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cp_eri_mme_interface.F
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1!--------------------------------------------------------------------------------------------------!
2! CP2K: A general program to perform molecular dynamics simulations !
3! Copyright 2000-2025 CP2K developers group <https://cp2k.org> !
4! !
5! SPDX-License-Identifier: GPL-2.0-or-later !
6!--------------------------------------------------------------------------------------------------!
7
8! **************************************************************************************************
9!> \brief Interface to Minimax-Ewald method for periodic ERI's to be used in CP2K.
10! **************************************************************************************************
11
12MODULE cp_eri_mme_interface
13 USE basis_set_types, ONLY: gto_basis_set_type
14 USE cell_methods, ONLY: cell_create,&
15 init_cell
16 USE cell_types, ONLY: cell_release,&
17 cell_type,&
18 pbc
19 USE cp_log_handling, ONLY: cp_get_default_logger,&
20 cp_logger_type
21 USE cp_output_handling, ONLY: cp_print_key_finished_output,&
22 cp_print_key_section_create,&
23 cp_print_key_unit_nr,&
24 medium_print_level
25 USE eri_mme_test, ONLY: eri_mme_2c_perf_acc_test,&
26 eri_mme_3c_perf_acc_test
27 USE eri_mme_types, ONLY: eri_mme_coulomb,&
28 eri_mme_init,&
29 eri_mme_longrange,&
30 eri_mme_param,&
31 eri_mme_print_grid_info,&
32 eri_mme_release,&
33 eri_mme_set_params,&
34 eri_mme_yukawa
35 USE input_keyword_types, ONLY: keyword_create,&
36 keyword_release,&
37 keyword_type
38 USE input_section_types, ONLY: section_add_keyword,&
39 section_add_subsection,&
40 section_create,&
41 section_release,&
42 section_type,&
43 section_vals_get_subs_vals,&
44 section_vals_type,&
45 section_vals_val_get
46 USE input_val_types, ONLY: real_t
47 USE kinds, ONLY: default_string_length,&
48 dp
49 USE message_passing, ONLY: mp_para_env_type
50 USE orbital_pointers, ONLY: init_orbital_pointers
51 USE qs_kind_types, ONLY: get_qs_kind,&
52 qs_kind_type
53 USE string_utilities, ONLY: s2a
54#include "./base/base_uses.f90"
55
56 IMPLICIT NONE
57
58 PRIVATE
59
60 LOGICAL, PRIVATE, PARAMETER :: debug_this_module = .false.
61
62 CHARACTER(len=*), PARAMETER, PRIVATE :: moduleN = 'cp_eri_mme_interface'
63
64 PUBLIC :: &
65 cp_eri_mme_finalize, &
66 cp_eri_mme_init_read_input, &
67 cp_eri_mme_param, &
68 cp_eri_mme_perf_acc_test, &
69 cp_eri_mme_set_params, &
70 cp_eri_mme_update_local_counts, &
71 create_eri_mme_section, &
72 create_eri_mme_test_section
73
74 INTERFACE cp_eri_mme_set_params
75 MODULE PROCEDURE eri_mme_set_params_from_basis
76 MODULE PROCEDURE eri_mme_set_params_custom
77 END INTERFACE
78
79 TYPE cp_eri_mme_param
80 TYPE(cp_logger_type), POINTER :: logger => null()
81 ! There is a bug with some older compilers preventing a default initialization of derived types with allocatable components
82#if defined(FTN_NO_DEFAULT_INIT)
83 TYPE(eri_mme_param) :: par = eri_mme_param(minimax_grid=null())
84#else
85 TYPE(eri_mme_param) :: par = eri_mme_param()
86#endif
87 TYPE(section_vals_type), &
88 POINTER :: mme_section => null()
89 INTEGER :: g_count_2c = 0, r_count_2c = 0
90 INTEGER :: gg_count_3c = 0, gr_count_3c = 0, rr_count_3c = 0
91 LOGICAL :: do_calib = .false.
92 END TYPE cp_eri_mme_param
93
94CONTAINS
95! **************************************************************************************************
96!> \brief Create main input section
97!> \param section ...
98!> \param default_n_minimax ...
99! **************************************************************************************************
100 SUBROUTINE create_eri_mme_section(section, default_n_minimax)
101 TYPE(section_type), POINTER :: section
102 INTEGER, INTENT(IN), OPTIONAL :: default_n_minimax
103
104 INTEGER :: my_default_n_minimax
105 TYPE(keyword_type), POINTER :: keyword
106 TYPE(section_type), POINTER :: print_key, subsection
107
108 NULLIFY (keyword, print_key, subsection)
109 cpassert(.NOT. ASSOCIATED(section))
110
111 IF (PRESENT(default_n_minimax)) THEN
112 my_default_n_minimax = default_n_minimax
113 ELSE
114 my_default_n_minimax = 20
115 END IF
116
117 CALL section_create(section, __location__, name="ERI_MME", &
118 description="Parameters for the calculation of periodic electron repulsion "// &
119 "integrals (ERI) using the Minimax-Ewald (MME) method. "// &
120 "Note: N_MINIMAX is the only parameter to be tuned for accuracy, "// &
121 "all other parameters can be left to default. MME method is faster "// &
122 "than numerical GPW.", &
123 n_keywords=5, n_subsections=1)
124
125 CALL keyword_create(keyword, __location__, &
126 name="N_MINIMAX", &
127 description="Number of terms in minimax approximation of "// &
128 "reciprocal space potential. ", &
129 default_i_val=my_default_n_minimax)
130 CALL section_add_keyword(section, keyword)
131 CALL keyword_release(keyword)
132
133 CALL keyword_create(keyword, __location__, &
134 name="CUTOFF", &
135 description="User-defined energy cutoff to be used only if "// &
136 "DO_CALIBRATE_CUTOFF is set to .FALSE. ", &
137 default_r_val=300.0_dp)
138 CALL section_add_keyword(section, keyword)
139 CALL keyword_release(keyword)
140
141 CALL keyword_create(keyword, __location__, &
142 name="SUM_PRECISION", &
143 description="Terms in lattice sums are ignored if absolute value smaller than this value.", &
144 default_r_val=1.0e-16_dp)
145 CALL section_add_keyword(section, keyword)
146 CALL keyword_release(keyword)
147
148 CALL keyword_create(keyword, __location__, &
149 name="DO_CALIBRATE_CUTOFF", &
150 description="Whether the energy cutoff shall be calibrated to "// &
151 "minimize upper bound error estimate. ", &
152 default_l_val=.true., &
153 lone_keyword_l_val=.true.)
