52 create_velocity_section
68#include "../base/base_uses.f90"
73 LOGICAL,
PRIVATE,
PARAMETER :: debug_this_module = .true.
74 CHARACTER(len=*),
PARAMETER,
PRIVATE :: moduleN =
'input_cp2k_motion'
90 cpassert(.NOT.
ASSOCIATED(section))
92 description=
"This section defines a set of tool connected with the motion of the nuclei.", &
93 n_keywords=1, n_subsections=1, repeats=.false.)
97 CALL create_geoopt_section(subsection, __location__, label=
"GEO_OPT", &
98 description=
"This section sets the environment of the geometry optimizer.", &
99 just_optimizers=.false., &
100 use_model_hessian=.true.)
104 CALL create_cell_opt_section(subsection)
108 CALL create_shellcore_opt_section(subsection)
116 CALL create_driver_section(subsection)
128 CALL create_fp_section(subsection)
132 CALL create_mc_section(subsection)
140 CALL create_pint_section(subsection)
159 SUBROUTINE create_mc_section(section)
165 cpassert(.NOT.
ASSOCIATED(section))
167 description=
"This section sets parameters to set up a MonteCarlo calculation.", &
168 n_keywords=10, n_subsections=2, repeats=.false.)
170 NULLIFY (keyword, subsection)
173 description=
"Specifies the number of MC cycles.", &
174 usage=
"NSTEP {integer}", &
180 description=
"Prints coordinate/cell/etc information every IPRINT steps.", &
181 usage=
"IPRINT {integer}", &
187 description=
"Specifies the number of classical moves between energy evaluations. ", &
188 usage=
"NMOVES {integer}", &
194 description=
"How many insertions to try per swap move.", &
195 usage=
"NSWAPMOVES {integer}", &
201 description=
"Dictates if we presample moves with a different potential.", &
202 usage=
"LBIAS {logical}", &
203 default_l_val=.false.)
208 description=
"Makes nstep in terms of steps, instead of cycles.", &
209 usage=
"LSTOP {logical}", &
210 default_l_val=.false.)
215 description=
"Changes the volume of the box in discrete steps, one side at a time.", &
216 usage=
"LDISCRETE {logical}", &
217 default_l_val=.false.)
222 description=
"The cluster cut off radius in angstroms.", &
223 usage=
"RCLUS {real}", &
224 default_r_val=1.0e0_dp)
229 description=
"Read initial configuration from restart file.", &
230 usage=
"RESTART {logical}", &
231 default_l_val=.false.)
236 keyword, __location__, name=
"NVIRIAL", &
237 description=
"Use this many random orientations to compute the second virial coefficient (ENSEMBLE=VIRIAL)", &
238 usage=
"NVIRIAL {integer}", &
244 description=
"Specify the type of simulation", &
245 usage=
"ENSEMBLE (TRADITIONAL|GEMC_NVT|GEMC_NPT|VIRIAL)", &
246 enum_c_vals=
s2a(
"TRADITIONAL",
"GEMC_NVT",
"GEMC_NPT",
"VIRIAL"), &
252 CALL keyword_create(keyword, __location__, name=
"RESTART_FILE_NAME", &
253 description=
"Name of the restart file for MC information.", &
254 usage=
"RESTART_FILE_NAME {filename}", &
259 CALL keyword_create(keyword, __location__, name=
"MOVES_FILE_NAME", &
260 description=
"The file to print the move statistics to.", &
261 usage=
"MOVES_FILE_NAME {filename}", &
266 CALL keyword_create(keyword, __location__, name=
"MOLECULES_FILE_NAME", &
267 description=
"The file to print the number of molecules to.", &
268 usage=
"MOLECULES_FILE_NAME {filename}", &
273 CALL keyword_create(keyword, __location__, name=
"COORDINATE_FILE_NAME", &
274 description=
"The file to print the current coordinates to.", &
275 usage=
"COORDINATE_FILE_NAME {filename}", &
280 CALL keyword_create(keyword, __location__, name=
"ENERGY_FILE_NAME", &
281 description=
"The file to print current energies to.", &
282 usage=
"ENERGY_FILE_NAME {filename}", &
287 CALL keyword_create(keyword, __location__, name=
"DATA_FILE_NAME", &
288 description=
"The file to print current configurational info to.", &
289 usage=
"DATA_FILE_NAME {filename}", &
294 CALL keyword_create(keyword, __location__, name=
"CELL_FILE_NAME", &
295 description=
"The file to print current cell length info to.", &
296 usage=
"CELL_FILE_NAME {filename}", &
301 CALL keyword_create(keyword, __location__, name=
"MAX_DISP_FILE_NAME", &
302 description=
"The file to print current maximum displacement info to.", &
303 usage=
"MAX_DISP_FILE_NAME {filename}", &
308 CALL keyword_create(keyword, __location__, name=
"BOX2_FILE_NAME", &
309 description=
"For GEMC, the name of the input file for the other box.", &
310 usage=
"BOX2_FILE_NAME {filename}", &
316 description=
"The pressure for NpT simulations, in bar.", &
317 usage=
"PRESSURE {real}", &
323 description=
"The temperature of the simulation, in Kelvin.", &
324 usage=
"TEMPERATURE {real}", &
330 keyword, __location__, name=
"VIRIAL_TEMPS", &
331 description=
"The temperatures you wish to compute the virial coefficient for. Only used if ensemble=VIRIAL.", &
332 usage=
"VIRIAL_TEMPS {real} {real} ... ", &
333 n_var=-1, type_of_var=
real_t)
337 CALL keyword_create(keyword, __location__, name=
"DISCRETE_STEP", &
338 description=
"The size of the discrete volume move step, in angstroms.", &
339 usage=
"DISCRETE_STEP {real}", &
340 default_r_val=1.0e0_dp)
345 description=
"The free energy bias (in Kelvin) for swapping a molecule of each type into this box.", &
346 usage=
"ETA {real} {real} ... ", &
347 n_var=-1, type_of_var=
real_t)
352 description=
"Number of random numbers from the acceptance/rejection stream to skip", &
353 usage=
"RANDOMTOSKIP {integer}", &
358 CALL create_avbmc_section(subsection)
362 CALL create_move_prob_section(subsection)
366 CALL create_update_section(subsection)
370 CALL create_max_disp_section(subsection)
374 END SUBROUTINE create_mc_section
381 SUBROUTINE create_avbmc_section(section)
386 cpassert(.NOT.
ASSOCIATED(section))
389 description=
"Parameters for Aggregation Volume Bias Monte Carlo (AVBMC) "// &
390 "which explores cluster formation and destruction. "// &
391 "Chen and Siepmann, J. Phys. Chem. B 105, 11275-11282 (2001).", &
392 n_keywords=5, n_subsections=0, repeats=.false.)
397 keyword, __location__, name=
"PBIAS", &
398 description=
"The probability of swapping to an inner region in an AVBMC swap move for each molecule type.", &
399 usage=
"PBIAS {real} {real} ... ", &
400 n_var=-1, type_of_var=
real_t)
405 description=
"The target atom for an AVBMC swap move for each molecule type.", &
406 usage=
"AVBMC_ATOM {integer} {integer} ... ", &
412 description=
"The inner radius for an AVBMC swap move, in angstroms for every molecule type.", &
413 usage=
"AVBMC_RMIN {real} {real} ... ", &
414 n_var=-1, type_of_var=
real_t)
419 description=
"The outer radius for an AVBMC swap move, in angstroms, for every molecule type.", &
420 usage=
"AVBMC_RMAX {real} {real} ... ", &
421 n_var=-1, type_of_var=
real_t)
425 END SUBROUTINE create_avbmc_section
433 SUBROUTINE create_move_prob_section(section)
439 cpassert(.NOT.
ASSOCIATED(section))
441 CALL section_create(section, __location__, name=
"move_probabilities", &
442 description=
"Parameters for fraction of moves performed for each move type.", &
443 n_keywords=5, n_subsections=2, repeats=.false.)
445 NULLIFY (keyword, subsection)
448 description=
"The probability of attempting a hybrid MC move.", &
449 usage=
"PMHMC {real}", &
450 type_of_var=
real_t, default_r_val=0.0e0_dp)
455 description=
"The probability of attempting a molecule translation.", &
456 usage=
"PMTRANS {real}", &
462 description=
"The probability of attempting a cluster translation.", &
463 usage=
"PMCLTRANS {real}", &
464 type_of_var=
real_t, default_r_val=0.0e0_dp)
469 description=
"The probability of attempting an AVBMC swap move.", &
470 usage=
"PMAVBMC {real}", &
471 default_r_val=0.0e0_dp)
476 description=
"The probability of attempting a conformational change.", &
477 usage=
"PMTRAION {real}", &
483 description=
"The probability of attempting a swap move.", &
484 usage=
"PMSWAP {real}", &
485 type_of_var=
real_t, default_r_val=0.0e0_dp)
490 description=
"The probability of attempting a volume move.", &
491 usage=
"PMVOLUME {real}", &
492 type_of_var=
real_t, default_r_val=0.0e0_dp)
496 CALL create_mol_prob_section(subsection)
500 CALL create_box_prob_section(subsection)
504 END SUBROUTINE create_move_prob_section
512 SUBROUTINE create_mol_prob_section(section)
517 cpassert(.NOT.
ASSOCIATED(section))
519 CALL section_create(section, __location__, name=
"mol_probabilities", &
520 description=
"Probabilities of attempting various moves types on "// &
521 "the various molecular types present in the simulation.", &
522 n_keywords=5, n_subsections=0, repeats=.false.)
