File: | gromacs/gmxlib/nonbonded/nb_kernel_c/nb_kernel_ElecRF_VdwLJ_GeomW3P1_c.c |
Location: | line 391, column 5 |
Description: | Value stored to 'gid' is never read |
1 | /* |
2 | * This file is part of the GROMACS molecular simulation package. |
3 | * |
4 | * Copyright (c) 2012,2013,2014, by the GROMACS development team, led by |
5 | * Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl, |
6 | * and including many others, as listed in the AUTHORS file in the |
7 | * top-level source directory and at http://www.gromacs.org. |
8 | * |
9 | * GROMACS is free software; you can redistribute it and/or |
10 | * modify it under the terms of the GNU Lesser General Public License |
11 | * as published by the Free Software Foundation; either version 2.1 |
12 | * of the License, or (at your option) any later version. |
13 | * |
14 | * GROMACS is distributed in the hope that it will be useful, |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
17 | * Lesser General Public License for more details. |
18 | * |
19 | * You should have received a copy of the GNU Lesser General Public |
20 | * License along with GROMACS; if not, see |
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23 | * |
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25 | * consider that scientific software is very special. Version |
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28 | * derived work must not be called official GROMACS. Details are found |
29 | * in the README & COPYING files - if they are missing, get the |
30 | * official version at http://www.gromacs.org. |
31 | * |
32 | * To help us fund GROMACS development, we humbly ask that you cite |
33 | * the research papers on the package. Check out http://www.gromacs.org. |
34 | */ |
35 | /* |
36 | * Note: this file was generated by the GROMACS c kernel generator. |
37 | */ |
38 | #ifdef HAVE_CONFIG_H1 |
39 | #include <config.h> |
40 | #endif |
41 | |
42 | #include <math.h> |
43 | |
44 | #include "../nb_kernel.h" |
45 | #include "types/simple.h" |
46 | #include "gromacs/math/vec.h" |
47 | #include "nrnb.h" |
48 | |
49 | /* |
50 | * Gromacs nonbonded kernel: nb_kernel_ElecRF_VdwLJ_GeomW3P1_VF_c |
51 | * Electrostatics interaction: ReactionField |
52 | * VdW interaction: LennardJones |
53 | * Geometry: Water3-Particle |
54 | * Calculate force/pot: PotentialAndForce |
55 | */ |
56 | void |
57 | nb_kernel_ElecRF_VdwLJ_GeomW3P1_VF_c |
58 | (t_nblist * gmx_restrict__restrict nlist, |
59 | rvec * gmx_restrict__restrict xx, |
60 | rvec * gmx_restrict__restrict ff, |
61 | t_forcerec * gmx_restrict__restrict fr, |
62 | t_mdatoms * gmx_restrict__restrict mdatoms, |
63 | nb_kernel_data_t gmx_unused__attribute__ ((unused)) * gmx_restrict__restrict kernel_data, |
64 | t_nrnb * gmx_restrict__restrict nrnb) |
65 | { |
66 | int i_shift_offset,i_coord_offset,j_coord_offset; |
67 | int j_index_start,j_index_end; |
68 | int nri,inr,ggid,iidx,jidx,jnr,outeriter,inneriter; |
