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scf_control_types.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 parameters that control an scf iteration
10!> \note
11!> not in cp_control_types, to separate operator related parameters from
12!> method related parameters (as suggested by Matthias)
13!> \par History
14!> 09.2002 created [fawzi]
15!> \author Fawzi Mohamed
16! **************************************************************************************************
17MODULE scf_control_types
18
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_unit_nr
23 USE cp_units, ONLY: cp_unit_from_cp2k
24 USE input_constants, ONLY: &
25 atomic_guess, diag_ot, direct_p_mix, general_roks, high_spin_roks, no_guess, no_mix, &
26 ot_algo_taylor_or_diag, outer_scf_basis_center_opt, outer_scf_cdft_constraint, &
27 outer_scf_ddapc_constraint, outer_scf_none, outer_scf_optimizer_bisect, &
28 outer_scf_optimizer_broyden, outer_scf_optimizer_diis, outer_scf_optimizer_newton, &
29 outer_scf_optimizer_newton_ls, outer_scf_optimizer_none, outer_scf_optimizer_sd, &
30 outer_scf_optimizer_secant, outer_scf_s2_constraint, smear_energy_window, &
31 smear_fermi_dirac, smear_list
32 USE input_cp2k_scf, ONLY: create_scf_section
33 USE input_enumeration_types, ONLY: enum_i2c,&
34 enumeration_type
35 USE input_keyword_types, ONLY: keyword_get,&
36 keyword_type
37 USE input_section_types, ONLY: section_get_keyword,&
38 section_release,&
39 section_type,&
40 section_vals_get,&
41 section_vals_get_subs_vals,&
42 section_vals_type,&
43 section_vals_val_get
44 USE kinds, ONLY: dp
45 USE outer_scf_control_types, ONLY: outer_scf_control_type,&
46 outer_scf_read_parameters
47 USE qs_cdft_opt_types, ONLY: cdft_opt_type_release
48 USE qs_ot_types, ONLY: ot_readwrite_input,&
49 qs_ot_settings_init,&
50 qs_ot_settings_type
51#include "./base/base_uses.f90"
52
53 IMPLICIT NONE
54
55 PRIVATE
56
57 CHARACTER(len=*), PARAMETER, PRIVATE :: moduleN = 'scf_control_types'
58 LOGICAL, PRIVATE, PARAMETER :: debug_this_module = .true.
59
60 ! Public data types
61
62 PUBLIC :: scf_control_type, &
63 smear_type
64
65 ! Public subroutines
66
67 PUBLIC :: scf_c_create, &
68 scf_c_read_parameters, &
69 scf_c_release, &
70 scf_c_write_parameters
71
72! **************************************************************************************************
73!> \brief contains the parameters needed by a scf run
74!> \param density_guess how to choose the initial density
75!> (CORE,RANDOM,RESTART,ATOMIC,FROZEN)
76!> \param eps_eigval wanted error on the eigenvalues
77!> \param eps_scf whanted error on the whole scf
78!> \param level_shift amount of level shift
79!> \param p_mix how to mix the new and old densities in non diss iterations
80!> \param eps_lumos error on the lumos calculated at the end of the scf
81!> \param max_iter_lumus maxumum number of iterations used to calculate
82!> the lumos at the end of the scf
83!> \param max_scf max scf iterations
84!> \param added_mos additional number of MOs that might be used in the SCF
85!> \param step_size the optimizer step size
86!> \param cdft_opt_control settings for optimizers that work only together with CDFT constraints
87!> \par History
88!> 09.2002 created [fawzi]
89!> \author Fawzi Mohamed
90! **************************************************************************************************
91 TYPE smear_type
92 LOGICAL :: do_smear = .false.
93 LOGICAL :: common_mu = .false.
94 INTEGER :: method = -1
95 REAL(kind=dp) :: electronic_temperature = -1.0_dp, &
96 fixed_mag_mom = -1.0_dp, &
97 eps_fermi_dirac = -1.0_dp, &
98 window_size = -1.0_dp
99 REAL(kind=dp), DIMENSION(:), POINTER :: list => null()
100 END TYPE smear_type
101
102 TYPE diagonalization_type
103 INTEGER :: method = -1
104 REAL(kind=dp) :: eps_jacobi = -1.0_dp
105 REAL(kind=dp) :: jacobi_threshold = -1.0_dp
106 INTEGER :: max_iter = -1, nkrylov = -1, nblock_krylov = -1
107 ! Maximum Overlap Method
108 LOGICAL :: mom = .false., mom_didguess = .false.
109 INTEGER :: mom_proj_formula = -1
110 ! indices of de-occupied and newly occupied alpha / beta molecular orbitals
111 INTEGER, DIMENSION(:), POINTER :: mom_deocca => null(), mom_deoccb => null(), &
112 mom_occa => null(), mom_occb => null()
113 ! determines on SCF which iteration MOM will be switched on;
114 ! since MOs from the previous iteration should be available, it might be at least
115 ! 1 when wave-function has been read from restart file, or
116 ! 2 when the atomic guess method has been used
117 INTEGER :: mom_start = -1
118 INTEGER :: mom_type = -1
119 REAL(kind=dp) :: eps_iter = -1.0_dp
120 REAL(kind=dp) :: eps_adapt = -1.0_dp
121 TYPE(qs_ot_settings_type) :: ot_settings = qs_ot_settings_type()
122 END TYPE diagonalization_type
123
124 TYPE scf_control_type
125 TYPE(outer_scf_control_type) :: outer_scf = outer_scf_control_type()
126 TYPE(smear_type), POINTER :: smear => null()
127 TYPE(diagonalization_type) :: diagonalization = diagonalization_type()
128 INTEGER :: density_guess = -1, mixing_method = -1
129 REAL(kind=dp) :: eps_eigval = -1.0_dp, eps_scf = -1.0_dp, eps_scf_hist = -1.0_dp, &
130 level_shift = -1.0_dp, &
131 eps_lumos = -1.0_dp, eps_diis = -1.0_dp
132 INTEGER :: max_iter_lumos = -1, max_diis = -1, nmixing = -1
133 INTEGER :: max_scf = -1, max_scf_hist = -1, &
134 maxl = -1, nkind = -1
135 LOGICAL :: do_diag_sub = .false., &
136 use_cholesky = .false., use_ot = .false., &
137 use_diag = .false., do_outer_scf_reortho = .false., &
138 ignore_convergence_failure = .false.