527 description=
"The probability of attempting an AVBMC swap move on each molecule type.", &
528 usage=
"PMAVBMC_MOL {real} {real} ... ", &
529 n_var=-1, type_of_var=
real_t)
534 description=
"The probability of attempting a molecule swap of a given molecule type.", &
535 usage=
"PMSWAP_MOL {real} {real} ... ", &
536 n_var=-1, type_of_var=
real_t)
541 description=
"The probability of attempting a molecule rotation of a given molecule type.", &
542 usage=
"PMROT_MOL {real} {real} ... ", &
543 n_var=-1, type_of_var=
real_t)
548 description=
"The probability of attempting a conformational change of a given molecule type.", &
549 usage=
"PMTRAION_MOL {real} {real} ... ", &
550 n_var=-1, type_of_var=
real_t)
555 description=
"The probability of attempting a molecule translation of a given molecule type.", &
556 usage=
"PMTRANS_MOL {real} {real} ... ", &
557 n_var=-1, type_of_var=
real_t)
561 END SUBROUTINE create_mol_prob_section
569 SUBROUTINE create_box_prob_section(section)
574 cpassert(.NOT.
ASSOCIATED(section))
576 CALL section_create(section, __location__, name=
"BOX_PROBABILITIES", &
577 description=
"Probabilities of attempting various moves types on "// &
579 n_keywords=2, n_subsections=0, repeats=.false.)
584 description=
"The probability of attempting a HMC move on this box.", &
585 usage=
"PMHMC_BOX {real}", &
586 type_of_var=
real_t, default_r_val=1.0e0_dp)
591 description=
"The probability of attempting a volume move on this box (GEMC_NpT).", &
592 usage=
"PMVOL_BOX {real}", &
593 type_of_var=
real_t, default_r_val=1.0e0_dp)
598 description=
"The probability of attempting a cluster move in this box", &
599 usage=
"PMCLUS_BOX {real}", &
600 type_of_var=
real_t, default_r_val=1.0e0_dp)
604 END SUBROUTINE create_box_prob_section
612 SUBROUTINE create_update_section(section)
617 cpassert(.NOT.
ASSOCIATED(section))
620 description=
"Frequency for updating move maximum displacements.", &
621 n_keywords=2, n_subsections=0, repeats=.false.)
626 description=
"Every iupvolume steps update maximum volume displacement.", &
627 usage=
"IUPVOLUME {integer}", &
633 description=
"Every iuptrans steps update maximum "// &
634 "translation/rotation/configurational changes.", &
635 usage=
"IUPTRANS {integer}", &
641 description=
"Every iupcltrans steps update maximum cluster translation.", &
642 usage=
"IUPCLTRANS {integer}", &
647 END SUBROUTINE create_update_section
654 SUBROUTINE create_max_disp_section(section)
659 cpassert(.NOT.
ASSOCIATED(section))
661 CALL section_create(section, __location__, name=
"max_displacements", &
662 description=
"The maximum displacements for all attempted moves.", &
663 n_keywords=1, n_subsections=2, repeats=.false.)
667 CALL create_mol_disp_section(subsection)
671 CALL create_box_disp_section(subsection)
675 END SUBROUTINE create_max_disp_section
683 SUBROUTINE create_mol_disp_section(section)
688 cpassert(.NOT.
ASSOCIATED(section))
690 CALL section_create(section, __location__, name=
"mol_displacements", &
691 description=
"Maximum displacements for every move type that requires "// &
692 "a value for each molecular type in the simulation.", &
693 n_keywords=5, n_subsections=0, repeats=.false.)
698 description=
"Maximum bond length displacement, in angstroms, for each molecule type.", &
699 usage=
"RMBOND {real} {real} ... ", &
700 n_var=-1, type_of_var=
real_t)
705 description=
"Maximum bond angle displacement, in degrees, for each molecule type.", &
706 usage=
"RMANGLE {real} {real} ...", &
707 n_var=-1, type_of_var=
real_t)
712 description=
"Maximum dihedral angle distplacement, in degrees, for each molecule type.", &
713 usage=
"RMDIHEDRAL {real} {real} ... ", &
714 n_var=-1, type_of_var=
real_t)
719 description=
"Maximum rotational displacement, in degrees, for each molecule type.", &
720 usage=
"RMROT {real} {real} ... ", &
721 n_var=-1, type_of_var=
real_t)
726 description=
"Maximum translational displacement, in angstroms, for each molecule type.", &
727 usage=
"RMTRANS {real} {real} ...", &
728 n_var=-1, type_of_var=
real_t)
732 END SUBROUTINE create_mol_disp_section
740 SUBROUTINE create_box_disp_section(section)
745 cpassert(.NOT.
ASSOCIATED(section))
747 CALL section_create(section, __location__, name=
"BOX_DISPLACEMENTS", &
748 description=
"Maximum displacements for any move that is performed on each"// &
749 " simulation box.", &
750 n_keywords=1, n_subsections=0, repeats=.false.)
755 description=
"Maximum volume displacement, in angstrom**3.", &
756 usage=
"RMVOLUME {real}", &
762 description=
"Maximum translational displacement, in angstroms, for each cluster.", &
763 usage=
"RMCLTRANS {real}", &
764 default_r_val=1.0e0_dp)
768 END SUBROUTINE create_box_disp_section
782 RECURSIVE SUBROUTINE create_geoopt_section(section, location, label, description, just_optimizers, use_model_hessian)
784 CHARACTER(LEN=*),
INTENT(IN) :: location, label, description
785 LOGICAL,
INTENT(IN) :: just_optimizers, use_model_hessian
790 cpassert(.NOT.
ASSOCIATED(section))
791 CALL section_create(section, location=location, name=label, description=description, &
792 n_keywords=1, n_subsections=1, repeats=.false.)
795 IF (.NOT. just_optimizers)
THEN
797 description=
"Specify which kind of geometry optimization to perform", &
798 usage=
"TYPE (MINIMIZATION|TRANSITION_STATE)", &
799 enum_c_vals=
s2a(
"MINIMIZATION",
"TRANSITION_STATE"), &
800 enum_desc=
s2a(
"Performs a geometry minimization.", &
801 "Performs a transition state optimization."), &
809 keyword, __location__, name=
"OPTIMIZER", &
810 variants=(/
"MINIMIZER"/), &
812 description=
"Specify which method to use to perform a geometry optimization.", &
813 usage=
"OPTIMIZER {BFGS|LBFGS|CG}", &
814 enum_c_vals=
s2a(
"BFGS",
"LBFGS",
"CG"), &
815 enum_desc=
s2a(
"Most efficient minimizer, but only for 'small' systems, "// &
816 "as it relies on diagonalization of a full Hessian matrix", &
817 "Limited-memory variant of BFGS suitable for large systems. "// &
818 "Not as well fine-tuned but can be more robust.", &
819 "conjugate gradients, robust minimizer (depending on the line search) also OK for large systems"), &
826 description=
"Specifies the maximum number of geometry optimization steps. "// &
827 "One step might imply several force evaluations for the CG and LBFGS optimizers.", &
828 usage=
"MAX_ITER {integer}", &
834 description=
"Convergence criterion for the maximum geometry change "// &
835 "between the current and the last optimizer iteration.", &
836 usage=
"MAX_DR {real}", &
837 default_r_val=0.0030_dp, unit_str=
"bohr")
842 description=
"Convergence criterion for the maximum force component of the current configuration.", &
843 usage=
"MAX_FORCE {real}", &
844 default_r_val=0.00045_dp, unit_str=
"hartree/bohr")
849 description=
"Convergence criterion for the root mean square (RMS) geometry"// &
850 " change between the current and the last optimizer iteration.", &
851 usage=
"RMS_DR {real}", unit_str=
"bohr", &
852 default_r_val=0.0015_dp)
857 description=
"Convergence criterion for the root mean square (RMS) force of the current configuration.", &
858 usage=
"RMS_FORCE {real}", unit_str=
"hartree/bohr", &
859 default_r_val=0.00030_dp)
863 CALL keyword_create(keyword, __location__, name=
"step_start_val", &
864 description=
"The starting step value for the "//trim(label)//
" module.", &
865 usage=
"step_start_val <integer>", default_i_val=0)
871 keyword, __location__, name=
"KEEP_SPACE_GROUP", &
872 description=
"Detect space group of the system and preserve it during optimization. "// &
873 "The space group symmetry is applied to coordinates, forces, and the stress tensor. "// &
874 "It works for supercell. It does not affect/reduce computational cost. "// &
875 "Use EPS_SYMMETRY to adjust the detection threshold.", &
876 usage=
"KEEP_SPACE_GROUP .TRUE.", &
877 default_l_val=.false., lone_keyword_l_val=.true., repeats=.false.)
883 keyword, __location__, name=
"EPS_SYMMETRY", &
884 description=
"Accuracy for space group determination. EPS_SYMMETRY is dimensionless. "// &
885 "Roughly speaking, two scaled (fractional) atomic positions v1, v2 are considered identical if |v1 - v2| < EPS_SYMMETRY. ", &
886 usage=
"EPS_SYMMETRY {REAL}", &
887 default_r_val=1.e-4_dp, repeats=.false.)