69 | real shX,shY,shZ,tx,ty,tz,fscal,rcutoff,rcutoff2; |
70 | int *iinr,*jindex,*jjnr,*shiftidx,*gid; |
71 | real *shiftvec,*fshift,*x,*f; |
72 | int vdwioffset0; |
73 | real ix0,iy0,iz0,fix0,fiy0,fiz0,iq0,isai0; |
74 | int vdwioffset1; |
75 | real ix1,iy1,iz1,fix1,fiy1,fiz1,iq1,isai1; |
76 | int vdwioffset2; |
77 | real ix2,iy2,iz2,fix2,fiy2,fiz2,iq2,isai2; |
78 | int vdwjidx0; |
79 | real jx0,jy0,jz0,fjx0,fjy0,fjz0,jq0,isaj0; |
80 | real dx00,dy00,dz00,rsq00,rinv00,rinvsq00,r00,qq00,c6_00,c12_00,cexp1_00,cexp2_00; |
81 | real dx10,dy10,dz10,rsq10,rinv10,rinvsq10,r10,qq10,c6_10,c12_10,cexp1_10,cexp2_10; |
82 | real dx20,dy20,dz20,rsq20,rinv20,rinvsq20,r20,qq20,c6_20,c12_20,cexp1_20,cexp2_20; |
83 | real velec,felec,velecsum,facel,crf,krf,krf2; |
84 | real *charge; |
85 | int nvdwtype; |
86 | real rinvsix,rvdw,vvdw,vvdw6,vvdw12,fvdw,fvdw6,fvdw12,vvdwsum,br,vvdwexp,sh_vdw_invrcut6; |
87 | int *vdwtype; |
88 | real *vdwparam; |
89 | |
90 | x = xx[0]; |
91 | f = ff[0]; |
92 | |
93 | nri = nlist->nri; |
94 | iinr = nlist->iinr; |
95 | jindex = nlist->jindex; |
96 | jjnr = nlist->jjnr; |
97 | shiftidx = nlist->shift; |
98 | gid = nlist->gid; |
99 | shiftvec = fr->shift_vec[0]; |
100 | fshift = fr->fshift[0]; |
101 | facel = fr->epsfac; |
102 | charge = mdatoms->chargeA; |
103 | krf = fr->ic->k_rf; |
104 | krf2 = krf*2.0; |
105 | crf = fr->ic->c_rf; |
106 | nvdwtype = fr->ntype; |
107 | vdwparam = fr->nbfp; |
108 | vdwtype = mdatoms->typeA; |
109 | |
110 | /* Setup water-specific parameters */ |
111 | inr = nlist->iinr[0]; |
112 | iq0 = facel*charge[inr+0]; |
113 | iq1 = facel*charge[inr+1]; |
114 | iq2 = facel*charge[inr+2]; |
115 | vdwioffset0 = 2*nvdwtype*vdwtype[inr+0]; |
116 | |
117 | outeriter = 0; |
118 | inneriter = 0; |
119 | |
120 | /* Start outer loop over neighborlists */ |
121 | for(iidx=0; iidx<nri; iidx++) |
122 | { |
123 | /* Load shift vector for this list */ |
124 | i_shift_offset = DIM3*shiftidx[iidx]; |
125 | shX = shiftvec[i_shift_offset+XX0]; |
126 | shY = shiftvec[i_shift_offset+YY1]; |
127 | shZ = shiftvec[i_shift_offset+ZZ2]; |
128 | |
129 | /* Load limits for loop over neighbors */ |
130 | j_index_start = jindex[iidx]; |
131 | j_index_end = jindex[iidx+1]; |
132 | |
133 | /* Get outer coordinate index */ |
134 | inr = iinr[iidx]; |
135 | i_coord_offset = DIM3*inr; |
136 | |
137 | /* Load i particle coords and add shift vector */ |
138 | ix0 = shX + x[i_coord_offset+DIM3*0+XX0]; |
139 | iy0 = shY + x[i_coord_offset+DIM3*0+YY1]; |
140 | iz0 = shZ + x[i_coord_offset+DIM3*0+ZZ2]; |
141 | ix1 = shX + x[i_coord_offset+DIM3*1+XX0]; |
142 | iy1 = shY + x[i_coord_offset+DIM3*1+YY1]; |
143 | iz1 = shZ + x[i_coord_offset+DIM3*1+ZZ2]; |
144 | ix2 = shX + x[i_coord_offset+DIM3*2+XX0]; |
145 | iy2 = shY + x[i_coord_offset+DIM3*2+YY1]; |
146 | iz2 = shZ + x[i_coord_offset+DIM3*2+ZZ2]; |
147 | |
148 | fix0 = 0.0; |
149 | fiy0 = 0.0; |
