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python-pygmx/pygmx/mdtypes.pxd
2016-03-30 11:52:02 +02:00

183 lines
14 KiB
Cython

from utility cimport *
from math cimport *
cdef extern from "gromacs/legacyheaders/types/energy.h":
ctypedef struct t_energy:
real e
double eav
double esum
cdef extern from "gromacs/legacyheaders/types/inputrec.h":
ctypedef struct t_simtemp:
pass
ctypedef struct t_lambda:
pass
ctypedef struct t_expanded:
pass
ctypedef struct t_rot:
pass
ctypedef struct t_IMD:
pass
ctypedef struct t_grpopts:
int ngtc
real *ref_t # Coupling temperature per group */
ctypedef struct t_cosines:
pass
ctypedef struct t_swapcoords:
pass
ctypedef struct t_inputrec:
int eI # Integration method */
int nsteps # number of steps to be taken */
int simulation_part # Used in checkpointing to separate chunks */
int init_step # start at a stepcount >0 (used w. convert-tpr) */
int nstcalcenergy # frequency of energy calc. and T/P coupl. upd. */
int cutoff_scheme # group or verlet cutoffs */
int ns_type # which ns method should we use? */
int nstlist # number of steps before pairlist is generated */
int ndelta # number of cells per rlong */
int nstcomm # number of steps after which center of mass */
# motion is removed */
int comm_mode # Center of mass motion removal algorithm */
int nstlog # number of steps after which print to logfile */
int nstxout # number of steps after which X is output */
int nstvout # id. for V */
int nstfout # id. for F */
int nstenergy # number of steps after which energies printed */
int nstxout_compressed # id. for compressed trj (.xtc,.tng) */
double init_t # initial time (ps) */
double delta_t # time step (ps) */
double x_compression_precision # precision of x in compressed trajectory file */
double fourier_spacing # requested fourier_spacing, when nk? not set */
int nkx, nky, nkz # number of k vectors in each spatial dimension*/
# for fourier methods for long range electrost.*/
int pme_order # interpolation order for PME */
double ewald_rtol # double space tolerance for Ewald, determines */
# the double/reciprocal space relative weight */
double ewald_rtol_lj # double space tolerance for LJ-Ewald */
int ewald_geometry # normal/3d ewald, or pseudo-2d LR corrections */
double epsilon_surface # Epsilon for PME dipole correction */
int ljpme_combination_rule # Type of combination rule in LJ-PME */
int ePBC # Type of periodic boundary conditions */
int bPeriodicMols # Periodic molecules */
bint bContinuation # Continuation run: starting state is correct */
int etc # temperature coupling */
int nsttcouple # interval in steps for temperature coupling */
bint bPrintNHChains # whether to print nose-hoover chains */
int epc # pressure coupling */
int epct # pressure coupling type */
int nstpcouple # interval in steps for pressure coupling */
double tau_p # pressure coupling time (ps) */
tensor ref_p # reference pressure (kJ/(mol nm^3)) */
tensor compress # compressability ((mol nm^3)/kJ) */
int refcoord_scaling # How to scale absolute reference coordinates */
rvec posres_com # The COM of the posres atoms */
rvec posres_comB # The B-state COM of the posres atoms */
int andersen_seed # Random seed for Andersen thermostat (obsolete) */
double verletbuf_tol # Per atom pair energy drift tolerance (kJ/mol/ps/atom) for list buffer */
double rlist # short range pairlist cut-off (nm) */
double rtpi # Radius for test particle insertion */
int coulombtype # Type of electrostatics treatment */
int coulomb_modifier # Modify the Coulomb interaction */
double rcoulomb_switch # Coulomb switch range start (nm) */
double rcoulomb # Coulomb cutoff (nm) */
double epsilon_r # relative dielectric constant */
double epsilon_rf # relative dielectric constant of the RF */
int implicit_solvent # No (=explicit water), or GBSA solvent models */
int gb_algorithm # Algorithm to use for calculation Born radii */
int nstgbradii # Frequency of updating Generalized Born radii */
double rgbradii # Cutoff for GB radii calculation */
double gb_saltconc # Salt concentration (M) for GBSA models */
double gb_epsilon_solvent # dielectric coeff. of implicit solvent */
double gb_obc_alpha # 1st scaling factor for Bashford-Case GB */