154 CALL section_add_keyword(section, keyword)
155 CALL keyword_release(keyword)
156
157 CALL keyword_create(keyword, __location__, &
158 name="DO_ERROR_ESTIMATE", &
159 description="Whether the error due to minimax approx. and cutoff shall be estimated", &
160 default_l_val=.true., &
161 lone_keyword_l_val=.true.)
162 CALL section_add_keyword(section, keyword)
163 CALL keyword_release(keyword)
164
165 CALL cp_print_key_section_create(print_key, __location__, "ERI_MME_INFO", &
166 description="Controls the printing info.", &
167 print_level=medium_print_level, filename="__STD_OUT__")
168 CALL section_add_subsection(section, print_key)
169 CALL section_release(print_key)
170
171 CALL keyword_create(keyword, __location__, &
172 name="PRINT_CALIB", &
173 description="Print detailed info on calibration. ", &
174 default_l_val=.false., &
175 lone_keyword_l_val=.true.)
176 CALL section_add_keyword(section, keyword)
177 CALL keyword_release(keyword)
178
179 CALL keyword_create(keyword, __location__, &
180 name="DEBUG", &
181 description="debug mode (consistency of summation methods is checked).", &
182 default_l_val=.false., &
183 lone_keyword_l_val=.true.)
184 CALL section_add_keyword(section, keyword)
185 CALL keyword_release(keyword)
186
187 CALL keyword_create(keyword, __location__, &
188 name="DEBUG_TOLERANCE", &
189 description="tolerance for rel. numerical error in debug mode.", &
190 default_r_val=1.0e-06_dp)
191 CALL section_add_keyword(section, keyword)
192 CALL keyword_release(keyword)
193
194 CALL keyword_create(keyword, __location__, &
195 name="DEBUG_NSUM_MAX", &
196 description="restrict debug mode for non-ortho cells to this number of summands. "// &
197 "Sums with more terms are not checked.", &
198 default_i_val=1000000)
199 CALL section_add_keyword(section, keyword)
200 CALL keyword_release(keyword)
201
202 CALL section_create(subsection, __location__, name="CUTOFF_CALIB", &
203 description="Parameters for the calibration of the energy cutoff by "// &
204 "minimizing the errors due to finite cutoff and minimax approximation. "// &
205 "Implemented as bisection of error(minimax) - error(cutoff). Not "// &
206 "implemented for non-orthorhombic cells. ", &
207 n_keywords=5, n_subsections=0)
208
209 CALL keyword_create(keyword, __location__, &
210 name="MIN", &
211 description="Initial guess of lower bound for cutoff. ", &
212 default_r_val=10.0_dp)
213 CALL section_add_keyword(subsection, keyword)
214 CALL keyword_release(keyword)
215
216 CALL keyword_create(keyword, __location__, &
217 name="MAX", &
218 description="Initial guess of upper bound for cutoff. ", &
219 default_r_val=10000.0_dp)
220 CALL section_add_keyword(subsection, keyword)
221 CALL keyword_release(keyword)
222
223 CALL keyword_create(keyword, __location__, &
224 name="DELTA", &
225 description="Relative widening of cutoff interval in case starting "// &
226 "values are not valid. ", &
227 default_r_val=0.9_dp)
228 CALL section_add_keyword(subsection, keyword)
229 CALL keyword_release(keyword)
230
231 CALL keyword_create(keyword, __location__, &
232 name="EPS", &
233 description="Relative cutoff precision required to stop calibration. ", &
234 default_r_val=0.01_dp)
235 CALL section_add_keyword(subsection, keyword)
236 CALL keyword_release(keyword)
237
238 CALL section_add_subsection(section, subsection)
239 CALL section_release(subsection)
240
241 END SUBROUTINE create_eri_mme_section
242
243! **************************************************************************************************
244!> \brief Read input and initialize parameter type
245!> \param mme_section ...
246!> \param param ...
247! **************************************************************************************************
248 SUBROUTINE cp_eri_mme_init_read_input(mme_section, param)
249 TYPE(section_vals_type), POINTER :: mme_section
250 TYPE(cp_eri_mme_param), INTENT(INOUT) :: param
251
252 INTEGER :: debug_nsum, n_minimax, unit_nr
253 LOGICAL :: debug, do_calib_cutoff, do_error_est, &
254 print_calib
255 REAL(kind=dp) :: cutoff, cutoff_delta, cutoff_eps, &
256 cutoff_max, cutoff_min, debug_delta, &
257 sum_precision
258 TYPE(cp_logger_type), POINTER :: logger
259 TYPE(section_vals_type), POINTER :: subsection
260
261 logger => cp_get_default_logger()
262 unit_nr = cp_print_key_unit_nr(logger, mme_section, "ERI_MME_INFO", &
263 extension=".eri_mme")
264
265 NULLIFY (subsection)
266 CALL section_vals_val_get(mme_section, "N_MINIMAX", i_val=n_minimax)
267
268 CALL section_vals_val_get(mme_section, "CUTOFF", r_val=cutoff)
269 CALL section_vals_val_get(mme_section, "SUM_PRECISION", r_val=sum_precision)
270 CALL section_vals_val_get(mme_section, "DO_CALIBRATE_CUTOFF", l_val=do_calib_cutoff)
271 CALL section_vals_val_get(mme_section, "DO_ERROR_ESTIMATE", l_val=do_error_est)
272 CALL section_vals_val_get(mme_section, "PRINT_CALIB", l_val=print_calib)
273 subsection => section_vals_get_subs_vals(mme_section, "CUTOFF_CALIB")
274 CALL section_vals_val_get(subsection, "MIN", r_val=cutoff_min)
275 CALL section_vals_val_get(subsection, "MAX", r_val=cutoff_max)
276 CALL section_vals_val_get(subsection, "EPS", r_val=cutoff_eps)
277 CALL section_vals_val_get(subsection, "DELTA", r_val=cutoff_delta)
278 CALL section_vals_val_get(mme_section, "DEBUG", l_val=debug)
279 CALL section_vals_val_get(mme_section, "DEBUG_TOLERANCE", r_val=debug_delta)
280 CALL section_vals_val_get(mme_section, "DEBUG_NSUM_MAX", i_val=debug_nsum)
281
282 param%mme_section => mme_section
283
284 CALL eri_mme_init(param%par, n_minimax, &
285 cutoff, do_calib_cutoff, do_error_est, cutoff_min, cutoff_max, cutoff_eps, cutoff_delta, &
286 sum_precision, debug, debug_delta, debug_nsum, unit_nr, print_calib)
287
288 param%do_calib = do_calib_cutoff
289
290 param%G_count_2c = 0
291 param%R_count_2c = 0
292 param%GG_count_3c = 0
293 param%GR_count_3c = 0
294 param%RR_count_3c = 0
295
296 param%logger => logger
297 END SUBROUTINE cp_eri_mme_init_read_input
298
299! **************************************************************************************************
300!> \brief Release eri mme data. Prints some statistics on summation methods chosen.
