-/* -*- mode: c; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; c-file-style: "stroustrup"; -*-
+/*
+ * This file is part of the GROMACS molecular simulation package.
*
+ * Copyright (c) 2012,2013,2014, by the GROMACS development team, led by
+ * Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl,
+ * and including many others, as listed in the AUTHORS file in the
+ * top-level source directory and at http://www.gromacs.org.
*
- * This source code is part of
- *
- * G R O M A C S
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- * Written by David van der Spoel, Erik Lindahl, Berk Hess, and others.
- * Copyright (c) 1991-2000, University of Groningen, The Netherlands.
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- * check out http://www.gromacs.org for more information.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
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+ * consider that scientific software is very special. Version
+ * control is crucial - bugs must be traceable. We will be happy to
+ * consider code for inclusion in the official distribution, but
+ * derived work must not be called official GROMACS. Details are found
+ * in the README & COPYING files - if they are missing, get the
+ * official version at http://www.gromacs.org.
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*/
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
+#include "gmxpre.h"
-#include <stdio.h>
#include <math.h>
-#include "typedefs.h"
-#include "string2.h"
-#include "smalloc.h"
-#include "names.h"
-#include "mvdata.h"
-#include "txtdump.h"
-#include "pbc.h"
-#include "chargegroup.h"
-#include "vec.h"
-#include "nrnb.h"
-#include "mshift.h"
-#include "mdrun.h"
-#include "update.h"
-#include "physics.h"
-#include "main.h"
-#include "mdatoms.h"
-#include "force.h"
-#include "bondf.h"
-#include "pme.h"
-#include "disre.h"
-#include "orires.h"
-#include "network.h"
-#include "calcmu.h"
-#include "constr.h"
-#include "xvgr.h"
-#include "gmx_random.h"
-#include "domdec.h"
-#include "partdec.h"
-#include "macros.h"
+#include <stdio.h>
#include "gromacs/fileio/confio.h"
#include "gromacs/fileio/gmxfio.h"
#include "gromacs/fileio/trnio.h"
#include "gromacs/fileio/xtcio.h"
+#include "gromacs/legacyheaders/calcmu.h"
+#include "gromacs/legacyheaders/chargegroup.h"
+#include "gromacs/legacyheaders/constr.h"
+#include "gromacs/legacyheaders/disre.h"
+#include "gromacs/legacyheaders/domdec.h"
+#include "gromacs/legacyheaders/force.h"
+#include "gromacs/legacyheaders/macros.h"
+#include "gromacs/legacyheaders/mdatoms.h"
+#include "gromacs/legacyheaders/mdrun.h"
+#include "gromacs/legacyheaders/names.h"
+#include "gromacs/legacyheaders/network.h"
+#include "gromacs/legacyheaders/nrnb.h"
+#include "gromacs/legacyheaders/orires.h"
+#include "gromacs/legacyheaders/pme.h"
+#include "gromacs/legacyheaders/txtdump.h"
+#include "gromacs/legacyheaders/typedefs.h"
+#include "gromacs/legacyheaders/update.h"
+#include "gromacs/math/units.h"
+#include "gromacs/math/vec.h"
+#include "gromacs/random/random.h"
#include "gromacs/timing/wallcycle.h"
+#include "gromacs/utility/fatalerror.h"
#include "gromacs/utility/gmxmpi.h"
+#include "gromacs/utility/smalloc.h"
static void init_df_history_weights(df_history_t *dfhist, t_expanded *expand, int nlim)
{
/* Eventually should contain all the functions needed to initialize expanded ensemble
before the md loop starts */
-extern void init_expanded_ensemble(gmx_bool bStateFromCP, t_inputrec *ir, gmx_rng_t *mcrng, df_history_t *dfhist)
+extern void init_expanded_ensemble(gmx_bool bStateFromCP, t_inputrec *ir, df_history_t *dfhist)
{
- *mcrng = gmx_rng_init(ir->expandedvals->lmc_seed);
if (!bStateFromCP)
{
- init_df_history_weights(dfhist,ir->expandedvals,ir->fepvals->n_lambda);
+ init_df_history_weights(dfhist, ir->expandedvals, ir->fepvals->n_lambda);
}
}
return bIfFlat;
}
-static gmx_bool CheckIfDoneEquilibrating(int nlim, t_expanded *expand, df_history_t *dfhist, gmx_large_int_t step)
