h_s_s_s,
356                             PRIM_INT__g_s_s_s,
357                             PRIM_INT__f_s_s_s,
358                             P_PA,
359                             a_over_p,
360                             aop_PQ,
361                             one_over_2p,
362                             9);
363 
364 
365                     ostei_general_vrr1_I(6, 8,
366                             one_over_2p, a_over_p, aop_PQ, P_PA,
367                             PRIM_INT__h_s_s_s, PRIM_INT__g_s_s_s, PRIM_INT__i_s_s_s);
368 
369 
370                     ostei_general_vrr1_I(7, 7,
371                             one_over_2p, a_over_p, aop_PQ, P_PA,
372                             PRIM_INT__i_s_s_s, PRIM_INT__h_s_s_s, PRIM_INT__k_s_s_s);
373 
374 
375                     ostei_general_vrr_K(7, 0, 1, 0, 2,
376                             one_over_2q, a_over_q, one_over_2pq, aoq_PQ, Q_PA,
377                             PRIM_INT__k_s_s_s, NULL, NULL, PRIM_INT__i_s_s_s, NULL, PRIM_INT__k_s_p_s);
378 
379 
380                     ostei_general_vrr_K(6, 0, 1, 0, 2,
381                             one_over_2q, a_over_q, one_over_2pq, aoq_PQ, Q_PA,
382                             PRIM_INT__i_s_s_s, NULL, NULL, PRIM_INT__h_s_s_s, NULL, PRIM_INT__i_s_p_s);
383 
384 
385                     ostei_general_vrr_K(7, 0, 2, 0, 1,
386                             one_over_2q, a_over_q, one_over_2pq, aoq_PQ, Q_PA,
387                             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);
388 
389 
390                     ostei_general_vrr1_I(8, 6,
391                             one_over_2p, a_over_p, aop_PQ, P_PA,
392                             PRIM_INT__k_s_s_s, PRIM_INT__i_s_s_s, PRIM_INT__l_s_s_s);
393 
394 
395                     ostei_general_vrr_K(8, 0, 1, 0, 2,
396                             one_over_2q, a_over_q, one_over_2pq, aoq_PQ, Q_PA,
397                             PRIM_INT__l_s_s_s, NULL, NULL, PRIM_INT__k_s_s_s, NULL, PRIM_INT__l_s_p_s);
398 
399 
400                     ostei_general_vrr_K(8, 0, 2, 0, 1,
401                             one_over_2q, a_over_q, one_over_2pq, aoq_PQ, Q_PA,
402                             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);
403 
404 
405                     ostei_general_vrr1_I(9, 5,
406                             one_over_2p, a_over_p, aop_PQ, P_PA,
407                             PRIM_INT__l_s_s_s, PRIM_INT__k_s_s_s, PRIM_INT__m_s_s_s);
408 
409 
410                     ostei_general_vrr_K(9, 0, 1, 0, 2,
411                             one_over_2q, a_over_q, one_over_2pq, aoq_PQ, Q_PA,
412                             PRIM_INT__m_s_s_s, NULL, NULL, PRIM_INT__l_s_s_s, NULL, PRIM_INT__m_s_p_s);
413 
414 
415                     ostei_general_vrr_K(9, 0, 2, 0, 1,
416                             one_over_2q, a_over_q, one_over_2pq, aoq_PQ, Q_PA,
417                             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);
418 
419 
420                     ostei_general_vrr1_I(10, 4,
421                             one_over_2p, a_over_p, aop_PQ, P_PA,
422                             PRIM_INT__m_s_s_s, PRIM_INT__l_s_s_s, PRIM_INT__n_s_s_s);
423 
424 
425                     ostei_general_vrr_K(10, 0, 1, 0, 2,
426                             one_over_2q, a_over_q, one_over_2pq, aoq_PQ, Q_PA,
427                             PRIM_INT__n_s_s_s, NULL, NULL, PRIM_INT__m_s_s_s, NULL, PRIM_INT__n_s_p_s);
428 
429 
