added tests for MD method ENUMS in Gromacs

tests/data/gromacs/water_AA_ENUM_tests/integrator-bd/commands.sh

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+conda activate martignac_2
+
+gmx grompp -f water.298.mdp -c water.confout.gro -p water.top -o water.tpr
+
+gmx mdrun -s water.tpr -o water.trr

tests/data/gromacs/water_AA_ENUM_tests/integrator-bd/mdout.mdp

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+;
+;	File 'mdout.mdp' was generated
+;	By user: jfrudzinski (1000)
+;	On host: FAIRmat-AreaC2-Rudzinski
+;	At date: Wed Jan  3 15:16:49 2024
+;
+;	Created by:
+;	                     :-) GROMACS - gmx grompp, 2018.6 (-:
+;	
+;	Executable:   /home/jfrudzinski/miniconda3/envs/martignac_2/bin/gmx
+;	Data prefix:  /home/jfrudzinski/miniconda3/envs/martignac_2
+;	Working dir:  /home/jfrudzinski/work/DEV_Examples/GRO_DEV/MD_Overview/Water/water_AA_integrators_1frame/bd
+;	Command line:
+;	  gmx grompp -f water.298.mdp -c water.confout.gro -p water.top -o water.tpr
+
+; VARIOUS PREPROCESSING OPTIONS
+; Preprocessor information: use cpp syntax.
+; e.g.: -I/home/joe/doe -I/home/mary/roe
+include                  = -I/gpfs/work/jfr148/pkg/gromacs-4.0.7/share/top/
+; e.g.: -DPOSRES -DFLEXIBLE (note these variable names are case sensitive)
+define                   = 
+
+; RUN CONTROL PARAMETERS
+integrator               = bd
+; Start time and timestep in ps
+tinit                    = 0.0
+dt                       = 0.0001
+nsteps                   = 1
+; For exact run continuation or redoing part of a run
+init-step                = 0
+; Part index is updated automatically on checkpointing (keeps files separate)
+simulation-part          = 1
+; mode for center of mass motion removal
+comm-mode                = linear
+; number of steps for center of mass motion removal
+nstcomm                  = 1
+; group(s) for center of mass motion removal
+comm-grps                = 
+
+; LANGEVIN DYNAMICS OPTIONS
+; Friction coefficient (amu/ps) and random seed
+bd-fric                  = 0
+ld-seed                  = -1
+
+; ENERGY MINIMIZATION OPTIONS
+; Force tolerance and initial step-size
+emtol                    = 10
+emstep                   = 0.01
+; Max number of iterations in relax-shells
+niter                    = 20
+; Step size (ps^2) for minimization of flexible constraints
+fcstep                   = 0
+; Frequency of steepest descents steps when doing CG
+nstcgsteep               = 1000
+nbfgscorr                = 10
+
+; TEST PARTICLE INSERTION OPTIONS
+rtpi                     = 0.05
+
+; OUTPUT CONTROL OPTIONS
+; Output frequency for coords (x), velocities (v) and forces (f)
+nstxout                  = 1
+nstvout                  = 1
+nstfout                  = 1
+; Output frequency for energies to log file and energy file
+nstlog                   = 1
+nstcalcenergy            = 100
+nstenergy                = 1
+; Output frequency and precision for .xtc file
+nstxout-compressed       = 0
+compressed-x-precision   = 1000
+; This selects the subset of atoms for the compressed
+; trajectory file. You can select multiple groups. By
+; default, all atoms will be written.