+static gmx_bool CheckIfDoneEquilibrating(int nlim, t_expanded *expand, df_history_t *dfhist, gmx_int64_t step)
{
int i, totalsamples;
}
static gmx_bool UpdateWeights(int nlim, t_expanded *expand, df_history_t *dfhist,
- int fep_state, real *scaled_lamee, real *weighted_lamee, gmx_large_int_t step)
+ int fep_state, real *scaled_lamee, real *weighted_lamee, gmx_int64_t step)
{
real maxdiff = 0.000000001;
gmx_bool bSufficientSamples;
real clam_varm, clam_varp, clam_weightsm, clam_weightsp, clam_minvar;
real *lam_weights, *lam_minvar_corr, *lam_variance, *lam_dg;
double *p_k;
- double pks = 0;
+ double pks = 0;
real *numweighted_lamee, *logfrac;
int *nonzero;
real chi_m1_0, chi_p1_0, chi_m2_0, chi_p2_0, chi_p1_m1, chi_p2_m1, chi_m1_p1, chi_m2_p1;
return FALSE;
}
-static int ChooseNewLambda(int nlim, t_expanded *expand, df_history_t *dfhist, int fep_state, real *weighted_lamee, double *p_k, gmx_rng_t rng)
+static int ChooseNewLambda(int nlim, t_expanded *expand, df_history_t *dfhist, int fep_state, real *weighted_lamee, double *p_k,
+ gmx_int64_t seed, gmx_int64_t step)
{
/* Choose new lambda value, and update transition matrix */
for (i = 0; i < expand->lmc_repeats; i++)
{
+ double rnd[2];
+
+ gmx_rng_cycle_2uniform(step, i, seed, RND_SEED_EXPANDED, rnd);
for (ifep = 0; ifep < nlim; ifep++)
{
accept[ifep] = 1.0;
}
/* Gibbs sampling */
- r1 = gmx_rng_uniform_real(rng);
+ r1 = rnd[0];
for (lamnew = minfep; lamnew <= maxfep; lamnew++)
{
if (r1 <= p_k[lamnew])
}
}
- r1 = gmx_rng_uniform_real(rng);
+ r1 = rnd[0];
for (lamtrial = minfep; lamtrial <= maxfep; lamtrial++)
{
pnorm = p_k[lamtrial]/remainder[fep_state];
{
tprob = trialprob;
}
- r2 = gmx_rng_uniform_real(rng);
+ r2 = rnd[1];
if (r2 < tprob)
{
lamnew = lamtrial;
if (lamnew > maxfep)
{
/* it's possible some rounding is failing */
- if (gmx_within_tol(remainder[fep_state],0,50*GMX_DOUBLE_EPS))
+ if (gmx_within_tol(remainder[fep_state], 0, 50*GMX_DOUBLE_EPS))
{
/* numerical rounding error -- no state other than the original has weight */
lamnew = fep_state;
else if ((expand->elmcmove == elmcmoveMETROPOLIS) || (expand->elmcmove == elmcmoveBARKER))
{
/* use the metropolis sampler with trial +/- 1 */
- r1 = gmx_rng_uniform_real(rng);
+ r1 = rnd[0];
if (r1 < 0.5)
{
if (fep_state == 0)
accept[lamtrial] = 1.0;
}
- r2 = gmx_rng_uniform_real(rng);
+ r2 = rnd[1];
if (r2 < tprob)
{
lamnew = lamtrial;
/* print out the weights to the log, along with current state */
extern void PrintFreeEnergyInfoToFile(FILE *outfile, t_lambda *fep, t_expanded *expand, t_simtemp *simtemp, df_history_t *dfhist,
- int fep_state, int frequency, gmx_large_int_t step)
+ int fep_state, int frequency, gmx_int64_t step)
{
int nlim, i, ifep, jfep;
real dw, dg, dv, dm, Tprint;
}
}
-extern void get_mc_state(gmx_rng_t rng, t_state *state)
-{
- gmx_rng_get_state(rng, state->mc_rng, state->mc_rngi);
-}
-
-extern void set_mc_state(gmx_rng_t rng, t_state *state)
-{
- gmx_rng_set_state(rng, state->mc_rng, state->mc_rngi[0]);
-}
-
extern int ExpandedEnsembleDynamics(FILE *log, t_inputrec *ir, gmx_enerdata_t *enerd,
t_state *state, t_extmass *MassQ, int fep_state, df_history_t *dfhist,
- gmx_large_int_t step, gmx_rng_t mcrng,
+ gmx_int64_t step,
rvec *v, t_mdatoms *mdatoms)
/* Note that the state variable is only needed for simulated tempering, not
Hamiltonian expanded ensemble. May be able to remove it after integrator refactoring. */
}
}
- lamnew = ChooseNewLambda(nlim, expand, dfhist, fep_state, weighted_lamee, p_k, mcrng);
+ lamnew = ChooseNewLambda(nlim, expand, dfhist, fep_state, weighted_lamee, p_k,
+ ir->expandedvals->lmc_seed, step);
/* if using simulated tempering, we need to adjust the temperatures */
if (ir->bSimTemp && (lamnew != fep_state)) /* only need to change the temperatures if we change the state */
{
/* we don't need to manipulate the ekind information, as it isn't due to be reset until the next step anyway */
- nstart = mdatoms->start;
- nend = nstart + mdatoms->homenr;
+ nstart = 0;
+ nend = mdatoms->homenr;
for (n = nstart; n < nend; n++)
{
gt = 0;
biod.pnpi.spb.ru / alexxy / gromacs.git / blobdiff