*
* Copyright (c) 1991-2000, University of Groningen, The Netherlands.
* Copyright (c) 2001-2004, The GROMACS development team.
- * Copyright (c) 2013,2014,2015,2016,2017,2018, by the GROMACS development team, led by
+ * Copyright (c) 2013,2014,2015,2016,2017 by the GROMACS development team.
+ * Copyright (c) 2018,2019,2020,2021, 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.
#include <cstring>
#include <algorithm>
-#include <sstream>
#include "gromacs/commandline/pargs.h"
#include "gromacs/fileio/tpxio.h"
#include "gromacs/math/vec.h"
#include "gromacs/mdtypes/inputrec.h"
#include "gromacs/mdtypes/md_enums.h"
-#include "gromacs/mdtypes/pull-params.h"
+#include "gromacs/mdtypes/pull_params.h"
#include "gromacs/mdtypes/state.h"
#include "gromacs/pulling/pull.h"
#include "gromacs/random/tabulatednormaldistribution.h"
#include "gromacs/utility/fatalerror.h"
#include "gromacs/utility/futil.h"
#include "gromacs/utility/gmxomp.h"
+#include "gromacs/utility/path.h"
#include "gromacs/utility/pleasecite.h"
#include "gromacs/utility/smalloc.h"
/*! \brief
* enum for energy units
*/
-enum {
- enSel, en_kJ, en_kCal, en_kT, enNr
+enum
+{
+ enSel,
+ en_kJ,
+ en_kCal,
+ en_kT,
+ enNr
};
/*! \brief
- * enum for type of input files (pdos, tpr, or pullf)
+ * enum for type of input files (tpr or pullx/pullf)
*/
-enum {
- whamin_unknown, whamin_tpr, whamin_pullxf, whamin_pdo
+enum
+{
+ whamin_unknown,
+ whamin_tpr,
+ whamin_pullxf,
};
/*! \brief enum for bootstrapping method
* J Chem Theory Comput, 6(12), 3713-3720 (2010)
* ********************************************************************
*/
-enum {
- bsMethod_unknown, bsMethod_BayesianHist, bsMethod_hist,
- bsMethod_traj, bsMethod_trajGauss
+enum
+{
+ bsMethod_unknown,
+ bsMethod_BayesianHist,
+ bsMethod_hist,
+ bsMethod_traj,
+ bsMethod_trajGauss
};
-//! Parameters of one pull coodinate
+//! Parameters of one pull coordinate
typedef struct
{
- int pull_type; //!< such as constraint, umbrella, ...
- int geometry; //!< such as distance, direction, cylinder
- int ngroup; //!< the number of pull groups involved
- ivec dim; //!< pull dimension with geometry distance
- int ndim; //!< nr of pull_dim != 0
- real k; //!< force constants in tpr file
- real init_dist; //!< reference displacement
- char coord_unit[256]; //!< unit of the displacement
+ PullingAlgorithm pull_type; //!< such as constraint, umbrella, ...
+ PullGroupGeometry geometry; //!< such as distance, direction, cylinder
+ int ngroup; //!< the number of pull groups involved
+ ivec dim; //!< pull dimension with geometry distance
+ int ndim; //!< nr of pull_dim != 0
+ real k; //!< force constants in tpr file
+ real init_dist; //!< reference displacement
+ char coord_unit[256]; //!< unit of the displacement
} t_pullcoord;
//! Parameters of the umbrella potentials
*/
/*!\{*/
int npullcrds; //!< nr of umbrella pull coordinates for reading
- t_pullcoord *pcrd; //!< the pull coordinates
+ t_pullcoord* pcrd; //!< the pull coordinates
gmx_bool bPrintCOM; //!< COMs of pull groups writtn in pullx.xvg
gmx_bool bPrintRefValue; //!< Reference value for the coordinate written in pullx.xvg
gmx_bool bPrintComp; //!< Components of pull distance written to pullx.xvg ?
/*!\}*/
- /*!
- * \name Using PDO files common until gromacs 3.x
- */
- /*!\{*/
- int nSkip;
- char Reference[256];
- int nPull;
- int nDim;
- ivec Dims;
- char PullName[4][256];
- double UmbPos[4][3];
- double UmbCons[4][3];
- /*!\}*/
} t_UmbrellaHeader;
//! Data in the umbrella histograms
typedef struct
{
- int nPull; //!< nr of pull groups in this pdo or pullf/x file
- double **Histo; //!< nPull histograms
- double **cum; //!< nPull cumulative distribution functions
- int nBin; //!< nr of bins. identical to opt->bins
- double *k; //!< force constants for the nPull coords
- double *pos; //!< umbrella positions for the nPull coords
- double *z; //!< z=(-Fi/kT) for the nPull coords. These values are iteratively computed during wham
- int *N; //!< nr of data points in nPull histograms.
- int *Ntot; //!< also nr of data points. N and Ntot only differ if bHistEq==TRUE
+ int nPull; //!< nr of pull groups in this pullf/pullx file
+ double** Histo; //!< nPull histograms
+ double** cum; //!< nPull cumulative distribution functions
+ int nBin; //!< nr of bins. identical to opt->bins
+ double* k; //!< force constants for the nPull coords
+ double* pos; //!< umbrella positions for the nPull coords
+ double* z; //!< z=(-Fi/kT) for the nPull coords. These values are iteratively computed during wham
+ int* N; //!< nr of data points in nPull histograms.
+ int* Ntot; //!< also nr of data points. N and Ntot only differ if bHistEq==TRUE
/*! \brief g = 1 + 2*tau[int]/dt where tau is the integrated autocorrelation time.
*
* Compare, e.g. Ferrenberg/Swendsen, PRL 63:1195 (1989),
* Kumar et al, J Comp Chem 13, 1011-1021 (1992), eq. 28
*/
- double *g;
- double *tau; //!< intetrated autocorrelation time (IACT)
- double *tausmooth; //!< smoothed IACT
+ double* g;
+ double* tau; //!< intetrated autocorrelation time (IACT)
+ double* tausmooth; //!< smoothed IACT
- double dt; //!< timestep in the input data. Can be adapted with gmx wham option -dt
+ double dt; //!< timestep in the input data. Can be adapted with gmx wham option -dt
/*! \brief TRUE, if any data point of the histogram is within min and max, otherwise FALSE */
- gmx_bool **bContrib;
- real **ztime; //!< input data z(t) as a function of time. Required to compute ACTs
+ gmx_bool** bContrib;
+ real** ztime; //!< input data z(t) as a function of time. Required to compute ACTs
/*! \brief average force estimated from average displacement, fAv=dzAv*k
*
* Used for integration to guess the potential.
*/
- real *forceAv;
- real *aver; //!< average of histograms
- real *sigma; //!< stddev of histograms
- double *bsWeight; //!< for bootstrapping complete histograms with continuous weights
+ real* forceAv;
+ real* aver; //!< average of histograms
+ real* sigma; //!< stddev of histograms
+ double* bsWeight; //!< for bootstrapping complete histograms with continuous weights
} t_UmbrellaWindow;
//! Selection of pull coordinates to be used in WHAM (one structure for each tpr file)
typedef struct
{
- int n; //!< total nr of pull coords in this tpr file
- int nUse; //!< nr of pull coords used
- gmx_bool *bUse; //!< boolean array of size n. =1 if used, =0 if not
+ int n; //!< total nr of pull coords in this tpr file
+ int nUse; //!< nr of pull coords used
+ gmx_bool* bUse; //!< boolean array of size n. =1 if used, =0 if not
} t_coordselection;
//! Parameters of WHAM
-typedef struct // NOLINT(clang-analyzer-optin.performance.Padding)
+typedef struct UmbrellaOptions // NOLINT(clang-analyzer-optin.performance.Padding)
{
/*!
* \name Input stuff
*/
/*!\{*/
- const char *fnTpr, *fnPullf, *fnCoordSel;
- const char *fnPdo, *fnPullx; //!< file names of input
- gmx_bool bTpr, bPullf, bPdo, bPullx; //!< input file types given?
- real tmin, tmax, dt; //!< only read input within tmin and tmax with dt
-
- gmx_bool bInitPotByIntegration; //!< before WHAM, guess potential by force integration. Yields 1.5 to 2 times faster convergence
- int stepUpdateContrib; //!< update contribution table every ... iterations. Accelerates WHAM.
- int nCoordsel; //!< if >0: use only certain group in WHAM, if ==0: use all groups
- t_coordselection *coordsel; //!< for each tpr file: which pull coordinates to use in WHAM?
+ const char *fnTpr, *fnPullf, *fnCoordSel;
+ const char* fnPullx; //!< file names of input
+ gmx_bool bTpr, bPullf, bPullx; //!< input file types given?
+ real tmin, tmax, dt; //!< only read input within tmin and tmax with dt
+
+ gmx_bool bInitPotByIntegration; //!< before WHAM, guess potential by force integration. Yields 1.5 to 2 times faster convergence
+ int stepUpdateContrib; //!< update contribution table every ... iterations. Accelerates WHAM.
+ int nCoordsel; //!< if >0: use only certain group in WHAM, if ==0: use all groups
+ t_coordselection* coordsel; //!< for each tpr file: which pull coordinates to use in WHAM?
/*!\}*/
/*!
* \name Basic WHAM options
*/
/*!\{*/
- int bins; //!< nr of bins, min, max, and dz of profile
- real min, max, dz;
- real Temperature, Tolerance; //!< temperature, converged when probability changes less than Tolerance
- gmx_bool bCycl; //!< generate cyclic (periodic) PMF
+ int bins; //!< nr of bins, min, max, and dz of profile
+ real min, max, dz;
+ real Temperature, Tolerance; //!< temperature, converged when probability changes less than Tolerance
+ gmx_bool bCycl; //!< generate cyclic (periodic) PMF
/*!\}*/
/*!
* \name Output control
*/
/*!\{*/
- gmx_bool bLog; //!< energy output (instead of probability) for profile
- int unit; //!< unit for PMF output kJ/mol or kT or kCal/mol
- gmx_bool bSym; //!< symmetrize PMF around z=0 after WHAM, useful for membranes etc.
+ gmx_bool bLog; //!< energy output (instead of probability) for profile
+ int unit; //!< unit for PMF output kJ/mol or kT or kCal/mol
+ gmx_bool bSym; //!< symmetrize PMF around z=0 after WHAM, useful for membranes etc.
/*! \brief after wham, set prof to zero at this z-position.
* When bootstrapping, set zProf0 to a "stable" reference position.
*/
- real zProf0;
- gmx_bool bProf0Set; //!< setting profile to 0 at zProf0?
+ real zProf0;
+ gmx_bool bProf0Set; //!< setting profile to 0 at zProf0?
- gmx_bool bBoundsOnly, bHistOnly; //!< determine min and max, or write histograms and exit
- gmx_bool bAuto; //!< determine min and max automatically but do not exit
+ gmx_bool bBoundsOnly, bHistOnly; //!< determine min and max, or write histograms and exit
+ gmx_bool bAuto; //!< determine min and max automatically but do not exit
- gmx_bool verbose; //!< more noisy wham mode
- int stepchange; //!< print maximum change in prof after how many interations
- gmx_output_env_t *oenv; //!< xvgr options
+ gmx_bool verbose; //!< more noisy wham mode
+ int stepchange; //!< print maximum change in prof after how many interations
+ gmx_output_env_t* oenv; //!< xvgr options
/*!\}*/
/*!
* \name Autocorrelation stuff
/*!\{*/
gmx_bool bTauIntGiven, bCalcTauInt; //!< IACT given or should be calculated?