150 | fiz0 = 0.0; |
151 | fix1 = 0.0; |
152 | fiy1 = 0.0; |
153 | fiz1 = 0.0; |
154 | fix2 = 0.0; |
155 | fiy2 = 0.0; |
156 | fiz2 = 0.0; |
157 | |
158 | /* Reset potential sums */ |
159 | velecsum = 0.0; |
160 | vvdwsum = 0.0; |
161 | |
162 | /* Start inner kernel loop */ |
163 | for(jidx=j_index_start; jidx<j_index_end; jidx++) |
164 | { |
165 | /* Get j neighbor index, and coordinate index */ |
166 | jnr = jjnr[jidx]; |
167 | j_coord_offset = DIM3*jnr; |
168 | |
169 | /* load j atom coordinates */ |
170 | jx0 = x[j_coord_offset+DIM3*0+XX0]; |
171 | jy0 = x[j_coord_offset+DIM3*0+YY1]; |
172 | jz0 = x[j_coord_offset+DIM3*0+ZZ2]; |
173 | |
174 | /* Calculate displacement vector */ |
175 | dx00 = ix0 - jx0; |
176 | dy00 = iy0 - jy0; |
177 | dz00 = iz0 - jz0; |
178 | dx10 = ix1 - jx0; |
179 | dy10 = iy1 - jy0; |
180 | dz10 = iz1 - jz0; |
181 | dx20 = ix2 - jx0; |
182 | dy20 = iy2 - jy0; |
183 | dz20 = iz2 - jz0; |
184 | |
185 | /* Calculate squared distance and things based on it */ |
186 | rsq00 = dx00*dx00+dy00*dy00+dz00*dz00; |
187 | rsq10 = dx10*dx10+dy10*dy10+dz10*dz10; |
188 | rsq20 = dx20*dx20+dy20*dy20+dz20*dz20; |
189 | |
190 | rinv00 = gmx_invsqrt(rsq00)gmx_software_invsqrt(rsq00); |
191 | rinv10 = gmx_invsqrt(rsq10)gmx_software_invsqrt(rsq10); |
192 | rinv20 = gmx_invsqrt(rsq20)gmx_software_invsqrt(rsq20); |
193 | |
194 | rinvsq00 = rinv00*rinv00; |
195 | rinvsq10 = rinv10*rinv10; |
196 | rinvsq20 = rinv20*rinv20; |
197 | |
198 | /* Load parameters for j particles */ |
199 | jq0 = charge[jnr+0]; |
200 | vdwjidx0 = 2*vdwtype[jnr+0]; |
201 | |
202 | /************************** |
203 | * CALCULATE INTERACTIONS * |
204 | **************************/ |
205 | |
206 | qq00 = iq0*jq0; |
207 | c6_00 = vdwparam[vdwioffset0+vdwjidx0]; |
208 | c12_00 = vdwparam[vdwioffset0+vdwjidx0+1]; |
209 | |
210 | /* REACTION-FIELD ELECTROSTATICS */ |
211 | velec = qq00*(rinv00+krf*rsq00-crf); |
212 | felec = qq00*(rinv00*rinvsq00-krf2); |
213 | |
214 | /* LENNARD-JONES DISPERSION/REPULSION */ |
215 | |
216 | rinvsix = rinvsq00*rinvsq00*rinvsq00; |
217 | vvdw6 = c6_00*rinvsix; |
218 | vvdw12 = c12_00*rinvsix*rinvsix; |
219 | vvdw = vvdw12*(1.0/12.0) - vvdw6*(1.0/6.0); |
220 | fvdw = (vvdw12-vvdw6)*rinvsq00; |
221 | |
222 | /* Update potential sums from outer loop */ |
223 | velecsum += velec; |
224 | vvdwsum += vvdw; |
225 | |
226 | fscal = felec+fvdw; |
227 | |
228 | /* Calculate temporary vectorial force */ |
229 | tx = fscal*dx00; |
230 | ty = fscal*dy00; |
231 | tz = fscal*dz00; |
232 | |
233 | /* Update vectorial force */ |
234 | fix0 += tx; |
235 | fiy0 += ty; |
236 | fiz0 += tz; |
237 | f[j_coord_offset+DIM3*0+XX0] -= tx; |
238 | f[j_coord_offset+DIM3*0+YY1] -= ty; |
239 | f[j_coord_offset+DIM3*0+ZZ2] -= tz; |
240 | |
241 | /************************** |
242 | * CALCULATE INTERACTIONS * |
243 | **************************/ |
244 | |
245 | qq10 = iq1*jq0; |
246 | |
247 | /* REACTION-FIELD ELECTROSTATICS */ |