430                     ostei_general_vrr_K(10, 0, 2, 0, 1,
431                             one_over_2q, a_over_q, one_over_2pq, aoq_PQ, Q_PA,
432                             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);
433 
434 
435                     ostei_general_vrr1_I(11, 3,
436                             one_over_2p, a_over_p, aop_PQ, P_PA,
437                             PRIM_INT__n_s_s_s, PRIM_INT__m_s_s_s, PRIM_INT__o_s_s_s);
438 
439 
440                     ostei_general_vrr_K(11, 0, 1, 0, 2,
441                             one_over_2q, a_over_q, one_over_2pq, aoq_PQ, Q_PA,
442                             PRIM_INT__o_s_s_s, NULL, NULL, PRIM_INT__n_s_s_s, NULL, PRIM_INT__o_s_p_s);
443 
444 
445                     ostei_general_vrr_K(11, 0, 2, 0, 1,
446                             one_over_2q, a_over_q, one_over_2pq, aoq_PQ, Q_PA,
447                             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);
448 
449 
450 
451 
452                     ////////////////////////////////////
453                     // Accumulate contracted integrals
454                     ////////////////////////////////////
455                     if(lastoffset == 0)
456                     {
457                         contract_all(216, PRIM_INT__k_s_d_s, PRIM_PTR_INT__k_s_d_s);
458                         contract_all(270, PRIM_INT__l_s_d_s, PRIM_PTR_INT__l_s_d_s);
459                         contract_all(330, PRIM_INT__m_s_d_s, PRIM_PTR_INT__m_s_d_s);
460                         contract_all(396, PRIM_INT__n_s_d_s, PRIM_PTR_INT__n_s_d_s);
461                         contract_all(468, PRIM_INT__o_s_d_s, PRIM_PTR_INT__o_s_d_s);
462                     }
463                     else
464                     {
465                         contract(216, shelloffsets, PRIM_INT__k_s_d_s, PRIM_PTR_INT__k_s_d_s);
466                         contract(270, shelloffsets, PRIM_INT__l_s_d_s, PRIM_PTR_INT__l_s_d_s);
467                         contract(330, shelloffsets, PRIM_INT__m_s_d_s, PRIM_PTR_INT__m_s_d_s);
468                         contract(396, shelloffsets, PRIM_INT__n_s_d_s, PRIM_PTR_INT__n_s_d_s);
469                         contract(468, shelloffsets, PRIM_INT__o_s_d_s, PRIM_PTR_INT__o_s_d_s);
470                         PRIM_PTR_INT__k_s_d_s += lastoffset*216;
471                         PRIM_PTR_INT__l_s_d_s += lastoffset*270;
472                         PRIM_PTR_INT__m_s_d_s += lastoffset*330;
473                         PRIM_PTR_INT__n_s_d_s += lastoffset*396;
474                         PRIM_PTR_INT__o_s_d_s += lastoffset*468;
475                     }
476 
477                 }  // close loop over j
478             }  // close loop over i
479 
480             //Advance to the next batch
481             jstart = SIMINT_SIMD_ROUND(jend);
482 
483             //////////////////////////////////////////////
484             // Contracted integrals: Horizontal recurrance
485             //////////////////////////////////////////////
486 
487 
488             const double hAB[3] = { P.AB_x[ab], P.AB_y[ab], P.AB_z[ab] };
489 
490 
491             for(abcd = 0; abcd < nshellbatch; ++abcd, ++real_abcd)
492             {
493 
494                 // set up HRR pointers
495                 double const * restrict HRR_INT__k_s_d_s = INT__k_s_d_s + abcd * 216;
496                 double const * restrict HRR_INT__l_s_d_s = INT__l_s_d_s + abcd * 270;
497                 double const * restrict HRR_INT__m_s_d_s = INT__m_s_d_s + abcd * 330;