real sigSmoothIact; //!< sigma of Gaussian to smooth ACTs
- gmx_bool bAllowReduceIact; //!< Allow to reduce ACTs during smoothing. Otherwise ACT are only increased during smoothing
- real acTrestart; //!< when computing ACT, time between restarting points
+ gmx_bool bAllowReduceIact; //!< Allow to reduce ACTs during smoothing. Otherwise ACT are only increased during smoothing
+ real acTrestart; //!< when computing ACT, time between restarting points
/* \brief Enforce the same weight for each umbella window, that is
* calculate with the same number of data points for
* \name Bootstrapping stuff
*/
/*!\{*/
- int nBootStrap; //!< nr of bootstraps (50 is usually enough)
+ int nBootStrap; //!< nr of bootstraps (50 is usually enough)
/* \brief bootstrap method
*
long the reaction coordinate xi. Avoids gaps along xi. */
int histBootStrapBlockLength;
- int bsSeed; //!< random seed for bootstrapping
+ int bsSeed; //!< random seed for bootstrapping
/* \brief Write cumulative distribution functions (CDFs) of histograms
and write the generated histograms for each bootstrap */
* \name tabulated umbrella potential stuff
*/
/*!\{*/
- gmx_bool bTab;
- double *tabX, *tabY, tabMin, tabMax, tabDz;
- int tabNbins;
+ gmx_bool bTab;
+ double * tabX, *tabY, tabMin, tabMax, tabDz;
+ int tabNbins;
/*!\}*/
- gmx::DefaultRandomEngine rng; //!< gromacs random number generator
- gmx::TabulatedNormalDistribution<> normalDistribution; //!< Uses default: real output, 14-bit table
+ gmx::DefaultRandomEngine rng; //!< gromacs random number generator
+ gmx::TabulatedNormalDistribution<> normalDistribution; //!< Uses default: real output, 14-bit table
} t_UmbrellaOptions;
//! Make an umbrella window (may contain several histograms)
-static t_UmbrellaWindow * initUmbrellaWindows(int nwin)
+static t_UmbrellaWindow* initUmbrellaWindows(int nwin)
{
- t_UmbrellaWindow *win;
+ t_UmbrellaWindow* win;
int i;
snew(win, nwin);
for (i = 0; i < nwin; i++)
{
- win[i].Histo = win[i].cum = nullptr;
- win[i].k = win[i].pos = win[i].z = nullptr;
- win[i].N = win[i].Ntot = nullptr;
- win[i].g = win[i].tau = win[i].tausmooth = nullptr;
- win[i].bContrib = nullptr;
- win[i].ztime = nullptr;
- win[i].forceAv = nullptr;
- win[i].aver = win[i].sigma = nullptr;
- win[i].bsWeight = nullptr;
+ win[i].Histo = win[i].cum = nullptr;
+ win[i].k = win[i].pos = win[i].z = nullptr;
+ win[i].N = win[i].Ntot = nullptr;
+ win[i].g = win[i].tau = win[i].tausmooth = nullptr;
+ win[i].bContrib = nullptr;
+ win[i].ztime = nullptr;
+ win[i].forceAv = nullptr;
+ win[i].aver = win[i].sigma = nullptr;
+ win[i].bsWeight = nullptr;
}
return win;
}
//! Delete an umbrella window (may contain several histograms)
-static void freeUmbrellaWindows(t_UmbrellaWindow *win, int nwin)
+static void freeUmbrellaWindows(t_UmbrellaWindow* win, int nwin)
{
int i, j;
for (i = 0; i < nwin; i++)
/*! \brief
* Read and setup tabulated umbrella potential
*/
-static void setup_tab(const char *fn, t_UmbrellaOptions *opt)
+static void setup_tab(const char* fn, t_UmbrellaOptions* opt)
{
int i, ny, nl;
- double **y;
+ double** y;
printf("Setting up tabulated potential from file %s\n", fn);
nl = read_xvg(fn, &y, &ny);
gmx_fatal(FARGS, "Found %d columns in %s. Expected 2.\n", ny, fn);
}
opt->tabMin = y[0][0];
- opt->tabMax = y[0][nl-1];
- opt->tabDz = (opt->tabMax-opt->tabMin)/(nl-1);
+ opt->tabMax = y[0][nl - 1];
+ opt->tabDz = (opt->tabMax - opt->tabMin) / (nl - 1);
if (opt->tabDz <= 0)
{
- gmx_fatal(FARGS, "The tabulated potential in %s must be provided in \n"
- "ascending z-direction", fn);
+ gmx_fatal(FARGS,
+ "The tabulated potential in %s must be provided in \n"
+ "ascending z-direction",
+ fn);
}
- for (i = 0; i < nl-1; i++)
+ for (i = 0; i < nl - 1; i++)
{
- if (std::abs(y[0][i+1]-y[0][i]-opt->tabDz) > opt->tabDz/1e6)
+ if (std::abs(y[0][i + 1] - y[0][i] - opt->tabDz) > opt->tabDz / 1e6)
{
- gmx_fatal(FARGS, "z-values in %d are not equally spaced.\n", ny, fn);
+ gmx_fatal(FARGS, "z-values in %s are not equally spaced.\n", fn);
}
}
snew(opt->tabY, nl);
opt->tabY[i] = y[1][i];
}
printf("Found equally spaced tabulated potential from %g to %g, spacing %g\n",
- opt->tabMin, opt->tabMax, opt->tabDz);
-}
-
-//! Read the header of an PDO file (position, force const, nr of groups)
-static void read_pdo_header(FILE * file, t_UmbrellaHeader * header, t_UmbrellaOptions *opt)
-{
- char line[2048];
- char Buffer0[256], Buffer1[256], Buffer2[256], Buffer3[256], Buffer4[256];
- int i;
- std::istringstream ist;
-
- /* line 1 */
- if (fgets(line, 2048, file) == nullptr)
- {
- gmx_fatal(FARGS, "Error reading header from pdo file\n");
- }
- ist.str(line);
- ist >> Buffer0 >> Buffer1 >> Buffer2;
- if (std::strcmp(Buffer1, "UMBRELLA") != 0)
- {
- gmx_fatal(FARGS, "This does not appear to be a valid pdo file. Found %s, expected %s\n"
- "(Found in first line: `%s')\n",
- Buffer1, "UMBRELLA", line);
- }
- if (std::strcmp(Buffer2, "3.0") != 0)
- {
- gmx_fatal(FARGS, "This does not appear to be a version 3.0 pdo file");
- }
-
- /* line 2 */
- if (fgets(line, 2048, file) == nullptr)
- {
- gmx_fatal(FARGS, "Error reading header from pdo file\n");
- }
- ist.str(line);
- ist >> Buffer0 >> Buffer1 >> Buffer2 >> header->Dims[0] >> header->Dims[1] >> header->Dims[2];
- /* printf("%d %d %d\n", header->Dims[0],header->Dims[1],header->Dims[2]); */
-
- header->nDim = header->Dims[0] + header->Dims[1] + header->Dims[2];
- if (header->nDim != 1)
- {
- gmx_fatal(FARGS, "Currently only supports one dimension");
- }
-
- /* line3 */
- if (fgets(line, 2048, file) == nullptr)
- {
- gmx_fatal(FARGS, "Error reading header from pdo file\n");
- }
- ist.str(line);
- ist >> Buffer0 >> Buffer1 >> header->nSkip;
-
- /* line 4 */
- if (fgets(line, 2048, file) == nullptr)
- {
- gmx_fatal(FARGS, "Error reading header from pdo file\n");
- }
- ist.str(line);
- ist >> Buffer0 >> Buffer1 >> Buffer2 >> header->Reference;
-
- /* line 5 */
- if (fgets(line, 2048, file) == nullptr)
- {
- gmx_fatal(FARGS, "Error reading header from pdo file\n");
- }
- ist.str(line);
- ist >> Buffer0 >> Buffer1 >> Buffer2 >> Buffer3 >> Buffer4 >> header->nPull;
-
- if (opt->verbose)
- {
- printf("\tFound nPull=%d , nSkip=%d, ref=%s\n", header->nPull, header->nSkip,
- header->Reference);
- }
-
- for (i = 0; i < header->nPull; ++i)
- {
- if (fgets(line, 2048, file) == nullptr)
- {
- gmx_fatal(FARGS, "Error reading header from pdo file\n");
- }
- ist.str(line);
- ist >> Buffer0 >> Buffer1 >> Buffer2 >> header->PullName[i];
- ist >> Buffer0 >> Buffer1 >> header->UmbPos[i][0];
- ist >> Buffer0 >> Buffer1 >> header->UmbCons[i][0];
-
- if (opt->verbose)
- {
- printf("\tpullgroup %d, pullname = %s, UmbPos = %g, UmbConst = %g\n",
- i, header->PullName[i], header->UmbPos[i][0], header->UmbCons[i][0]);
- }
- }
-
- if (fgets(line, 2048, file) == nullptr)
- {
- gmx_fatal(FARGS, "Cannot read from file\n");
- }
- ist.str(line);
- ist >> Buffer3;
- if (std::strcmp(Buffer3, "#####") != 0)
- {
- gmx_fatal(FARGS, "Expected '#####', found %s. Hick.\n", Buffer3);
- }
+ opt->tabMin,
+ opt->tabMax,
+ opt->tabDz);
}
//! smarter fgets
-static char *fgets3(FILE *fp, char ptr[], int *len)
+static char* fgets3(FILE* fp, char ptr[], int* len)
{
- char *p;
+ char* p;
int slen;
- if (fgets(ptr, *len-1, fp) == nullptr)
+ if (fgets(ptr, *len - 1, fp) == nullptr)
{
return nullptr;
}
{
/* This line is longer than len characters, let's increase len! */
*len += STRLEN;
- p += STRLEN;
+ p += STRLEN;
srenew(ptr, *len);
- if (fgets(p-1, STRLEN, fp) == nullptr)
+ if (fgets(p - 1, STRLEN, fp) == nullptr)
{
break;
}
}
slen = std::strlen(ptr);
- if (ptr[slen-1] == '\n')
+ if (ptr[slen - 1] == '\n')
{
- ptr[slen-1] = '\0';
+ ptr[slen - 1] = '\0';
}
return ptr;
}
-/*! \brief Read the data columns of and PDO file.
- *
- * TO DO: Get rid of the scanf function to avoid the clang warning.
- * At the moment, this warning is avoided by hiding the format string
- * the variable fmtlf.
- */
-static void read_pdo_data(FILE * file, t_UmbrellaHeader * header,
- int fileno, t_UmbrellaWindow * win,
- t_UmbrellaOptions *opt,
- gmx_bool bGetMinMax, real *mintmp, real *maxtmp)
-{
- int i, inttemp, bins, count, ntot;
- real minval, maxval, minfound = 1e20, maxfound = -1e20;
- double temp, time, time0 = 0, dt;
- char *ptr = nullptr;
- t_UmbrellaWindow * window = nullptr;
- gmx_bool timeok, dt_ok = 1;
- char *tmpbuf = nullptr, fmt[256], fmtign[256], fmtlf[5] = "%lf";
- int len = STRLEN, dstep = 1;
- const int blocklen = 4096;
- int *lennow = nullptr;
-
- if (!bGetMinMax)
- {
- bins = opt->bins;
- minval = opt->min;
- maxval = opt->max;
-
- window = win+fileno;
- /* Need to alocate memory and set up structure */
- window->nPull = header->nPull;
- window->nBin = bins;
-
- snew(window->Histo, window->nPull);
- snew(window->z, window->nPull);
- snew(window->k, window->nPull);
- snew(window->pos, window->nPull);
- snew(window->N, window->nPull);
- snew(window->Ntot, window->nPull);
- snew(window->g, window->nPull);
- snew(window->bsWeight, window->nPull);
-
- window->bContrib = nullptr;
-
- if (opt->bCalcTauInt)
- {
- snew(window->ztime, window->nPull);
- }
- else
- {
- window->ztime = nullptr;
- }
- snew(lennow, window->nPull);
-
- for (i = 0; i < window->nPull; ++i)
- {
- window->z[i] = 1;
- window->bsWeight[i] = 1.;
- snew(window->Histo[i], bins);
- window->k[i] = header->UmbCons[i][0];
- window->pos[i] = header->UmbPos[i][0];
- window->N[i] = 0;
- window->Ntot[i] = 0;
- window->g[i] = 1.;
- if (opt->bCalcTauInt)
- {
- window->ztime[i] = nullptr;
- }
- }
-
- /* Done with setup */
- }
- else
- {
- minfound = 1e20;
- maxfound = -1e20;
- minval = maxval = bins = 0; /* Get rid of warnings */
- }
-
- count = 0;
- snew(tmpbuf, len);
- while ( (ptr = fgets3(file, tmpbuf, &len)) != nullptr)
- {
- trim(ptr);
-
- if (ptr[0] == '#' || std::strlen(ptr) < 2)
- {
- continue;
- }
-
- /* Initiate format string */
- fmtign[0] = '\0';
- std::strcat(fmtign, "%*s");
-
- sscanf(ptr, fmtlf, &time); /* printf("Time %f\n",time); */
- /* Round time to fs */
- time = 1.0/1000*( static_cast<int64_t> (time*1000+0.5) );
-
- /* get time step of pdo file */
- if (count == 0)
- {
- time0 = time;
- }
- else if (count == 1)
- {
- dt = time-time0;
- if (opt->dt > 0.0)
- {
- dstep = static_cast<int>(opt->dt/dt+0.5);
- if (dstep == 0)
- {
- dstep = 1;
- }
- }
- if (!bGetMinMax)
- {
- window->dt = dt*dstep;
- }
- }
- count++;
-
- dt_ok = ((count-1)%dstep == 0);
- timeok = (dt_ok && time >= opt->tmin && time <= opt->tmax);
- /* if (opt->verbose)
- printf(" time = %f, (tmin,tmax)=(%e,%e), dt_ok=%d timeok=%d\n",
- time,opt->tmin, opt->tmax, dt_ok,timeok); */
-
- if (timeok)
- {
- for (i = 0; i < header->nPull; ++i)
- {
- std::strcpy(fmt, fmtign);
- std::strcat(fmt, "%lf"); /* Creating a format stings such as "%*s...%*s%lf" */
- std::strcat(fmtign, "%*s"); /* ignoring one more entry in the next loop */
- if (sscanf(ptr, fmt, &temp))
- {
- temp += header->UmbPos[i][0];
- if (bGetMinMax)
- {
- if (temp < minfound)
- {
- minfound = temp;
- }
- if (temp > maxfound)
- {
- maxfound = temp;
- }
- }
- else
- {
- if (opt->bCalcTauInt)
- {
- /* save time series for autocorrelation analysis */
- ntot = window->Ntot[i];
- if (ntot >= lennow[i])
- {
- lennow[i] += blocklen;
- srenew(window->ztime[i], lennow[i]);
- }
- window->ztime[i][ntot] = temp;
- }
-
- temp -= minval;
- temp /= (maxval-minval);
- temp *= bins;
- temp = std::floor(temp);
-
- inttemp = static_cast<int> (temp);
- if (opt->bCycl)
- {
- if (inttemp < 0)
- {
- inttemp += bins;
- }
- else if (inttemp >= bins)
- {
- inttemp -= bins;
- }
- }
-
- if (inttemp >= 0 && inttemp < bins)
- {
- window->Histo[i][inttemp] += 1.;
- window->N[i]++;
- }
- window->Ntot[i]++;
- }
- }
- }
- }
- if (time > opt->tmax)
- {
- if (opt->verbose)
- {
- printf("time %f larger than tmax %f, stop reading pdo file\n", time, opt->tmax);
- }
- break;
- }
- }
-
- if (bGetMinMax)
- {
- *mintmp = minfound;
- *maxtmp = maxfound;
- }
-
- sfree(lennow);
- sfree(tmpbuf);
-}
-
/*! \brief Set identical weights for all histograms
*
* Normally, the weight is given by the number data points in each
* by this routine (not recommended). Since we now support autocorrelations, it is better to set
* an appropriate autocorrelation times instead of using this function.
*/
-static void enforceEqualWeights(t_UmbrellaWindow * window, int nWindows)
+static void enforceEqualWeights(t_UmbrellaWindow* window, int nWindows)
{
int i, k, j, NEnforced;
double ratio;
NEnforced = window[0].Ntot[0];
printf("\nFound -hist-eq. Enforcing equal weights for all histograms, \ni.e. doing a "
- "non-weighted histogram analysis method. Ndata = %d\n", NEnforced);
+ "non-weighted histogram analysis method. Ndata = %d\n",
+ NEnforced);
/* enforce all histograms to have the same weight as the very first histogram */
for (j = 0; j < nWindows; ++j)
{
for (k = 0; k < window[j].nPull; ++k)
{
- ratio = 1.0*NEnforced/window[j].Ntot[k];
+ ratio = 1.0 * NEnforced / window[j].Ntot[k];
for (i = 0; i < window[0].nBin; ++i)
{
window[j].Histo[k][i] *= ratio;
}
- window[j].N[k] = static_cast<int>(ratio*window[j].N[k] + 0.5);
+ window[j].N[k] = gmx::roundToInt(ratio * window[j].N[k]);
}
}
}
/*! \brief Simple linear interpolation between two given tabulated points
*/
-static double tabulated_pot(double dist, t_UmbrellaOptions *opt)
+static double tabulated_pot(double dist, t_UmbrellaOptions* opt)
{
int jl, ju;
double pl, pu, dz, dp;
- jl = static_cast<int> (std::floor((dist-opt->tabMin)/opt->tabDz));
- ju = jl+1;
+ jl = static_cast<int>(std::floor((dist - opt->tabMin) / opt->tabDz));
+ ju = jl + 1;
if (jl < 0 || ju >= opt->tabNbins)
{
- gmx_fatal(FARGS, "Distance %f out of bounds of tabulated potential (jl=%d, ju=%d).\n"
- "Provide an extended table.", dist, jl, ju);
+ gmx_fatal(FARGS,
+ "Distance %f out of bounds of tabulated potential (jl=%d, ju=%d).\n"
+ "Provide an extended table.",
+ dist,
+ jl,
+ ju);
}
pl = opt->tabY[jl];
pu = opt->tabY[ju];
- dz = dist-opt->tabX[jl];
- dp = (pu-pl)*dz/opt->tabDz;
- return pl+dp;
+ dz = dist - opt->tabX[jl];
+ dp = (pu - pl) * dz / opt->tabDz;
+ return pl + dp;
}
* After rapid convergence (using only substiantal contributions), we always switch to
* full precision.