139 LOGICAL :: force_scf_calculation = .false.
140 LOGICAL :: non_selfconsistent = .false.
141 INTEGER, DIMENSION(2) :: added_mos = -1
142 INTEGER :: roks_scheme = -1
143 REAL(kind=dp) :: roks_f = -1.0_dp
144 REAL(kind=dp), DIMENSION(0:2, 0:2, 1:2) :: roks_parameter = -1.0_dp
145 END TYPE scf_control_type
146
147CONTAINS
148
149! **************************************************************************************************
150!> \brief allocates and initializes an scf control object with the default values
151!> \param scf_control the object to initialize
152!> \par History
153!> 09.2002 created [fawzi]
154!> - Default ROKS parameters added (05.04.06,MK)
155!> \author Fawzi Mohamed
156! **************************************************************************************************
157 SUBROUTINE scf_c_create(scf_control)
158
159 TYPE(scf_control_type), INTENT(INOUT) :: scf_control
160
161 CHARACTER(LEN=*), PARAMETER :: routinen = 'scf_c_create'
162
163 INTEGER :: handle
164
165 CALL timeset(routinen, handle)
166
167 ! Load the default values
168
169 IF (scf_control%non_selfconsistent) THEN
170 scf_control%density_guess = no_guess
171 ELSE
172 scf_control%density_guess = atomic_guess
173 END IF
174 scf_control%eps_eigval = 1.0e-5_dp
175 scf_control%eps_scf = 1.0e-5_dp
176 scf_control%eps_scf_hist = 0.0_dp
177 scf_control%eps_lumos = 1.0e-5_dp
178 scf_control%max_iter_lumos = 2999
179 scf_control%eps_diis = 0.1_dp
180 scf_control%level_shift = 0.0_dp
181 scf_control%max_diis = 4
182 scf_control%max_scf = 50
183 scf_control%nmixing = 2
184 scf_control%use_cholesky = .true.
185 scf_control%use_diag = .true.
186 scf_control%do_diag_sub = .false.
187 scf_control%use_ot = .false.
188 scf_control%ignore_convergence_failure = .false.
189 scf_control%force_scf_calculation = .false.
190 scf_control%do_outer_scf_reortho = .true.
191 scf_control%max_diis = 4
192 scf_control%eps_diis = 0.1_dp
193 scf_control%added_mos(:) = 0
194 scf_control%max_scf_hist = 0
195
196 !Mixing
197 IF (scf_control%non_selfconsistent) THEN
198 scf_control%mixing_method = no_mix
199 ELSE
200 scf_control%mixing_method = direct_p_mix
201 END IF
202
203 ! Diagonalization
204 scf_control%diagonalization%method = 0
205 scf_control%diagonalization%eps_jacobi = 0.0_dp
206 scf_control%diagonalization%jacobi_threshold = 1.0e-7_dp
207 scf_control%diagonalization%max_iter = 0
208 scf_control%diagonalization%eps_iter = 0.0_dp
209 scf_control%diagonalization%eps_adapt = 0.0_dp
210 scf_control%diagonalization%nkrylov = 0
211 scf_control%diagonalization%nblock_krylov = 0
212 CALL qs_ot_settings_init(scf_control%diagonalization%ot_settings)
213
214 scf_control%diagonalization%mom = .false.
215 scf_control%diagonalization%mom_didguess = .false.
216 scf_control%diagonalization%mom_proj_formula = 0
217 NULLIFY (scf_control%diagonalization%mom_deoccA)
218 NULLIFY (scf_control%diagonalization%mom_deoccB)
219 NULLIFY (scf_control%diagonalization%mom_occA)
220 NULLIFY (scf_control%diagonalization%mom_occB)
221 scf_control%diagonalization%mom_start = 0
222
223 ! ROKS
224
225 scf_control%roks_scheme = high_spin_roks
226 scf_control%roks_f = 0.5_dp
227
228 ! Initialize the diagonal blocks with the default ROKS parameters
229 ! 0 = v)irtual, 1 = o)pen shell, 2 = c)losed shell
230
231 scf_control%roks_parameter(0, 0, 1) = 1.5_dp ! avv
232 scf_control%roks_parameter(0, 0, 2) = -0.5_dp ! bvv
233 scf_control%roks_parameter(1, 1, 1) = 0.5_dp ! aoo
234 scf_control%roks_parameter(1, 1, 2) = 0.5_dp ! boo
235 scf_control%roks_parameter(2, 2, 1) = -0.5_dp ! acc
236 scf_control%roks_parameter(2, 2, 2) = 1.5_dp ! bcc
237
238 ! Initialize off-diagonal blocks (fixed)
239
240 scf_control%roks_parameter(0, 1, 1) = 1.0_dp ! avo
241 scf_control%roks_parameter(0, 1, 2) = 0.0_dp ! bvo
242 scf_control%roks_parameter(0, 2, 1) = 0.5_dp ! avc
243 scf_control%roks_parameter(0, 2, 2) = 0.5_dp ! bvc
244 scf_control%roks_parameter(1, 2, 1) = 0.0_dp ! aoc
245 scf_control%roks_parameter(1, 2, 2) = 1.0_dp ! boc
246
247 ! Symmetry enforces
248
249 scf_control%roks_parameter(1, 0, 1) = scf_control%roks_parameter(0, 1, 1) ! aov
250 scf_control%roks_parameter(1, 0, 2) = scf_control%roks_parameter(0, 1, 2) ! bov
251 scf_control%roks_parameter(2, 0, 1) = scf_control%roks_parameter(0, 2, 1) ! acv
252 scf_control%roks_parameter(2, 0, 2) = scf_control%roks_parameter(0, 2, 2) ! bcv
253 scf_control%roks_parameter(2, 1, 1) = scf_control%roks_parameter(1, 2, 1) ! aco
254 scf_control%roks_parameter(2, 1, 2) = scf_control%roks_parameter(1, 2, 2) ! bco
255
256 ! Outer SCF default settings
257
258 scf_control%outer_scf%have_scf = .false.