498                 double const * restrict HRR_INT__n_s_d_s = INT__n_s_d_s + abcd * 396;
499                 double const * restrict HRR_INT__o_s_d_s = INT__o_s_d_s + abcd * 468;
500                 double * restrict HRR_INT__k_g_d_s = INT__k_g_d_s + real_abcd * 3240;
501 
502                 // form INT__k_p_d_s
503                 ostei_general_hrr_J(7, 1, 2, 0, hAB, HRR_INT__l_s_d_s, HRR_INT__k_s_d_s, HRR_INT__k_p_d_s);
504 
505                 // form INT__l_p_d_s
506                 ostei_general_hrr_J(8, 1, 2, 0, hAB, HRR_INT__m_s_d_s, HRR_INT__l_s_d_s, HRR_INT__l_p_d_s);
507 
508                 // form INT__m_p_d_s
509                 ostei_general_hrr_J(9, 1, 2, 0, hAB, HRR_INT__n_s_d_s, HRR_INT__m_s_d_s, HRR_INT__m_p_d_s);
510 
511                 // form INT__n_p_d_s
512                 ostei_general_hrr_J(10, 1, 2, 0, hAB, HRR_INT__o_s_d_s, HRR_INT__n_s_d_s, HRR_INT__n_p_d_s);
513 
514                 // form INT__k_d_d_s
515                 ostei_general_hrr_J(7, 2, 2, 0, hAB, HRR_INT__l_p_d_s, HRR_INT__k_p_d_s, HRR_INT__k_d_d_s);
516 
517                 // form INT__l_d_d_s
518                 ostei_general_hrr_J(8, 2, 2, 0, hAB, HRR_INT__m_p_d_s, HRR_INT__l_p_d_s, HRR_INT__l_d_d_s);
519 
520                 // form INT__m_d_d_s
521                 ostei_general_hrr_J(9, 2, 2, 0, hAB, HRR_INT__n_p_d_s, HRR_INT__m_p_d_s, HRR_INT__m_d_d_s);
522 
523                 // form INT__k_f_d_s
524                 ostei_general_hrr_J(7, 3, 2, 0, hAB, HRR_INT__l_d_d_s, HRR_INT__k_d_d_s, HRR_INT__k_f_d_s);
525 
526                 // form INT__l_f_d_s
527                 ostei_general_hrr_J(8, 3, 2, 0, hAB, HRR_INT__m_d_d_s, HRR_INT__l_d_d_s, HRR_INT__l_f_d_s);
528 
529                 // form INT__k_g_d_s
530                 ostei_general_hrr_J(7, 4, 2, 0, hAB, HRR_INT__l_f_d_s, HRR_INT__k_f_d_s, HRR_INT__k_g_d_s);
531 
532 
533             }  // close HRR loop
534 
535 
536         }   // close loop cdbatch
537 
538         istart = iend;
539     }  // close loop over ab
540 
541     return P.nshell12_clip * Q.nshell12_clip;
542 }
543 
ostei_g_k_d_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_d_s)544 int ostei_g_k_d_s(struct simint_multi_shellpair const P,
545                   struct simint_multi_shellpair const Q,
546                   double screen_tol,
547                   double * const restrict work,
548                   double * const restrict INT__g_k_d_s)
549 {
550     double P_AB[3*P.nshell12];
551     struct simint_multi_shellpair P_tmp = P;
552     P_tmp.PA_x = P.PB_x;  P_tmp.PA_y = P.PB_y;  P_tmp.PA_z = P.PB_z;
553     P_tmp.PB_x = P.PA_x;  P_tmp.PB_y = P.PA_y;  P_tmp.PB_z = P.PA_z;
554     P_tmp.AB_x = P_AB;
555     P_tmp.AB_y = P_AB + P.nshell12;
556     P_tmp.AB_z = P_AB + 2*P.nshell12;
557 
558     for(int i = 0; i < P.nshell12; i++)
559     {
560         P_tmp.AB_x[i] = -P.AB_x[i];
561         P_tmp.AB_y[i] = -P.AB_y[i];
562         P_tmp.AB_z[i] = -P.AB_z[i];
563     }
564 
565     int ret = ostei_k_g_d_s(P_tmp, Q, screen_tol, work, INT__g_k_d_s);
566     double buffer[3240] SIMINT_ALIGN_ARRAY_DBL;
567 
568     for(int q = 0; q < ret; q++)
569     {
570         int idx = 0;
571         for(int a = 0; a < 15; ++a)
572         for(int b = 0; b < 36; ++b)
573         for(int c = 0; c < 6; ++c)
574         for(int d = 0; d < 1; ++d)
575             buffer[idx++] = INT__g_k_d_s[q*3240+b*90+a*6+c*1+d];
576 
577         memcpy(INT__g_k_d_s+q*3240, buffer, 3240*sizeof(double));