*/
-static void setup_acc_wham(const double *profile, t_UmbrellaWindow * window, int nWindows,
- t_UmbrellaOptions *opt)
+static void setup_acc_wham(const double* profile, t_UmbrellaWindow* window, int nWindows, t_UmbrellaOptions* opt)
{
- int i, j, k, nGrptot = 0, nContrib = 0, nTot = 0;
- double U, min = opt->min, dz = opt->dz, temp, ztot_half, distance, ztot, contrib1, contrib2;
- gmx_bool bAnyContrib;
- static int bFirst = 1;
+ int i, j, k, nGrptot = 0, nContrib = 0, nTot = 0;
+ double U, min = opt->min, dz = opt->dz, temp, ztot_half, distance, ztot, contrib1, contrib2;
+ gmx_bool bAnyContrib;
+ static int bFirst = 1;
static double wham_contrib_lim;
if (bFirst)
{
nGrptot += window[i].nPull;
}
- wham_contrib_lim = opt->Tolerance/nGrptot;
+ wham_contrib_lim = opt->Tolerance / nGrptot;
}
- ztot = opt->max-opt->min;
- ztot_half = ztot/2;
+ ztot = opt->max - opt->min;
+ ztot_half = ztot / 2;
for (i = 0; i < nWindows; ++i)
{
bAnyContrib = FALSE;
for (k = 0; k < opt->bins; ++k)
{
- temp = (1.0*k+0.5)*dz+min;
- distance = temp - window[i].pos[j]; /* distance to umbrella center */
+ temp = (1.0 * k + 0.5) * dz + min;
+ distance = temp - window[i].pos[j]; /* distance to umbrella center */
if (opt->bCycl)
- { /* in cyclic wham: */
- if (distance > ztot_half) /* |distance| < ztot_half */
+ { /* in cyclic wham: */
+ if (distance > ztot_half) /* |distance| < ztot_half */
{
distance -= ztot;
}
}
}
/* Note: there are two contributions to bin k in the wham equations:
- i) N[j]*exp(- U/(BOLTZ*opt->Temperature) + window[i].z[j])
- ii) exp(- U/(BOLTZ*opt->Temperature))
+ i) N[j]*exp(- U/(c_boltz*opt->Temperature) + window[i].z[j])
+ ii) exp(- U/(c_boltz*opt->Temperature))
where U is the umbrella potential
If any of these number is larger wham_contrib_lim, I set contrib=TRUE
*/
if (!opt->bTab)
{
- U = 0.5*window[i].k[j]*gmx::square(distance); /* harmonic potential assumed. */
+ U = 0.5 * window[i].k[j] * gmx::square(distance); /* harmonic potential assumed. */
}
else
{
- U = tabulated_pot(distance, opt); /* Use tabulated potential */
+ U = tabulated_pot(distance, opt); /* Use tabulated potential */
}
- contrib1 = profile[k]*std::exp(-U/(BOLTZ*opt->Temperature));
- contrib2 = window[i].N[j]*std::exp(-U/(BOLTZ*opt->Temperature) + window[i].z[j]);
+ contrib1 = profile[k] * std::exp(-U / (gmx::c_boltz * opt->Temperature));
+ contrib2 = window[i].N[j]
+ * std::exp(-U / (gmx::c_boltz * opt->Temperature) + window[i].z[j]);
window[i].bContrib[j][k] = (contrib1 > wham_contrib_lim || contrib2 > wham_contrib_lim);
- bAnyContrib = (bAnyContrib | window[i].bContrib[j][k]);
+ bAnyContrib = bAnyContrib || window[i].bContrib[j][k];
if (window[i].bContrib[j][k])
{
nContrib++;
if (bFirst)
{
printf("Initialized rapid wham stuff (contrib tolerance %g)\n"
- "Evaluating only %d of %d expressions.\n\n", wham_contrib_lim, nContrib, nTot);
+ "Evaluating only %d of %d expressions.\n\n",
+ wham_contrib_lim,
+ nContrib,
+ nTot);
}
if (opt->verbose)
{
- printf("Updated rapid wham stuff. (evaluating only %d of %d contributions)\n",
- nContrib, nTot);
+ printf("Updated rapid wham stuff. (evaluating only %d of %d contributions)\n", nContrib, nTot);
}
bFirst = 0;
}
//! Compute the PMF (one of the two main WHAM routines)
-static void calc_profile(double *profile, t_UmbrellaWindow * window, int nWindows,
- t_UmbrellaOptions *opt, gmx_bool bExact)
+static void calc_profile(double* profile, t_UmbrellaWindow* window, int nWindows, t_UmbrellaOptions* opt, gmx_bool bExact)
{
double ztot_half, ztot, min = opt->min, dz = opt->dz;
- ztot = opt->max-opt->min;
- ztot_half = ztot/2;
+ ztot = opt->max - opt->min;
+ ztot_half = ztot / 2;
#pragma omp parallel
{
int nthreads = gmx_omp_get_max_threads();
int thread_id = gmx_omp_get_thread_num();
int i;
- int i0 = thread_id*opt->bins/nthreads;
- int i1 = std::min(opt->bins, ((thread_id+1)*opt->bins)/nthreads);
+ int i0 = thread_id * opt->bins / nthreads;
+ int i1 = std::min(opt->bins, ((thread_id + 1) * opt->bins) / nthreads);
for (i = i0; i < i1; ++i)
{
{
for (k = 0; k < window[j].nPull; ++k)
{
- invg = 1.0/window[j].g[k] * window[j].bsWeight[k];
- temp = (1.0*i+0.5)*dz+min;
- num += invg*window[j].Histo[k][i];
+ invg = 1.0 / window[j].g[k] * window[j].bsWeight[k];
+ temp = (1.0 * i + 0.5) * dz + min;
+ num += invg * window[j].Histo[k][i];
if (!(bExact || window[j].bContrib[k][i]))
{
continue;
}
- distance = temp - window[j].pos[k]; /* distance to umbrella center */
+ distance = temp - window[j].pos[k]; /* distance to umbrella center */
if (opt->bCycl)
- { /* in cyclic wham: */
- if (distance > ztot_half) /* |distance| < ztot_half */
+ { /* in cyclic wham: */
+ if (distance > ztot_half) /* |distance| < ztot_half */
{
distance -= ztot;
}
if (!opt->bTab)
{
- U = 0.5*window[j].k[k]*gmx::square(distance); /* harmonic potential assumed. */
+ U = 0.5 * window[j].k[k] * gmx::square(distance); /* harmonic potential assumed. */
}
else
{
- U = tabulated_pot(distance, opt); /* Use tabulated potential */
+ U = tabulated_pot(distance, opt); /* Use tabulated potential */
}
- denom += invg*window[j].N[k]*std::exp(-U/(BOLTZ*opt->Temperature) + window[j].z[k]);
+ denom += invg * window[j].N[k]
+ * std::exp(-U / (gmx::c_boltz * opt->Temperature) + window[j].z[k]);
}
}
- profile[i] = num/denom;
+ profile[i] = num / denom;
}
}
- GMX_CATCH_ALL_AND_EXIT_WITH_FATAL_ERROR;
+ GMX_CATCH_ALL_AND_EXIT_WITH_FATAL_ERROR
}
}
//! Compute the free energy offsets z (one of the two main WHAM routines)
-static double calc_z(const double * profile, t_UmbrellaWindow * window, int nWindows,
- t_UmbrellaOptions *opt, gmx_bool bExact)
+static double calc_z(const double* profile, t_UmbrellaWindow* window, int nWindows, t_UmbrellaOptions* opt, gmx_bool bExact)
{
- double min = opt->min, dz = opt->dz, ztot_half, ztot;
+ double min = opt->min, dz = opt->dz, ztot_half, ztot;
double maxglob = -1e20;
- ztot = opt->max-opt->min;
- ztot_half = ztot/2;
+ ztot = opt->max - opt->min;
+ ztot_half = ztot / 2;
#pragma omp parallel
{
int nthreads = gmx_omp_get_max_threads();
int thread_id = gmx_omp_get_thread_num();
int i;
- int i0 = thread_id*nWindows/nthreads;
- int i1 = std::min(nWindows, ((thread_id+1)*nWindows)/nthreads);
- double maxloc = -1e20;
+ int i0 = thread_id * nWindows / nthreads;
+ int i1 = std::min(nWindows, ((thread_id + 1) * nWindows) / nthreads);
+ double maxloc = -1e20;
for (i = i0; i < i1; ++i)
{
- double total = 0, temp, distance, U = 0;
+ double total = 0, temp, distance, U = 0;
int j, k;
for (j = 0; j < window[i].nPull; ++j)
{
continue;
}
- temp = (1.0*k+0.5)*dz+min;
- distance = temp - window[i].pos[j]; /* distance to umbrella center */
+ temp = (1.0 * k + 0.5) * dz + min;
+ distance = temp - window[i].pos[j]; /* distance to umbrella center */
if (opt->bCycl)
- { /* in cyclic wham: */
- if (distance > ztot_half) /* |distance| < ztot_half */
+ { /* in cyclic wham: */
+ if (distance > ztot_half) /* |distance| < ztot_half */
{
distance -= ztot;
}
if (!opt->bTab)
{
- U = 0.5*window[i].k[j]*gmx::square(distance); /* harmonic potential assumed. */
+ U = 0.5 * window[i].k[j] * gmx::square(distance); /* harmonic potential assumed. */
}
else
{
- U = tabulated_pot(distance, opt); /* Use tabulated potential */
+ U = tabulated_pot(distance, opt); /* Use tabulated potential */
}
- total += profile[k]*std::exp(-U/(BOLTZ*opt->Temperature));
+ total += profile[k] * std::exp(-U / (gmx::c_boltz * opt->Temperature));
}
/* Avoid floating point exception if window is far outside min and max */
if (total != 0.0)
}
}
}
- GMX_CATCH_ALL_AND_EXIT_WITH_FATAL_ERROR;
+ GMX_CATCH_ALL_AND_EXIT_WITH_FATAL_ERROR
}
return maxglob;
}
//! Make PMF symmetric around 0 (useful e.g. for membranes)
-static void symmetrizeProfile(double* profile, t_UmbrellaOptions *opt)
+static void symmetrizeProfile(double* profile, t_UmbrellaOptions* opt)
{
int i, j, bins = opt->bins;
double *prof2, min = opt->min, max = opt->max, dz = opt->dz, zsym, deltaz, profsym;
if (min > 0. || max < 0.)
{
- gmx_fatal(FARGS, "Cannot symmetrize profile around z=0 with min=%f and max=%f\n",
- opt->min, opt->max);
+ gmx_fatal(FARGS, "Cannot symmetrize profile around z=0 with min=%f and max=%f\n", opt->min, opt->max);
}
snew(prof2, bins);
for (i = 0; i < bins; i++)
{
- z = min+(i+0.5)*dz;
+ z = min + (i + 0.5) * dz;
zsym = -z;
/* bin left of zsym */
- j = static_cast<int> (std::floor((zsym-min)/dz-0.5));
- if (j >= 0 && (j+1) < bins)
+ j = gmx::roundToInt((zsym - min) / dz) - 1;
+ if (j >= 0 && (j + 1) < bins)
{
/* interpolate profile linearly between bins j and j+1 */
- z1 = min+(j+0.5)*dz;
- deltaz = zsym-z1;
- profsym = profile[j] + (profile[j+1]-profile[j])/dz*deltaz;
+ z1 = min + (j + 0.5) * dz;
+ deltaz = zsym - z1;
+ profsym = profile[j] + (profile[j + 1] - profile[j]) / dz * deltaz;
/* average between left and right */
- prof2[i] = 0.5*(profsym+profile[i]);
+ prof2[i] = 0.5 * (profsym + profile[i]);
}
else
{
}
}
- std::memcpy(profile, prof2, bins*sizeof(double));
+ std::memcpy(profile, prof2, bins * sizeof(double));
sfree(prof2);
}
//! Set energy unit (kJ/mol,kT,kCal/mol) and set it to zero at opt->zProf0
-static void prof_normalization_and_unit(double * profile, t_UmbrellaOptions *opt)
+static void prof_normalization_and_unit(double* profile, t_UmbrellaOptions* opt)
{
int i, bins, imin;
double unit_factor = 1., diff;
- bins = opt->bins;
+ bins = opt->bins;
/* Not log? Nothing to do! */
if (!opt->bLog)
}
else if (opt->unit == en_kJ)
{
- unit_factor = BOLTZ*opt->Temperature;
+ unit_factor = gmx::c_boltz * opt->Temperature;
}
else if (opt->unit == en_kCal)
{
- unit_factor = (BOLTZ/CAL2JOULE)*opt->Temperature;
+ unit_factor = (gmx::c_boltz / gmx::c_cal2Joule) * opt->Temperature;
}
else
{
{
if (profile[i] > 0.0)
{
- profile[i] = -std::log(profile[i])*unit_factor;
+ profile[i] = -std::log(profile[i]) * unit_factor;
}
}
{
/* Get bin with shortest distance to opt->zProf0
(-0.5 from bin position and +0.5 from rounding cancel) */
- imin = static_cast<int>((opt->zProf0-opt->min)/opt->dz);
+ imin = static_cast<int>((opt->zProf0 - opt->min) / opt->dz);
if (imin < 0)
{
imin = 0;
}
else if (imin >= bins)
{
- imin = bins-1;
+ imin = bins - 1;
}
diff = profile[imin];
}
}
//! Make an array of random integers (used for bootstrapping)
-static void getRandomIntArray(int nPull, int blockLength, int* randomArray, gmx::DefaultRandomEngine * rng)
+static void getRandomIntArray(int nPull, int blockLength, int* randomArray, gmx::DefaultRandomEngine* rng)
{
- gmx::UniformIntDistribution<int> dist(0, blockLength-1);
+ gmx::UniformIntDistribution<int> dist(0, blockLength - 1);
int ipull, blockBase, nr, ipullRandom;
for (ipull = 0; ipull < nPull; ipull++)
{
- blockBase = (ipull/blockLength)*blockLength;
+ blockBase = (ipull / blockLength) * blockLength;
do
{ /* make sure nothing bad happens in the last block */
nr = dist(*rng); // [0,blockLength-1]
ipullRandom = blockBase + nr;
- }
- while (ipullRandom >= nPull);
+ } while (ipullRandom >= nPull);
if (ipullRandom < 0 || ipullRandom >= nPull)
{
- gmx_fatal(FARGS, "Ups, random iWin = %d, nPull = %d, nr = %d, "
+ gmx_fatal(FARGS,
+ "Ups, random iWin = %d, nPull = %d, nr = %d, "
"blockLength = %d, blockBase = %d\n",
- ipullRandom, nPull, nr, blockLength, blockBase);
+ ipullRandom,
+ nPull,
+ nr,
+ blockLength,
+ blockBase);
}
randomArray[ipull] = ipullRandom;
}
- /*for (ipull=0; ipull<nPull; ipull++)
- printf("%d ",randomArray[ipull]); printf("\n"); */
}
/*! \brief Set pull group information of a synthetic histogram
* This is used when bootstapping new trajectories and thereby create new histogtrams,
* but it is not required if we bootstrap complete histograms.