248 | velec = qq10*(rinv10+krf*rsq10-crf); |
249 | felec = qq10*(rinv10*rinvsq10-krf2); |
250 | |
251 | /* Update potential sums from outer loop */ |
252 | velecsum += velec; |
253 | |
254 | fscal = felec; |
255 | |
256 | /* Calculate temporary vectorial force */ |
257 | tx = fscal*dx10; |
258 | ty = fscal*dy10; |
259 | tz = fscal*dz10; |
260 | |
261 | /* Update vectorial force */ |
262 | fix1 += tx; |
263 | fiy1 += ty; |
264 | fiz1 += tz; |
265 | f[j_coord_offset+DIM3*0+XX0] -= tx; |
266 | f[j_coord_offset+DIM3*0+YY1] -= ty; |
267 | f[j_coord_offset+DIM3*0+ZZ2] -= tz; |
268 | |
269 | /************************** |
270 | * CALCULATE INTERACTIONS * |
271 | **************************/ |
272 | |
273 | qq20 = iq2*jq0; |
274 | |
275 | /* REACTION-FIELD ELECTROSTATICS */ |
276 | velec = qq20*(rinv20+krf*rsq20-crf); |
277 | felec = qq20*(rinv20*rinvsq20-krf2); |
278 | |
279 | /* Update potential sums from outer loop */ |
280 | velecsum += velec; |
281 | |
282 | fscal = felec; |
283 | |
284 | /* Calculate temporary vectorial force */ |
285 | tx = fscal*dx20; |
286 | ty = fscal*dy20; |
287 | tz = fscal*dz20; |
288 | |
289 | /* Update vectorial force */ |
290 | fix2 += tx; |
291 | fiy2 += ty; |
292 | fiz2 += tz; |
293 | f[j_coord_offset+DIM3*0+XX0] -= tx; |
294 | f[j_coord_offset+DIM3*0+YY1] -= ty; |
295 | f[j_coord_offset+DIM3*0+ZZ2] -= tz; |
296 | |
297 | /* Inner loop uses 108 flops */ |
298 | } |
299 | /* End of innermost loop */ |
300 | |
301 | tx = ty = tz = 0; |
302 | f[i_coord_offset+DIM3*0+XX0] += fix0; |
303 | f[i_coord_offset+DIM3*0+YY1] += fiy0; |
304 | f[i_coord_offset+DIM3*0+ZZ2] += fiz0; |
305 | tx += fix0; |
306 | ty += fiy0; |
307 | tz += fiz0; |
308 | f[i_coord_offset+DIM3*1+XX0] += fix1; |
309 | f[i_coord_offset+DIM3*1+YY1] += fiy1; |
310 | f[i_coord_offset+DIM3*1+ZZ2] += fiz1; |
311 | tx += fix1; |
312 | ty += fiy1; |
313 | tz += fiz1; |
314 | f[i_coord_offset+DIM3*2+XX0] += fix2; |
315 | f[i_coord_offset+DIM3*2+YY1] += fiy2; |
316 | f[i_coord_offset+DIM3*2+ZZ2] += fiz2; |
317 | tx += fix2; |
318 | ty += fiy2; |
319 | tz += fiz2; |
320 | fshift[i_shift_offset+XX0] += tx; |
321 | fshift[i_shift_offset+YY1] += ty; |
322 | fshift[i_shift_offset+ZZ2] += tz; |
323 | |
324 | ggid = gid[iidx]; |
325 | /* Update potential energies */ |
326 | kernel_data->energygrp_elec[ggid] += velecsum; |
327 | kernel_data->energygrp_vdw[ggid] += vvdwsum; |
328 | |
329 | /* Increment number of inner iterations */ |
330 | inneriter += j_index_end - j_index_start; |
331 | |
332 | /* Outer loop uses 32 flops */ |
333 | } |
334 | |
335 | /* Increment number of outer iterations */ |
336 | outeriter += nri; |
337 | |
338 | /* Update outer/inner flops */ |
339 | |
340 | inc_nrnb(nrnb,eNR_NBKERNEL_ELEC_VDW_W3_VF,outeriter*32 + inneriter*108)(nrnb)->n[eNR_NBKERNEL_ELEC_VDW_W3_VF] += outeriter*32 + inneriter *108; |
341 | } |
342 | /* |
343 | * Gromacs nonbonded kernel: nb_kernel_ElecRF_VdwLJ_GeomW3P1_F_c |