259 scf_control%outer_scf%max_scf = 0
260 scf_control%outer_scf%eps_scf = 0.0_dp
261 scf_control%outer_scf%step_size = 0.0_dp
262 scf_control%outer_scf%type = -1
263 scf_control%outer_scf%optimizer = -1
264 scf_control%outer_scf%diis_buffer_length = -1
265 NULLIFY (scf_control%outer_scf%cdft_opt_control)
266
267 ! Smearing of the MO occupations
268
269 NULLIFY (scf_control%smear)
270
271 CALL timestop(handle)
272
273 END SUBROUTINE scf_c_create
274
275! **************************************************************************************************
276!> \brief releases the given scf_control (see cp2k/doc/ReferenceCounting.html)
277!> \param scf_control the object to free
278!> \par History
279!> 09.2002 created [fawzi]
280!> \author Fawzi Mohamed
281!> \note
282!> at the moment does nothing
283! **************************************************************************************************
284 SUBROUTINE scf_c_release(scf_control)
285
286 TYPE(scf_control_type), INTENT(INOUT) :: scf_control
287
288 IF (ASSOCIATED(scf_control%smear%list)) THEN
289 DEALLOCATE (scf_control%smear%list)
290 END IF
291 DEALLOCATE (scf_control%smear)
292
293 IF (ASSOCIATED(scf_control%outer_scf%cdft_opt_control)) &
294 CALL cdft_opt_type_release(scf_control%outer_scf%cdft_opt_control)
295
296 ! Maximum overlap method orbital indices lists
297 ! mom_deoccA, mom_deoccB, mom_occA, mom_occB
298 ! points to memory allocated by input file parser,
299 ! so they do not have to be deallocated
300
301 END SUBROUTINE scf_c_release
302
303! **************************************************************************************************
304!> \brief reads the parameters of the scf section into the given scf_control
305!> \param scf_control the object that wil contain the values read
306!> \param inp_section ...
307!> \par History
308!> 05.2001 created [Matthias]
309!> 09.2002 creaded separated scf_control type [fawzi]
310!> \author Matthias Krack
311! **************************************************************************************************
312 SUBROUTINE scf_c_read_parameters(scf_control, inp_section)
313
314 TYPE(scf_control_type), INTENT(INOUT) :: scf_control
315 TYPE(section_vals_type), POINTER :: inp_section
316
317 CHARACTER(LEN=*), PARAMETER :: routinen = 'scf_c_read_parameters'
318
319 INTEGER :: cholesky_flag, handle, ialgo
320 INTEGER, DIMENSION(:), POINTER :: added_mos
321 LOGICAL :: do_mixing
322 REAL(kind=dp), DIMENSION(:), POINTER :: roks_parameter
323 TYPE(section_vals_type), POINTER :: mixing_section, outer_scf_section, &
324 scf_section, smear_section
325
326 CALL timeset(routinen, handle)
327
328 scf_section => section_vals_get_subs_vals(inp_section, "SCF")
329 CALL section_vals_val_get(scf_section, "DIAGONALIZATION%_SECTION_PARAMETERS_", &
330 l_val=scf_control%use_diag)
331 IF (scf_control%use_diag) THEN
332 CALL section_vals_val_get(scf_section, "DIAGONALIZATION%DIAG_SUB_SCF%_SECTION_PARAMETERS_", &
333 l_val=scf_control%do_diag_sub)
334 END IF
335 CALL section_vals_val_get(scf_section, "OT%_SECTION_PARAMETERS_", l_val=scf_control%use_ot)
336 IF (scf_control%use_diag .AND. scf_control%use_ot) THEN
337 ! don't allow both options to be true
338 cpabort("Don't activate OT and Diagonaliztion together")
339 ELSEIF (.NOT. (scf_control%use_diag .OR. scf_control%use_ot)) THEN
340 ! set default to diagonalization
341 scf_control%use_diag = .true.
342 END IF
343 CALL section_vals_val_get(scf_section, "OT%ALGORITHM", i_val=ialgo)
344 scf_control%do_outer_scf_reortho = ialgo .EQ. ot_algo_taylor_or_diag
345 CALL section_vals_val_get(scf_section, "SCF_GUESS", i_val=scf_control%density_guess)
346 CALL section_vals_val_get(scf_section, "EPS_DIIS", r_val=scf_control%eps_diis)
347 CALL section_vals_val_get(scf_section, "eps_eigval", r_val=scf_control%eps_eigval)
348 CALL section_vals_val_get(scf_section, "cholesky", i_val=cholesky_flag)
349 IF (cholesky_flag > 0) THEN
350 scf_control%use_cholesky = .true.