*/
-static void copy_pullgrp_to_synthwindow(t_UmbrellaWindow *synthWindow,
- t_UmbrellaWindow *thisWindow, int pullid)
+static void copy_pullgrp_to_synthwindow(t_UmbrellaWindow* synthWindow, t_UmbrellaWindow* thisWindow, int pullid)
{
- synthWindow->N [0] = thisWindow->N [pullid];
- synthWindow->Histo [0] = thisWindow->Histo [pullid];
- synthWindow->pos [0] = thisWindow->pos [pullid];
- synthWindow->z [0] = thisWindow->z [pullid];
- synthWindow->k [0] = thisWindow->k [pullid];
- synthWindow->bContrib[0] = thisWindow->bContrib [pullid];
- synthWindow->g [0] = thisWindow->g [pullid];
- synthWindow->bsWeight[0] = thisWindow->bsWeight [pullid];
+ synthWindow->N[0] = thisWindow->N[pullid];
+ synthWindow->Histo[0] = thisWindow->Histo[pullid];
+ synthWindow->pos[0] = thisWindow->pos[pullid];
+ synthWindow->z[0] = thisWindow->z[pullid];
+ synthWindow->k[0] = thisWindow->k[pullid];
+ synthWindow->bContrib[0] = thisWindow->bContrib[pullid];
+ synthWindow->g[0] = thisWindow->g[pullid];
+ synthWindow->bsWeight[0] = thisWindow->bsWeight[pullid];
}
/*! \brief Calculate cumulative distribution function of of all histograms.
* which are distributed according to the histograms. Required to generate
* the "synthetic" histograms for the Bootstrap method
*/
-static void calc_cumulatives(t_UmbrellaWindow *window, int nWindows,
- t_UmbrellaOptions *opt, const char *fnhist, const char *xlabel)
+static void calc_cumulatives(t_UmbrellaWindow* window,
+ int nWindows,
+ t_UmbrellaOptions* opt,
+ const char* fnhist,
+ const char* xlabel)
{
- int i, j, k, nbin;
- double last;
- char *fn = nullptr, *buf = nullptr;
- FILE *fp = nullptr;
+ int i, j, k, nbin;
+ double last;
+ std::string fn;
+ FILE* fp = nullptr;
if (opt->bs_verbose)
{
- snew(fn, std::strlen(fnhist)+10);
- snew(buf, std::strlen(fnhist)+10);
- sprintf(fn, "%s_cumul.xvg", std::strncpy(buf, fnhist, std::strlen(fnhist)-4));
- fp = xvgropen(fn, "CDFs of umbrella windows", xlabel, "CDF", opt->oenv);
+ fn = gmx::Path::concatenateBeforeExtension(fnhist, "_cumul");
+ fp = xvgropen(fn.c_str(), "CDFs of umbrella windows", xlabel, "CDF", opt->oenv);
}
nbin = opt->bins;
snew(window[i].cum, window[i].nPull);
for (j = 0; j < window[i].nPull; j++)
{
- snew(window[i].cum[j], nbin+1);
+ snew(window[i].cum[j], nbin + 1);
window[i].cum[j][0] = 0.;
for (k = 1; k <= nbin; k++)
{
- window[i].cum[j][k] = window[i].cum[j][k-1]+window[i].Histo[j][k-1];
+ window[i].cum[j][k] = window[i].cum[j][k - 1] + window[i].Histo[j][k - 1];
}
/* normalize CDFs. Ensure cum[nbin]==1 */
{
for (k = 0; k <= nbin; k++)
{
- fprintf(fp, "%g\t", opt->min+k*opt->dz);
+ fprintf(fp, "%g\t", opt->min + k * opt->dz);
for (i = 0; i < nWindows; i++)
{
for (j = 0; j < window[i].nPull; j++)
}
fprintf(fp, "\n");
}
- printf("Wrote cumulative distribution functions to %s\n", fn);
+ printf("Wrote cumulative distribution functions to %s\n", fn.c_str());
xvgrclose(fp);
- sfree(fn);
- sfree(buf);
}
}
*
* This is used to generate a random sequence distributed according to a histogram
*/
-static void searchCumulative(const double xx[], int n, double x, int *j)
+static void searchCumulative(const double xx[], int n, double x, int* j)
{
int ju, jm, jl;
jl = -1;
ju = n;
- while (ju-jl > 1)
+ while (ju - jl > 1)
{
- jm = (ju+jl) >> 1;
+ jm = (ju + jl) >> 1;
if (x >= xx[jm])
{
jl = jm;
{
*j = 0;
}
- else if (x == xx[n-1])
+ else if (x == xx[n - 1])
{
- *j = n-2;
+ *j = n - 2;
}
else
{
}
//! Bootstrap new trajectories and thereby generate new (bootstrapped) histograms
-static void create_synthetic_histo(t_UmbrellaWindow *synthWindow, t_UmbrellaWindow *thisWindow,
- int pullid, t_UmbrellaOptions *opt)
+static void create_synthetic_histo(t_UmbrellaWindow* synthWindow,
+ t_UmbrellaWindow* thisWindow,
+ int pullid,
+ t_UmbrellaOptions* opt)
{
int N, i, nbins, r_index, ibin;
double r, tausteps = 0.0, a, ap, dt, x, invsqrt2, g, y, sig = 0., z, mu = 0.;
/* tau = autocorrelation time */
if (opt->tauBootStrap > 0.0)
{
- tausteps = opt->tauBootStrap/dt;
+ tausteps = opt->tauBootStrap / dt;
}
else if (opt->bTauIntGiven || opt->bCalcTauInt)
{
/* calc tausteps from g=1+2tausteps */
g = thisWindow->g[pullid];
- tausteps = (g-1)/2;
+ tausteps = (g - 1) / 2;
}
else
{
gmx_fatal(FARGS, "%s", errstr);
}
- synthWindow->N [0] = N;
- synthWindow->pos [0] = thisWindow->pos[pullid];
- synthWindow->z [0] = thisWindow->z[pullid];
- synthWindow->k [0] = thisWindow->k[pullid];
+ synthWindow->N[0] = N;
+ synthWindow->pos[0] = thisWindow->pos[pullid];
+ synthWindow->z[0] = thisWindow->z[pullid];
+ synthWindow->k[0] = thisWindow->k[pullid];
synthWindow->bContrib[0] = thisWindow->bContrib[pullid];
- synthWindow->g [0] = thisWindow->g [pullid];
+ synthWindow->g[0] = thisWindow->g[pullid];
synthWindow->bsWeight[0] = thisWindow->bsWeight[pullid];
for (i = 0; i < nbins; i++)
if (opt->bsMethod == bsMethod_trajGauss)
{
- sig = thisWindow->sigma [pullid];
- mu = thisWindow->aver [pullid];
+ sig = thisWindow->sigma[pullid];
+ mu = thisWindow->aver[pullid];
}
/* Genrate autocorrelated Gaussian random variable with autocorrelation time tau
Note: The ACT of the flat distribution and of the generated histogram is not
100% exactly tau, but near tau (my test was 3.8 instead of 4).
*/
- a = std::exp(-1.0/tausteps);
- ap = std::sqrt(1.0-a*a);
- invsqrt2 = 1.0/std::sqrt(2.0);
+ a = std::exp(-1.0 / tausteps);
+ ap = std::sqrt(1.0 - a * a);
+ invsqrt2 = 1.0 / std::sqrt(2.0);
/* init random sequence */
x = opt->normalDistribution(opt->rng);
for (i = 0; i < N; i++)
{
y = opt->normalDistribution(opt->rng);
- x = a*x+ap*y;
+ x = a * x + ap * y;
/* get flat distribution in [0,1] using cumulative distribution function of Gauusian
Note: CDF(Gaussian) = 0.5*{1+erf[x/sqrt(2)]}
*/
- r = 0.5*(1+std::erf(x*invsqrt2));
- searchCumulative(thisWindow->cum[pullid], nbins+1, r, &r_index);
+ r = 0.5 * (1 + std::erf(x * invsqrt2));
+ searchCumulative(thisWindow->cum[pullid], nbins + 1, r, &r_index);
synthWindow->Histo[0][r_index] += 1.;
}
}
while (i < N)
{
y = opt->normalDistribution(opt->rng);
- x = a*x+ap*y;
- z = x*sig+mu;
- ibin = static_cast<int> (std::floor((z-opt->min)/opt->dz));
+ x = a * x + ap * y;
+ z = x * sig + mu;
+ ibin = static_cast<int>(std::floor((z - opt->min) / opt->dz));
if (opt->bCycl)
{
if (ibin < 0)
{
- while ( (ibin += nbins) < 0)
- {
- ;
- }
+ while ((ibin += nbins) < 0) {}
}
else if (ibin >= nbins)
{
- while ( (ibin -= nbins) >= nbins)
- {
- ;
- }
+ while ((ibin -= nbins) >= nbins) {}
}
}
* If bs_index>=0, a number is added to the output file name to allow the ouput of all
* sets of bootstrapped histograms.
*/
-static void print_histograms(const char *fnhist, t_UmbrellaWindow * window, int nWindows,
- int bs_index, t_UmbrellaOptions *opt, const char *xlabel)
+static void print_histograms(const char* fnhist,
+ t_UmbrellaWindow* window,
+ int nWindows,
+ int bs_index,
+ t_UmbrellaOptions* opt,
+ const char* xlabel)
{
- char *fn = nullptr, *buf = nullptr, title[256];
- FILE *fp;
- int bins, l, i, j;
+ std::string fn, title;
+ FILE* fp;
+ int bins, l, i, j;
if (bs_index >= 0)
{
- snew(fn, std::strlen(fnhist)+10);
- snew(buf, std::strlen(fnhist)+1);
- sprintf(fn, "%s_bs%d.xvg", std::strncpy(buf, fnhist, std::strlen(fnhist)-4), bs_index);
- sprintf(title, "Umbrella histograms. Bootstrap #%d", bs_index);
+ fn = gmx::Path::concatenateBeforeExtension(fnhist, gmx::formatString("_bs%d", bs_index));
+ title = gmx::formatString("Umbrella histograms. Bootstrap #%d", bs_index);
}
else
{
- fn = gmx_strdup(fnhist);
- std::strcpy(title, "Umbrella histograms");
+ fn = gmx_strdup(fnhist);
+ title = gmx::formatString("Umbrella histograms");
}
- fp = xvgropen(fn, title, xlabel, "count", opt->oenv);
+ fp = xvgropen(fn.c_str(), title.c_str(), xlabel, "count", opt->oenv);
bins = opt->bins;
/* Write histograms */
for (l = 0; l < bins; ++l)
{
- fprintf(fp, "%e\t", (l+0.5)*opt->dz+opt->min);
+ fprintf(fp, "%e\t", (l + 0.5) * opt->dz + opt->min);
for (i = 0; i < nWindows; ++i)
{
for (j = 0; j < window[i].nPull; ++j)
}
xvgrclose(fp);
- printf("Wrote %s\n", fn);
- if (bs_index >= 0)
- {
- sfree(buf);
- }
- sfree(fn);
-}
-
-//! Used for qsort to sort random numbers
-static int func_wham_is_larger(const void *a, const void *b)
-{
- double *aa, *bb;
- aa = (double*)a;
- bb = (double*)b;
- if (*aa < *bb)
- {
- return -1;
- }
- else if (*aa > *bb)
- {
- return 1;
- }
- else
- {
- return 0;
- }
+ printf("Wrote %s\n", fn.c_str());
}
//! Make random weights for histograms for the Bayesian bootstrap of complete histograms)
-static void setRandomBsWeights(t_UmbrellaWindow *synthwin, int nAllPull, t_UmbrellaOptions *opt)
+static void setRandomBsWeights(t_UmbrellaWindow* synthwin, int nAllPull, t_UmbrellaOptions* opt)
{
- int i;
- double *r;
+ int i;
+ double* r;
gmx::UniformRealDistribution<real> dist(0, nAllPull);
snew(r, nAllPull);
/* generate ordered random numbers between 0 and nAllPull */
- for (i = 0; i < nAllPull-1; i++)
+ for (i = 0; i < nAllPull - 1; i++)
{
r[i] = dist(opt->rng);
}
- qsort((void *)r, nAllPull-1, sizeof(double), &func_wham_is_larger);
- r[nAllPull-1] = 1.0*nAllPull;
+ std::sort(r, r + nAllPull - 1);
+ r[nAllPull - 1] = 1.0 * nAllPull;
synthwin[0].bsWeight[0] = r[0];
for (i = 1; i < nAllPull; i++)
{
- synthwin[i].bsWeight[0] = r[i]-r[i-1];
+ synthwin[i].bsWeight[0] = r[i] - r[i - 1];
}
/* avoid to have zero weight by adding a tiny value */
}
//! The main bootstrapping routine
-static void do_bootstrapping(const char *fnres, const char* fnprof, const char *fnhist,
- const char *xlabel, char* ylabel, double *profile,
- t_UmbrellaWindow * window, int nWindows, t_UmbrellaOptions *opt)
+static void do_bootstrapping(const char* fnres,
+ const char* fnprof,
+ const char* fnhist,
+ const char* xlabel,
+ char* ylabel,
+ double* profile,
+ t_UmbrellaWindow* window,
+ int nWindows,
+ t_UmbrellaOptions* opt)
{
- t_UmbrellaWindow * synthWindow;
- double *bsProfile, *bsProfiles_av, *bsProfiles_av2, maxchange = 1e20, tmp, stddev;
- int i, j, *randomArray = nullptr, winid, pullid, ib;
- int iAllPull, nAllPull, *allPull_winId, *allPull_pullId;
- FILE *fp;
- gmx_bool bExact = FALSE;
+ t_UmbrellaWindow* synthWindow;
+ double * bsProfile, *bsProfiles_av, *bsProfiles_av2, maxchange = 1e20, tmp, stddev;
+ int i, j, *randomArray = nullptr, winid, pullid, ib;
+ int iAllPull, nAllPull, *allPull_winId, *allPull_pullId;
+ FILE* fp;
+ gmx_bool bExact = FALSE;
/* init random generator */
if (opt->bsSeed == 0)
}
opt->rng.seed(opt->bsSeed);
- snew(bsProfile, opt->bins);
+ snew(bsProfile, opt->bins);
snew(bsProfiles_av, opt->bins);
snew(bsProfiles_av2, opt->bins);
switch (opt->bsMethod)
{
case bsMethod_hist:
- snew(randomArray, nAllPull);
printf("\n\nWhen computing statistical errors by bootstrapping entire histograms:\n");
please_cite(stdout, "Hub2006");
break;
/* just copy all histogams into synthWindow array */
for (i = 0; i < nAllPull; i++)
{
- winid = allPull_winId [i];
+ winid = allPull_winId[i];
pullid = allPull_pullId[i];
- copy_pullgrp_to_synthwindow(synthWindow+i, window+winid, pullid);