301!> \param param ...
302! **************************************************************************************************
303 SUBROUTINE cp_eri_mme_finalize(param)
304 TYPE(cp_eri_mme_param), INTENT(INOUT) :: param
305
306 INTEGER :: count_2c, count_3c, unit_nr
307
308 count_2c = param%G_count_2c + param%R_count_2c
309 count_3c = param%GG_count_3c + param%GR_count_3c + param%RR_count_3c
310
311 unit_nr = param%par%unit_nr
312
313 IF (unit_nr > 0) THEN
314 IF (count_2c .GT. 0) THEN
315 WRITE (unit_nr, '(/T2, A)') "ERI_MME| Percentage of 2-center integrals evaluated in"
316 WRITE (unit_nr, '(T2, A, T76, F5.1)') "ERI_MME| G space:", &
317 100.0_dp*param%G_count_2c/count_2c
318 WRITE (unit_nr, '(T2, A, T76, F5.1/)') "ERI_MME| R space:", &
319 100.0_dp*param%R_count_2c/count_2c
320 END IF
321 IF (count_3c .GT. 0) THEN
322 WRITE (unit_nr, '(/T2, A)') "ERI_MME| Percentage of 3-center integrals evaluated in"
323 WRITE (unit_nr, '(T2, A, T76, F5.1)') "ERI_MME| G/G space:", &
324 100.0_dp*param%GG_count_3c/count_3c
325 WRITE (unit_nr, '(T2, A, T76, F5.1)') "ERI_MME| G/R space:", &
326 100.0_dp*param%GR_count_3c/count_3c
327 WRITE (unit_nr, '(T2, A, T76, F5.1/)') "ERI_MME| R/R space:", &
328 100.0_dp*param%RR_count_3c/count_3c
329 END IF
330 END IF
331
332 CALL eri_mme_release(param%par)
333 CALL cp_print_key_finished_output(unit_nr, param%logger, param%mme_section, "ERI_MME_INFO")
334 END SUBROUTINE cp_eri_mme_finalize
335
336! **************************************************************************************************
337!> \brief Set parameters for MME method by deriving basis info from basis set.
338!> Cutoff can be auto-calibrated to minimize total error.
339!> \param param ...
340!> \param cell ...
341!> \param qs_kind_set ...
342!> \param basis_type_1 ...
343!> \param basis_type_2 ...
344!> \param para_env ...
345!> \param potential ...
346!> \param pot_par ...
347! **************************************************************************************************
348 SUBROUTINE eri_mme_set_params_from_basis(param, cell, qs_kind_set, basis_type_1, basis_type_2, para_env, &
349 potential, pot_par)
350 TYPE(cp_eri_mme_param), INTENT(INOUT) :: param
351 TYPE(cell_type), POINTER :: cell
352 TYPE(qs_kind_type), DIMENSION(:), INTENT(IN), &
353 POINTER :: qs_kind_set
354 CHARACTER(len=*), INTENT(IN) :: basis_type_1
355 CHARACTER(len=*), INTENT(IN), OPTIONAL :: basis_type_2
356 TYPE(mp_para_env_type), INTENT(IN) :: para_env
357 INTEGER, INTENT(IN), OPTIONAL :: potential
358 REAL(KIND=dp), INTENT(IN), OPTIONAL :: pot_par
359
360 CHARACTER(LEN=*), PARAMETER :: routineN = 'eri_mme_set_params_from_basis'
361
362 INTEGER :: handle, l_max, l_max_zet
363 REAL(KIND=dp) :: zet_max, zet_min
364
365 CALL timeset(routinen, handle)
366
367 CALL error_est_pgf_params_from_basis(qs_kind_set, basis_type_1, basis_type_2, &
368 zet_min, zet_max, l_max_zet, l_max)
369
370 CALL eri_mme_set_params_custom(param, cell%hmat, cell%orthorhombic, &
371 zet_min, zet_max, l_max_zet, &
372 l_max, para_env, &
373 potential, pot_par)
374
375 CALL timestop(handle)
376 END SUBROUTINE eri_mme_set_params_from_basis
377
378! **************************************************************************************************
379!> \brief Wrapper for eri_mme_set_params
380!> \param param ...
381!> \param hmat ...
382!> \param is_ortho ...
383!> \param zet_min ...
384!> \param zet_max ...
385!> \param l_max_zet ...
386!> \param l_max ...
387!> \param para_env ...
388!> \param potential ...
389!> \param pot_par ...
390! **************************************************************************************************
391 SUBROUTINE eri_mme_set_params_custom(param, hmat, is_ortho, zet_min, zet_max, l_max_zet, l_max, para_env, &
392 potential, pot_par)
393 TYPE(cp_eri_mme_param), INTENT(INOUT) :: param
394 REAL(kind=dp), DIMENSION(3, 3), INTENT(IN) :: hmat
395 LOGICAL, INTENT(IN) :: is_ortho
396 REAL(kind=dp), INTENT(IN) :: zet_min, zet_max
397 INTEGER, INTENT(IN) :: l_max_zet, l_max
398 TYPE(mp_para_env_type), INTENT(IN) :: para_env
399 INTEGER, INTENT(IN), OPTIONAL :: potential
400 REAL(KIND=dp), INTENT(IN), OPTIONAL :: pot_par
401
402 REAL(KIND=dp), PARAMETER :: eps_changed = 1.0e-14_dp
403
404 IF (param%do_calib) THEN
405 IF (.NOT. param%par%is_valid) THEN
406 param%par%do_calib_cutoff = .true.
407 ELSE
408 ! only calibrate cutoff if parameters (cell, basis coefficients) have changed
409 IF (all(abs(param%par%hmat - hmat) < eps_changed) .AND. &
410 abs(param%par%zet_min - zet_min) < eps_changed .AND. &
411 abs(param%par%zet_max - zet_max) < eps_changed .AND. &
412 param%par%l_max_zet == l_max_zet) THEN
413 param%par%do_calib_cutoff = .false.
414 ELSE
415 param%par%do_calib_cutoff = .true.