351 END IF
352 CALL section_vals_val_get(scf_section, "IGNORE_CONVERGENCE_FAILURE", l_val=scf_control%ignore_convergence_failure)
353 CALL section_vals_val_get(scf_section, "FORCE_SCF_CALCULATION", l_val=scf_control%force_scf_calculation)
354 CALL section_vals_val_get(scf_section, "eps_scf", r_val=scf_control%eps_scf)
355 CALL section_vals_val_get(scf_section, "level_shift", r_val=scf_control%level_shift)
356 CALL section_vals_val_get(scf_section, "max_diis", i_val=scf_control%max_diis)
357 CALL section_vals_val_get(scf_section, "max_scf", i_val=scf_control%max_scf)
358
359 ! Diagonaliztion section
360 IF (scf_control%use_diag) THEN
361 CALL section_vals_val_get(scf_section, "DIAGONALIZATION%ALGORITHM", &
362 i_val=scf_control%diagonalization%method)
363 CALL section_vals_val_get(scf_section, "DIAGONALIZATION%EPS_JACOBI", &
364 r_val=scf_control%diagonalization%eps_jacobi)
365 CALL section_vals_val_get(scf_section, "DIAGONALIZATION%JACOBI_THRESHOLD", &
366 r_val=scf_control%diagonalization%jacobi_threshold)
367 CALL section_vals_val_get(scf_section, "DIAGONALIZATION%MAX_ITER", &
368 i_val=scf_control%diagonalization%max_iter)
369 CALL section_vals_val_get(scf_section, "DIAGONALIZATION%EPS_ITER", &
370 r_val=scf_control%diagonalization%eps_iter)
371 CALL section_vals_val_get(scf_section, "DIAGONALIZATION%EPS_ADAPT", &
372 r_val=scf_control%diagonalization%eps_adapt)
373 CALL section_vals_val_get(scf_section, "DIAGONALIZATION%KRYLOV%NKRYLOV", &
374 i_val=scf_control%diagonalization%nkrylov)
375 CALL section_vals_val_get(scf_section, "DIAGONALIZATION%KRYLOV%NBLOCK", &
376 i_val=scf_control%diagonalization%nblock_krylov)
377 IF (scf_control%diagonalization%method == diag_ot) THEN
378 ! read OT section
379 CALL ot_diag_read_input(scf_control%diagonalization%ot_settings, scf_section)
380 END IF
381 ! read maximum overlap method's parameters
382 CALL section_vals_val_get(scf_section, "MOM%_SECTION_PARAMETERS_", &
383 l_val=scf_control%diagonalization%MOM)
384 IF (scf_control%diagonalization%mom) THEN
385 CALL section_vals_val_get(scf_section, "MOM%MOM_TYPE", &
386 i_val=scf_control%diagonalization%mom_type)
387
388 CALL section_vals_val_get(scf_section, "MOM%START_ITER", &
389 i_val=scf_control%diagonalization%mom_start)
390
391 CALL section_vals_val_get(scf_section, "MOM%DEOCC_ALPHA", &
392 i_vals=scf_control%diagonalization%mom_deoccA)
393
394 CALL section_vals_val_get(scf_section, "MOM%DEOCC_BETA", &
395 i_vals=scf_control%diagonalization%mom_deoccB)
396
397 CALL section_vals_val_get(scf_section, "MOM%OCC_ALPHA", &
398 i_vals=scf_control%diagonalization%mom_occA)
399
400 CALL section_vals_val_get(scf_section, "MOM%OCC_BETA", &
401 i_vals=scf_control%diagonalization%mom_occB)
402
403 CALL section_vals_val_get(scf_section, "MOM%PROJ_FORMULA", &
404 i_val=scf_control%diagonalization%mom_proj_formula)
405 END IF
406 END IF
407
408 ! Read ROKS parameters
409 CALL section_vals_val_get(scf_section, "ROKS_SCHEME", i_val=scf_control%roks_scheme)
410
411 SELECT CASE (scf_control%roks_scheme)
412 CASE (general_roks)
413 ! Read parameters for the general ROKS scheme
414 CALL section_vals_val_get(scf_section, "ROKS_F", r_val=scf_control%roks_f)
415 CASE (high_spin_roks)
416 ! Read high-spin ROKS parameters for the diagonal block
417 ! 0 = v)irtual, 1 = o)pen shell, 2 = c)losed shell
418 NULLIFY (roks_parameter)
419 CALL section_vals_val_get(scf_section, "ROKS_PARAMETERS", r_vals=roks_parameter)
420 IF (ASSOCIATED(roks_parameter)) THEN
421 scf_control%roks_parameter(2, 2, 1) = roks_parameter(1) ! acc
422 scf_control%roks_parameter(2, 2, 2) = roks_parameter(2) ! bcc
423 scf_control%roks_parameter(1, 1, 1) = roks_parameter(3) ! aoo
424 scf_control%roks_parameter(1, 1, 2) = roks_parameter(4) ! boo
425 scf_control%roks_parameter(0, 0, 1) = roks_parameter(5) ! avv
426 scf_control%roks_parameter(0, 0, 2) = roks_parameter(6) ! bvv
427 END IF
428 END SELECT
429
430 ! should be moved to printkey
431 CALL section_vals_val_get(scf_section, "eps_lumo", r_val=scf_control%eps_lumos)
432 CALL section_vals_val_get(scf_section, "max_iter_lumo", i_val=scf_control%max_iter_lumos)
433
434 ! Extra MOs, e.g. for smearing
435 CALL section_vals_val_get(scf_section, "added_mos", i_vals=added_mos)
436 cpassert(ASSOCIATED(added_mos))
437 IF (SIZE(added_mos) > 0) THEN
438 scf_control%added_mos(1) = added_mos(1)
439 IF (SIZE(added_mos) > 1) THEN
440 scf_control%added_mos(2) = added_mos(2)
441 END IF
442 END IF
443
444 CALL section_vals_val_get(scf_section, "max_scf_history", i_val=scf_control%max_scf_hist)
445 CALL section_vals_val_get(scf_section, "eps_scf_history", r_val=scf_control%eps_scf_hist)
446
447 IF (scf_control%level_shift /= 0.0_dp) scf_control%use_cholesky = .false.
448
449 ! Outer SCF subsection
450 outer_scf_section => section_vals_get_subs_vals(scf_section, "OUTER_SCF")
451 CALL outer_scf_read_parameters(scf_control%outer_scf, outer_scf_section)
452
453 smear_section => section_vals_get_subs_vals(scf_section, "SMEAR")
454 CALL init_smear(scf_control%smear)
455 CALL read_smear_section(scf_control%smear, smear_section)
456
457 do_mixing = .false.