893 keyword, __location__, name=
"SYMM_REDUCTION", &
894 description=
"Direction of the external static electric field. "// &
895 "Some symmetry operations are not compatible with the direction of an electric field. "// &
896 "These operations are used when enforcing the space group.", &
897 usage=
"SYMM_REDUCTION 0.0 0.0 0.0", &
898 repeats=.false., n_var=3, &
899 type_of_var=
real_t, default_r_vals=(/0.0_dp, 0.0_dp, 0.0_dp/))
905 keyword, __location__, name=
"SYMM_EXCLUDE_RANGE", &
906 description=
"Range of atoms to exclude from space group symmetry. "// &
907 "These atoms are excluded from both identification and enforcement. "// &
908 "This keyword can be repeated.", &
909 repeats=.true., usage=
"SYMM_EXCLUDE_RANGE {Int} {Int}", type_of_var=
integer_t, n_var=2)
914 keyword, __location__, name=
"SPGR_PRINT_ATOMS", &
915 description=
"Print equivalent atoms list for each space group symmetry operation.", &
916 default_l_val=.false., lone_keyword_l_val=.true.)
920 CALL create_lbfgs_section(subsection)
924 CALL create_cg_section(subsection)
928 CALL create_bfgs_section(subsection, use_model_hessian)
932 IF (.NOT. just_optimizers)
THEN
934 CALL create_ts_section(subsection)
941 description=
"Controls the printing properties during a geometry optimization run", &
942 n_keywords=0, n_subsections=1, repeats=.true.)
945 print_key, __location__,
"program_run_info", &
946 description=
"Controls the printing of basic information during the Geometry Optimization", &
954 END SUBROUTINE create_geoopt_section
961 SUBROUTINE create_shellcore_opt_section(section)
966 CALL create_geoopt_section( &
967 section, __location__, label=
"SHELL_OPT", &
968 description=
"This section sets the environment for the optimization of the shell-core distances"// &
969 " that might turn to be necessary along a MD run using a shell-model potential."// &
970 " The optimization procedure is activated when at least one of the shell-core"// &
971 " pairs becomes too elongated, i.e. when the assumption of point dipole is not longer valid.", &
972 just_optimizers=.true., &
973 use_model_hessian=.false.)
975 NULLIFY (print_key, subsection)
980 description=
"Controls the printing properties during a shell-core optimization procedure", &
981 n_keywords=0, n_subsections=1, repeats=.true.)
984 description=
"Controls the printing of basic information during the Optimization", &
991 END SUBROUTINE create_shellcore_opt_section
998 SUBROUTINE create_cell_opt_section(section)
1004 CALL create_geoopt_section(section, __location__, label=
"CELL_OPT", &
1005 description=
"This section sets the environment for the optimization of the simulation cell."// &
1006 " Two possible schemes are available: (1) Zero temperature optimization;"// &
1007 " (2) Finite temperature optimization.", &
1008 just_optimizers=.true., &
1009 use_model_hessian=.false.)
1011 NULLIFY (keyword, print_key, subsection)
1013 keyword, __location__, name=
"TYPE", &
1014 description=
"Specify which kind of method to use for the optimization of the simulation cell", &
1015 usage=
"TYPE (GEO_OPT|MD|DIRECT_CELL_OPT)", &
1016 enum_c_vals=
s2a(
"GEO_OPT",
"MD",
"DIRECT_CELL_OPT"), &
1018 "Performs a geometry optimization (the GEO_OPT section must be defined) between cell optimization steps."// &
1019 " The stress tensor is computed at the optimized geometry.", &
1020 "Performs a molecular dynamics run (the MD section needs must defined) for computing the stress tensor"// &
1021 " used for the cell optimization.", &
1022 "Performs a geometry and cell optimization at the same time."// &
1023 " The stress tensor is computed at every step"), &
1030 keyword, __location__, name=
"EXTERNAL_PRESSURE", &
1031 description=
"Specifies the external pressure (1 value or the full 9 components of the pressure tensor) "// &
1032 "applied during the cell optimization.", &
1033 usage=
"EXTERNAL_PRESSURE {REAL} .. {REAL}", unit_str=
"bar", &
1041 keyword, __location__, name=
"KEEP_ANGLES", &
1042 description=
"Keep angles between the cell vectors constant, but allow the lengths of the"// &
1043 " cell vectors to change independently."// &
1044 " Albeit general, this is most useful for triclinic cells, to enforce higher symmetry, see KEEP_SYMMETRY.", &
1045 usage=
"KEEP_ANGLES TRUE", default_l_val=.false., lone_keyword_l_val=.true.)
1049 CALL keyword_create(keyword, __location__, name=
"KEEP_SYMMETRY", &
1050 description=
"Keep the requested initial cell symmetry (e.g. during a cell optimisation). "// &
1051 "The initial symmetry must be specified in the &CELL section.", &
1052 usage=
"KEEP_SYMMETRY yes", default_l_val=.false., lone_keyword_l_val=.true.)
1057 keyword, __location__, name=
"CONSTRAINT", &
1058 description=
"Imposes a constraint on the pressure tensor by fixing the specified cell components.", &
1059 usage=
"CONSTRAINT (none|x|y|z|xy|xz|yz)", &
1060 enum_desc=
s2a(
"Fix nothing", &
1061 "Fix only x component", &
1062 "Fix only y component", &
1063 "Fix only z component", &
1064 "Fix x and y component", &
1065 "Fix x and z component", &
1066 "Fix y and z component"), &
1067 enum_c_vals=
s2a(
"NONE",
"X",
"Y",
"Z",
"XY",
"XZ",
"YZ"), &
1073 CALL keyword_create(keyword, __location__, name=
"PRESSURE_TOLERANCE", &
1074 description=
"Specifies the Pressure tolerance (compared to the external pressure) to achieve "// &
1075 "during the cell optimization.", &
1076 usage=
"PRESSURE_TOLERANCE {REAL}", unit_str=
"bar", &
1082 NULLIFY (subsection)
1084 description=
"Controls the printing properties during a geometry optimization run", &
1085 n_keywords=0, n_subsections=1, repeats=.true.)
1088 description=
"Controls the printing of basic information during the Geometry Optimization", &
1093 description=
"Controls the printing of the cell eveytime a calculation using a new cell is started.", &
1095 unit_str=
"angstrom")
1101 END SUBROUTINE create_cell_opt_section
1108 SUBROUTINE create_ts_section(section)
1112 TYPE(
section_type),
POINTER :: print_key, subsection, subsection2, &
1117 NULLIFY (section, keyword, subsection, subsection2)
1118 CALL section_create(section, __location__, name=
"TRANSITION_STATE", &
1119 description=
"Specifies parameters to perform a transition state search", &
1120 n_keywords=0, n_subsections=1, repeats=.false.)
1123 description=
"Specify which kind of method to use for locating transition states", &
1125 usage=
"METHOD (DIMER)", &
1126 enum_c_vals=
s2a(
"DIMER"), &
1127 enum_desc=
s2a(
"Uses the dimer method to optimize transition states."), &
1134 description=
"Specifies parameters for Dimer Method", &
1135 n_keywords=0, n_subsections=1, repeats=.false.)
1138 description=
"This keyword sets the value for the DR parameter.", &
1139 usage=
"DR {real}", unit_str=
'angstrom', &
1144 CALL keyword_create(keyword, __location__, name=
"INTERPOLATE_GRADIENT", &
1145 description=
"This keyword controls the interpolation of the gradient whenever possible"// &
1146 " during the optimization of the Dimer. The use of this keywords saves 1 evaluation"// &
1147 " of energy/forces.", usage=
"INTERPOLATE_GRADIENT {logical}", default_l_val=.true., &
1148 lone_keyword_l_val=.true.)
1152 CALL keyword_create(keyword, __location__, name=
"ANGLE_TOLERANCE", &
1153 description=
"This keyword sets the value of the tolerance angle for the line search"// &
1154 " performed to optimize the orientation of the dimer.", &
1155 usage=
"ANGLE_TOLERANCE {real}", unit_str=
'rad', &
1161 description=
"This keyword activates the constrained k-dimer translation"// &
1162 " J. Chem. Phys. 141, 164111 (2014).", &
1164 usage=
"K-DIMER {logica}", &
1165 default_l_val=.false., &
1166 lone_keyword_l_val=.false.)
1171 description=
"Exponential factor for the switching function used in K-DIMER", &
1172 usage=
"BETA {real}", &
1173 default_r_val=5.0_dp, &
1174 lone_keyword_r_val=5.0_dp)
1178 CALL create_geoopt_section( &
1179 subsection2, __location__, label=
"ROT_OPT", &
1180 description=
"This section sets the environment for the optimization of the rotation of the Dimer.", &
1181 just_optimizers=.true., &
1182 use_model_hessian=.false.)
1183 NULLIFY (subsection3)
1185 description=
"Controls the printing properties during the dimer rotation optimization run", &
1186 n_keywords=0, n_subsections=1, repeats=.true.)
1190 description=
"Controls the printing of basic information during the Geometry Optimization", &
1196 description=
"Controls the printing basic info during the cleaning of the "// &
1200 description=
"Prints atomic coordinates after rotation", &
1201 default_l_val=.false., lone_keyword_l_val=.true.)
1212 CALL section_create(subsection2, __location__, name=
"DIMER_VECTOR", &
1213 description=
"Specifies the initial dimer vector (used frequently to restart DIMER calculations)."// &
1214 " If not provided the starting orientation of the dimer is chosen randomly.", &
1215 n_keywords=0, n_subsections=1, repeats=.false.)