416 END IF
417 END IF
418 ELSE
419 param%par%do_calib_cutoff = .false.
420 END IF
421
422 CALL eri_mme_set_params(param%par, hmat, is_ortho, zet_min, zet_max, l_max_zet, l_max, para_env, &
423 potential, pot_par)
424
425 CALL eri_mme_print_info(param)
426 END SUBROUTINE eri_mme_set_params_custom
427
428! **************************************************************************************************
429!> \brief Get basis parameters for estimating cutoff and minimax error from cp2k basis
430!> \param qs_kind_set ...
431!> \param basis_type_1 ...
432!> \param basis_type_2 ...
433!> \param zet_min Smallest exponent, used to estimate error due to minimax approx.
434!> \param zet_max contains max. exponent,
435!> used to estimate cutoff error
436!> \param l_max_zet contains the largest l for max. exponent,
437!> used to estimate cutoff error
438!> \param l_max ...
439! **************************************************************************************************
440 SUBROUTINE error_est_pgf_params_from_basis(qs_kind_set, basis_type_1, basis_type_2, zet_min, zet_max, l_max_zet, l_max)
441 TYPE(qs_kind_type), DIMENSION(:), INTENT(IN), &
442 POINTER :: qs_kind_set
443 CHARACTER(len=*), INTENT(IN) :: basis_type_1
444 CHARACTER(len=*), INTENT(IN), OPTIONAL :: basis_type_2
445 REAL(kind=dp), INTENT(OUT) :: zet_min, zet_max
446 INTEGER, INTENT(OUT) :: l_max_zet, l_max
447
448 CHARACTER(LEN=*), PARAMETER :: routinen = 'error_est_pgf_params_from_basis'
449
450 CHARACTER(len=default_string_length) :: basis_type
451 INTEGER :: handle, ibasis, ikind, ipgf, iset, l_m, &
452 l_zet, nbasis, nkind, nset
453 INTEGER, DIMENSION(:), POINTER :: npgf
454 REAL(kind=dp) :: zet_m
455 TYPE(gto_basis_set_type), POINTER :: basis_set
456
457 CALL timeset(routinen, handle)
458
459 l_m = 0
460 zet_m = 0.0_dp
461 l_zet = -1
462 zet_min = -1.0_dp
463
464 nkind = SIZE(qs_kind_set)
465 nbasis = merge(2, 1, PRESENT(basis_type_2))
466
467 ! 1) get global max l and max zet
468 ! (and min zet for minimax error)
469 DO ikind = 1, nkind
470 DO ibasis = 1, nbasis
471 IF (ibasis .EQ. 1) THEN
472 basis_type = basis_type_1
473 ELSE
474 basis_type = basis_type_2
475 END IF
476 CALL get_qs_kind(qs_kind=qs_kind_set(ikind), basis_set=basis_set, &
477 basis_type=basis_type)
478 cpassert(ASSOCIATED(basis_set))
479 npgf => basis_set%npgf
480 nset = basis_set%nset
481 l_m = max(l_m, maxval(basis_set%lmax(:)))
482 DO iset = 1, nset
483 zet_m = max(zet_m, maxval(basis_set%zet(1:npgf(iset), iset)))
484 IF (zet_min .LT. 0.0_dp) THEN
485 zet_min = minval(basis_set%zet(1:npgf(iset), iset))
486 ELSE
487 zet_min = min(zet_min, minval(basis_set%zet(1:npgf(iset), iset)))
488 END IF
489 END DO
490 END DO
491 END DO
492
493 ! 2) get largest zet for max l and largest l for max zet
494 DO ikind = 1, nkind
495 DO ibasis = 1, nbasis
496 IF (ibasis .EQ. 1) THEN
497 basis_type = basis_type_1
498 ELSE
499 basis_type = basis_type_2
500 END IF
501 CALL get_qs_kind(qs_kind=qs_kind_set(ikind), basis_set=basis_set, &
502 basis_type=basis_type)
503 DO iset = 1, basis_set%nset
504 DO ipgf = 1, basis_set%npgf(iset)
505 IF (abs(zet_m - basis_set%zet(ipgf, iset)) .LE. (zet_m*1.0e-12_dp) &
506 .AND. (basis_set%lmax(iset) .GT. l_zet)) THEN
507 l_zet = basis_set%lmax(iset)
508 END IF
509 END DO
510 END DO
511 END DO
512 END DO
513
514 cpassert(l_zet .GE. 0)
515
516 zet_max = zet_m
517
518 ! l + 1 because we may calculate forces
519 ! this is probably a safe choice also for the case that forces are not needed
520 l_max_zet = l_zet + 1
521 l_max = l_m + 1
522
523 CALL timestop(handle)
524 END SUBROUTINE error_est_pgf_params_from_basis
525
526! **************************************************************************************************
527!> \brief ...
528!> \param param ...
529! **************************************************************************************************
530 SUBROUTINE eri_mme_print_info(param)
531 TYPE(cp_eri_mme_param) :: param
532
533 INTEGER :: igrid, unit_nr
534 LOGICAL :: print_multigrids
535 TYPE(cp_logger_type), POINTER :: logger
536
537 print_multigrids = .false.
538
539 logger => param%logger
540
541 unit_nr = param%par%unit_nr
542
543 IF (unit_nr > 0) THEN
544 SELECT CASE (param%par%potential)
545 CASE (eri_mme_coulomb)
546 WRITE (unit_nr, '(/T2, A)') "ERI_MME| Potential: Coulomb"
547 CASE (eri_mme_yukawa)
548 WRITE (unit_nr, '(/T2, A, ES9.2)') "ERI_MME| Potential: Yukawa with a=", param%par%pot_par
549 CASE (eri_mme_longrange)
550 WRITE (unit_nr, '(/T2, A, ES9.2)') "ERI_MME| Potential: long-range Coulomb with a=", param%par%pot_par
551 END SELECT
552 END IF
553
554 IF (unit_nr > 0) THEN
555 WRITE (unit_nr, '(/T2, A, T71, F10.1)') "ERI_MME| Cutoff for ERIs [a.u.]:", param%par%cutoff
556 WRITE (unit_nr, '(/T2, A, T78, I3/)') "ERI_MME| Number of terms in minimax approximation:", param%par%n_minimax
557 END IF
558 IF (param%par%is_ortho) THEN
559 IF (unit_nr > 0) THEN
560 IF (param%par%do_error_est) THEN
561 WRITE (unit_nr, '(T2, A)') "ERI_MME| Estimated absolute error for normalized Hermite-Gaussian basis"
562 WRITE (unit_nr, '(T2, A, T72, ES9.2)') "ERI_MME| Minimax error:", param%par%err_mm
563 WRITE (unit_nr, '(T2, A, T72, ES9.2)') "ERI_MME| Cutoff error:", param%par%err_c
564 WRITE (unit_nr, '(T2, A, T72, ES9.2)') "ERI_MME| Total error (minimax + cutoff):", param%par%err_mm + param%par%err_c
565 END IF
566 IF (param%par%print_calib) &
567 WRITE (unit_nr, '(T2, A, T68, F13.10)') "ERI_MME| Minimax scaling constant in AM-GM estimate:", param%par%C_mm
568 END IF
569 END IF
570
571 IF (print_multigrids) THEN
572 DO igrid = 1, param%par%n_grids
573 CALL eri_mme_print_grid_info(param%par%minimax_grid(igrid), igrid, unit_nr)
574 END DO
575 END IF
576
577 IF (unit_nr > 0) WRITE (unit_nr, *)
578
579 END SUBROUTINE eri_mme_print_info
580
581! **************************************************************************************************
582!> \brief Create input section for unit testing
583!> \param section ...