458 mixing_section => section_vals_get_subs_vals(scf_section, "MIXING")
459 CALL section_vals_val_get(mixing_section, "_SECTION_PARAMETERS_", &
460 l_val=do_mixing)
461 IF (do_mixing) THEN
462 CALL section_vals_val_get(mixing_section, "METHOD", &
463 i_val=scf_control%mixing_method)
464 CALL section_vals_val_get(mixing_section, "NMIXING", i_val=scf_control%nmixing)
465 END IF ! do mixing
466
467 CALL timestop(handle)
468
469 END SUBROUTINE scf_c_read_parameters
470
471! **************************************************************************************************
472!> \brief ...
473!> \param smear ...
474! **************************************************************************************************
475 SUBROUTINE init_smear(smear)
476 TYPE(smear_type), POINTER :: smear
477
478 cpassert(.NOT. ASSOCIATED(smear))
479 ALLOCATE (smear)
480 smear%do_smear = .false.
481 smear%method = smear_energy_window
482 smear%electronic_temperature = 0.0_dp
483 smear%eps_fermi_dirac = 1.0e-5_dp
484 smear%fixed_mag_mom = -100.0_dp
485 smear%window_size = 0.0_dp
486 NULLIFY (smear%list)
487 END SUBROUTINE init_smear
488
489! **************************************************************************************************
490!> \brief ...
491!> \param smear ...
492!> \param smear_section ...
493! **************************************************************************************************
494 SUBROUTINE read_smear_section(smear, smear_section)
495 TYPE(smear_type), POINTER :: smear
496 TYPE(section_vals_type), POINTER :: smear_section
497
498 REAL(kind=dp), DIMENSION(:), POINTER :: r_vals
499
500 NULLIFY (r_vals)
501
502 CALL section_vals_val_get(smear_section, "_SECTION_PARAMETERS_", &
503 l_val=smear%do_smear)
504 IF (smear%do_smear) THEN
505 CALL section_vals_val_get(smear_section, "METHOD", &
506 i_val=smear%method)
507 CALL section_vals_val_get(smear_section, "ELECTRONIC_TEMPERATURE", &
508 r_val=smear%electronic_temperature)
509 CALL section_vals_val_get(smear_section, "EPS_FERMI_DIRAC", &
510 r_val=smear%eps_fermi_dirac)
511 CALL section_vals_val_get(smear_section, "WINDOW_SIZE", &
512 r_val=smear%window_size)
513 IF (smear%method == smear_list) THEN
514 CALL section_vals_val_get(smear_section, "LIST", &
515 r_vals=r_vals)
516 cpassert(ASSOCIATED(r_vals))
517 ALLOCATE (smear%list(SIZE(r_vals)))
518 smear%list = r_vals
519 END IF
520 CALL section_vals_val_get(smear_section, "FIXED_MAGNETIC_MOMENT", &
521 r_val=smear%fixed_mag_mom)
522 END IF ! do smear
523 END SUBROUTINE read_smear_section
524
525! **************************************************************************************************
526!> \brief writes out the scf parameters
527!> \param scf_control the object you want to print
528!> \param dft_section ...
529!> \par History
530!> 05.2001 created [Matthias]
531!> 09.2002 created separated scf_control type [fawzi]
532!> \author Matthias Krack
533! **************************************************************************************************
534 SUBROUTINE scf_c_write_parameters(scf_control, dft_section)
535
536 TYPE(scf_control_type), INTENT(IN) :: scf_control
537 TYPE(section_vals_type), POINTER :: dft_section
538
539 CHARACTER(LEN=*), PARAMETER :: routinen = 'scf_c_write_parameters'
540
541 INTEGER :: handle, output_unit, roks_scheme
542 LOGICAL :: roks
543 REAL(kind=dp) :: elec_temp
544 TYPE(cp_logger_type), POINTER :: logger
545 TYPE(enumeration_type), POINTER :: enum
546 TYPE(keyword_type), POINTER :: keyword
547 TYPE(section_type), POINTER :: section
548 TYPE(section_vals_type), POINTER :: scf_section
549
550 CALL timeset(routinen, handle)
551
552 NULLIFY (logger)
553 logger => cp_get_default_logger()
554
555 NULLIFY (scf_section)
556 NULLIFY (section)
557
558 scf_section => section_vals_get_subs_vals(dft_section, "SCF")
559 output_unit = cp_print_key_unit_nr(logger, scf_section, "PRINT%PROGRAM_RUN_INFO", &
560 extension=".scfLog")
561
562 IF (output_unit > 0) THEN
563
564 IF (scf_control%max_scf > 0) THEN
565
566 CALL create_scf_section(section)
567
568 keyword => section_get_keyword(section, "SCF_GUESS")
569 CALL keyword_get(keyword, enum=enum)
570
571 IF (.NOT. scf_control%non_selfconsistent .OR. scf_control%force_scf_calculation) THEN
572 WRITE (unit=output_unit, &
573 fmt="(/,/,T2,A,T25,A,T51,A30,/,T25,56('-'),3(/,T25,A,T76,I5),/, "// &
574 "T25,56('-'),4(/,T25,A,T72,ES9.2),/,T25,56('-'), "// &
575 "1(/,T25,A,T71,F10.6))") &
576 "SCF PARAMETERS", &
577 "Density guess: ", adjustr(trim(enum_i2c(enum, scf_control%density_guess))), &
578 "max_scf: ", scf_control%max_scf, &
579 "max_scf_history: ", scf_control%max_scf_hist, &
580 "max_diis: ", scf_control%max_diis, &
581 "eps_scf: ", scf_control%eps_scf, &
582 "eps_scf_history: ", scf_control%eps_scf_hist, &
583 "eps_diis: ", scf_control%eps_diis, &
584 "eps_eigval: ", scf_control%eps_eigval, &
585 "level_shift [a.u.]:", scf_control%level_shift