+ copy_pullgrp_to_synthwindow(synthWindow + i, window + winid, pullid);
}
break;
case bsMethod_traj:
- case bsMethod_trajGauss:
- calc_cumulatives(window, nWindows, opt, fnhist, xlabel);
- break;
- default:
- gmx_fatal(FARGS, "Unknown bootstrap method. That should not have happened.\n");
+ case bsMethod_trajGauss: calc_cumulatives(window, nWindows, opt, fnhist, xlabel); break;
+ default: gmx_fatal(FARGS, "Unknown bootstrap method. That should not have happened.\n");
}
/* do bootstrapping */
{
printf(" *******************************************\n"
" ******** Start bootstrap nr %d ************\n"
- " *******************************************\n", ib+1);
+ " *******************************************\n",
+ ib + 1);
switch (opt->bsMethod)
{
case bsMethod_hist:
/* bootstrap complete histograms from given histograms */
+ srenew(randomArray, nAllPull);
getRandomIntArray(nAllPull, opt->histBootStrapBlockLength, randomArray, &opt->rng);
for (i = 0; i < nAllPull; i++)
{
- winid = allPull_winId [randomArray[i]];
+ winid = allPull_winId[randomArray[i]];
pullid = allPull_pullId[randomArray[i]];
- copy_pullgrp_to_synthwindow(synthWindow+i, window+winid, pullid);
+ copy_pullgrp_to_synthwindow(synthWindow + i, window + winid, pullid);
}
break;
case bsMethod_BayesianHist:
{
winid = allPull_winId[i];
pullid = allPull_pullId[i];
- create_synthetic_histo(synthWindow+i, window+winid, pullid, opt);
+ create_synthetic_histo(synthWindow + i, window + winid, pullid, opt);
}
break;
}
i = 0;
bExact = FALSE;
maxchange = 1e20;
- std::memcpy(bsProfile, profile, opt->bins*sizeof(double)); /* use profile as guess */
+ std::memcpy(bsProfile, profile, opt->bins * sizeof(double)); /* use profile as guess */
do
{
- if ( (i%opt->stepUpdateContrib) == 0)
+ if ((i % opt->stepUpdateContrib) == 0)
{
setup_acc_wham(bsProfile, synthWindow, nAllPull, opt);
}
{
bExact = TRUE;
}
- if (((i%opt->stepchange) == 0 || i == 1) && i != 0)
+ if (((i % opt->stepchange) == 0 || i == 1) && i != 0)
{
printf("\t%4d) Maximum change %e\n", i, maxchange);
}
calc_profile(bsProfile, synthWindow, nAllPull, opt, bExact);
i++;
- }
- while ( (maxchange = calc_z(bsProfile, synthWindow, nAllPull, opt, bExact)) > opt->Tolerance || !bExact);
+ } while ((maxchange = calc_z(bsProfile, synthWindow, nAllPull, opt, bExact)) > opt->Tolerance
+ || !bExact);
printf("\tConverged in %d iterations. Final maximum change %g\n", i, maxchange);
if (opt->bLog)
/* save stuff to get average and stddev */
for (i = 0; i < opt->bins; i++)
{
- tmp = bsProfile[i];
- bsProfiles_av[i] += tmp;
- bsProfiles_av2[i] += tmp*tmp;
- fprintf(fp, "%e\t%e\n", (i+0.5)*opt->dz+opt->min, tmp);
+ tmp = bsProfile[i];
+ bsProfiles_av[i] += tmp;
+ bsProfiles_av2[i] += tmp * tmp;
+ fprintf(fp, "%e\t%e\n", (i + 0.5) * opt->dz + opt->min, tmp);
}
fprintf(fp, "%s\n", output_env_get_print_xvgr_codes(opt->oenv) ? "&" : "");
}
}
for (i = 0; i < opt->bins; i++)
{
- bsProfiles_av [i] /= opt->nBootStrap;
+ bsProfiles_av[i] /= opt->nBootStrap;
bsProfiles_av2[i] /= opt->nBootStrap;
- tmp = bsProfiles_av2[i]-gmx::square(bsProfiles_av[i]);
- stddev = (tmp >= 0.) ? std::sqrt(tmp) : 0.; /* Catch rouding errors */
- fprintf(fp, "%e\t%e\t%e\n", (i+0.5)*opt->dz+opt->min, bsProfiles_av [i], stddev);
+ tmp = bsProfiles_av2[i] - gmx::square(bsProfiles_av[i]);
+ stddev = (tmp >= 0.) ? std::sqrt(tmp) : 0.; /* Catch rouding errors */
+ fprintf(fp, "%e\t%e\t%e\n", (i + 0.5) * opt->dz + opt->min, bsProfiles_av[i], stddev);
}
xvgrclose(fp);
printf("Wrote boot strap result to %s\n", fnres);
}
-//! Return type of input file based on file extension (xvg, pdo, or tpr)
-static int whaminFileType(char *fn)
+//! Return type of input file based on file extension (xvg or tpr)
+static int whaminFileType(char* fn)
{
int len;
len = std::strlen(fn);
- if (std::strcmp(fn+len-3, "tpr") == 0)
+ if (std::strcmp(fn + len - 3, "tpr") == 0)
{
return whamin_tpr;
}
- else if (std::strcmp(fn+len-3, "xvg") == 0 || std::strcmp(fn+len-6, "xvg.gz") == 0)
+ else if (std::strcmp(fn + len - 3, "xvg") == 0 || std::strcmp(fn + len - 6, "xvg.gz") == 0)
{
return whamin_pullxf;
}
- else if (std::strcmp(fn+len-3, "pdo") == 0 || std::strcmp(fn+len-6, "pdo.gz") == 0)
- {
- return whamin_pdo;
- }
else
{
- gmx_fatal(FARGS, "Unknown file type of %s. Should be tpr, xvg, or pdo.\n", fn);
+ gmx_fatal(FARGS,
+ "Unknown file type of %s. Should be tpr or xvg. Use GROMACS 2021 or earlier to "
+ "read pdo files.\n",
+ fn);
}
}
-//! Read the files names in pdo-files.dat, pullf/x-files.dat, tpr-files.dat
-static void read_wham_in(const char *fn, char ***filenamesRet, int *nfilesRet,
- t_UmbrellaOptions *opt)
+//! Read the files names in pullf/pullx-files.dat, tpr-files.dat
+static void read_wham_in(const char* fn, char*** filenamesRet, int* nfilesRet, t_UmbrellaOptions* opt)
{
- char **filename = nullptr, tmp[WHAM_MAXFILELEN+2];
+ char **filename = nullptr, tmp[WHAM_MAXFILELEN + 2];
int nread, sizenow, i, block = 1;
- FILE *fp;
+ FILE* fp;
fp = gmx_ffopen(fn, "r");
nread = 0;
{
sizenow += block;
srenew(filename, sizenow);
- for (i = sizenow-block; i < sizenow; i++)
+ for (i = sizenow - block; i < sizenow; i++)
{
snew(filename[i], WHAM_MAXFILELEN);
}
}
/* remove newline if there is one */
- if (tmp[std::strlen(tmp)-1] == '\n')
+ if (tmp[std::strlen(tmp) - 1] == '\n')
{
- tmp[std::strlen(tmp)-1] = '\0';
+ tmp[std::strlen(tmp) - 1] = '\0';
}
std::strcpy(filename[nread], tmp);
if (opt->verbose)
*nfilesRet = nread;
}
-//! Open a file or a pipe to a gzipped file
-static FILE *open_pdo_pipe(const char *fn, t_UmbrellaOptions *opt, gmx_bool *bPipeOpen)
-{
- char Buffer[1024], gunzip[1024], *Path = nullptr;
- FILE *pipe = nullptr;
- static gmx_bool bFirst = 1;
-
- /* gzipped pdo file? */
- if ((std::strcmp(fn+std::strlen(fn)-3, ".gz") == 0))
- {
- /* search gunzip executable */
- if (!(Path = getenv("GMX_PATH_GZIP")))
- {
- if (gmx_fexist("/bin/gunzip"))
- {
- sprintf(gunzip, "%s", "/bin/gunzip");
- }
- else if (gmx_fexist("/usr/bin/gunzip"))
- {
- sprintf(gunzip, "%s", "/usr/bin/gunzip");
- }
- else
- {
- gmx_fatal(FARGS, "Cannot find executable gunzip in /bin or /usr/bin.\n"
- "You may want to define the path to gunzip "
- "with the environment variable GMX_PATH_GZIP.", gunzip);
- }
- }
- else
- {
- sprintf(gunzip, "%s/gunzip", Path);
- if (!gmx_fexist(gunzip))
- {
- gmx_fatal(FARGS, "Cannot find executable %s. Please define the path to gunzip"
- " in the environmental varialbe GMX_PATH_GZIP.", gunzip);
- }
- }
- if (bFirst)
- {
- printf("Using gunzip executable %s\n", gunzip);
- bFirst = 0;
- }
- if (!gmx_fexist(fn))
- {
- gmx_fatal(FARGS, "File %s does not exist.\n", fn);
- }
- sprintf(Buffer, "%s -c < %s", gunzip, fn);
- if (opt->verbose)
- {
- printf("Executing command '%s'\n", Buffer);
- }
-#if HAVE_PIPES
- if ((pipe = popen(Buffer, "r")) == nullptr)
- {
- gmx_fatal(FARGS, "Unable to open pipe to `%s'\n", Buffer);
- }
-#else
- gmx_fatal(FARGS, "Cannot open a compressed file on platform without pipe support");
-#endif
- *bPipeOpen = TRUE;
- }
- else
- {
- pipe = gmx_ffopen(fn, "r");
- *bPipeOpen = FALSE;
- }
-
- return pipe;
-}
-
-//! Close file or pipe
-static void pdo_close_file(FILE *fp)
-{
-#if HAVE_PIPES
- pclose(fp);
-#else
- gmx_ffclose(fp);
-#endif
-}
-
-//! Reading all pdo files
-static void read_pdo_files(char **fn, int nfiles, t_UmbrellaHeader* header,
- t_UmbrellaWindow *window, t_UmbrellaOptions *opt)
-{
- FILE *file;
- real mintmp, maxtmp, done = 0.;
- int i;
- gmx_bool bPipeOpen;
- /* char Buffer0[1000]; */
-
- if (nfiles < 1)
- {
- gmx_fatal(FARGS, "No files found. Hick.");
- }
-
- /* if min and max are not given, get min and max from the input files */
- if (opt->bAuto)
- {
- printf("Automatic determination of boundaries from %d pdo files...\n", nfiles);
- opt->min = 1e20;
- opt->max = -1e20;
- for (i = 0; i < nfiles; ++i)
- {
- file = open_pdo_pipe(fn[i], opt, &bPipeOpen);
- /*fgets(Buffer0,999,file);
- fprintf(stderr,"First line '%s'\n",Buffer0); */
- done = 100.0*(i+1)/nfiles;
- fprintf(stdout, "\rOpening %s ... [%2.0f%%]", fn[i], done); fflush(stdout);
- if (opt->verbose)
- {
- printf("\n");
- }
- read_pdo_header(file, header, opt);
- /* here only determine min and max of this window */
- read_pdo_data(file, header, i, nullptr, opt, TRUE, &mintmp, &maxtmp);
- if (maxtmp > opt->max)
- {
- opt->max = maxtmp;
- }
- if (mintmp < opt->min)
- {
- opt->min = mintmp;
- }
- if (bPipeOpen)
- {
- pdo_close_file(file);
- }
- else
- {
- gmx_ffclose(file);
- }
- }
- printf("\n");
- printf("\nDetermined boundaries to %f and %f\n\n", opt->min, opt->max);
- if (opt->bBoundsOnly)
- {
- printf("Found option -boundsonly, now exiting.\n");
- exit (0);
- }
- }
- /* store stepsize in profile */
- opt->dz = (opt->max-opt->min)/opt->bins;
-
- /* Having min and max, we read in all files */
- /* Loop over all files */
- for (i = 0; i < nfiles; ++i)
- {
- done = 100.0*(i+1)/nfiles;
- fprintf(stdout, "\rOpening %s ... [%2.0f%%]", fn[i], done); fflush(stdout);
- if (opt->verbose)
- {
- printf("\n");
- }
- file = open_pdo_pipe(fn[i], opt, &bPipeOpen);
- read_pdo_header(file, header, opt);
- /* load data into window */
- read_pdo_data(file, header, i, window, opt, FALSE, nullptr, nullptr);
- if ((window+i)->Ntot[0] == 0)
- {
- fprintf(stderr, "\nWARNING, no data points read from file %s (check -b option)\n", fn[i]);
- }
- if (bPipeOpen)
- {
- pdo_close_file(file);
- }
- else
- {
- gmx_ffclose(file);
- }
- }
- printf("\n");
- for (i = 0; i < nfiles; ++i)
- {
- sfree(fn[i]);
- }
- sfree(fn);
-}
-
//! translate 0/1 to N/Y to write pull dimensions
#define int2YN(a) (((a) == 0) ? ("N") : ("Y"))
//! Read pull groups from a tpr file (including position, force const, geometry, number of groups)
-static void read_tpr_header(const char *fn, t_UmbrellaHeader* header, t_UmbrellaOptions *opt, t_coordselection *coordsel)
+static void read_tpr_header(const char* fn, t_UmbrellaHeader* header, t_UmbrellaOptions* opt, t_coordselection* coordsel)
{
- t_inputrec irInstance;
- t_inputrec *ir = &irInstance;
- t_state state;
- static int first = 1;
+ t_inputrec irInstance;
+ t_inputrec* ir = &irInstance;
+ t_state state;
+ static int first = 1;
/* printf("Reading %s \n",fn); */
read_tpx_state(fn, ir, &state, nullptr);
snew(header->pcrd, header->npullcrds);
for (int i = 0; i < ir->pull->ncoord; i++)
{
- header->pcrd[i].pull_type = ir->pull->coord[i].eType;
- header->pcrd[i].geometry = ir->pull->coord[i].eGeom;
- header->pcrd[i].ngroup = ir->pull->coord[i].ngroup;
- header->pcrd[i].k = ir->pull->coord[i].k;
- header->pcrd[i].init_dist = ir->pull->coord[i].init;
+ header->pcrd[i].pull_type = ir->pull->coord[i].eType;
+ header->pcrd[i].geometry = ir->pull->coord[i].eGeom;
+ header->pcrd[i].ngroup = ir->pull->coord[i].ngroup;
+ /* Angle type coordinates are handled fully in degrees in gmx wham.
+ * The pull "distance" appears with a power of -2 in the force constant,
+ * so we need to multiply with the internal units (radians for angle)
+ * to user units (degrees for an angle) with the same power.