1216 CALL keyword_create(keyword, __location__, name=
"_DEFAULT_KEYWORD_", &
1217 description=
"Specify on each line the components of the dimer vector.", repeats=.true., &
1218 usage=
"{Real} {Real} {Real}", type_of_var=
real_t, n_var=-1)
1227 END SUBROUTINE create_ts_section
1235 SUBROUTINE create_bfgs_section(section, use_model_hessian)
1237 LOGICAL,
INTENT(IN) :: use_model_hessian
1244 NULLIFY (section, keyword, print_key)
1246 description=
"Provides parameters to tune the BFGS optimization", &
1247 n_keywords=0, n_subsections=1, repeats=.false.)
1249 CALL keyword_create(keyword, __location__, name=
"TRUST_RADIUS", &
1250 description=
"Trust radius used in BFGS. Previously set to 0.1. "// &
1251 "Large values can lead to instabilities", &
1252 usage=
"TRUST_RADIUS {real}", unit_str=
'angstrom', &
1257 CALL keyword_create(keyword, __location__, name=
"USE_MODEL_HESSIAN", &
1258 description=
"Uses a model Hessian as initial guess instead of a unit matrix."// &
1259 " Should lead in general to improved convergence might be switched off for exotic cases", &
1260 usage=
"USE_MODEL_HESSIAN", &
1261 default_l_val=use_model_hessian, lone_keyword_l_val=.true.)
1265 CALL keyword_create(keyword, __location__, name=
"USE_RAT_FUN_OPT", &
1266 description=
"Includes a rational function optimization to determine the step."// &
1267 " Previously default but did not improve convergence in many cases", &
1268 usage=
"USE_RAT_FUN_OPT", &
1269 default_l_val=.false., lone_keyword_l_val=.true.)
1273 CALL keyword_create(keyword, __location__, name=
"RESTART_HESSIAN", &
1274 description=
"Controls the reading of the initial Hessian from file.", &
1275 usage=
"RESTART_HESSIAN", &
1276 default_l_val=.false., lone_keyword_l_val=.true.)
1280 CALL keyword_create(keyword, __location__, name=
"RESTART_FILE_NAME", &
1281 description=
"Specifies the name of the file used to read the initial Hessian.", &
1282 usage=
"RESTART_FILE_NAME {filename}", &
1288 description=
"Controls the printing of Hessian Restart file", &
1290 common_iter_levels=2)
1294 END SUBROUTINE create_bfgs_section
1301 SUBROUTINE create_cg_section(section)
1305 TYPE(
section_type),
POINTER :: subsection, subsubsection
1309 NULLIFY (section, subsection, subsubsection, keyword)
1311 description=
"Provides parameters to tune the conjugate gradient optimization", &
1312 n_keywords=0, n_subsections=1, repeats=.false.)
1314 CALL keyword_create(keyword, __location__, name=
"MAX_STEEP_STEPS", &
1315 description=
"Maximum number of steepest descent steps before starting the"// &
1316 " conjugate gradients optimization.", &
1317 usage=
"MAX_STEEP_STEPS {integer}", &
1322 CALL keyword_create(keyword, __location__, name=
"RESTART_LIMIT", &
1323 description=
"Cosine of the angle between two consecutive searching directions."// &
1324 " If the angle during a CG optimization is less than the one corresponding to"// &
1325 " to the RESTART_LIMIT the CG is reset and one step of steepest descent is"// &
1327 usage=
"RESTART_LIMIT {real}", &
1328 default_r_val=0.9_dp)
1332 CALL keyword_create(keyword, __location__, name=
"FLETCHER_REEVES", &
1333 description=
"Uses FLETCHER-REEVES instead of POLAK-RIBIERE when using Conjugate Gradients", &
1334 usage=
"FLETCHER_REEVES", &
1335 default_l_val=.false., lone_keyword_l_val=.true.)
1340 CALL section_create(subsection, __location__, name=
"LINE_SEARCH", &
1341 description=
"Provides parameters to tune the line search during the conjugate gradient optimization", &
1342 n_keywords=0, n_subsections=1, repeats=.false.)
1345 description=
"1D line search algorithm to be used with the CG optimizer,"// &
1346 " in increasing order of robustness and cost. ", &
1347 usage=
"TYPE GOLD", &
1349 enum_c_vals=
s2a(
"NONE",
"2PNT",
"3PNT",
"GOLD",
"FIT"), &
1350 enum_desc=
s2a(
"take fixed length steps", &
1351 "extrapolate based on 2 points", &
1352 "extrapolate based on on 3 points", &
1353 "perform 1D golden section search of the minimum (very expensive)", &
1354 "perform 1D fit of a parabola on several evaluation of energy "// &
1355 "(very expensive and more robust vs numerical noise)"), &
1361 NULLIFY (subsubsection)
1363 description=
"Provides parameters to tune the line search for the two point based line search.", &
1364 n_keywords=0, n_subsections=1, repeats=.false.)
1366 CALL keyword_create(keyword, __location__, name=
"MAX_ALLOWED_STEP", &
1367 description=
"Max allowed value for the line search step.", &
1368 usage=
"MAX_ALLOWED_STEP {real}", unit_str=
"internal_cp2k", &
1369 default_r_val=0.25_dp)
1374 keyword, __location__, name=
"LINMIN_GRAD_ONLY", &
1375 description=
"Use only the gradient, not the energy for line minimizations (e.g. in conjugate gradients).", &
1376 usage=
"LINMIN_GRAD_ONLY T", &
1377 default_l_val=.false., lone_keyword_l_val=.true.)
1385 NULLIFY (subsubsection)
1387 description=
"Provides parameters to tune the line search for the gold search.", &
1388 n_keywords=0, n_subsections=1, repeats=.false.)
1390 CALL keyword_create(keyword, __location__, name=
"INITIAL_STEP", &
1391 description=
"Initial step size used, e.g. for bracketing or minimizers. "// &
1392 "Might need to be reduced for systems with close contacts", &
1393 usage=
"INITIAL_STEP {real}", unit_str=
"internal_cp2k", &
1394 default_r_val=0.2_dp)
1399 description=
"Limit in 1D bracketing during line search in Conjugate Gradients Optimization.", &
1400 usage=
"BRACK_LIMIT {real}", unit_str=
"internal_cp2k", &
1401 default_r_val=100.0_dp)
1406 description=
"Tolerance requested during Brent line search in Conjugate Gradients Optimization.", &
1407 usage=
"BRENT_TOL {real}", unit_str=
"internal_cp2k", &
1408 default_r_val=0.01_dp)
1412 CALL keyword_create(keyword, __location__, name=
"BRENT_MAX_ITER", &
1413 description=
"Maximum number of iterations in brent algorithm "// &
1414 "(used for the line search in Conjugated Gradients Optimization)", &
1415 usage=
"BRENT_MAX_ITER {integer}", &
1424 END SUBROUTINE create_cg_section
1431 SUBROUTINE create_lbfgs_section(section)
1438 NULLIFY (section, keyword)
1440 description=
"Provides parameters to tune the limited memory BFGS (LBFGS) optimization", &
1441 n_keywords=0, n_subsections=1, repeats=.false., &
1445 description=
"Maximum rank (and consequently size) of the "// &
1446 "approximate Hessian matrix used by the LBFGS optimizer. "// &
1447 "Larger values (e.g. 30) will accelerate the convergence behaviour "// &
1448 "at the cost of a larger memory consumption.", &
1449 usage=
"MAX_H_RANK {integer}", &
1454 CALL keyword_create(keyword, __location__, name=
"MAX_F_PER_ITER", &
1455 description=
"Maximum number of force evaluations per iteration"// &
1456 " (used for the line search)", &
1457 usage=
"MAX_F_PER_ITER {integer}", &
1462 CALL keyword_create(keyword, __location__, name=
"WANTED_PROJ_GRADIENT", &
1463 description=
"Convergence criterion (overrides the general ones):"// &
1464 " Requested norm threshold of the gradient multiplied"// &
1465 " by the approximate Hessian.", &
1466 usage=
"WANTED_PROJ_GRADIENT {real}", unit_str=
"internal_cp2k", &
1467 default_r_val=1.0e-16_dp)
1471 CALL keyword_create(keyword, __location__, name=
"WANTED_REL_F_ERROR", &
1472 description=
"Convergence criterion (overrides the general ones):"// &
1473 " Requested relative error on the objective function"// &
1474 " of the optimizer (the energy)", &
1475 usage=
"WANTED_REL_F_ERROR {real}", unit_str=
"internal_cp2k", &
1476 default_r_val=1.0e-16_dp)
1481 keyword, __location__, name=
"TRUST_RADIUS", &
1482 description=
"Trust radius used in LBFGS. Not completely in depth tested. Negativ values means no trust radius is used.", &
1483 usage=
"TRUST_RADIUS {real}", unit_str=
'angstrom', &
1484 default_r_val=-1.0_dp)
1488 END SUBROUTINE create_lbfgs_section
1495 SUBROUTINE create_fp_section(section)
1501 cpassert(.NOT.
ASSOCIATED(section))
1502 CALL section_create(section, __location__, name=
"FLEXIBLE_PARTITIONING", &
1503 description=
"This section sets up flexible_partitioning", &
1504 n_keywords=1, n_subsections=1, repeats=.false.)