+compressed-x-grps        = 
+; Selection of energy groups
+energygrps               = System
+
+; NEIGHBORSEARCHING PARAMETERS
+; cut-off scheme (Verlet: particle based cut-offs, group: using charge groups)
+cutoff-scheme            = Verlet
+; nblist update frequency
+nstlist                  = 1
+; ns algorithm (simple or grid)
+ns_type                  = grid
+; Periodic boundary conditions: xyz, no, xy
+pbc                      = xyz
+periodic-molecules       = no
+; Allowed energy error due to the Verlet buffer in kJ/mol/ps per atom,
+; a value of -1 means: use rlist
+verlet-buffer-tolerance  = 0.005
+; nblist cut-off        
+rlist                    = 0.9
+; long-range cut-off for switched potentials
+
+; OPTIONS FOR ELECTROSTATICS AND VDW
+; Method for doing electrostatics
+coulombtype              = PME
+coulomb-modifier         = Potential-shift-Verlet
+rcoulomb-switch          = 0
+rcoulomb                 = 0.9
+; Relative dielectric constant for the medium and the reaction field
+epsilon-r                = 1
+epsilon-rf               = 0
+; Method for doing Van der Waals
+vdwtype                  = cutoff
+vdw-modifier             = Potential-shift-Verlet
+; cut-off lengths       
+rvdw-switch              = 0
+rvdw                     = 0.9
+; Apply long range dispersion corrections for Energy and Pressure
+DispCorr                 = EnerPres
+; Extension of the potential lookup tables beyond the cut-off
+table-extension          = 1
+; Separate tables between energy group pairs
+energygrp-table          = 
+; Spacing for the PME/PPPM FFT grid
+fourierspacing           = 0.08
+; FFT grid size, when a value is 0 fourierspacing will be used
+fourier-nx               = 0
+fourier-ny               = 0
+fourier-nz               = 0
+; EWALD/PME/PPPM parameters
+pme_order                = 6
+ewald_rtol               = 1e-06
+ewald-rtol-lj            = 0.001
+lj-pme-comb-rule         = Geometric
+ewald-geometry           = 3d
+epsilon-surface          = 0
+
+; IMPLICIT SOLVENT ALGORITHM
+implicit-solvent         = No
+
+; GENERALIZED BORN ELECTROSTATICS
+; Algorithm for calculating Born radii
+gb-algorithm             = Still
+; Frequency of calculating the Born radii inside rlist
+nstgbradii               = 1
+; Cutoff for Born radii calculation; the contribution from atoms
+; between rlist and rgbradii is updated every nstlist steps
+rgbradii                 = 1
+; Dielectric coefficient of the implicit solvent
+gb-epsilon-solvent       = 80
+; Salt concentration in M for Generalized Born models
+gb-saltconc              = 0
+; Scaling factors used in the OBC GB model. Default values are OBC(II)
+gb-obc-alpha             = 1
+gb-obc-beta              = 0.8
+gb-obc-gamma             = 4.85
+gb-dielectric-offset     = 0.009
+sa-algorithm             = Ace-approximation
+; Surface tension (kJ/mol/nm^2) for the SA (nonpolar surface) part of GBSA
+; The value -1 will set default value for Still/HCT/OBC GB-models.
+sa-surface-tension       = -1
+
+; OPTIONS FOR WEAK COUPLING ALGORITHMS
+; Temperature coupling  
+tcoupl                   = No
+nsttcouple               = -1
+nh-chain-length          = 10
+print-nose-hoover-chain-variables = no
+; Groups to couple separately
+tc_grps                  = System
+; Time constant (ps) and reference temperature (K)
+tau_t                    = 0.5
+ref_t                    = 298
+; pressure coupling     
+pcoupl                   = No
+pcoupltype               = Isotropic
+nstpcouple               = -1
+; Time constant (ps), compressibility (1/bar) and reference P (bar)
+tau-p                    = 1
+compressibility          = 
+ref-p                    = 
+; Scaling of reference coordinates, No, All or COM
+refcoord-scaling         = No
+
+; OPTIONS FOR QMMM calculations
+QMMM                     = no
+; Groups treated Quantum Mechanically
+QMMM-grps                = 
+; QM method             
+QMmethod                 = 
+; QMMM scheme           
+QMMMscheme               = normal
+; QM basisset           
+QMbasis                  = 
+; QM charge             
+QMcharge                 = 
+; QM multiplicity       
+QMmult                   = 
+; Surface Hopping       
+SH                       = 
+; CAS space options     
+CASorbitals              = 
+CASelectrons             = 
+SAon                     = 
+SAoff                    = 
+SAsteps                  = 
+; Scale factor for MM charges
+MMChargeScaleFactor      = 1
+
+; SIMULATED ANNEALING  
+; Type of annealing for each temperature group (no/single/periodic)
+annealing                = 
+; Number of time points to use for specifying annealing in each group
+annealing-npoints        = 
+; List of times at the annealing points for each group
+annealing-time           = 
+; Temp. at each annealing point, for each group.