578     }
579 
580     return ret;
581 }
582 
ostei_k_g_s_d(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_d)583 int ostei_k_g_s_d(struct simint_multi_shellpair const P,
584                   struct simint_multi_shellpair const Q,
585                   double screen_tol,
586                   double * const restrict work,
587                   double * const restrict INT__k_g_s_d)
588 {
589     double Q_AB[3*Q.nshell12];
590     struct simint_multi_shellpair Q_tmp = Q;
591     Q_tmp.PA_x = Q.PB_x;  Q_tmp.PA_y = Q.PB_y;  Q_tmp.PA_z = Q.PB_z;
592     Q_tmp.PB_x = Q.PA_x;  Q_tmp.PB_y = Q.PA_y;  Q_tmp.PB_z = Q.PA_z;
593     Q_tmp.AB_x = Q_AB;
594     Q_tmp.AB_y = Q_AB + Q.nshell12;
595     Q_tmp.AB_z = Q_AB + 2*Q.nshell12;
596 
597     for(int i = 0; i < Q.nshell12; i++)
598     {
599         Q_tmp.AB_x[i] = -Q.AB_x[i];
600         Q_tmp.AB_y[i] = -Q.AB_y[i];
601         Q_tmp.AB_z[i] = -Q.AB_z[i];
602     }
603 
604     int ret = ostei_k_g_d_s(P, Q_tmp, screen_tol, work, INT__k_g_s_d);
605     double buffer[3240] SIMINT_ALIGN_ARRAY_DBL;
606 
607     for(int q = 0; q < ret; q++)
608     {
609         int idx = 0;
610         for(int a = 0; a < 36; ++a)
611         for(int b = 0; b < 15; ++b)
612         for(int c = 0; c < 1; ++c)
613         for(int d = 0; d < 6; ++d)
614             buffer[idx++] = INT__k_g_s_d[q*3240+a*90+b*6+d*1+c];
615 
616         memcpy(INT__k_g_s_d+q*3240, buffer, 3240*sizeof(double));
617     }
618 
619     return ret;
620 }
621 
ostei_g_k_s_d(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_d)622 int ostei_g_k_s_d(struct simint_multi_shellpair const P,
623                   struct simint_multi_shellpair const Q,
624                   double screen_tol,
625                   double * const restrict work,
626                   double * const restrict INT__g_k_s_d)
627 {
628     double P_AB[3*P.nshell12];
629     struct simint_multi_shellpair P_tmp = P;
630     P_tmp.PA_x = P.PB_x;  P_tmp.PA_y = P.PB_y;  P_tmp.PA_z = P.PB_z;
631     P_tmp.PB_x = P.PA_x;  P_tmp.PB_y = P.PA_y;  P_tmp.PB_z = P.PA_z;
632     P_tmp.AB_x = P_AB;
633     P_tmp.AB_y = P_AB + P.nshell12;
634     P_tmp.AB_z = P_AB + 2*P.nshell12;
635 
636     for(int i = 0; i < P.nshell12; i++)
637     {
638         P_tmp.AB_x[i] = -P.AB_x[i];
639         P_tmp.AB_y[i] = -P.AB_y[i];
640         P_tmp.AB_z[i] = -P.AB_z[i];
641     }
642 
643     double Q_AB[3*Q.nshell12];
644     struct simint_multi_shellpair Q_tmp = Q;
645     Q_tmp.PA_x = Q.PB_x;  Q_tmp.PA_y = Q.PB_y;  Q_tmp.PA_z = Q.PB_z;
646     Q_tmp.PB_x = Q.PA_x;  Q_tmp.PB_y = Q.PA_y;  Q_tmp.PB_z = Q.PA_z;
647     Q_tmp.AB_x = Q_AB;
648     Q_tmp.AB_y = Q_AB + Q.nshell12;
649     Q_tmp.AB_z = Q_AB + 2*Q.nshell12;
650 
651     for(int i = 0; i < Q.nshell12; i++)
652     {
653         Q_tmp.AB_x[i] = -Q.AB_x[i];
654         Q_tmp.AB_y[i] = -Q.AB_y[i];
655         Q_tmp.AB_z[i] = -Q.AB_z[i];
656     }
657 
658     int ret = ostei_k_g_d_s(P_tmp, Q_tmp, screen_tol, work, INT__g_k_s_d);
659     double buffer[3240] SIMINT_ALIGN_ARRAY_DBL;
660 
661     for(int q = 0; q < ret; q++)
662     {
663         int idx = 0;
664         for(int a = 0; a < 15; ++a)
665         for(int b = 0; b < 36; ++b)
666         for(int c = 0; c < 1; ++c)
667         for(int d = 0; d < 6; ++d)
668             buffer[idx++] = INT__g_k_s_d[q*3240+b*90+a*6+d*1+c];
669 
670         memcpy(INT__g_k_s_d+q*3240, buffer, 3240*sizeof(double));
671     }
672 
673     return ret;
674 }
675 
676