584! **************************************************************************************************
585 SUBROUTINE create_eri_mme_test_section(section)
586 TYPE(section_type), INTENT(INOUT), POINTER :: section
587
588 TYPE(keyword_type), POINTER :: keyword
589 TYPE(section_type), POINTER :: subsection
590
591 NULLIFY (keyword, subsection)
592
593 cpassert(.NOT. ASSOCIATED(section))
594 CALL section_create(section, __location__, name="ERI_MME_TEST", &
595 description="Parameters for testing the ERI_MME method for electron repulsion integrals. "// &
596 "Testing w.r.t. performance and accuracy. ", &
597 n_keywords=5, n_subsections=1)
598
599 CALL create_eri_mme_section(subsection)
600 CALL section_add_subsection(section, subsection)
601 CALL section_release(subsection)
602
603 CALL keyword_create(keyword, __location__, &
604 name="_SECTION_PARAMETERS_", &
605 description="Controls the activation the ERI_MME test. ", &
606 default_l_val=.false., &
607 lone_keyword_l_val=.true.)
608 CALL section_add_keyword(section, keyword)
609 CALL keyword_release(keyword)
610
611 CALL keyword_create(keyword, __location__, name="TEST_3C", &
612 description="Whether to test 3-center integrals.", &
613 default_l_val=.true., &
614 lone_keyword_l_val=.true.)
615 CALL section_add_keyword(section, keyword)
616 CALL keyword_release(keyword)
617
618 CALL keyword_create(keyword, __location__, name="TEST_2C", &
619 description="Whether to test 2-center integrals.", &
620 default_l_val=.true., &
621 lone_keyword_l_val=.true.)
622 CALL section_add_keyword(section, keyword)
623 CALL keyword_release(keyword)
624
625 CALL keyword_create(keyword, __location__, name="ABC", &
626 description="Specify the lengths of the cell vectors A, B, and C. ", &
627 usage="ABC 10.000 10.000 10.000", unit_str="angstrom", &
628 n_var=3, type_of_var=real_t)
629 CALL section_add_keyword(section, keyword)
630 CALL keyword_release(keyword)
631
632 CALL keyword_create(keyword, __location__, name="MIN_NPOS", &
633 description="Minimum number of atomic distances to consider. ", &
634 default_i_val=8)
635 CALL section_add_keyword(section, keyword)
636 CALL keyword_release(keyword)
637
638 CALL keyword_create(keyword, __location__, name="NREP", &
639 description="Number of repeated calculation of each integral. ", &
640 default_i_val=1)
641 CALL section_add_keyword(section, keyword)
642 CALL keyword_release(keyword)
643
644 CALL keyword_create(keyword, __location__, name="CHECK_2C_ACCURACY", &
645 description="Whether integrals should be compared to reference values, "// &
646 "created on the fly by exact method (G-space sum on grid without "// &
647 "minimax approximation). Note: only feasible for not too many "// &
648 "integrals and maximum exponent around 10.0. ", &
649 default_l_val=.false., &
650 lone_keyword_l_val=.true.)
651
652 CALL section_add_keyword(section, keyword)
653 CALL keyword_release(keyword)
654
655 CALL keyword_create(keyword, __location__, name="LMAX", &
656 description="Maximum total angular momentum quantum number. ", &
657 default_i_val=6)
658 CALL section_add_keyword(section, keyword)
659 CALL keyword_release(keyword)
660
661 CALL keyword_create(keyword, __location__, name="ZET_MIN", &
662 description="Minimum exponent. ", &
663 default_r_val=0.001_dp)
664 CALL section_add_keyword(section, keyword)
665 CALL keyword_release(keyword)
666
667 CALL keyword_create(keyword, __location__, name="ZET_MAX", &
668 description="Maximum exponent. ", &
669 default_r_val=1.0_dp)
670 CALL section_add_keyword(section, keyword)
671 CALL keyword_release(keyword)
672
673 CALL keyword_create(keyword, __location__, name="NZET", &
674 description="Number of exponents (logarithmic partition between ZET_MIN and ZET_MAX). ", &
675 default_i_val=4)
676 CALL section_add_keyword(section, keyword)
677 CALL keyword_release(keyword)
678
679 CALL keyword_create(keyword, __location__, name="NSAMPLE_3C", &
680 description="If NSAMPLE_3C = N, only calculate every Nth 3-center integral.", &
681 default_i_val=1)
682 CALL section_add_keyword(section, keyword)
683 CALL keyword_release(keyword)
684
685 CALL keyword_create(keyword, __location__, name="POTENTIAL", &
686 description="Operator to test", &
687 default_i_val=eri_mme_coulomb, &
688 enum_i_vals=(/eri_mme_coulomb, eri_mme_yukawa, eri_mme_longrange/), &
689 enum_c_vals=s2a("COULOMB", "YUKAWA", "LONGRANGE"), &
690 enum_desc=s2a("1/r", "exp(-a*r)/r", "erf(a*r)/r"))
691 CALL section_add_keyword(section, keyword)
692 CALL keyword_release(keyword)
693
694 CALL keyword_create(keyword, __location__, name="POTENTIAL_PARAM", &
695 description="Parameter 'a' for chosen potential, ignored for Coulomb", &
696 default_r_val=0.0_dp)
697 CALL section_add_keyword(section, keyword)
698 CALL keyword_release(keyword)
699
700 END SUBROUTINE create_eri_mme_test_section
701
702! **************************************************************************************************
703!> \brief Update local counters to gather statistics on different paths taken in MME algorithm
704!> (each Ewald sum can be performed over direct or reciprocal lattice vectors)
705!> \param param ...