586 END IF
587
588 IF (sum(abs(scf_control%added_mos)) > 0) THEN
589 WRITE (unit=output_unit, fmt="(T25,A,T71,2I5)") &
590 "added MOs ", scf_control%added_mos
591 END IF
592
593 IF (scf_control%diagonalization%mom) THEN
594 ! TODO extend the output with further parameters
595 WRITE (unit=output_unit, fmt="(T25,A)") "MOM enabled"
596 END IF
597
598 IF (scf_control%mixing_method > 0 .AND. .NOT. scf_control%use_ot .AND. &
599 .NOT. scf_control%non_selfconsistent) THEN
600 keyword => section_get_keyword(section, "MIXING%METHOD")
601 CALL keyword_get(keyword, enum=enum)
602 WRITE (unit=output_unit, fmt="(T25,A,/,T25,A,T51,A30)") &
603 repeat("-", 56), &
604 "Mixing method: ", adjustr(trim(enum_i2c(enum, scf_control%mixing_method)))
605 IF (scf_control%mixing_method > 1) THEN
606 WRITE (unit=output_unit, fmt="(T47,A34)") "charge density mixing in g-space"
607 END IF
608 END IF
609 IF (scf_control%smear%do_smear) THEN
610 keyword => section_get_keyword(section, "SMEAR%METHOD")
611 CALL keyword_get(keyword, enum=enum)
612 WRITE (unit=output_unit, fmt="(T25,A,/,T25,A,T51,A30)") &
613 repeat("-", 56), &
614 "Smear method: ", adjustr(trim(enum_i2c(enum, scf_control%smear%method)))
615 SELECT CASE (scf_control%smear%method)
616 CASE (smear_fermi_dirac)
617 elec_temp = cp_unit_from_cp2k(scf_control%smear%electronic_temperature, &
618 "K")
619 WRITE (unit=output_unit, fmt="(T25,A,T61,F20.1)") &
620 "Electronic temperature [K]:", elec_temp
621 WRITE (unit=output_unit, fmt="(T25,A,T71,ES10.2)") &
622 "Electronic temperature [a.u.]:", scf_control%smear%electronic_temperature, &
623 "Accuracy threshold:", scf_control%smear%eps_fermi_dirac
624 IF (scf_control%smear%fixed_mag_mom > 0.0_dp) WRITE (unit=output_unit, fmt="(T25,A,F10.5)") &
625 "Spin channel alpha and spin channel beta are smeared independently, keeping"// &
626 " fixed difference in number of electrons equal to ", scf_control%smear%fixed_mag_mom
627 CASE (smear_energy_window)
628 WRITE (unit=output_unit, fmt="(T25,A,T71,F10.6)") &
629 "Smear window [a.u.]: ", scf_control%smear%window_size
630 END SELECT
631 END IF
632
633 CALL section_vals_val_get(dft_section, "ROKS", l_val=roks)
634 IF (roks .AND. (.NOT. scf_control%use_ot)) THEN
635 CALL section_vals_val_get(scf_section, "ROKS_SCHEME", &
636 i_val=roks_scheme)
637 keyword => section_get_keyword(section, "ROKS_SCHEME")
638 CALL keyword_get(keyword, enum=enum)
639 WRITE (unit=output_unit, fmt="(T25,A,/,T25,A,T51,A30)") &
640 repeat("-", 56), &
641 "ROKS scheme:", adjustr(trim(enum_i2c(enum, roks_scheme)))
642 SELECT CASE (roks_scheme)
643 CASE (general_roks)
644 WRITE (unit=output_unit, fmt="(T25,A,T71,F10.6)") &
645 "ROKS parameter f:", scf_control%roks_f
646 CASE (high_spin_roks)
647 WRITE (unit=output_unit, &
648 fmt="(T25,A,6(/,T25,A,T71,F10.6))") &
649 "ROKS parameters: a)lpha, b)eta; c)losed, o)pen, v)irtual", &
650 "acc", scf_control%roks_parameter(2, 2, 1), &
651 "bcc", scf_control%roks_parameter(2, 2, 2), &
652 "aoo", scf_control%roks_parameter(1, 1, 1), &
653 "boo", scf_control%roks_parameter(1, 1, 2), &
654 "avv", scf_control%roks_parameter(0, 0, 1), &
655 "bvv", scf_control%roks_parameter(0, 0, 2)
656 END SELECT
657 END IF
658 CALL section_release(section)
659
660 IF (scf_control%outer_scf%have_scf) THEN
661 WRITE (output_unit, "(T25,56('-'),/,T25,A)") "Outer loop SCF in use "
662 SELECT CASE (scf_control%outer_scf%type)
663 CASE (outer_scf_none)
664 WRITE (output_unit, '(T25,A)') "No variables optimised in outer loop"
665 CASE (outer_scf_ddapc_constraint)
666 WRITE (output_unit, '(T25,A)') "DDAPC constraint enforced"
667 CASE (outer_scf_s2_constraint)
668 WRITE (output_unit, '(T25,A)') "S2 constraint enforced"
669 CASE (outer_scf_basis_center_opt)
670 WRITE (output_unit, '(T25,A)') "Floating basis function optimization enforced"
671 CASE (outer_scf_cdft_constraint)
672 cpabort("CDFT constraints must be defined in QS&CDFT")
673 CASE DEFAULT
674 cpabort("")
675 END SELECT
676 WRITE (output_unit, '(T25,A,T72,ES9.2)') "eps_scf", scf_control%outer_scf%eps_scf
677 WRITE (output_unit, '(T25,A,T72,I9)') "max_scf", scf_control%outer_scf%max_scf
678 SELECT CASE (scf_control%outer_scf%optimizer)
679 CASE (outer_scf_optimizer_none)
680 WRITE (output_unit, '(T25,A)') "No outer loop optimization"
681 CASE (outer_scf_optimizer_sd)
682 WRITE (output_unit, '(T25,A)') "Steepest descent optimization"
683 CASE (outer_scf_optimizer_bisect)
684 WRITE (output_unit, '(T25,A)') "Gradient bisection"
685 WRITE (output_unit, '(T25,A,T72,I9)') "bisect_trust_count", scf_control%outer_scf%bisect_trust_count
686 CASE (outer_scf_optimizer_diis)
687 WRITE (output_unit, '(T25,A)') "DIIS optimization"
688 WRITE (output_unit, '(T25,A,T72,I9)') "DIIS buffer length", &
689 scf_control%outer_scf%diis_buffer_length
690 CASE (outer_scf_optimizer_broyden, outer_scf_optimizer_newton, &
691 outer_scf_optimizer_newton_ls)