+annealing-temp           = 
+
+; GENERATE VELOCITIES FOR STARTUP RUN
+gen_vel                  = yes
+gen_temp                 = 298
+gen_seed                 = 173529
+
+; OPTIONS FOR BONDS    
+constraints              = none
+; Type of constraint algorithm
+constraint-algorithm     = Lincs
+; Do not constrain the start configuration
+continuation             = no
+; Use successive overrelaxation to reduce the number of shake iterations
+Shake-SOR                = no
+; Relative tolerance of shake
+shake-tol                = 0.0001
+; Highest order in the expansion of the constraint coupling matrix
+lincs-order              = 4
+; Number of iterations in the final step of LINCS. 1 is fine for
+; normal simulations, but use 2 to conserve energy in NVE runs.
+; For energy minimization with constraints it should be 4 to 8.
+lincs-iter               = 1
+; Lincs will write a warning to the stderr if in one step a bond
+; rotates over more degrees than
+lincs-warnangle          = 30
+; Convert harmonic bonds to morse potentials
+morse                    = no
+
+; ENERGY GROUP EXCLUSIONS
+; Pairs of energy groups for which all non-bonded interactions are excluded
+energygrp-excl           = 
+
+; WALLS                
+; Number of walls, type, atom types, densities and box-z scale factor for Ewald
+nwall                    = 0
+wall-type                = 9-3
+wall-r-linpot            = -1
+wall-atomtype            = 
+wall-density             = 
+wall-ewald-zfac          = 3
+
+; COM PULLING          
+pull                     = no
+
+; AWH biasing          
+awh                      = no
+
+; ENFORCED ROTATION    
+; Enforced rotation: No or Yes
+rotation                 = no
+
+; Group to display and/or manipulate in interactive MD session
+IMD-group                = 
+
+; NMR refinement stuff 
+; Distance restraints type: No, Simple or Ensemble
+disre                    = No
+; Force weighting of pairs in one distance restraint: Conservative or Equal
+disre-weighting          = Conservative
+; Use sqrt of the time averaged times the instantaneous violation
+disre-mixed              = no
+disre-fc                 = 1000
+disre-tau                = 0
+; Output frequency for pair distances to energy file
+nstdisreout              = 100
+; Orientation restraints: No or Yes
+orire                    = no
+; Orientation restraints force constant and tau for time averaging
+orire-fc                 = 0
+orire-tau                = 0
+orire-fitgrp             = 
+; Output frequency for trace(SD) and S to energy file
+nstorireout              = 100
+
+; Free energy variables
+free-energy              = no
+couple-moltype           = 
+couple-lambda0           = vdw-q
+couple-lambda1           = vdw-q
+couple-intramol          = no
+init-lambda              = -1
+init-lambda-state        = -1
+delta-lambda             = 0
+nstdhdl                  = 50
+fep-lambdas              = 
+mass-lambdas             = 
+coul-lambdas             = 
+vdw-lambdas              = 
+bonded-lambdas           = 
+restraint-lambdas        = 
+temperature-lambdas      = 
+calc-lambda-neighbors    = 1
+init-lambda-weights      = 
+dhdl-print-energy        = no
+sc-alpha                 = 0
+sc-power                 = 1
+sc-r-power               = 6
+sc-sigma                 = 0.3
+sc-coul                  = no
+separate-dhdl-file       = yes
+dhdl-derivatives         = yes
+dh_hist_size             = 0
+dh_hist_spacing          = 0.1
+
+; Non-equilibrium MD stuff
+acc-grps                 = 
+accelerate               = 
+freezegrps               = 
+freezedim                = 
+cos-acceleration         = 0
+deform                   = 
+
+; simulated tempering variables
+simulated-tempering      = no
+simulated-tempering-scaling = geometric
+sim-temp-low             = 300
+sim-temp-high            = 300
+
+; Ion/water position swapping for computational electrophysiology setups
+; Swap positions along direction: no, X, Y, Z
+swapcoords               = no
+adress                   = no
+
+; User defined thingies
+user1-grps               = 
+user2-grps               = 
+userint1                 = 0
+userint2                 = 0
+userint3                 = 0
+userint4                 = 0
+userreal1                = 0
+userreal2                = 0
+userreal3                = 0
+userreal4                = 0
+; Electric fields
+; Format for electric-field-x, etc. is: four real variables:
+; amplitude (V/nm), frequency omega (1/ps), time for the pulse peak (ps),
+; and sigma (ps) width of the pulse. Omega = 0 means static field,
+; sigma = 0 means no pulse, leaving the field to be a cosine function.
+electric-field-x         = 0 0 0 0
+electric-field-y         = 0 0 0 0
+electric-field-z         = 0 0 0 0