706!> \param para_env ...
707!> \param G_count_2c ...
708!> \param R_count_2c ...
709!> \param GG_count_3c ...
710!> \param GR_count_3c ...
711!> \param RR_count_3c ...
712! **************************************************************************************************
713 SUBROUTINE cp_eri_mme_update_local_counts(param, para_env, G_count_2c, R_count_2c, GG_count_3c, GR_count_3c, RR_count_3c)
714 TYPE(cp_eri_mme_param), INTENT(INOUT) :: param
715 TYPE(mp_para_env_type), INTENT(IN) :: para_env
716 INTEGER, INTENT(INOUT), OPTIONAL :: g_count_2c, r_count_2c, gg_count_3c, &
717 gr_count_3c, rr_count_3c
718
719 IF (PRESENT(g_count_2c)) THEN
720 CALL para_env%sum(g_count_2c)
721 param%G_count_2c = param%G_count_2c + g_count_2c
722 END IF
723
724 IF (PRESENT(r_count_2c)) THEN
725 CALL para_env%sum(r_count_2c)
726 param%R_count_2c = param%R_count_2c + r_count_2c
727 END IF
728
729 IF (PRESENT(gg_count_3c)) THEN
730 CALL para_env%sum(gg_count_3c)
731 param%GG_count_3c = param%GG_count_3c + gg_count_3c
732 END IF
733
734 IF (PRESENT(gr_count_3c)) THEN
735 CALL para_env%sum(gr_count_3c)
736 param%GR_count_3c = param%GR_count_3c + gr_count_3c
737 END IF
738
739 IF (PRESENT(rr_count_3c)) THEN
740 CALL para_env%sum(rr_count_3c)
741 param%RR_count_3c = param%RR_count_3c + rr_count_3c
742 END IF
743
744 END SUBROUTINE cp_eri_mme_update_local_counts
745
746! **************************************************************************************************
747!> \brief ...
748!> \param para_env ...
749!> \param iw ...
750!> \param eri_mme_test_section ...
751! **************************************************************************************************
752 SUBROUTINE cp_eri_mme_perf_acc_test(para_env, iw, eri_mme_test_section)
753 TYPE(mp_para_env_type), INTENT(IN) :: para_env
754 INTEGER, INTENT(IN) :: iw
755 TYPE(section_vals_type), POINTER :: eri_mme_test_section
756
757 INTEGER :: count_r, g_count, gg_count, gr_count, i, &
758 ix, iy, iz, l_max, min_nr, nr, nr_xyz, &
759 nrep, nsample, nzet, potential, &
760 r_count, rr_count
761 LOGICAL :: test_2c, test_3c, test_accuracy
762 REAL(kind=dp) :: pot_par, zet_fac, zetmax, zetmin
763 REAL(kind=dp), ALLOCATABLE, DIMENSION(:) :: zet
764 REAL(kind=dp), ALLOCATABLE, DIMENSION(:, :) :: rabc
765 REAL(kind=dp), DIMENSION(:), POINTER :: cell_par
766 TYPE(cell_type), POINTER :: box
767 TYPE(cp_eri_mme_param) :: param
768 TYPE(section_vals_type), POINTER :: eri_mme_section
769
770 NULLIFY (box, eri_mme_section, cell_par)
771
772 eri_mme_section => section_vals_get_subs_vals(eri_mme_test_section, "ERI_MME")
773 CALL cp_eri_mme_init_read_input(eri_mme_section, param)
774 CALL section_vals_val_get(eri_mme_test_section, "TEST_3C", l_val=test_3c)
775 CALL section_vals_val_get(eri_mme_test_section, "TEST_2C", l_val=test_2c)
776
777 CALL section_vals_val_get(eri_mme_test_section, "ABC", r_vals=cell_par)
778 CALL section_vals_val_get(eri_mme_test_section, "MIN_NPOS", i_val=min_nr)
779 CALL section_vals_val_get(eri_mme_test_section, "NREP", i_val=nrep)
780 CALL section_vals_val_get(eri_mme_test_section, "CHECK_2C_ACCURACY", l_val=test_accuracy)
781 CALL section_vals_val_get(eri_mme_test_section, "LMAX", i_val=l_max)
782 CALL section_vals_val_get(eri_mme_test_section, "ZET_MIN", r_val=zetmin)
783 CALL section_vals_val_get(eri_mme_test_section, "ZET_MAX", r_val=zetmax)
784 CALL section_vals_val_get(eri_mme_test_section, "NZET", i_val=nzet)
785 CALL section_vals_val_get(eri_mme_test_section, "NSAMPLE_3C", i_val=nsample)
786 CALL section_vals_val_get(eri_mme_test_section, "POTENTIAL", i_val=potential)
787 CALL section_vals_val_get(eri_mme_test_section, "POTENTIAL_PARAM", r_val=pot_par)
788
789 IF (nzet .LE. 0) &
790 cpabort("Number of exponents NZET must be greater than 0.")