692 cpabort("Selected optimizer only compatible with CDFT")
693 CASE (outer_scf_optimizer_secant)
694 WRITE (output_unit, '(T25,A)') "Optimization with the secant method"
695 CASE DEFAULT
696 cpabort("")
697 END SELECT
698 WRITE (output_unit, '(T25,A,T72,ES9.2)') "step_size", scf_control%outer_scf%step_size
699 ELSE
700 WRITE (output_unit, "(T25,56('-'),/,T25,A)") "No outer SCF"
701 END IF
702
703 END IF ! max_scf > 0
704
705 END IF ! output_unit > 0
706
707 CALL cp_print_key_finished_output(output_unit, logger, scf_section, &
708 "PRINT%PROGRAM_RUN_INFO")
709
710 CALL timestop(handle)
711
712 END SUBROUTINE scf_c_write_parameters
713
714! **************************************************************************************************
715
716! **************************************************************************************************
717!> \brief ...
718!> \param settings ...
719!> \param scf_section ...
720! **************************************************************************************************
721 SUBROUTINE ot_diag_read_input(settings, scf_section)
722 TYPE(qs_ot_settings_type) :: settings
723 TYPE(section_vals_type), POINTER :: scf_section
724
725 CHARACTER(len=*), PARAMETER :: routinen = 'ot_diag_read_input'
726
727 INTEGER :: handle, output_unit
728 LOGICAL :: explicit
729 TYPE(cp_logger_type), POINTER :: logger
730 TYPE(section_vals_type), POINTER :: ot_section
731
732 CALL timeset(routinen, handle)
733
734 logger => cp_get_default_logger()
735 output_unit = cp_print_key_unit_nr(logger, scf_section, "PRINT%PROGRAM_RUN_INFO", &
736 extension=".log")
737
738 ! decide default settings
739 CALL qs_ot_settings_init(settings)
740
741 ! use ot input new style
742 ot_section => section_vals_get_subs_vals(scf_section, "DIAGONALIZATION%OT")
743 CALL section_vals_get(ot_section, explicit=explicit)
744
745 CALL ot_readwrite_input(settings, ot_section, output_unit)
746
747 CALL cp_print_key_finished_output(output_unit, logger, scf_section, &
748 "PRINT%PROGRAM_RUN_INFO")
749
750 CALL timestop(handle)
751
752 END SUBROUTINE ot_diag_read_input
753
754! **************************************************************************************************
755
756END MODULE scf_control_types
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::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_units
unit conversion facility
Definition cp_units.F:30
cp_units::cp_unit_from_cp2k
real(kind=dp) function, public cp_unit_from_cp2k(value, unit_str, defaults, power)
converts from the internal cp2k units to the given unit
Definition cp_units.F:1179
input_constants
collects all constants needed in input so that they can be used without circular dependencies
Definition input_constants.F:17
input_constants::smear_fermi_dirac
integer, parameter, public smear_fermi_dirac
Definition input_constants.F:897
input_constants::outer_scf_optimizer_sd
integer, parameter, public outer_scf_optimizer_sd
Definition input_constants.F:733
input_constants::outer_scf_optimizer_bisect
integer, parameter, public outer_scf_optimizer_bisect
Definition input_constants.F:733
input_constants::outer_scf_optimizer_secant
integer, parameter, public outer_scf_optimizer_secant
Definition input_constants.F:733
input_constants::smear_energy_window
integer, parameter, public smear_energy_window
Definition input_constants.F:897
input_constants::outer_scf_cdft_constraint
integer, parameter, public outer_scf_cdft_constraint
Definition input_constants.F:724
input_constants::no_guess
integer, parameter, public no_guess
Definition input_constants.F:201
input_constants::outer_scf_optimizer_broyden
integer, parameter, public outer_scf_optimizer_broyden
Definition input_constants.F:733
input_constants::atomic_guess
integer, parameter, public atomic_guess
Definition input_constants.F:201
input_constants::outer_scf_basis_center_opt
integer, parameter, public outer_scf_basis_center_opt
Definition input_constants.F:724
input_constants::direct_p_mix
integer, parameter, public direct_p_mix
Definition input_constants.F:903
input_constants::outer_scf_s2_constraint
integer, parameter, public outer_scf_s2_constraint
Definition input_constants.F:724
input_constants::ot_algo_taylor_or_diag
integer, parameter, public ot_algo_taylor_or_diag
Definition input_constants.F:511
input_constants::smear_list
integer, parameter, public smear_list
Definition input_constants.F:897
input_constants::no_mix
integer, parameter, public no_mix
Definition input_constants.F:903
input_constants::high_spin_roks
integer, parameter, public high_spin_roks
Definition input_constants.F:783
input_constants::diag_ot
integer, parameter, public diag_ot
Definition input_constants.F:526
input_constants::outer_scf_ddapc_constraint
integer, parameter, public outer_scf_ddapc_constraint
Definition input_constants.F:724
input_constants::outer_scf_optimizer_newton_ls