344 | * Electrostatics interaction: ReactionField |
345 | * VdW interaction: LennardJones |
346 | * Geometry: Water3-Particle |
347 | * Calculate force/pot: Force |
348 | */ |
349 | void |
350 | nb_kernel_ElecRF_VdwLJ_GeomW3P1_F_c |
351 | (t_nblist * gmx_restrict__restrict nlist, |
352 | rvec * gmx_restrict__restrict xx, |
353 | rvec * gmx_restrict__restrict ff, |
354 | t_forcerec * gmx_restrict__restrict fr, |
355 | t_mdatoms * gmx_restrict__restrict mdatoms, |
356 | nb_kernel_data_t gmx_unused__attribute__ ((unused)) * gmx_restrict__restrict kernel_data, |
357 | t_nrnb * gmx_restrict__restrict nrnb) |
358 | { |
359 | int i_shift_offset,i_coord_offset,j_coord_offset; |
360 | int j_index_start,j_index_end; |
361 | int nri,inr,ggid,iidx,jidx,jnr,outeriter,inneriter; |
362 | real shX,shY,shZ,tx,ty,tz,fscal,rcutoff,rcutoff2; |
363 | int *iinr,*jindex,*jjnr,*shiftidx,*gid; |
364 | real *shiftvec,*fshift,*x,*f; |
365 | int vdwioffset0; |
366 | real ix0,iy0,iz0,fix0,fiy0,fiz0,iq0,isai0; |
367 | int vdwioffset1; |
368 | real ix1,iy1,iz1,fix1,fiy1,fiz1,iq1,isai1; |
369 | int vdwioffset2; |
370 | real ix2,iy2,iz2,fix2,fiy2,fiz2,iq2,isai2; |
371 | int vdwjidx0; |
372 | real jx0,jy0,jz0,fjx0,fjy0,fjz0,jq0,isaj0; |
373 | real dx00,dy00,dz00,rsq00,rinv00,rinvsq00,r00,qq00,c6_00,c12_00,cexp1_00,cexp2_00; |
374 | real dx10,dy10,dz10,rsq10,rinv10,rinvsq10,r10,qq10,c6_10,c12_10,cexp1_10,cexp2_10; |
375 | real dx20,dy20,dz20,rsq20,rinv20,rinvsq20,r20,qq20,c6_20,c12_20,cexp1_20,cexp2_20; |
376 | real velec,felec,velecsum,facel,crf,krf,krf2; |
377 | real *charge; |
378 | int nvdwtype; |
379 | real rinvsix,rvdw,vvdw,vvdw6,vvdw12,fvdw,fvdw6,fvdw12,vvdwsum,br,vvdwexp,sh_vdw_invrcut6; |
380 | int *vdwtype; |
381 | real *vdwparam; |
382 | |
383 | x = xx[0]; |
384 | f = ff[0]; |
385 | |
386 | nri = nlist->nri; |
387 | iinr = nlist->iinr; |
388 | jindex = nlist->jindex; |
389 | jjnr = nlist->jjnr; |
390 | shiftidx = nlist->shift; |
391 | gid = nlist->gid; |
Value stored to 'gid' is never read | |
392 | shiftvec = fr->shift_vec[0]; |
393 | fshift = fr->fshift[0]; |
394 | facel = fr->epsfac; |
395 | charge = mdatoms->chargeA; |
396 | krf = fr->ic->k_rf; |
397 | krf2 = krf*2.0; |
398 | crf = fr->ic->c_rf; |
399 | nvdwtype = fr->ntype; |
400 | vdwparam = fr->nbfp; |
401 | vdwtype = mdatoms->typeA; |
402 | |
403 | /* Setup water-specific parameters */ |
404 | inr = nlist->iinr[0]; |
405 | iq0 = facel*charge[inr+0]; |
406 | iq1 = facel*charge[inr+1]; |
407 | iq2 = facel*charge[inr+2]; |
408 | vdwioffset0 = 2*nvdwtype*vdwtype[inr+0]; |
409 | |
410 | outeriter = 0; |
411 | inneriter = 0; |
412 | |
413 | /* Start outer loop over neighborlists */ |
414 | for(iidx=0; iidx<nri; iidx++) |
415 | { |
416 | /* Load shift vector for this list */ |
417 | i_shift_offset = DIM3*shiftidx[iidx]; |
418 | shX = shiftvec[i_shift_offset+XX0]; |
419 | shY = shiftvec[i_shift_offset+YY1]; |