1506 NULLIFY (keyword, print_key)
1508 CALL keyword_create(keyword, __location__, name=
"CENTRAL_ATOM", &
1509 description=
"Specifies the central atom.", &
1510 usage=
"CENTRAL_ATOM {integer}", &
1516 description=
"Specifies the list of atoms that should remain close to the central atom.", &
1517 usage=
"INNER_ATOMS {integer} {integer} .. {integer}", &
1523 description=
"Specifies the list of atoms that should remain far from the central atom.", &
1524 usage=
"OUTER_ATOMS {integer} {integer} .. {integer}", &
1529 CALL keyword_create(keyword, __location__, name=
"INNER_RADIUS", &
1530 description=
"radius of the inner wall", &
1531 usage=
"INNER_RADIUS {real} ", type_of_var=
real_t, &
1532 n_var=1, unit_str=
"angstrom")
1536 CALL keyword_create(keyword, __location__, name=
"OUTER_RADIUS", &
1537 description=
"radius of the outer wall", &
1538 usage=
"OUTER_RADIUS {real} ", type_of_var=
real_t, &
1539 n_var=1, unit_str=
"angstrom")
1544 description=
"Sets the force constant of the repulsive harmonic potential", &
1545 usage=
"STRENGTH 1.0", default_r_val=1.0_dp)
1550 description=
"If a bias potential counter-acting the weight term should be applied (recommended).", &
1551 usage=
"BIAS F", default_l_val=.true., lone_keyword_l_val=.true.)
1556 description=
"Sets the temperature parameter that is used in the baising potential."// &
1557 " It is recommended to use the actual simulation temperature", &
1558 usage=
"TEMPERATURE 300", default_r_val=300.0_dp, unit_str=
'K')
1562 CALL keyword_create(keyword, __location__, name=
"SMOOTH_WIDTH", &
1563 description=
"Sets the width of the smooth counting function.", &
1564 usage=
"SMOOTH_WIDTH 0.2", default_r_val=0.02_dp, unit_str=
'angstrom')
1569 description=
"Controls the printing of FP info during flexible partitioning simulations.", &
1571 filename=
"FLEXIBLE_PARTIONING")
1576 description=
"Controls the printing of FP info at startup", &
1578 filename=
"__STD_OUT__")
1582 END SUBROUTINE create_fp_section
1589 SUBROUTINE create_driver_section(section)
1594 cpassert(.NOT.
ASSOCIATED(section))
1596 description=
"This section defines the parameters needed to run in i-PI driver mode.", &
1598 n_keywords=3, n_subsections=0, repeats=.false.)
1602 description=
"Use a UNIX socket rather than an INET socket.", &
1603 usage=
"unix LOGICAL", &
1604 default_l_val=.false., lone_keyword_l_val=.true.)
1609 description=
"Port number for the i-PI server.", &
1610 usage=
"port <INTEGER>", &
1611 default_i_val=12345)
1616 description=
"Host name for the i-PI server.", &
1617 usage=
"host <HOSTNAME>", &
1618 default_c_val=
"localhost")
1623 description=
"Sleeping time while waiting for for driver commands [s].", &
1624 usage=
"SLEEP_TIME 0.1", &
1625 default_r_val=0.01_dp)
1629 END SUBROUTINE create_driver_section
1636 SUBROUTINE create_pint_section(section)
1640 TYPE(
section_type),
POINTER :: print_key, subsection, subsubsection
1642 cpassert(.NOT.
ASSOCIATED(section))
1644 description=
"The section that controls a path integral run", &
1645 n_keywords=13, n_subsections=9, repeats=.false.)
1649 description=
"Specify number beads to use", repeats=.false., &
1653 CALL keyword_create(keyword, __location__, name=
"proc_per_replica", &
1654 description=
"Specify number of processors to use for each replica", &
1655 repeats=.false., default_i_val=0)
1659 description=
"Number of steps (if MAX_STEP is not explicitly given"// &
1660 " the program will perform this number of steps)", repeats=.false., &
1665 description=
"Maximum step number (the program will stop if"// &
1666 " ITERATION >= MAX_STEP even if NUM_STEPS has not been reached)", &
1667 repeats=.false., default_i_val=10)
1671 description=
"Specify the iteration number from which it should be "// &
1672 "counted", default_i_val=0)
1676 description=
"The temperature you want to simulate", &
1681 CALL keyword_create(keyword, __location__, name=
"kT_CORRECTION", &
1682 description=
"Corrects for the loss of temperature due to constrained "// &
1683 "degrees of freedom for Nose-Hover chains and numeric integration", &
1684 repeats=.false., default_l_val=.false.)
1687 CALL keyword_create(keyword, __location__, name=
"T_tol", variants=(/
"temp_to"/), &
1688 description=
"threshold for the oscillations of the temperature "// &
1689 "excedeed which the temperature is rescaled. 0 means no rescaling.", &
1690 default_r_val=0._dp, unit_str=
"K")
1694 description=
"timestep (might be subdivised in nrespa subtimesteps", &
1697 usage=
"dt 1.0", unit_str=
"fs")
1701 description=
"integrator scheme for integrating the harmonic bead springs.", &
1702 usage=
"HARM_INT (NUMERIC|EXACT)", &
1704 enum_c_vals=
s2a(
"NUMERIC",
"EXACT"), &
1709 description=
"number of respa steps for the bead for each md step", &
1710 repeats=.false., default_i_val=5)
1714 CALL keyword_create(keyword, __location__, name=
"transformation", &
1715 description=
"Specifies the coordinate transformation to use", &
1716 usage=
"TRANSFORMATION (NORMAL|STAGE)", &
1718 enum_c_vals=
s2a(
"NORMAL",
"STAGE"), &
1724 description=
"Specifies the real time propagator to use", &
1725 usage=
"PROPAGATOR (PIMD|RPMD|CMD)", &
1727 enum_c_vals=
s2a(
"PIMD",
"RPMD",
"CMD"), &
1731 CALL keyword_create(keyword, __location__, name=
"FIX_CENTROID_POS", &
1732 description=
"Propagate all DOF but the centroid - "// &
1733 "useful for equilibration of the non-centroid modes "// &
1734 "(activated only if TRANSFORMATION==NORMAL)", &
1735 repeats=.false., default_l_val=.false., &
1736 lone_keyword_l_val=.true.)
1740 NULLIFY (subsection, subsubsection)
1741 CALL section_create(subsection, __location__, name=
"NORMALMODE", &
1742 description=
"Controls the normal mode transformation", &
1743 n_keywords=3, n_subsections=0, repeats=.false.)
1745 description=
"Value of the thermostat mass of centroid degree of freedom", &
1746 repeats=.false., default_r_val=-1.0_dp)
1750 description=
"Value of the thermostat mass of non-centroid degrees of freedom", &
1751 repeats=.false., default_r_val=-1.0_dp)
1755 description=
"mass scale factor for non-centroid degrees of freedom", &
1756 repeats=.false., default_r_val=1.0_dp)
1760 description=
"mass scale factor for non-centroid degrees of freedom, &
1761& naming convention according to Witt, 2008, <https://doi.org/10.1063/1.3125009>.", &
1762 repeats=.false., default_r_val=8.0_dp)
1770 description=
"The section that controls the staging transformation", &
1771 n_keywords=2, n_subsections=0, repeats=.false.)
1773 description=
"Value of the j parameter for the staging transformation", &
1774 repeats=.false., default_i_val=2)
1778 description=
"Value of the nose-hoover mass for the endbead (Q_end)", &
1779 repeats=.false., default_i_val=2)
1786 description=
"Sets positions and velocities of the beads", &
1787 n_keywords=0, n_subsections=2, &
1789 CALL create_coord_section(subsubsection,
"BEADS")
1792 CALL create_velocity_section(subsubsection,
"BEADS")
1799 description=
"Controls the Nose-Hoover thermostats", &
1800 n_keywords=1, n_subsections=2, &
1803 description=
"length of nose-hoover chain. 0 means no thermostat", &
1804 repeats=.false., default_i_val=2)
1807 CALL create_coord_section(subsubsection,
"NOSE")
1810 CALL create_velocity_section(subsubsection,
"NOSE")
1821 description=
"Controls the PI Langevin Equation thermostat."// &
1822 " Needs the exact harmonic integrator."// &
1823 " May lead to unphysical motions if constraint e.g. FIXED_ATOMS, is applied."// &
1824 " RESTART_HELIUM section has to be .FALSE. when restarting the PIGLET job.", &
1826 n_keywords=3, n_subsections=1, &
1832 description=
"Time constant for centroid motion. "// &
1833 "If zero or negative the centroid is not thermostated.", &
1834 usage=
"TAU {real}", type_of_var=
real_t, &
1835 unit_str=
"fs", n_var=1, default_r_val=1000.0_dp)
1839 description=
"Scaling of friction to mode coupling", &
1840 usage=
"LAMBDA {real}", type_of_var=
real_t, &
1841 n_var=1, default_r_val=0.5_dp)
1844 CALL keyword_create(keyword, __location__, name=
"THERMOSTAT_ENERGY", &
1845 description=
"Thermostat energy for conserved quantity. "// &
1846 "Only useful in restart files.", &
1847 usage=
"THERMOSTAT_ENERGY {real}", type_of_var=
real_t, &
1848 n_var=1, default_r_val=0.0_dp)
1855 description=
"Controls the PI Generalized Langevin Equation thermostat."// &
1856 " Needs the exact harmonic integrator", &
1858 n_keywords=4, n_subsections=2, &
1863 CALL section_create(subsubsection, __location__, name=
"EXTRA_DOF", &
1864 description=
"Additional degrees of freedom to ensure Markovian Dynamics.", &
1865 n_keywords=1, n_subsections=0, repeats=.false.)