double gb_obc_beta # 2nd scaling factor for Bashford-Case GB */
double gb_obc_gamma # 3rd scaling factor for Bashford-Case GB */
double gb_dielectric_offset # Dielectric offset for Still/HCT/OBC */
int sa_algorithm # Algorithm for SA part of GBSA */
double sa_surface_tension # Energy factor for SA part of GBSA */
int vdwtype # Type of Van der Waals treatment */
int vdw_modifier # Modify the VdW interaction */
double rvdw_switch # Van der Waals switch range start (nm) */
double rvdw # Van der Waals cutoff (nm) */
int eDispCorr # Perform Long range dispersion corrections */
double tabext # Extension of the table beyond the cut-off, *
# * as well as the table length for 1-4 interac. */
double shake_tol # tolerance for shake */
int efep # free energy calculations */
t_lambda *fepvals # Data for the FEP state */
bint bSimTemp # Whether to do simulated tempering */
t_simtemp *simtempvals # Variables for simulated tempering */
bint bExpanded # Whether expanded ensembles are used */
t_expanded *expandedvals # Expanded ensemble parameters */
int eDisre # Type of distance restraining */
double dr_fc # force constant for ta_disre */
int eDisreWeighting # type of weighting of pairs in one restraints */
bint bDisreMixed # Use comb of time averaged and instan. viol's */
int nstdisreout # frequency of writing pair distances to enx */
double dr_tau # time constant for memory function in disres */
double orires_fc # force constant for orientational restraints */
double orires_tau # time constant for memory function in orires */
int nstorireout # frequency of writing tr(SD) to enx */
double em_stepsize # The stepsize for updating */
double em_tol # The tolerance */
int niter # Number of iterations for convergence of */
# steepest descent in relax_shells */
double fc_stepsize # Stepsize for directional minimization */
# in relax_shells */
int nstcgsteep # number of steps after which a steepest */
# descents step is done while doing cg */
int nbfgscorr # Number of corrections to the hessian to keep */
int eConstrAlg # Type of constraint algorithm */
int nProjOrder # Order of the LINCS Projection Algorithm */
double LincsWarnAngle # If bond rotates more than %g degrees, warn */
int nLincsIter # Number of iterations in the final Lincs step */
bint bShakeSOR # Use successive overrelaxation for shake */
double bd_fric # Friction coefficient for BD (amu/ps) */
int ld_seed # Random seed for SD and BD */
int nwall # The number of walls */
int wall_type # The type of walls */
double wall_r_linpot # The potentail is linear for r<=wall_r_linpot */
int wall_atomtype[2] # The atom type for walls */
double wall_density[2] # Number density for walls */
double wall_ewald_zfac # Scaling factor for the box for Ewald */
# COM pulling data */
bint bPull # Do we do COM pulling? */
#struct pull_params_t *pull # The data for center of mass pulling */
#struct pull_t *pull_work # The COM pull force calculation data structure TODO this pointer should live somewhere else */
# Enforced rotation data */
bint bRot # Calculate enforced rotation potential(s)? */
t_rot *rot # The data for enforced rotation potentials */
int eSwapCoords # Do ion/water position exchanges (CompEL)? */
t_swapcoords *swap
bint bIMD # Allow interactive MD sessions for this .tpr? */
t_IMD *imd # Interactive molecular dynamics */
double cos_accel # Acceleration for viscosity calculation */
tensor deform # Triclinic deformation velocities (nm/ps) */
int userint1 # User determined parameters */
int userint2
int userint3
int userint4
double userdouble1
double userdouble2
double userdouble3
double userdouble4
t_grpopts opts # Group options */
t_cosines ex[0] # Electric field stuff (spatial part) */
t_cosines et[0] # Electric field stuff (time part) */
bint bQMMM # QM/MM calculation */
int QMconstraints # constraints on QM bonds */
int QMMMscheme # Scheme: ONIOM or normal */
double scalefactor # factor for scaling the MM charges in QM calc.*/
# Fields for removed features go here (better caching) */
bint bAdress # Whether AdResS is enabled - always false if a valid .tpr was read
bint useTwinRange # Whether twin-range scheme is active - always false if a valid .tpr was read