791
792 CALL init_orbital_pointers(l_max)
793
794 ! Create ranges of zet to be tested
795 ALLOCATE (zet(nzet))
796
797 zet(1) = zetmin
798 IF (nzet .GT. 1) THEN
799 zet_fac = (zetmax/zetmin)**(1.0_dp/(nzet - 1))
800 DO i = 1, nzet - 1
801 zet(i + 1) = zet(i)*zet_fac
802 END DO
803 END IF
804
805 ! initialize cell
806 CALL cell_create(box)
807 box%hmat = 0.0_dp
808 box%hmat(1, 1) = cell_par(1)
809 box%hmat(2, 2) = cell_par(2)
810 box%hmat(3, 3) = cell_par(3)
811 CALL init_cell(box)
812
813 ! Create range of rab (atomic distances) to be tested
814 nr_xyz = ceiling(real(min_nr, kind=dp)**(1.0_dp/3.0_dp) - 1.0e-06)
815 nr = nr_xyz**3
816
817 ALLOCATE (rabc(3, nr))
818 count_r = 0
819 DO ix = 1, nr_xyz
820 DO iy = 1, nr_xyz
821 DO iz = 1, nr_xyz
822 count_r = count_r + 1
823 ! adding 10% of cell size to positions to avoid atoms exactly at boundary or center of a cell
824 rabc(:, count_r) = pbc([ix*abs(cell_par(1)), &
825 iy*abs(cell_par(2)), &
826 iz*abs(cell_par(3))]/nr_xyz + &
827 0.1_dp*abs(cell_par(:)), box)
828 END DO
829 END DO
830 END DO
831
832 ! initialize MME method
833 CALL cp_eri_mme_set_params(param, box%hmat, box%orthorhombic, minval(zet), maxval(zet), l_max, l_max, para_env, &
834 potential, pot_par)
835
836 IF (iw > 0) WRITE (iw, '(T2, A, T61, I20)') "ERI_MME| Number of atomic distances:", nr
837
838 g_count = 0; r_count = 0
839 gg_count = 0; gr_count = 0; rr_count = 0
840
841 IF (test_2c) CALL eri_mme_2c_perf_acc_test(param%par, l_max, zet, rabc, nrep, test_accuracy, para_env, iw, &
842 potential=potential, pot_par=pot_par, g_count=g_count, r_count=r_count)
843 IF (test_3c) CALL eri_mme_3c_perf_acc_test(param%par, l_max, zet, rabc, nrep, nsample, &
844 para_env, iw, potential=potential, pot_par=pot_par, &
845 gg_count=gg_count, gr_count=gr_count, rr_count=rr_count)
846 CALL cp_eri_mme_update_local_counts(param, para_env, g_count, r_count, gg_count, gr_count, rr_count)
847 CALL cp_eri_mme_finalize(param)
848 CALL cell_release(box)
849 END SUBROUTINE cp_eri_mme_perf_acc_test
850
851END MODULE cp_eri_mme_interface
cell_types::pbc
Definition cell_types.F:92
cp_eri_mme_interface::cp_eri_mme_set_params
Definition cp_eri_mme_interface.F:74
string_utilities::s2a
Definition string_utilities.F:49
basis_set_types
Definition basis_set_types.F:15
cell_methods
Handles all functions related to the CELL.
Definition cell_methods.F:15
cell_methods::init_cell
subroutine, public init_cell(cell, hmat, periodic)
Initialise/readjust a simulation cell after hmat has been changed.
Definition cell_methods.F:117
cell_methods::cell_create
subroutine, public cell_create(cell, hmat, periodic, tag)
allocates and initializes a cell
Definition cell_methods.F:85
cell_types
Handles all functions related to the CELL.
Definition cell_types.F:15
cell_types::cell_release
subroutine, public cell_release(cell)
releases the given cell (see doc/ReferenceCounting.html)
Definition cell_types.F:559
cp_eri_mme_interface
Interface to Minimax-Ewald method for periodic ERI's to be used in CP2K.
Definition cp_eri_mme_interface.F:12
cp_eri_mme_interface::create_eri_mme_test_section
subroutine, public create_eri_mme_test_section(section)
Create input section for unit testing.
Definition cp_eri_mme_interface.F:586
cp_eri_mme_interface::create_eri_mme_section
subroutine, public create_eri_mme_section(section, default_n_minimax)
Create main input section.
Definition cp_eri_mme_interface.F:101
cp_eri_mme_interface::cp_eri_mme_perf_acc_test
subroutine, public cp_eri_mme_perf_acc_test(para_env, iw, eri_mme_test_section)
...
Definition cp_eri_mme_interface.F:753
cp_eri_mme_interface::cp_eri_mme_init_read_input
subroutine, public cp_eri_mme_init_read_input(mme_section, param)
Read input and initialize parameter type.
Definition cp_eri_mme_interface.F:249
cp_eri_mme_interface::cp_eri_mme_finalize
subroutine, public cp_eri_mme_finalize(param)
Release eri mme data. Prints some statistics on summation methods chosen.
Definition cp_eri_mme_interface.F:304
cp_eri_mme_interface::cp_eri_mme_update_local_counts
subroutine, public cp_eri_mme_update_local_counts(param, para_env, g_count_2c, r_count_2c, gg_count_3c, gr_count_3c, rr_count_3c)
Update local counters to gather statistics on different paths taken in MME algorithm (each Ewald sum ...
Definition cp_eri_mme_interface.F:714
cp_log_handling
various routines to log and control the output. The idea is that decisions about where to log should ...
Definition cp_log_handling.F:41
cp_log_handling::cp_get_default_logger
type(cp_logger_type) function, pointer, public cp_get_default_logger()
returns the default logger
Definition cp_log_handling.F:234
cp_output_handling
routines to handle the output, The idea is to remove the decision of wheter to output and what to out...
Definition cp_output_handling.F:25
cp_output_handling::cp_print_key_unit_nr
integer function, public cp_print_key_unit_nr(logger, basis_section, print_key_path, extension, middle_name, local, log_filename, ignore_should_output, file_form, file_position, file_action, file_status, do_backup, on_file, is_new_file, mpi_io, fout)
...
Definition cp_output_handling.F:853
cp_output_handling::medium_print_level
integer, parameter, public medium_print_level
Definition cp_output_handling.F:73
cp_output_handling::cp_print_key_finished_output
subroutine, public cp_print_key_finished_output(unit_nr, logger, basis_section, print_key_path, local, ignore_should_output, on_file, mpi_io)
should be called after you finish working with a unit obtained with cp_print_key_unit_nr,...
Definition cp_output_handling.F:1063
cp_output_handling::cp_print_key_section_create
subroutine, public cp_print_key_section_create(print_key_section, location, name, description, print_level, each_iter_names, each_iter_values, add_last, filename, common_iter_levels, citations, unit_str)
creates a print_key section
Definition cp_output_handling.F:174
eri_mme_test
Methods for testing / debugging.
Definition eri_mme_test.F:14
eri_mme_test::eri_mme_3c_perf_acc_test
subroutine, public eri_mme_3c_perf_acc_test(param, l_max, zet, rabc, nrep, nsample, para_env, iw, potential, pot_par, gg_count, gr_count, rr_count)
...
Definition eri_mme_test.F:187
eri_mme_test::eri_mme_2c_perf_acc_test
subroutine, public eri_mme_2c_perf_acc_test(param, l_max, zet, rabc, nrep, test_accuracy, para_env, iw, potential, pot_par, g_count, r_count)
Unit test for performance and accuracy.
Definition eri_mme_test.F:60
eri_mme_types
Types and initialization / release routines for Minimax-Ewald method for electron repulsion integrals...
Definition eri_mme_types.F:16
eri_mme_types::eri_mme_release
subroutine, public eri_mme_release(param)
...