1866 CALL keyword_create(keyword, __location__, name=
"_DEFAULT_KEYWORD_", &
1867 description=
"Restart values for additional degrees of freedom" &
1868 //
" (only for restarts, do not set explicitly)", &
1870 type_of_var=
real_t, n_var=-1)
1876 description=
"Number of extra degrees of freedom to ensure markovian dynamics", &
1877 repeats=.false., default_i_val=8)
1880 CALL keyword_create(keyword, __location__, name=
"MATRICES_FILE_NAME", &
1881 description=
"Filename containig the raw matrices from "// &
1882 "<https://gle4md.org/index.html?page=matrix>.", &
1883 repeats=.false., default_lc_val=
"PIGLET.MAT")
1886 CALL keyword_create(keyword, __location__, name=
"SMATRIX_INIT", &
1887 description=
"Select algorithm to initialize piglet S-matrices", &
1888 usage=
"SMATRIX_INIT (CHOLESKY|DIAGONAL)", &
1890 enum_c_vals=
s2a(
"CHOLESKY",
"DIAGONAL"), &
1894 CALL keyword_create(keyword, __location__, name=
"THERMOSTAT_ENERGY", &
1895 description=
"Thermostat energy for conserved quantity. "// &
1896 "Only useful in restart files.", &
1897 usage=
"THERMOSTAT_ENERGY {real}", type_of_var=
real_t, &
1898 n_var=1, default_r_val=0.0_dp)
1905 description=
"Controls the QTB-PILE thermostat."// &
1906 " Needs the exact harmonic integrator", &
1908 n_keywords=7, n_subsections=1, &
1914 description=
"Time constant for centroid motion. ", &
1915 usage=
"TAU {real}", type_of_var=
real_t, &
1916 unit_str=
"fs", n_var=1, default_r_val=1000.0_dp)
1920 description=
"Scaling of friction to ring polymer NM freq.", &
1921 usage=
"LAMBDA {real}", type_of_var=
real_t, &
1922 n_var=1, default_r_val=0.5_dp)
1926 description=
"Defines which version to use "// &
1927 "0: f_P^(0), 1: f_P^(1)", &
1928 usage=
"FP {integer}", type_of_var=
integer_t, &
1929 n_var=1, default_i_val=1)
1933 description=
"Inverse of cutoff freq. for the centroid mode", &
1934 usage=
"TAUCUT {real}", type_of_var=
real_t, &
1935 unit_str=
"fs", n_var=1, default_r_val=0.5_dp)
1939 description=
"Scaling of cutoff freq. to ring polymer NM freq.", &
1940 usage=
"LAMBCUT {real}", type_of_var=
real_t, &
1941 n_var=1, default_r_val=2.0_dp)
1945 description=
"Number of points used for the convolution product.", &
1946 usage=
"NF {integer}", type_of_var=
integer_t, &
1947 n_var=1, default_i_val=128)
1950 CALL keyword_create(keyword, __location__, name=
"THERMOSTAT_ENERGY", &
1951 description=
"Thermostat energy for conserved quantity. "// &
1952 "Only useful in restart files.", &
1953 usage=
"THERMOSTAT_ENERGY {real}", type_of_var=
real_t, &
1954 n_var=1, default_r_val=0.0_dp)
1961 description=
"Controls the initialization if the beads are not present", &
1964 CALL keyword_create(keyword, __location__, name=
"LEVY_POS_SAMPLE", &
1965 description=
"Sample bead positions assuming free particle "// &
1966 "behavior (performs a Levy random walk of length P around "// &
1967 "the classical position of each atom at the physical "// &
1968 "temperature defined in PINT%TEMP)", &
1969 repeats=.false., default_l_val=.false., &
1970 lone_keyword_l_val=.true.)
1973 CALL keyword_create(keyword, __location__, name=
"LEVY_CORRELATED", &
1974 description=
"Use the same Levy path for all atoms, though "// &
1975 "with mass-dependent variances (might help at very low T)", &
1976 repeats=.false., default_l_val=.false., &
1977 lone_keyword_l_val=.true.)
1980 CALL keyword_create(keyword, __location__, name=
"LEVY_TEMP_FACTOR", &
1981 description=
"Multiplicative correction factor for the "// &
1982 "temperature at which the Levy walk is performed "// &
1983 "(correction is due to the interactions that modify "// &
1984 "the spread of a free particle)", &
1985 repeats=.false., default_r_val=1.0_dp)
1989 description=
"Initial seed for the (pseudo)random number "// &
1990 "generator that controls Levy walk for bead positions.", &
1991 usage=
"LEVY_SEED <INTEGER>", default_i_val=1234, &
1995 CALL keyword_create(keyword, __location__, name=
"THERMOSTAT_SEED", &
1996 description=
"Initial seed for the (pseudo)random number "// &
1997 "generator that controls the PILE and PIGLET thermostats.", &
1998 usage=
"THERMOSTAT_SEED <INTEGER>", default_i_val=12345, &
2002 CALL keyword_create(keyword, __location__, name=
"RANDOMIZE_POS", &
2003 description=
"add gaussian noise to the positions of the beads", &
2004 repeats=.false., default_l_val=.false., lone_keyword_l_val=.true.)
2008 CALL keyword_create(keyword, __location__, name=
"CENTROID_SPEED", &
2009 description=
"adds random velocity component to the centroid modes "// &
2010 "(useful to correct for the averaging out of the speed of various beads)", &
2011 repeats=.false., default_l_val=.false., lone_keyword_l_val=.true.)
2015 CALL keyword_create(keyword, __location__, name=
"VELOCITY_QUENCH", &
2016 description=
"set the initial velocities to zero", &
2017 repeats=.false., default_l_val=.false., lone_keyword_l_val=.true.)
2020 CALL keyword_create(keyword, __location__, name=
"VELOCITY_SCALE", &
2021 description=
"scale initial velocities to the temperature given in MOTION%PINT%TEMP", &
2022 repeats=.false., default_l_val=.false., lone_keyword_l_val=.true.)
2029 CALL create_helium_section(subsection)
2034 description=
"Controls the path integral-specific output", &
2035 n_keywords=2, n_subsections=0, repeats=.false.)
2040 description=
"Controls the output of the path integral energies", &
2046 description=
"Controls the output of the path integral action", &
2052 description=
"Controls the output of the centroid's position", &
2053 unit_str=
"angstrom", &
2056 description=
"Output file format for the positions of centroid")
2061 description=
"Controls the output of the centroid's velocity", &
2062 unit_str=
"bohr*au_t^-1", &
2065 description=
"Output file format for the velocity of centroid")
2070 description=
"Controls the output of the centroid's radii of gyration", &
2071 unit_str=
"angstrom", &
2077 description=
"Controls the output of the center of mass", &
2082 CALL keyword_create(keyword, __location__, name=
"IMAGINARY_TIME_STRIDE", &
2083 description=
"Prints only every nth bead trajectory", &
2084 repeats=.false., default_i_val=1)
2091 END SUBROUTINE create_pint_section
2101 SUBROUTINE create_helium_section(section)
2105 TYPE(
section_type),
POINTER :: print_key, subsection, subsubsection
2107 cpassert(.NOT.
ASSOCIATED(section))
2110 description=
"The section that controls optional helium solvent"// &
2111 " environment (highly experimental, not for general use yet)", &
2112 n_keywords=31, n_subsections=11, repeats=.false.)
2115 CALL keyword_create(keyword, __location__, name=
"_SECTION_PARAMETERS_", &
2116 description=
"Whether or not to actually use this section", &
2117 usage=
"silent", default_l_val=.false., lone_keyword_l_val=.true.)
2122 description=
"Simulate helium solvent only, "// &
2123 "disregard solute entirely", &
2124 repeats=.false., default_l_val=.false., &
2125 lone_keyword_l_val=.true.)
2129 CALL keyword_create(keyword, __location__, name=
"INTERACTION_POT_SCAN", &
2130 description=
"Scan solute-helium interaction potential, "// &
2131 "cubefile parameters set in subsection RHO", &
2132 repeats=.false., default_l_val=.false., &
2133 lone_keyword_l_val=.true.)
2138 description=
"Number of independent helium environments", &
2139 repeats=.false., default_i_val=1)
2143 CALL keyword_create(keyword, __location__, name=
"POTENTIAL_FILE_NAME", &
2144 description=
"Name of the Helium interaction potential file", &
2145 repeats=.false., default_lc_val=
"HELIUM.POT")
2150 description=
"Get average MC forces or last MC forces to propagate MD", &
2151 usage=
"GET_FORCES (AVERAGE|LAST)", &
2153 enum_c_vals=
s2a(
"AVERAGE",
"LAST"), &
2158 CALL keyword_create(keyword, __location__, name=
"SOLUTE_INTERACTION", &
2159 description=
"Interaction potential between helium and the solute", &
2160 usage=
"SOLUTE_INTERACTION (NONE | MWATER | NNP)", &
2162 enum_c_vals=
s2a(
"NONE",
"MWATER",
"NNP"), &
2168 "No interaction with solute", &
2169 "Test interaction with wrong Water", &
2170 "Interaction with NNP"))
2175 description=
"Number of helium atoms", &
2176 repeats=.false., default_i_val=64)
2181 description=
"Number of helium path integral beads", &
2182 repeats=.false., default_i_val=25)
2187 description=
"Initial seed for the (pseudo)random number "// &
2188 "generator that controls helium coordinate generation and propagation.", &
2189 usage=
"RNG_SEED <INTEGER>", default_i_val=12345, &
2195 variants=
s2a(
"INOROT"), &
2196 description=
"Number of MC iterations at the same time slice(s) "// &
2197 "(number of inner MC loop iterations)", &
2198 repeats=.false., default_i_val=6600)
2203 variants=
s2a(
"IROT"), &
2204 description=
"how often to reselect the time slice(s) to work on "// &
2205 "(number of outer MC loop iterations)", &
2206 repeats=.false., default_i_val=300)
2210 CALL keyword_create(keyword, __location__, name=
"SAMPLING_METHOD", &
2211 description=
"Choose between Ceperley or the worm algorithm", &
2212 usage=
"SAMPLING_METHOD (CEPERLEY|WORM)", &
2214 enum_c_vals=
s2a(
"CEPERLEY",
"WORM"), &
2219 CALL keyword_create(keyword, __location__, name=
"COORD_INIT_TEMP", &
2220 description=
"Temperature for thermal gaussian initialization of the helium."// &
2221 " Negative values correspond to a hot start.", &
2227 CALL keyword_create(keyword, __location__, name=
"SOLUTE_RADIUS", &
2228 description=
"Radius of the solute molecule for prevention of"// &
2229 " coordinate collision during initialization", &
2231 repeats=.false., type_of_var=
real_t, unit_str=
"angstrom")
2236 NULLIFY (subsection)
2238 description=
"This section contains all information to run an helium-solute "// &
2239 "interaction Neural Network Potential (NNP) calculation.", &
2240 n_keywords=2, n_subsections=3, repeats=.false.)