420 | shZ = shiftvec[i_shift_offset+ZZ2]; |
421 | |
422 | /* Load limits for loop over neighbors */ |
423 | j_index_start = jindex[iidx]; |
424 | j_index_end = jindex[iidx+1]; |
425 | |
426 | /* Get outer coordinate index */ |
427 | inr = iinr[iidx]; |
428 | i_coord_offset = DIM3*inr; |
429 | |
430 | /* Load i particle coords and add shift vector */ |
431 | ix0 = shX + x[i_coord_offset+DIM3*0+XX0]; |
432 | iy0 = shY + x[i_coord_offset+DIM3*0+YY1]; |
433 | iz0 = shZ + x[i_coord_offset+DIM3*0+ZZ2]; |
434 | ix1 = shX + x[i_coord_offset+DIM3*1+XX0]; |
435 | iy1 = shY + x[i_coord_offset+DIM3*1+YY1]; |
436 | iz1 = shZ + x[i_coord_offset+DIM3*1+ZZ2]; |
437 | ix2 = shX + x[i_coord_offset+DIM3*2+XX0]; |
438 | iy2 = shY + x[i_coord_offset+DIM3*2+YY1]; |
439 | iz2 = shZ + x[i_coord_offset+DIM3*2+ZZ2]; |
440 | |
441 | fix0 = 0.0; |
442 | fiy0 = 0.0; |
443 | fiz0 = 0.0; |
444 | fix1 = 0.0; |
445 | fiy1 = 0.0; |
446 | fiz1 = 0.0; |
447 | fix2 = 0.0; |
448 | fiy2 = 0.0; |
449 | fiz2 = 0.0; |
450 | |
451 | /* Start inner kernel loop */ |
452 | for(jidx=j_index_start; jidx<j_index_end; jidx++) |
453 | { |
454 | /* Get j neighbor index, and coordinate index */ |
455 | jnr = jjnr[jidx]; |
456 | j_coord_offset = DIM3*jnr; |
457 | |
458 | /* load j atom coordinates */ |
459 | jx0 = x[j_coord_offset+DIM3*0+XX0]; |
460 | jy0 = x[j_coord_offset+DIM3*0+YY1]; |
461 | jz0 = x[j_coord_offset+DIM3*0+ZZ2]; |
462 | |
463 | /* Calculate displacement vector */ |
464 | dx00 = ix0 - jx0; |
465 | dy00 = iy0 - jy0; |
466 | dz00 = iz0 - jz0; |
467 | dx10 = ix1 - jx0; |
468 | dy10 = iy1 - jy0; |
469 | dz10 = iz1 - jz0; |
470 | dx20 = ix2 - jx0; |
471 | dy20 = iy2 - jy0; |
472 | dz20 = iz2 - jz0; |
473 | |
474 | /* Calculate squared distance and things based on it */ |
475 | rsq00 = dx00*dx00+dy00*dy00+dz00*dz00; |
476 | rsq10 = dx10*dx10+dy10*dy10+dz10*dz10; |
477 | rsq20 = dx20*dx20+dy20*dy20+dz20*dz20; |
478 | |
479 | rinv00 = gmx_invsqrt(rsq00)gmx_software_invsqrt(rsq00); |
480 | rinv10 = gmx_invsqrt(rsq10)gmx_software_invsqrt(rsq10); |
481 | rinv20 = gmx_invsqrt(rsq20)gmx_software_invsqrt(rsq20); |
482 | |
483 | rinvsq00 = rinv00*rinv00; |
484 | rinvsq10 = rinv10*rinv10; |
485 | rinvsq20 = rinv20*rinv20; |
486 | |
487 | /* Load parameters for j particles */ |
488 | jq0 = charge[jnr+0]; |
489 | vdwjidx0 = 2*vdwtype[jnr+0]; |
490 | |
491 | /************************** |
492 | * CALCULATE INTERACTIONS * |
493 | **************************/ |
494 | |
495 | qq00 = iq0*jq0; |
496 | c6_00 = vdwparam[vdwioffset0+vdwjidx0]; |
497 | c12_00 = vdwparam[vdwioffset0+vdwjidx0+1]; |
498 | |
499 | /* REACTION-FIELD ELECTROSTATICS */ |
500 | felec = qq00*(rinv00*rinvsq00-krf2); |
501 | |
502 | /* LENNARD-JONES DISPERSION/REPULSION */ |
503 | |
504 | rinvsix = rinvsq00*rinvsq00*rinvsq00; |
505 | fvdw = (c12_00*rinvsix-c6_00)*rinvsix*rinvsq00; |
506 | |
507 | fscal = felec+fvdw; |
508 | |
509 | /* Calculate temporary vectorial force */ |