Definition eri_mme_types.F:471
eri_mme_types::eri_mme_init
subroutine, public eri_mme_init(param, n_minimax, cutoff, do_calib_cutoff, do_error_est, cutoff_min, cutoff_max, cutoff_eps, cutoff_delta, sum_precision, debug, debug_delta, debug_nsum, unit_nr, print_calib)
...
Definition eri_mme_types.F:116
eri_mme_types::eri_mme_set_params
subroutine, public eri_mme_set_params(param, hmat, is_ortho, zet_min, zet_max, l_max_zet, l_max, para_env, potential, pot_par)
Set parameters for MME method with manual specification of basis parameters. Takes care of cutoff cal...
Definition eri_mme_types.F:175
eri_mme_types::eri_mme_print_grid_info
subroutine, public eri_mme_print_grid_info(grid, grid_no, unit_nr)
...
Definition eri_mme_types.F:453
input_keyword_types
represents keywords in an input
Definition input_keyword_types.F:14
input_keyword_types::keyword_release
subroutine, public keyword_release(keyword)
releases the given keyword (see doc/ReferenceCounting.html)
Definition input_keyword_types.F:439
input_keyword_types::keyword_create
subroutine, public keyword_create(keyword, location, name, description, usage, type_of_var, n_var, repeats, variants, default_val, default_l_val, default_r_val, default_lc_val, default_c_val, default_i_val, default_l_vals, default_r_vals, default_c_vals, default_i_vals, lone_keyword_val, lone_keyword_l_val, lone_keyword_r_val, lone_keyword_c_val, lone_keyword_i_val, lone_keyword_l_vals, lone_keyword_r_vals, lone_keyword_c_vals, lone_keyword_i_vals, enum_c_vals, enum_i_vals, enum, enum_strict, enum_desc, unit_str, citations, deprecation_notice, removed)
creates a keyword object
Definition input_keyword_types.F:155
input_section_types
objects that represent the structure of input sections and the data contained in an input section
Definition input_section_types.F:15
input_section_types::section_create
subroutine, public section_create(section, location, name, description, n_keywords, n_subsections, repeats, citations, deprecation_notice)
creates a list of keywords
Definition input_section_types.F:158
input_section_types::section_add_keyword
subroutine, public section_add_keyword(section, keyword)
adds a keyword to the given section
Definition input_section_types.F:511
input_section_types::section_add_subsection
subroutine, public section_add_subsection(section, subsection)
adds a subsection to the given section
Definition input_section_types.F:567
input_section_types::section_vals_get_subs_vals
recursive type(section_vals_type) function, pointer, public section_vals_get_subs_vals(section_vals, subsection_name, i_rep_section, can_return_null)
returns the values of the requested subsection
Definition input_section_types.F:731
input_section_types::section_release
recursive subroutine, public section_release(section)
releases the given keyword list (see doc/ReferenceCounting.html)
Definition input_section_types.F:238
input_section_types::section_vals_val_get
subroutine, public section_vals_val_get(section_vals, keyword_name, i_rep_section, i_rep_val, n_rep_val, val, l_val, i_val, r_val, c_val, l_vals, i_vals, r_vals, c_vals, explicit)
returns the requested value
Definition input_section_types.F:1047
input_val_types
a wrapper for basic fortran types.
Definition input_val_types.F:14
input_val_types::real_t
integer, parameter, public real_t
Definition input_val_types.F:41
kinds
Defines the basic variable types.
Definition kinds.F:23
kinds::dp
integer, parameter, public dp
Definition kinds.F:34
kinds::default_string_length
integer, parameter, public default_string_length
Definition kinds.F:57
message_passing
Interface to the message passing library MPI.
Definition message_passing.F:23
orbital_pointers
Provides Cartesian and spherical orbital pointers and indices.
Definition orbital_pointers.F:15
orbital_pointers::init_orbital_pointers
subroutine, public init_orbital_pointers(maxl)
Initialize or update the orbital pointers.
Definition orbital_pointers.F:253
qs_kind_types
Define the quickstep kind type and their sub types.
Definition qs_kind_types.F:23
qs_kind_types::get_qs_kind
subroutine, public get_qs_kind(qs_kind, basis_set, basis_type, ncgf, nsgf, all_potential, tnadd_potential, gth_potential, sgp_potential, upf_potential, se_parameter, dftb_parameter, xtb_parameter, dftb3_param, zatom, zeff, elec_conf, mao, lmax_dftb, alpha_core_charge, ccore_charge, core_charge, core_charge_radius, paw_proj_set, paw_atom, hard_radius, hard0_radius, max_rad_local, covalent_radius, vdw_radius, gpw_type_forced, harmonics, max_iso_not0, max_s_harm, grid_atom, ngrid_ang, ngrid_rad, lmax_rho0, dft_plus_u_atom, l_of_dft_plus_u, n_of_dft_plus_u, u_minus_j, u_of_dft_plus_u, j_of_dft_plus_u, alpha_of_dft_plus_u, beta_of_dft_plus_u, j0_of_dft_plus_u, occupation_of_dft_plus_u, dispersion, bs_occupation, magnetization, no_optimize, addel, laddel, naddel, orbitals, max_scf, eps_scf, smear, u_ramping, u_minus_j_target, eps_u_ramping, init_u_ramping_each_scf, reltmat, ghost, floating, name, element_symbol, pao_basis_size, pao_model_file, pao_potentials, pao_descriptors, nelec)
Get attributes of an atomic kind.
Definition qs_kind_types.F:454
string_utilities
Utilities for string manipulations.
Definition string_utilities.F:16
basis_set_types::gto_basis_set_type
Definition basis_set_types.F:72
cell_types::cell_type
Type defining parameters related to the simulation cell.
Definition cell_types.F:55
cp_eri_mme_interface::cp_eri_mme_param
Definition cp_eri_mme_interface.F:79
cp_log_handling::cp_logger_type
type of a logger, at the moment it contains just a print level starting at which level it should be l...
Definition cp_log_handling.F:140
eri_mme_types::eri_mme_param
Definition eri_mme_types.F:63
input_keyword_types::keyword_type
represent a keyword in the input
Definition input_keyword_types.F:88
input_section_types::section_type
represent a section of the input file
Definition input_section_types.F:102
input_section_types::section_vals_type
stores the values of a section
Definition input_section_types.F:127
message_passing::mp_para_env_type
stores all the informations relevant to an mpi environment
Definition message_passing.F:763
qs_kind_types::qs_kind_type
Provides all information about a quickstep kind.
Definition qs_kind_types.F:171