+ */
+ header->pcrd[i].k = ir->pull->coord[i].k
+ / gmx::square(pull_conversion_factor_internal2userinput(ir->pull->coord[i]));
+ header->pcrd[i].init_dist = ir->pull->coord[i].init;
copy_ivec(ir->pull->coord[i].dim, header->pcrd[i].dim);
- header->pcrd[i].ndim = header->pcrd[i].dim[XX] + header->pcrd[i].dim[YY] + header->pcrd[i].dim[ZZ];
+ header->pcrd[i].ndim =
+ header->pcrd[i].dim[XX] + header->pcrd[i].dim[YY] + header->pcrd[i].dim[ZZ];
- std::strcpy(header->pcrd[i].coord_unit,
- pull_coordinate_units(&ir->pull->coord[i]));
+ std::strcpy(header->pcrd[i].coord_unit, pull_coordinate_units(ir->pull->coord[i]));
- if (ir->efep != efepNO && ir->pull->coord[i].k != ir->pull->coord[i].kB)
+ if (ir->efep != FreeEnergyPerturbationType::No && ir->pull->coord[i].k != ir->pull->coord[i].kB)
{
- gmx_fatal(FARGS, "Seems like you did free-energy perturbation, and you perturbed the force constant."
+ gmx_fatal(FARGS,
+ "Seems like you did free-energy perturbation, and you perturbed the force "
+ "constant."
" This is not supported.\n");
}
if (coordsel && (coordsel->n != ir->pull->ncoord))
{
- gmx_fatal(FARGS, "Found %d pull coordinates in %s, but %d columns in the respective line\n"
- "coordinate selection file (option -is)\n", ir->pull->ncoord, fn, coordsel->n);
+ gmx_fatal(FARGS,
+ "Found %d pull coordinates in %s, but %d columns in the respective line\n"
+ "coordinate selection file (option -is)\n",
+ ir->pull->ncoord,
+ fn,
+ coordsel->n);
}
}
/* Check pull coords for consistency */
- int geom = -1;
- ivec thedim = { 0, 0, 0 };
- bool geometryIsSet = false;
+ PullGroupGeometry geom = PullGroupGeometry::Count;
+ ivec thedim = { 0, 0, 0 };
+ bool geometryIsSet = false;
for (int i = 0; i < ir->pull->ncoord; i++)
{
if (coordsel == nullptr || coordsel->bUse[i])
{
- if (header->pcrd[i].pull_type != epullUMBRELLA)
+ if (header->pcrd[i].pull_type != PullingAlgorithm::Umbrella)
{
- gmx_fatal(FARGS, "%s: Pull coordinate %d is of type \"%s\", expected \"umbrella\". Only umbrella coodinates can enter WHAM.\n"
- "If you have umrella and non-umbrella coordinates, you can select the umbrella coordinates with gmx wham -is\n",
- fn, i+1, epull_names[header->pcrd[i].pull_type]);
+ gmx_fatal(FARGS,
+ "%s: Pull coordinate %d is of type \"%s\", expected \"umbrella\". Only "
+ "umbrella coodinates can enter WHAM.\n"
+ "If you have umbrella and non-umbrella coordinates, you can select the "
+ "umbrella coordinates with gmx wham -is\n",
+ fn,
+ i + 1,
+ enumValueToString(header->pcrd[i].pull_type));
}
if (!geometryIsSet)
{
}
if (geom != header->pcrd[i].geometry)
{
- gmx_fatal(FARGS, "%s: Your pull coordinates have different pull geometry (coordinate 1: %s, coordinate %d: %s)\n"
- "If you want to use only some pull coordinates in WHAM, please select them with option gmx wham -is\n",
- fn, epullg_names[geom], i+1, epullg_names[header->pcrd[i].geometry]);
- }
- if (thedim[XX] != header->pcrd[i].dim[XX] || thedim[YY] != header->pcrd[i].dim[YY] || thedim[ZZ] != header->pcrd[i].dim[ZZ])
- {
- gmx_fatal(FARGS, "%s: Your pull coordinates have different pull dimensions (coordinate 1: %s %s %s, coordinate %d: %s %s %s)\n"
- "If you want to use only some pull coordinates in WHAM, please select them with option gmx wham -is\n",
- fn, int2YN(thedim[XX]), int2YN(thedim[YY]), int2YN(thedim[ZZ]), i+1,
- int2YN(header->pcrd[i].dim[XX]), int2YN(header->pcrd[i].dim[YY]), int2YN(header->pcrd[i].dim[ZZ]));
- }
- if (header->pcrd[i].geometry == epullgCYL)
+ gmx_fatal(FARGS,
+ "%s: Your pull coordinates have different pull geometry (coordinate 1: "
+ "%s, coordinate %d: %s)\n"
+ "If you want to use only some pull coordinates in WHAM, please select "
+ "them with option gmx wham -is\n",
+ fn,
+ enumValueToString(geom),
+ i + 1,
+ enumValueToString(header->pcrd[i].geometry));
+ }
+ if (thedim[XX] != header->pcrd[i].dim[XX] || thedim[YY] != header->pcrd[i].dim[YY]
+ || thedim[ZZ] != header->pcrd[i].dim[ZZ])
+ {
+ gmx_fatal(FARGS,
+ "%s: Your pull coordinates have different pull dimensions (coordinate 1: "
+ "%s %s %s, coordinate %d: %s %s %s)\n"
+ "If you want to use only some pull coordinates in WHAM, please select "
+ "them with option gmx wham -is\n",
+ fn,
+ int2YN(thedim[XX]),
+ int2YN(thedim[YY]),
+ int2YN(thedim[ZZ]),
+ i + 1,
+ int2YN(header->pcrd[i].dim[XX]),
+ int2YN(header->pcrd[i].dim[YY]),
+ int2YN(header->pcrd[i].dim[ZZ]));
+ }
+ if (header->pcrd[i].geometry == PullGroupGeometry::Cylinder)
{
if (header->pcrd[i].dim[XX] || header->pcrd[i].dim[YY] || (!header->pcrd[i].dim[ZZ]))
{
- gmx_fatal(FARGS, "With pull geometry 'cylinder', expected pulling in Z direction only.\n"
- "However, found dimensions [%s %s %s]\n",
- int2YN(header->pcrd[i].dim[XX]), int2YN(header->pcrd[i].dim[YY]),
- int2YN(header->pcrd[i].dim[ZZ]));
+ gmx_fatal(
+ FARGS,
+ "With pull geometry 'cylinder', expected pulling in Z direction only.\n"
+ "However, found dimensions [%s %s %s]\n",
+ int2YN(header->pcrd[i].dim[XX]),
+ int2YN(header->pcrd[i].dim[YY]),
+ int2YN(header->pcrd[i].dim[ZZ]));
}
}
if (header->pcrd[i].k <= 0.0)
{
- gmx_fatal(FARGS, "%s: Pull coordinate %d has force constant of of %g in %s.\n"
+ gmx_fatal(FARGS,
+ "%s: Pull coordinate %d has force constant of of %g.\n"
"That doesn't seem to be an Umbrella tpr.\n",
- fn, i+1, header->pcrd[i].k);
+ fn,
+ i + 1,
+ header->pcrd[i].k);
}
}
}
int maxlen = 0;
for (int i = 0; i < ir->pull->ncoord; i++)
{
- int lentmp = strlen(epullg_names[header->pcrd[i].geometry]);
+ int lentmp = strlen(enumValueToString(header->pcrd[i].geometry));
maxlen = (lentmp > maxlen) ? lentmp : maxlen;
}
char fmt[STRLEN];
- sprintf(fmt, "\tGeometry %%-%ds k = %%-8g position = %%-8g dimensions [%%s %%s %%s] (%%d dimensions). Used: %%s\n",
- maxlen+1);
+ sprintf(fmt,
+ "\tGeometry %%-%ds k = %%-8g position = %%-8g dimensions [%%s %%s %%s] (%%d "
+ "dimensions). Used: %%s\n",
+ maxlen + 1);
for (int i = 0; i < ir->pull->ncoord; i++)
{
bool use = (coordsel == nullptr || coordsel->bUse[i]);
printf(fmt,
- epullg_names[header->pcrd[i].geometry], header->pcrd[i].k, header->pcrd[i].init_dist,
- int2YN(header->pcrd[i].dim[XX]), int2YN(header->pcrd[i].dim[YY]), int2YN(header->pcrd[i].dim[ZZ]),
- header->pcrd[i].ndim, use ? "Yes" : "No");
- printf("\tPull group coordinates of %d groups expected in pullx files.\n", ir->pull->bPrintCOM ? header->pcrd[i].ngroup : 0);
+ enumValueToString(header->pcrd[i].geometry),
+ header->pcrd[i].k,
+ header->pcrd[i].init_dist,
+ int2YN(header->pcrd[i].dim[XX]),
+ int2YN(header->pcrd[i].dim[YY]),
+ int2YN(header->pcrd[i].dim[ZZ]),
+ header->pcrd[i].ndim,
+ use ? "Yes" : "No");
+ printf("\tPull group coordinates of %d groups expected in pullx files.\n",
+ ir->pull->bPrintCOM ? header->pcrd[i].ngroup : 0);
}
printf("\tReference value of the coordinate%s expected in pullx files.\n",
header->bPrintRefValue ? "" : " not");
}
//! Read pullx.xvg or pullf.xvg
-static void read_pull_xf(const char *fn, t_UmbrellaHeader * header,
- t_UmbrellaWindow * window,
- t_UmbrellaOptions *opt,
- gmx_bool bGetMinMax, real *mintmp, real *maxtmp,
- t_coordselection *coordsel)
+static void read_pull_xf(const char* fn,
+ t_UmbrellaHeader* header,
+ t_UmbrellaWindow* window,
+ t_UmbrellaOptions* opt,
+ gmx_bool bGetMinMax,
+ real* mintmp,
+ real* maxtmp,
+ t_coordselection* coordsel)
{
- double **y = nullptr, pos = 0., t, force, time0 = 0., dt;
+ double ** y = nullptr, pos = 0., t, force, time0 = 0., dt;
int ny, nt, bins, ibin, i, g, gUsed, dstep = 1;
int nColExpect, ntot, column;
real min, max, minfound = 1e20, maxfound = -1e20;
gmx_bool dt_ok, timeok;
- const char *quantity;
+ const char* quantity;
const int blocklen = 4096;
- int *lennow = nullptr;
+ int* lennow = nullptr;
static gmx_bool bFirst = TRUE;
/*
if (header->bPrintComp && opt->bPullx)
{
- gmx_fatal(FARGS, "gmx wham cannot read pullx files if the components of the coordinate was written\n"
- "(mdp option pull-print-components). Provide the pull force files instead (with option -if).\n");
+ gmx_fatal(
+ FARGS,
+ "gmx wham cannot read pullx files if the components of the coordinate was written\n"
+ "(mdp option pull-print-components). Provide the pull force files instead (with "
+ "option -if).\n");
}
int *nColThisCrd, *nColCOMCrd, *nColRefCrd;
snew(nColThisCrd, header->npullcrds);
- snew(nColCOMCrd, header->npullcrds);
- snew(nColRefCrd, header->npullcrds);
+ snew(nColCOMCrd, header->npullcrds);
+ snew(nColRefCrd, header->npullcrds);
- if (opt->bPullx == FALSE)
+ if (!opt->bPullx)
{
/* pullf reading: simply one column per coordinate */
for (g = 0; g < header->npullcrds; g++)
/* pullx reading. Note explanation above. */
for (g = 0; g < header->npullcrds; g++)
{
- nColRefCrd[g] = (header->bPrintRefValue ? 1 : 0);
- nColCOMCrd[g] = (header->bPrintCOM ? header->pcrd[g].ndim*header->pcrd[g].ngroup : 0);
- nColThisCrd[g] = 1 + nColCOMCrd[g] + nColRefCrd[g];
+ nColRefCrd[g] = (header->bPrintRefValue ? 1 : 0);
+ nColCOMCrd[g] = (header->bPrintCOM ? header->pcrd[g].ndim * header->pcrd[g].ngroup : 0);
+ nColThisCrd[g] = 1 + nColCOMCrd[g] + nColRefCrd[g];
}
}
nt = read_xvg(fn, &y, &ny);
/* Check consistency */
- quantity = opt->bPullx ? "position" : "force";
+ quantity = opt->bPullx ? "position" : "force";
if (nt < 1)
{
gmx_fatal(FARGS, "Empty pull %s file %s\n", quantity, fn);
}
if (bFirst || opt->verbose)
{
+ // Note the comment above about the pull file column format!
printf("\nReading pull %s file %s, expecting %d columns:\n", quantity, fn, nColExpect);
+ printf("\tColumn for time: 1\n");
+ int nextColumn = 2;
for (i = 0; i < header->npullcrds; i++)
{
- printf("\tColumns for pull coordinate %d\n", i+1);
- printf("\t\treaction coordinate: %d\n"
- "\t\tcenter-of-mass of groups: %d\n"
- "\t\treference position column: %s\n",
- 1, nColCOMCrd[i], (header->bPrintRefValue ? "Yes" : "No"));
+ printf("\tColumn(s) with data for pull coordinate %d are\n", i + 1);
+ if (nColCOMCrd[i] > 0)
+ {
+ const int firstColumnForCOM = nextColumn;
+ const int lastColumnForCOM = firstColumnForCOM + nColCOMCrd[i] - 1;
+ const int columnForThisCoordinate = lastColumnForCOM + 1;
+ printf("\t\treaction coordinate: %d\n"
+ "\t\tcenter-of-mass of groups: %d through %d\n",
+ columnForThisCoordinate,
+ firstColumnForCOM,
+ lastColumnForCOM);
+ nextColumn = columnForThisCoordinate + 1;
+ }
+ else
+ {
+ const int columnForThisCoordinate = nextColumn;
+ printf("\t\treaction coordinate: %d\n"
+ "\t\tcenter-of-mass of groups: No\n",
+ columnForThisCoordinate);
+ ++nextColumn;
+ }
+ if (header->bPrintRefValue)
+ {
+ const int columnForRefValue = nextColumn;
+ printf("\t\treference position column: %d\n", columnForRefValue);
+ ++nextColumn;
+ }
+ else
+ {
+ printf("\t\treference position column: No\n");
+ }
}
printf("\tFound %d times in %s\n", nt, fn);
bFirst = FALSE;
}
if (nColExpect != ny)
{
- gmx_fatal(FARGS, "Expected %d columns (including time column) in %s, but found %d."
- " Maybe you confused options -if and -ix ?", nColExpect, fn, ny);
+ gmx_fatal(FARGS,
+ "Expected %d columns (including time column) in %s, but found %d."