2242 CALL keyword_create(keyword, __location__, name=
"NNP_INPUT_FILE_NAME", &
2243 description=
"File containing the input information for the setup "// &
2244 "of the NNP (n2p2/RuNNer format). ", &
2245 repeats=.false., default_lc_val=
"input.nn")
2249 CALL keyword_create(keyword, __location__, name=
"SCALE_FILE_NAME", &
2250 description=
"File containing the scaling information for the symmetry "// &
2251 "functions of the NNP. ", &
2252 repeats=.false., default_lc_val=
"scaling.data")
2256 NULLIFY (subsubsection)
2257 CALL section_create(subsubsection, __location__, name=
"SR_CUTOFF", &
2258 description=
"Section for failsafe short range cutoffs for the NNPs, "// &
2259 "if the distance between solvent and specified solute element becomes "// &
2260 "smaller than the given cutoff, an artifical repulsive potential is "// &
2261 "introduced. Note this is only meant to prevent such configurations, "// &
2262 "not to physically sample them.", &
2263 n_keywords=2, n_subsections=0, repeats=.true.)
2266 description=
"Solute element for which the short range cutoff is in effect", &
2267 repeats=.false., default_c_val=
"none")
2272 description=
"Short range cutoff in Angstrom, below this cutoff, the energy "// &
2273 "is replaced by a sizable positive value plus a 1/r**2 term to guide particles "// &
2274 "away from each other.", &
2276 repeats=.false., type_of_var=
real_t, unit_str=
"angstrom")
2282 NULLIFY (subsubsection)
2284 description=
"Section for a single NNP model. If this section is repeated, "// &
2285 "a committee model (C-NNP)is used where the NNP members share the same "// &
2286 "symmetry functions. ", &
2287 n_keywords=1, n_subsections=0, repeats=.true.)
2290 description=
"File containing the weights for the artificial neural "// &
2291 "networks of the NNP. The specified name is extended by .XXX.data ", &
2292 repeats=.false., default_lc_val=
"weights")
2299 NULLIFY (subsubsection)
2301 description=
"Section of possible print options in NNP code.", &
2302 n_keywords=0, n_subsections=3, repeats=.false.)
2303 NULLIFY (print_key, keyword)
2306 description=
"Controls the printing of the NNP energies.", &
2312 description=
"Controls the printing of the STD per atom of the NNP forces.", &
2318 description=
"If activated, output structures with extrapolation "// &
2319 "warning in xyz-format", &
2330 NULLIFY (subsection)
2332 description=
"Enables sampling with Ceperley's algorithm", &
2333 n_keywords=2, n_subsections=1, repeats=.false.)
2336 description=
"how many time slices to change at once (+1). "// &
2337 "Must be a power of 2 currently", &
2338 repeats=.false., default_i_val=8)
2342 CALL keyword_create(keyword, __location__, name=
"MAX_PERM_CYCLE", &
2343 description=
"how large cyclic permutations to try", &
2344 repeats=.false., default_i_val=6)
2348 NULLIFY (subsubsection)
2349 CALL section_create(subsubsection, __location__, name=
"M-SAMPLING", &
2350 description=
"Permutation cycle length sampling settings", &
2351 n_keywords=3, n_subsections=0, repeats=.false.)
2352 CALL keyword_create(keyword, __location__, name=
"DISTRIBUTION-TYPE", &
2353 description=
"Distribution from which the cycle length m is sampled", &
2354 usage=
"DISTRIBUTION-TYPE (SINGLEV|UNIFORM|LINEAR|QUADRATIC|EXPONENTIAL|GAUSSIAN)", &
2373 description=
"Value of m treated in a special way "// &
2374 "(specific behavior depends on the distribution type chosen)", &
2380 description=
"Probability ratio betw M-VALUE and other cycle lengths", &
2382 default_r_val=1.0_dp)
2391 NULLIFY (subsection)
2393 description=
"Enables sampling via the canonical worm algorithm adapted from Bonisegni", &
2394 n_keywords=12, n_subsections=0, repeats=.false.)
2396 CALL keyword_create(keyword, __location__, name=
"CENTROID_DRMAX", &
2397 description=
"Maximum displacement allowed for the centroid moves", &
2398 repeats=.false., default_r_val=0.5_dp)
2403 description=
"From 2 up to max. L-1 beads will be moved", &
2404 repeats=.false., default_i_val=5)
2408 CALL keyword_create(keyword, __location__, name=
"OPEN_CLOSE_SCALE", &
2409 description=
"Open/Close acceptance adjustment parameter", &
2410 repeats=.false., default_r_val=0.01_dp)
2415 description=
"Enable bosonic exchange sampling", &
2416 repeats=.false., default_l_val=.true.)
2420 CALL keyword_create(keyword, __location__, name=
"MAX_OPEN_CYCLES", &
2421 description=
"If > 0 then reset positions and permutations to the previous closed &
2422 & state if staying more than this amount of MC cycles in open state to avoid staying &
2423 & trapped in open state for too long. Use with caution as it can potentially introduce &
2424 & a bias in the sampling.", &
2425 repeats=.false., default_i_val=0)
2429 CALL keyword_create(keyword, __location__, name=
"SHOW_STATISTICS", &
2430 description=
"Show sampling statistics in output", &
2431 repeats=.false., default_l_val=.true.)
2435 CALL keyword_create(keyword, __location__, name=
"CENTROID_WEIGHT", &
2436 description=
"Absolute weight of the centroid move", &
2437 repeats=.false., default_i_val=10)
2441 CALL keyword_create(keyword, __location__, name=
"STAGING_WEIGHT", &
2442 description=
"Absolute weight of the staging move", &
2443 repeats=.false., default_i_val=30)
2447 CALL keyword_create(keyword, __location__, name=
"OPEN_CLOSE_WEIGHT", &
2448 description=
"Absolute weight of the open/close move", &
2449 repeats=.false., default_i_val=10)
2453 CALL keyword_create(keyword, __location__, name=
"HEAD_TAIL_WEIGHT", &
2454 description=
"Absolute weight of the head/tail moves (both)", &
2455 repeats=.false., default_i_val=10)
2459 CALL keyword_create(keyword, __location__, name=
"CRAWL_WEIGHT", &
2460 description=
"Absolute weight of the crawl bwd/fwd moves (both)", &
2461 repeats=.false., default_i_val=10)
2465 CALL keyword_create(keyword, __location__, name=
"CRAWL_REPETITION", &
2466 description=
"Number of repeated crawl moves", &
2467 repeats=.false., default_i_val=4)
2472 description=
"Absolute weight of the crawl move", &
2473 repeats=.false., default_i_val=10)
2483 description=
"Use periodic boundary conditions for helium", &
2484 repeats=.false., default_l_val=.false.)
2489 description=
"PBC unit cell size (NOTE 1: density, number of atoms"// &
2490 " and volume are interdependent - give only two of them; "// &
2491 "NOTE 2: for small cell sizes specify NATOMS instead)", &
2492 repeats=.false., type_of_var=
real_t, unit_str=
"angstrom")
2497 description=
"PBC unit cell shape for helium", &
2498 usage=
"CELL_SHAPE (CUBE|OCTAHEDRON)", &
2500 enum_c_vals=
s2a(
"CUBE",
"OCTAHEDRON"), &
2505 CALL keyword_create(keyword, __location__, name=
"DROPLET_RADIUS", &
2506 description=
"Reject a move if any of the new positions does not lie within"// &
2507 " this range from the center of gravity", &
2508 repeats=.false., type_of_var=
real_t, default_r_val=huge(1.0_dp), &
2509 unit_str=
"angstrom")
2514 description=
"trial density of helium for determining the helium "// &
2518 unit_str=
"angstrom^-3")
2523 description=
"Presample He coordinates before first PIMD step", &
2524 repeats=.false., default_l_val=.false.)
2529 description=
"Radial distribution settings", &
2530 n_keywords=5, n_subsections=0, repeats=.false.)
2532 CALL keyword_create(keyword, __location__, name=
"_SECTION_PARAMETERS_", &
2533 description=
"Whether or not to actually calculate this property", &
2534 default_l_val=.false., lone_keyword_l_val=.true.)