510 | tx = fscal*dx00; |
511 | ty = fscal*dy00; |
512 | tz = fscal*dz00; |
513 | |
514 | /* Update vectorial force */ |
515 | fix0 += tx; |
516 | fiy0 += ty; |
517 | fiz0 += tz; |
518 | f[j_coord_offset+DIM3*0+XX0] -= tx; |
519 | f[j_coord_offset+DIM3*0+YY1] -= ty; |
520 | f[j_coord_offset+DIM3*0+ZZ2] -= tz; |
521 | |
522 | /************************** |
523 | * CALCULATE INTERACTIONS * |
524 | **************************/ |
525 | |
526 | qq10 = iq1*jq0; |
527 | |
528 | /* REACTION-FIELD ELECTROSTATICS */ |
529 | felec = qq10*(rinv10*rinvsq10-krf2); |
530 | |
531 | fscal = felec; |
532 | |
533 | /* Calculate temporary vectorial force */ |
534 | tx = fscal*dx10; |
535 | ty = fscal*dy10; |
536 | tz = fscal*dz10; |
537 | |
538 | /* Update vectorial force */ |
539 | fix1 += tx; |
540 | fiy1 += ty; |
541 | fiz1 += tz; |
542 | f[j_coord_offset+DIM3*0+XX0] -= tx; |
543 | f[j_coord_offset+DIM3*0+YY1] -= ty; |
544 | f[j_coord_offset+DIM3*0+ZZ2] -= tz; |
545 | |
546 | /************************** |
547 | * CALCULATE INTERACTIONS * |
548 | **************************/ |
549 | |
550 | qq20 = iq2*jq0; |
551 | |
552 | /* REACTION-FIELD ELECTROSTATICS */ |
553 | felec = qq20*(rinv20*rinvsq20-krf2); |
554 | |
555 | fscal = felec; |
556 | |
557 | /* Calculate temporary vectorial force */ |
558 | tx = fscal*dx20; |
559 | ty = fscal*dy20; |
560 | tz = fscal*dz20; |
561 | |
562 | /* Update vectorial force */ |
563 | fix2 += tx; |
564 | fiy2 += ty; |
565 | fiz2 += tz; |
566 | f[j_coord_offset+DIM3*0+XX0] -= tx; |
567 | f[j_coord_offset+DIM3*0+YY1] -= ty; |
568 | f[j_coord_offset+DIM3*0+ZZ2] -= tz; |
569 | |
570 | /* Inner loop uses 88 flops */ |
571 | } |
572 | /* End of innermost loop */ |
573 | |
574 | tx = ty = tz = 0; |
575 | f[i_coord_offset+DIM3*0+XX0] += fix0; |
576 | f[i_coord_offset+DIM3*0+YY1] += fiy0; |
577 | f[i_coord_offset+DIM3*0+ZZ2] += fiz0; |
578 | tx += fix0; |
579 | ty += fiy0; |
580 | tz += fiz0; |
581 | f[i_coord_offset+DIM3*1+XX0] += fix1; |
582 | f[i_coord_offset+DIM3*1+YY1] += fiy1; |
583 | f[i_coord_offset+DIM3*1+ZZ2] += fiz1; |
584 | tx += fix1; |
585 | ty += fiy1; |
586 | tz += fiz1; |
587 | f[i_coord_offset+DIM3*2+XX0] += fix2; |
588 | f[i_coord_offset+DIM3*2+YY1] += fiy2; |
589 | f[i_coord_offset+DIM3*2+ZZ2] += fiz2; |
590 | tx += fix2; |
591 | ty += fiy2; |
592 | tz += fiz2; |
593 | fshift[i_shift_offset+XX0] += tx; |
594 | fshift[i_shift_offset+YY1] += ty; |
595 | fshift[i_shift_offset+ZZ2] += tz; |
596 | |
597 | /* Increment number of inner iterations */ |
598 | inneriter += j_index_end - j_index_start; |
599 | |
600 | /* Outer loop uses 30 flops */ |
601 | } |
602 | |
603 | /* Increment number of outer iterations */ |
604 | outeriter += nri; |
605 | |
606 | /* Update outer/inner flops */ |
607 | |
608 | inc_nrnb(nrnb,eNR_NBKERNEL_ELEC_VDW_W3_F,outeriter*30 + inneriter*88)(nrnb)->n[eNR_NBKERNEL_ELEC_VDW_W3_F] += outeriter*30 + inneriter *88; |
609 | } |