+ " Maybe you confused options -if and -ix ?",
+ nColExpect,
+ fn,
+ ny);
}
if (!bGetMinMax)
max = opt->max;
if (nt > 1)
{
- window->dt = y[0][1]-y[0][0];
+ window->dt = y[0][1] - y[0][0];
}
else if (opt->nBootStrap && opt->tauBootStrap != 0.0)
{
/* Use only groups selected with option -is file */
if (header->npullcrds != coordsel->n)
{
- gmx_fatal(FARGS, "tpr file contains %d pull groups, but expected %d from group selection file\n",
- header->npullcrds, coordsel->n);
+ gmx_fatal(FARGS,
+ "tpr file contains %d pull groups, but expected %d from group selection "
+ "file\n",
+ header->npullcrds,
+ coordsel->n);
}
window->nPull = coordsel->nUse;
}
}
window->nBin = bins;
- snew(window->Histo, window->nPull);
- snew(window->z, window->nPull);
- snew(window->k, window->nPull);
- snew(window->pos, window->nPull);
- snew(window->N, window->nPull);
- snew(window->Ntot, window->nPull);
- snew(window->g, window->nPull);
+ snew(window->Histo, window->nPull);
+ snew(window->z, window->nPull);
+ snew(window->k, window->nPull);
+ snew(window->pos, window->nPull);
+ snew(window->N, window->nPull);
+ snew(window->Ntot, window->nPull);
+ snew(window->g, window->nPull);
snew(window->bsWeight, window->nPull);
window->bContrib = nullptr;
for (g = 0; g < window->nPull; ++g)
{
- window->z [g] = 1;
- window->bsWeight [g] = 1.;
- window->N [g] = 0;
- window->Ntot [g] = 0;
- window->g [g] = 1.;
+ window->z[g] = 1;
+ window->bsWeight[g] = 1.;
+ window->N[g] = 0;
+ window->Ntot[g] = 0;
+ window->g[g] = 1.;
snew(window->Histo[g], bins);
if (opt->bCalcTauInt)
all pull groups from header (tpr file) may be used in window variable */
for (g = 0, gUsed = 0; g < header->npullcrds; ++g)
{
- if (coordsel && (coordsel->bUse[g] == FALSE))
+ if (coordsel && !coordsel->bUse[g])
{
continue;
}
- window->k [gUsed] = header->pcrd[g].k;
+ window->k[gUsed] = header->pcrd[g].k;
window->pos[gUsed] = header->pcrd[g].init_dist;
gUsed++;
}
}
else
- { /* only determine min and max */
+ { /* only determine min and max */
minfound = 1e20;
maxfound = -1e20;
- min = max = bins = 0; /* Get rid of warnings */
+ min = max = bins = 0; /* Get rid of warnings */
}
for (i = 0; i < nt; i++)
{
/* Do you want that time frame? */
- t = 1.0/1000*( static_cast<int64_t> ((y[0][i]*1000) + 0.5)); /* round time to fs */
+ t = 1.0 / 1000 * (gmx::roundToInt64((y[0][i] * 1000))); /* round time to fs */
- /* get time step of pdo file and get dstep from opt->dt */
+ /* get time step and get dstep from opt->dt */
if (i == 0)
{
time0 = t;
}
else if (i == 1)
{
- dt = t-time0;
+ dt = t - time0;
if (opt->dt > 0.0)
{
- dstep = static_cast<int>(opt->dt/dt+0.5);
+ dstep = gmx::roundToInt(opt->dt / dt);
if (dstep == 0)
{
dstep = 1;
}
if (!bGetMinMax)
{
- window->dt = dt*dstep;
+ window->dt = dt * dstep;
}
}
- dt_ok = (i%dstep == 0);
+ dt_ok = (i % dstep == 0);
timeok = (dt_ok && t >= opt->tmin && t <= opt->tmax);
/*if (opt->verbose)
printf(" time = %f, (tmin,tmax)=(%e,%e), dt_ok=%d timeok=%d\n",
* if coordsel != NULL:
* only groups with coordsel.bUse[g]==TRUE are stored. gUsed is not always equal g
*/
- gUsed = -1;
+ gUsed = -1;
for (g = 0; g < header->npullcrds; ++g)
{
/* was this group selected for application in WHAM? */
- if (coordsel && (coordsel->bUse[g] == FALSE))
+ if (coordsel && !coordsel->bUse[g])
{
continue;
}
if (opt->bPullf)
{
/* y has 1 time column y[0] and one column per force y[1],...,y[nCrds] */
- force = y[g+1][i];
- pos = -force/header->pcrd[g].k + header->pcrd[g].init_dist;
+ force = y[g + 1][i];
+ pos = -force / header->pcrd[g].k + header->pcrd[g].init_dist;
}
else
{
{
column += nColThisCrd[j];
}
- pos = y[column][i];
+ pos = y[column][i];
}
/* printf("crd %d dpos %f poseq %f pos %f \n",g,dpos,poseq,pos); */
{
if (gUsed >= window->nPull)
{
- gmx_fatal(FARGS, "gUsed too large (%d, nPull=%d). This error should have been caught before.\n",
- gUsed, window->nPull);
+ gmx_fatal(FARGS,
+ "gUsed too large (%d, nPull=%d). This error should have been "
+ "caught before.\n",
+ gUsed,
+ window->nPull);
}
if (opt->bCalcTauInt && !bGetMinMax)
window->ztime[gUsed][ntot] = pos;
}
- ibin = static_cast<int> (std::floor((pos-min)/(max-min)*bins));
+ ibin = static_cast<int>(std::floor((pos - min) / (max - min) * bins));
if (opt->bCycl)
{
if (ibin < 0)
{
- while ( (ibin += bins) < 0)
- {
- ;
- }
+ while ((ibin += bins) < 0) {}
}
else if (ibin >= bins)
{
- while ( (ibin -= bins) >= bins)
- {
- ;
- }
+ while ((ibin -= bins) >= bins) {}
}
}
if (ibin >= 0 && ibin < bins)
}
//! read pullf-files.dat or pullx-files.dat and tpr-files.dat
-static void read_tpr_pullxf_files(char **fnTprs, char **fnPull, int nfiles,
- t_UmbrellaHeader* header,
- t_UmbrellaWindow *window, t_UmbrellaOptions *opt)
+static void read_tpr_pullxf_files(char** fnTprs,
+ char** fnPull,
+ int nfiles,
+ t_UmbrellaHeader* header,
+ t_UmbrellaWindow* window,
+ t_UmbrellaOptions* opt)
{
int i;
real mintmp, maxtmp;
- printf("Reading %d tpr and pullf files\n", nfiles);
+ printf("Reading %d tpr and pullx/pullf files\n", nfiles);
/* min and max not given? */
if (opt->bAuto)
read_tpr_header(fnTprs[i], header, opt, (opt->nCoordsel > 0) ? &opt->coordsel[i] : nullptr);
if (whaminFileType(fnPull[i]) != whamin_pullxf)
{
- gmx_fatal(FARGS, "Expected the %d'th file in input file to be a xvg (pullx/pullf) file\n", i);
- }
- read_pull_xf(fnPull[i], header, nullptr, opt, TRUE, &mintmp, &maxtmp,
+ gmx_fatal(FARGS,
+ "Expected the %d'th file in input file to be a xvg (pullx/pullf) file\n",
+ i);
+ }
+ read_pull_xf(fnPull[i],
+ header,
+ nullptr,
+ opt,
+ TRUE,
+ &mintmp,
+ &maxtmp,
(opt->nCoordsel > 0) ? &opt->coordsel[i] : nullptr);
if (maxtmp > opt->max)
{
if (opt->bBoundsOnly)
{
printf("Found option -boundsonly, now exiting.\n");
- exit (0);
+ exit(0);
}
}
/* store stepsize in profile */
- opt->dz = (opt->max-opt->min)/opt->bins;
+ opt->dz = (opt->max - opt->min) / opt->bins;
bool foundData = false;
for (i = 0; i < nfiles; i++)
read_tpr_header(fnTprs[i], header, opt, (opt->nCoordsel > 0) ? &opt->coordsel[i] : nullptr);
if (whaminFileType(fnPull[i]) != whamin_pullxf)
{
- gmx_fatal(FARGS, "Expected the %d'th file in input file to be a xvg (pullx/pullf) file\n", i);
+ gmx_fatal(
+ FARGS, "Expected the %d'th file in input file to be a xvg (pullx/pullf) file\n", i);
}
- read_pull_xf(fnPull[i], header, window+i, opt, FALSE, nullptr, nullptr,
+ read_pull_xf(fnPull[i],
+ header,
+ window + i,
+ opt,
+ FALSE,
+ nullptr,
+ nullptr,
(opt->nCoordsel > 0) ? &opt->coordsel[i] : nullptr);
if (window[i].Ntot[0] == 0)
{
}
if (!foundData)
{
- gmx_fatal(FARGS, "No data points were found in pullf/pullx files. Maybe you need to specify the -b option?\n");
+ gmx_fatal(FARGS,
+ "No data points were found in pullf/pullx files. Maybe you need to specify the "
+ "-b option?\n");
}
for (i = 0; i < nfiles; i++)
* Note: Here we consider tau[int] := int_0^inf ACF(t) as the integrated autocorrelation times.
* The factor `g := 1 + 2*tau[int]` subsequently enters the uncertainty.
*/
-static void readIntegratedAutocorrelationTimes(t_UmbrellaWindow *window, int nwins, const char* fn)
+static void readIntegratedAutocorrelationTimes(t_UmbrellaWindow* window, int nwins, const char* fn)
{
int nlines, ny, i, ig;
- double **iact;
+ double** iact;
printf("Readging Integrated autocorrelation times from %s ...\n", fn);
nlines = read_xvg(fn, &iact, &ny);
if (nlines != nwins)
{
- gmx_fatal(FARGS, "Found %d lines with integrated autocorrelation times in %s.\nExpected %d",
- nlines, fn, nwins);
+ gmx_fatal(FARGS,
+ "Found %d lines with integrated autocorrelation times in %s.\nExpected %d",
+ nlines,
+ fn,
+ nwins);
}
for (i = 0; i < nlines; i++)
{
if (window[i].nPull != ny)
{
- gmx_fatal(FARGS, "You are providing autocorrelation times with option -iiact and the\n"
+ gmx_fatal(FARGS,
+ "You are providing autocorrelation times with option -iiact and the\n"
"number of pull groups is different in different simulations. That is not\n"
"supported yet. Sorry.\n");
}
for (ig = 0; ig < window[i].nPull; ig++)
{
/* compare Kumar et al, J Comp Chem 13, 1011-1021 (1992) */
- window[i].g[ig] = 1+2*iact[ig][i]/window[i].dt;
+ window[i].g[ig] = 1 + 2 * iact[ig][i] / window[i].dt;
if (iact[ig][i] <= 0.0)
{
* If opt->bAllowReduceIact==FALSE, the ACTs are never reduced, only increased
* by the smoothing
*/
-static void smoothIact(t_UmbrellaWindow *window, int nwins, t_UmbrellaOptions *opt)
+static void smoothIact(t_UmbrellaWindow* window, int nwins, t_UmbrellaOptions* opt)
{
int i, ig, j, jg;
double pos, dpos2, siglim, siglim2, gaufact, invtwosig2, w, weight, tausm;
/* only evaluate within +- 3sigma of the Gausian */
- siglim = 3.0*opt->sigSmoothIact;
+ siglim = 3.0 * opt->sigSmoothIact;
siglim2 = gmx::square(siglim);
/* pre-factor of Gaussian */
- gaufact = 1.0/(std::sqrt(2*M_PI)*opt->sigSmoothIact);
- invtwosig2 = 0.5/gmx::square(opt->sigSmoothIact);
+ gaufact = 1.0 / (std::sqrt(2 * M_PI) * opt->sigSmoothIact);
+ invtwosig2 = 0.5 / gmx::square(opt->sigSmoothIact);
for (i = 0; i < nwins; i++)
{
{
for (jg = 0; jg < window[j].nPull; jg++)
{
- dpos2 = gmx::square(window[j].pos[jg]-pos);
+ dpos2 = gmx::square(window[j].pos[jg] - pos);
if (dpos2 < siglim2)
{
- w = gaufact*std::exp(-dpos2*invtwosig2);
+ w = gaufact * std::exp(-dpos2 * invtwosig2);
weight += w;
- tausm += w*window[j].tau[jg];
+ tausm += w * window[j].tau[jg];
/*printf("Weight %g dpos2=%g pos=%g gaufact=%g invtwosig2=%g\n",
w,dpos2,pos,gaufact,invtwosig2); */
}
{
window[i].tausmooth[ig] = window[i].tau[ig];
}
- window[i].g[ig] = 1+2*tausm/window[i].dt;
+ window[i].g[ig] = 1 + 2 * tausm / window[i].dt;
}
}
}
/*! \brief Try to compute the autocorrelation time for each umbrealla window
*/
-static void calcIntegratedAutocorrelationTimes(t_UmbrellaWindow *window, int nwins,
- t_UmbrellaOptions *opt, const char *fn, const char *xlabel)
+static void calcIntegratedAutocorrelationTimes(t_UmbrellaWindow* window,
+ int nwins,
+ t_UmbrellaOptions* opt,
+ const char* fn,
+ const char* xlabel)
{
int i, ig, ncorr, ntot, j, k, *count, restart;
real *corr, c0, dt, tmp;
if (opt->verbose)
{
- fpcorr = xvgropen("hist_autocorr.xvg", "Autocorrelation functions of umbrella windows",
- "time [ps]", "autocorrelation function", opt->oenv);
+ fpcorr = xvgropen("hist_autocorr.xvg",
+ "Autocorrelation functions of umbrella windows",
+ "time [ps]",
+ "autocorrelation function",
+ opt->oenv);
}
printf("\n");
for (i = 0; i < nwins; i++)
{
- fprintf(stdout, "\rEstimating integrated autocorrelation times ... [%2.0f%%] ...", 100.*(i+1)/nwins);
+ fprintf(stdout,
+ "\rEstimating integrated autocorrelation times ... [%2.0f%%] ...",
+ 100. * (i + 1) / nwins);
fflush(stdout);
ntot = window[i].Ntot[0];
/* using half the maximum time as length of autocorrelation function */
- ncorr = ntot/2;
+ ncorr = ntot / 2;
if (ntot < 10)
{
- gmx_fatal(FARGS, "Tryig to estimtate autocorrelation time from only %d"
- " points. Provide more pull data!", ntot);
+ gmx_fatal(FARGS,
+ "Tryig to estimtate autocorrelation time from only %d"
+ " points. Provide more pull data!",
+ ntot);
}
snew(corr, ncorr);
/* snew(corrSq,ncorr); */
snew(count, ncorr);
dt = window[i].dt;
snew(window[i].tau, window[i].nPull);
- restart = static_cast<int>(opt->acTrestart/dt+0.5);
+ restart = gmx::roundToInt(opt->acTrestart / dt);
if (restart == 0)
{
restart = 1;
{
if (ntot != window[i].Ntot[ig])
{
- gmx_fatal(FARGS, "Encountered different nr of frames in different pull groups.\n"
- "That should not happen. (%d and %d)\n", ntot, window[i].Ntot[ig]);
+ gmx_fatal(FARGS,
+ "Encountered different nr of frames in different pull groups.\n"
+ "That should not happen. (%d and %d)\n",
+ ntot,
+ window[i].Ntot[ig]);
}
ztime = window[i].ztime[ig];
}
for (j = 0; (j < ntot); j += restart)
{
- for (k = 0; (k < ncorr) && (j+k < ntot); k++)
+ for (k = 0; (k < ncorr) && (j + k < ntot); k++)
{
- tmp = (ztime[j]-av)*(ztime[j+k]-av);
- corr [k] += tmp;
+ tmp = (ztime[j] - av) * (ztime[j + k] - av);
+ corr[k] += tmp;
/* corrSq[k] += tmp*tmp; */
count[k]++;
}
for (k = 0; (k < ncorr); k++)
{
/* count probably = (ncorr-k+(restart-1))/restart; */
- corr[k] = corr[k]/count[k];
+ corr[k] = corr[k] / count[k];
/* variance of autocorrelation function */
/* corrSq[k]=corrSq[k]/count[k]; */
}
/* normalize such that corr[0] == 0 */
- c0 = 1./corr[0];
+ c0 = 1. / corr[0];
for (k = 0; (k < ncorr); k++)
{
corr[k] *= c0;
{
for (k = 0; (k < ncorr); k++)
{
- fprintf(fpcorr, "%g %g\n", k*dt, corr[k]);
+ fprintf(fpcorr, "%g %g\n", k * dt, corr[k]);
}
fprintf(fpcorr, "%s\n", output_env_get_print_xvgr_codes(opt->oenv) ? "&" : "");
}
/* esimate integrated correlation time, fitting is too unstable */
- tausteps = 0.5*corr[0];
+ tausteps = 0.5 * corr[0];
/* consider corr below WHAM_AC_ZERO_LIMIT as noise */
for (j = 1; (j < ncorr) && (corr[j] > WHAM_AC_ZERO_LIMIT); j++)
{
/* g = 1+2*tau, see. Ferrenberg/Swendsen, PRL 63:1195 (1989) or
Kumar et al, eq. 28 ff. */
- window[i].tau[ig] = tausteps*dt;
- window[i].g[ig] = 1+2*tausteps;
+ window[i].tau[ig] = tausteps * dt;
+ window[i].g[ig] = 1 + 2 * tausteps;
/* printf("win %d, group %d, estimated correlation time = %g ps\n",i,ig,window[i].tau[ig]); */
} /* ig loop */
sfree(corr);
}
if (opt->sigSmoothIact > 0.0)
{
- printf("Smoothing autocorrelation times along reaction coordinate with Gaussian of sig = %g\n",
+ printf("Smoothing autocorrelation times along reaction coordinate with Gaussian of sig = "
+ "%g\n",
opt->sigSmoothIact);
/* smooth IACT along reaction coordinate and overwrite g=1+2tau */
smoothIact(window, nwins, opt);
/*! \brief
* compute average and sigma of each umbrella histogram
*/
-static void averageSigma(t_UmbrellaWindow *window, int nwins)
+static void averageSigma(t_UmbrellaWindow* window, int nwins)
{
int i, ig, ntot, k;
real av, sum2, sig, diff, *ztime, nSamplesIndep;
av /= ntot;
for (k = 0, sum2 = 0.; k < ntot; k++)
{
- diff = ztime[k]-av;
- sum2 += diff*diff;
+ diff = ztime[k] - av;
+ sum2 += diff * diff;
}
- sig = std::sqrt(sum2/ntot);
+ sig = std::sqrt(sum2 / ntot);
window[i].aver[ig] = av;
/* Note: This estimate for sigma is biased from the limited sampling.