integer, parameter, public outer_scf_optimizer_newton_ls
Definition input_constants.F:733
input_constants::outer_scf_optimizer_none
integer, parameter, public outer_scf_optimizer_none
Definition input_constants.F:733
input_constants::outer_scf_optimizer_newton
integer, parameter, public outer_scf_optimizer_newton
Definition input_constants.F:733
input_constants::general_roks
integer, parameter, public general_roks
Definition input_constants.F:783
input_constants::outer_scf_none
integer, parameter, public outer_scf_none
Definition input_constants.F:724
input_constants::outer_scf_optimizer_diis
integer, parameter, public outer_scf_optimizer_diis
Definition input_constants.F:733
input_cp2k_scf
function that build the scf section of the input
Definition input_cp2k_scf.F:15
input_cp2k_scf::create_scf_section
subroutine, public create_scf_section(section)
creates the structure of the section with the DFT SCF parameters
Definition input_cp2k_scf.F:85
input_enumeration_types
represents an enumeration, i.e. a mapping between integers and strings
Definition input_enumeration_types.F:14
input_enumeration_types::enum_i2c
character(len=default_string_length) function, public enum_i2c(enum, i)
maps an integer to a string
Definition input_enumeration_types.F:152
input_keyword_types
represents keywords in an input
Definition input_keyword_types.F:14
input_keyword_types::keyword_get
subroutine, public keyword_get(keyword, names, usage, description, type_of_var, n_var, default_value, lone_keyword_value, repeats, enum, citations)
...
Definition input_keyword_types.F:480
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_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_get_keyword
recursive type(keyword_type) function, pointer, public section_get_keyword(section, keyword_name)
returns the requested keyword
Definition input_section_types.F:478
input_section_types::section_vals_get
subroutine, public section_vals_get(section_vals, ref_count, n_repetition, n_subs_vals_rep, section, explicit)
returns various attributes about the section_vals
Definition input_section_types.F:704
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
kinds
Defines the basic variable types.
Definition kinds.F:23
kinds::dp
integer, parameter, public dp
Definition kinds.F:34
list
An array-based list which grows on demand. When the internal array is full, a new array of twice the ...
Definition list.F:24
outer_scf_control_types
parameters that control the outer loop of an SCF iteration
Definition outer_scf_control_types.F:14
outer_scf_control_types::outer_scf_read_parameters
subroutine, public outer_scf_read_parameters(outer_scf, outer_scf_section)
reads the parameters of the outer_scf section into the given outer_scf
Definition outer_scf_control_types.F:101
qs_cdft_opt_types
Control parameters for optimizers that work with CDFT constraints.
Definition qs_cdft_opt_types.F:14
qs_cdft_opt_types::cdft_opt_type_release
subroutine, public cdft_opt_type_release(cdft_opt_control)
releases the CDFT optimizer control object
Definition qs_cdft_opt_types.F:134
qs_ot_types
orbital transformations
Definition qs_ot_types.F:15
qs_ot_types::qs_ot_settings_init
subroutine, public qs_ot_settings_init(settings)
sets default values for the settings type
Definition qs_ot_types.F:214
qs_ot_types::ot_readwrite_input
subroutine, public ot_readwrite_input(settings, ot_section, output_unit)
...
Definition qs_ot_types.F:732
scf_control_types
parameters that control an scf iteration
Definition scf_control_types.F:17
scf_control_types::scf_c_read_parameters
subroutine, public scf_c_read_parameters(scf_control, inp_section)
reads the parameters of the scf section into the given scf_control
Definition scf_control_types.F:313
scf_control_types::scf_c_release
subroutine, public scf_c_release(scf_control)
releases the given scf_control (see cp2k/doc/ReferenceCounting.html)
Definition scf_control_types.F:285
scf_control_types::scf_c_write_parameters
subroutine, public scf_c_write_parameters(scf_control, dft_section)
writes out the scf parameters
Definition scf_control_types.F:535
scf_control_types::scf_c_create
subroutine, public scf_c_create(scf_control)
allocates and initializes an scf control object with the default values
Definition scf_control_types.F:158
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
input_enumeration_types::enumeration_type
Definition input_enumeration_types.F:43
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
outer_scf_control_types::outer_scf_control_type
contains the parameters needed by a scf run
Definition outer_scf_control_types.F:63
qs_ot_types::qs_ot_settings_type
notice, this variable needs to be copyable, needed for spins as e.g. in qs_ot_scf
Definition qs_ot_types.F:63
scf_control_types::scf_control_type
Definition scf_control_types.F:124
scf_control_types::smear_type
contains the parameters needed by a scf run
Definition scf_control_types.F:91