2539 description=
"Maximum RDF range, defaults to unit cell size", &
2540 repeats=.false., type_of_var=
real_t, &
2541 unit_str=
"angstrom")
2546 description=
"Number of bins", &
2553 description=
"Whether or not to calculate solute-He RDFs (if solute is present)", &
2554 default_l_val=.true., lone_keyword_l_val=.true.)
2559 description=
"Whether or not to calculate He-He RDFs", &
2560 default_l_val=.false., lone_keyword_l_val=.true.)
2567 NULLIFY (subsection)
2569 description=
"Spatial distribution settings", &
2570 n_keywords=10, n_subsections=0, repeats=.false.)
2571 CALL keyword_create(keyword, __location__, name=
"_SECTION_PARAMETERS_", &
2572 description=
"Whether or not to actually calculate densities "// &
2573 "(requires significant amount of memory, depending on the value of NBIN)", &
2574 default_l_val=.false., lone_keyword_l_val=.true.)
2578 description=
"Number of grid points in each direction for density binning", &
2584 CALL keyword_create(keyword, __location__, name=
"MIN_CYCLE_LENGTHS_WDG", &
2585 description=
"Density of winding paths "// &
2586 "not shorter than the given length", &
2587 repeats=.false., usage=
"MIN_CYCLE_LENGTHS_WDG <INT> <INT> .. <INT>", &
2592 CALL keyword_create(keyword, __location__, name=
"MIN_CYCLE_LENGTHS_NON", &
2593 description=
"Density of non-winding paths "// &
2594 "not shorter than the given length", &
2595 repeats=.false., usage=
"MIN_CYCLE_LENGTHS_NON <INT> <INT> .. <INT>", &
2600 CALL keyword_create(keyword, __location__, name=
"MIN_CYCLE_LENGTHS_ALL", &
2601 description=
"Density of all paths "// &
2602 "not shorter than the given length", &
2603 repeats=.false., usage=
"MIN_CYCLE_LENGTHS_ALL <INT> <INT> .. <INT>", &
2609 description=
"Atom number density", &
2612 default_l_val=.true., &
2613 lone_keyword_l_val=.true.)
2617 CALL keyword_create(keyword, __location__, name=
"PROJECTED_AREA_2", &
2618 description=
"Projected area squared density, A*A(r)", &
2621 default_l_val=.false., &
2622 lone_keyword_l_val=.true.)
2626 CALL keyword_create(keyword, __location__, name=
"WINDING_NUMBER_2", &
2627 description=
"Winding number squared density, W*W(r)", &
2630 default_l_val=.false., &
2631 lone_keyword_l_val=.true.)
2635 CALL keyword_create(keyword, __location__, name=
"WINDING_CYCLE_2", &
2636 description=
"Winding number squared density, W^2(r)", &
2639 default_l_val=.false., &
2640 lone_keyword_l_val=.true.)
2644 CALL keyword_create(keyword, __location__, name=
"MOMENT_OF_INERTIA", &
2645 description=
"Moment of inertia density", &
2648 default_l_val=.false., &
2649 lone_keyword_l_val=.true.)
2657 CALL create_coord_section(subsection,
"HELIUM")
2662 description=
"Permutation state used for restart", &
2663 n_keywords=1, n_subsections=0, repeats=.false.)
2664 CALL keyword_create(keyword, __location__, name=
"_DEFAULT_KEYWORD_", &
2665 description=
"Specify particle index permutation for every "// &
2666 "helium atom", repeats=.true., usage=
"<INT> <INT> .. <INT>", &
2674 description=
"Average properties (used for restarts)", &
2675 n_keywords=7, n_subsections=0, repeats=.false.)
2676 CALL keyword_create(keyword, __location__, name=
"PROJECTED_AREA", &
2677 description=
"Projected area vector for all environments", &
2678 repeats=.true., usage=
"PROJECTED_AREA <REAL> <REAL> .. <REAL>", &
2679 type_of_var=
real_t, n_var=-1)
2682 CALL keyword_create(keyword, __location__, name=
"PROJECTED_AREA_2", &
2683 description=
"Projected area vector squared for all environments", &
2684 repeats=.true., usage=
"PROJECTED_AREA_2 <REAL> <REAL> .. <REAL>", &
2685 type_of_var=
real_t, n_var=-1)
2688 CALL keyword_create(keyword, __location__, name=
"WINDING_NUMBER_2", &
2689 description=
"Winding number vector squared for all environments", &
2690 repeats=.true., usage=
"WINDING_NUMBER_2 <REAL> <REAL> .. <REAL>", &
2691 type_of_var=
real_t, n_var=-1)
2694 CALL keyword_create(keyword, __location__, name=
"MOMENT_OF_INERTIA", &
2695 description=
"Moment of inertia vector for all environments", &
2696 repeats=.true., usage=
"MOMENT_OF_INERTIA <REAL> <REAL> .. <REAL>", &
2697 type_of_var=
real_t, n_var=-1)
2701 description=
"Radial distributions averaged over all environments", &
2702 repeats=.true., usage=
"RDF <REAL> <REAL> .. <REAL>", &
2703 type_of_var=
real_t, n_var=-1)
2707 description=
"Spatial distributions averaged over all environments", &
2708 repeats=.true., usage=
"RHO <REAL> <REAL> .. <REAL>", &
2709 type_of_var=
real_t, n_var=-1)
2713 description=
"Weight for the restarted quantities "// &
2714 "(number of MC steps used to calculate the accumulated averages)", &
2723 description=
"Forces exerted by the helium on the solute system"// &
2724 " (used for restarts)", &
2725 n_keywords=1, n_subsections=0, repeats=.false.)
2726 CALL keyword_create(keyword, __location__, name=
"_DEFAULT_KEYWORD_", &
2727 description=
"Number of real values should be 3 * "// &
2728 "<num_solute_atoms> * <num_solute_beads>", repeats=.true., &
2729 usage=
"<REAL> <REAL> .. <REAL>", type_of_var=
real_t, &
2736 CALL section_create(subsection, __location__, name=
"RNG_STATE", &
2737 description=
"Random number generator state for all processors", &
2738 n_keywords=1, n_subsections=0, repeats=.false.)
2739 CALL keyword_create(keyword, __location__, name=
"_DEFAULT_KEYWORD_", &
2740 description=
"Three real arrays of DIMENSION(3,2) times two RNG "// &
2741 "streams - 36 real values per processor", &
2742 repeats=.true., usage=
"automatically filled, do not edit by hand", &
2743 type_of_var=
real_t, n_var=-1)
2750 description=
"The section that controls the output of the helium code", &
2751 n_keywords=16, n_subsections=0, repeats=.false.)
2764 description=
"Controls the output of helium energies"// &
2765 " (averaged over MC step)", &
2771 description=
"Controls the output of the average projected area squared vector", &
2777 description=
"Controls the output of the average winding number vector squared", &
2783 description=
"Controls the output of the average moment of inertia vector", &
2791 description=
"Controls the output of helium radial distribution functions", &
2797 description=
"Controls the output of the helium density "// &
2798 "(Gaussian cube file format)", &
2799 each_iter_names=
s2a(
"PINT"), each_iter_values=(/100/), &
2802 CALL keyword_create(keyword, __location__, name=
"BACKUP_COPIES", &
2803 description=
"Specifies the maximum number of backup copies.", &
2804 usage=
"BACKUP_COPIES {int}", &
2812 description=
"Controls the output of the projected area vector", &
2818 description=
"Controls the output of the winding number vector", &
2824 description=
"Controls the output of the moment of inertia vector", &
2830 description=
"Controls the output of the helium permutation length", &
2836 description=
"Controls the output of the total helium action", &
2844 description=
"Controls the output of helium coordinates", &
2847 description=
"Output file format for the coordinates", &
2848 usage=
"FORMAT (PDB|XYZ)", &
2850 enum_c_vals=
s2a(
"PDB",
"XYZ"), &
2852 enum_desc=
s2a(
"Bead coordinates and connectivity is written in PDB format", &
2853 "Only bead coordinates are written in XYZ format"))
2860 description=
"Controls the output of the helium permutation state", &
2863 description=
"Output format for the permutation", &
2864 usage=
"FORMAT (CYCLE|PLAIN)", &
2866 enum_c_vals=
s2a(
"CYCLE",
"PLAIN"), &
2869 "Cycle notation with winding cycles enclosed"// &
2870 " in '[...]' and non-winding ones enclosed in '(...)'", &
2871 "Plain permutation output, i.e. P(1) ... P(N)"))
2878 description=
"Controls the output of the helium forces on the solute", &
2886 description=
"Controls the output of the helium acceptance data", &
2892 description=
"Controls the output of the instantaneous helium forces on the solute", &
2901 END SUBROUTINE create_helium_section
collects all references to literature in CP2K as new algorithms / method are included from literature...
integer, save, public kapil2016
integer, save, public ceriotti2012
integer, save, public henkelman1999
integer, save, public ceriotti2010
integer, save, public henkelman2014
integer, save, public byrd1995
integer, save, public brieuc2016
integer, save, public ceriotti2014
routines to handle the output, The idea is to remove the decision of wheter to output and what to out...
integer, parameter, public debug_print_level
integer, parameter, public low_print_level
integer, parameter, public medium_print_level
integer, parameter, public high_print_level
integer, parameter, public add_last_numeric
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
real(kind=dp) function, public cp_unit_to_cp2k(value, unit_str, defaults, power)
converts to the internal cp2k units to the given unit
Defines the basic variable types.
integer, parameter, public dp
Utilities for string manipulations.