*/
if (window[i].tau)
{
- nSamplesIndep = window[i].N[ig]/(window[i].tau[ig]/window[i].dt);
- window[i].sigma[ig] = sig * nSamplesIndep/(nSamplesIndep-1);
+ nSamplesIndep = window[i].N[ig] / (window[i].tau[ig] / window[i].dt);
+ window[i].sigma[ig] = sig * nSamplesIndep / (nSamplesIndep - 1);
}
else
{
/*! \brief
* Use histograms to compute average force on pull group.
*/
-static void computeAverageForce(t_UmbrellaWindow *window, int nWindows, t_UmbrellaOptions *opt)
+static void computeAverageForce(t_UmbrellaWindow* window, int nWindows, t_UmbrellaOptions* opt)
{
int i, j, bins = opt->bins, k;
double dz, min = opt->min, max = opt->max, displAv, temp, distance, ztot, ztot_half, w, weight;
double posmirrored;
- dz = (max-min)/bins;
- ztot = opt->max-min;
- ztot_half = ztot/2;
+ dz = (max - min) / bins;
+ ztot = opt->max - min;
+ ztot_half = ztot / 2;
/* Compute average displacement from histograms */
for (j = 0; j < nWindows; ++j)
weight = 0.0;
for (i = 0; i < opt->bins; ++i)
{
- temp = (1.0*i+0.5)*dz+min;
+ temp = (1.0 * i + 0.5) * dz + min;
distance = temp - window[j].pos[k];
if (opt->bCycl)
- { /* in cyclic wham: */
- if (distance > ztot_half) /* |distance| < ztot_half */
+ { /* in cyclic wham: */
+ if (distance > ztot_half) /* |distance| < ztot_half */
{
distance -= ztot;
}
distance += ztot;
}
}
- w = window[j].Histo[k][i]/window[j].g[k];
- displAv += w*distance;
- weight += w;
+ w = window[j].Histo[k][i] / window[j].g[k];
+ displAv += w * distance;
+ weight += w;
/* Are we near min or max? We are getting wrong forces from the histgrams since
the histograms are zero outside [min,max). Therefore, assume that the position
on the other side of the histomgram center is equally likely. */
if (!opt->bCycl)
{
- posmirrored = window[j].pos[k]-distance;
+ posmirrored = window[j].pos[k] - distance;
if (posmirrored >= max || posmirrored < min)
{
- displAv += -w*distance;
- weight += w;
+ displAv += -w * distance;
+ weight += w;
}
}
}
- displAv /= weight;
+ displAv /= weight;
/* average force from average displacement */
- window[j].forceAv[k] = displAv*window[j].k[k];
+ window[j].forceAv[k] = displAv * window[j].k[k];
/* sigma from average square displacement */
/* window[j].sigma [k] = sqrt(displAv2); */
/* printf("Win %d, sigma = %f\n",j,sqrt(displAv2)); */
/*! \brief
* Check if the complete reaction coordinate is covered by the histograms
*/
-static void checkReactionCoordinateCovered(t_UmbrellaWindow *window, int nwins,
- t_UmbrellaOptions *opt)
+static void checkReactionCoordinateCovered(t_UmbrellaWindow* window, int nwins, t_UmbrellaOptions* opt)
{
- int i, ig, j, bins = opt->bins, bBoundary;
+ int i, ig, j, bins = opt->bins;
+ bool bBoundary;
real avcount = 0, z, relcount, *count;
snew(count, opt->bins);
count[j] += window[i].Histo[ig][j];
}
}
- avcount += 1.0*count[j];
+ avcount += 1.0 * count[j];
}
avcount /= bins;
for (j = 0; j < bins; ++j)
{
- relcount = count[j]/avcount;
- z = (j+0.5)*opt->dz+opt->min;
- bBoundary = ( j<bins/20 || (bins-j)>bins/20 );
+ relcount = count[j] / avcount;
+ z = (j + 0.5) * opt->dz + opt->min;
+ bBoundary = j < bins / 20 || (bins - j) > bins / 20;
/* check for bins with no data */
if (count[j] == 0)
{
- fprintf(stderr, "\nWARNING, no data point in bin %d (z=%g) !\n"
- "You may not get a reasonable profile. Check your histograms!\n", j, z);
+ fprintf(stderr,
+ "\nWARNING, no data point in bin %d (z=%g) !\n"
+ "You may not get a reasonable profile. Check your histograms!\n",
+ j,
+ z);
}
/* and check for poor sampling */
else if (relcount < 0.005 && !bBoundary)
*
* This speeds up the convergence by roughly a factor of 2
*/
-static void guessPotByIntegration(t_UmbrellaWindow *window, int nWindows, t_UmbrellaOptions *opt, const char *xlabel)
+static void guessPotByIntegration(t_UmbrellaWindow* window, int nWindows, t_UmbrellaOptions* opt, const char* xlabel)
{
int i, j, ig, bins = opt->bins, nHist, winmin, groupmin;
double dz, min = opt->min, *pot, pos, hispos, dist, diff, fAv, distmin, *f;
- FILE *fp;
+ FILE* fp;
- dz = (opt->max-min)/bins;
+ dz = (opt->max - min) / bins;
printf("Getting initial potential by integration.\n");
snew(f, bins);
for (j = 0; j < opt->bins; ++j)
{
- pos = (1.0*j+0.5)*dz+min;
+ pos = (1.0 * j + 0.5) * dz + min;
nHist = 0;
fAv = 0.;
distmin = 1e20;
for (ig = 0; ig < window[i].nPull; ig++)
{
hispos = window[i].pos[ig];
- dist = std::abs(hispos-pos);
+ dist = std::abs(hispos - pos);
/* average force within bin */
- if (dist < dz/2)
+ if (dist < dz / 2)
{
nHist++;
fAv += window[i].forceAv[ig];
/* if no histogram found in this bin, use closest histogram */
if (nHist > 0)
{
- fAv = fAv/nHist;
+ fAv = fAv / nHist;
}
else
{
}
for (j = 1; j < opt->bins; ++j)
{
- pot[j] = pot[j-1] - 0.5*dz*(f[j-1]+f[j]);
+ pot[j] = pot[j - 1] - 0.5 * dz * (f[j - 1] + f[j]);
}
/* cyclic wham: linearly correct possible offset */
if (opt->bCycl)
{
- diff = (pot[bins-1]-pot[0])/(bins-1);
+ diff = (pot[bins - 1] - pot[0]) / (bins - 1);
for (j = 1; j < opt->bins; ++j)
{
- pot[j] -= j*diff;
+ pot[j] -= j * diff;
}
}
if (opt->verbose)
fp = xvgropen("pmfintegrated.xvg", "PMF from force integration", xlabel, "PMF (kJ/mol)", opt->oenv);
for (j = 0; j < opt->bins; ++j)
{
- fprintf(fp, "%g %g\n", (j+0.5)*dz+opt->min, pot[j]);
+ fprintf(fp, "%g %g\n", (j + 0.5) * dz + opt->min, pot[j]);
}
xvgrclose(fp);
printf("verbose mode: wrote %s with PMF from interated forces\n", "pmfintegrated.xvg");
*/
for (j = 0; j < opt->bins; ++j)
{
- pot[j] = std::exp(-pot[j]/(BOLTZ*opt->Temperature));
+ pot[j] = std::exp(-pot[j] / (gmx::c_boltz * opt->Temperature));
}
calc_z(pot, window, nWindows, opt, TRUE);
}
//! Count number of words in an line
-static int wordcount(char *ptr)
+static int wordcount(char* ptr)
{
int i, n, is[2];
int cur = 0;
for (i = 0; (ptr[i] != '\0'); i++)
{
is[cur] = isspace(ptr[i]);
- if ((i > 0) && (is[cur] && !is[1-cur]))
+ if ((i > 0) && (is[cur] && !is[1 - cur]))
{
n++;
}
- cur = 1-cur;
+ cur = 1 - cur;
}
return n;
}
*
* TO DO: ptr=fgets(...) is never freed (small memory leak)
*/
-static void readPullCoordSelection(t_UmbrellaOptions *opt, char **fnTpr, int nTpr)
+static void readPullCoordSelection(t_UmbrellaOptions* opt, char** fnTpr, int nTpr)
{
- FILE *fp;
+ FILE* fp;
int i, iline, n, len = STRLEN, temp;
char *ptr = nullptr, *tmpbuf = nullptr;
char fmt[1024], fmtign[1024];
snew(tmpbuf, len);
sizenow = 0;
iline = 0;
- while ( (ptr = fgets3(fp, tmpbuf, &len)) != nullptr)
+ while ((ptr = fgets3(fp, tmpbuf, &len)) != nullptr)
{
trim(ptr);
n = wordcount(ptr);
opt->nCoordsel = iline;
if (nTpr != opt->nCoordsel)
{
- gmx_fatal(FARGS, "Found %d tpr files but %d lines in %s\n", nTpr, opt->nCoordsel,
- opt->fnCoordSel);
+ gmx_fatal(FARGS, "Found %d tpr files but %d lines in %s\n", nTpr, opt->nCoordsel, opt->fnCoordSel);
}
printf("\nUse only these pull coordinates:\n");
for (iline = 0; iline < nTpr; iline++)
{
- printf("%s (%d of %d coordinates):", fnTpr[iline], opt->coordsel[iline].nUse, opt->coordsel[iline].n);
+ printf("%s (%d of %d coordinates):",
+ fnTpr[iline],
+ opt->coordsel[iline].nUse,
+ opt->coordsel[iline].n);
for (i = 0; i < opt->coordsel[iline].n; i++)
{
if (opt->coordsel[iline].bUse[i])
{
- printf(" %d", i+1);
+ printf(" %d", i + 1);
}
}
printf("\n");
}
//! Boolean XOR
-#define WHAMBOOLXOR(a, b) ( ((!(a)) && (b)) || ((a) && (!(b))))
+#define WHAMBOOLXOR(a, b) (((!(a)) && (b)) || ((a) && (!(b))))
//! Number of elements in fnm (used for command line parsing)
#define NFILE asize(fnm)
//! The main gmx wham routine
-int gmx_wham(int argc, char *argv[])
+int gmx_wham(int argc, char* argv[])
{
- const char *desc[] = {
+ const char* desc[] = {
"[THISMODULE] is an analysis program that implements the Weighted",
"Histogram Analysis Method (WHAM). It is intended to analyze",
"output files generated by umbrella sampling simulations to ",
" the pullx [TT]mdrun[tt] output files. The [REF].tpr[ref] and pullx files must",
" be in corresponding order, i.e. the first [REF].tpr[ref] created the",
" first pullx, etc.",
- "* Same as the previous input mode, except that the the user",
+ "* Same as the previous input mode, except that the user",
" provides the pull force output file names ([TT]pullf.xvg[tt]) with option [TT]-if[tt].",
" From the pull force the position in the umbrella potential is",
" computed. This does not work with tabulated umbrella potentials.",
- "* With option [TT]-ip[tt], the user provides file names of (gzipped) [REF].pdo[ref] files, i.e.",
- " the GROMACS 3.3 umbrella output files. If you have some unusual",
- " reaction coordinate you may also generate your own [REF].pdo[ref] files and",
- " feed them with the [TT]-ip[tt] option into to [THISMODULE]. The [REF].pdo[ref] file header",
- " must be similar to the following::",
- "",
- " # UMBRELLA 3.0",
- " # Component selection: 0 0 1",
- " # nSkip 1",
- " # Ref. Group 'TestAtom'",
- " # Nr. of pull groups 2",
- " # Group 1 'GR1' Umb. Pos. 5.0 Umb. Cons. 1000.0",
- " # Group 2 'GR2' Umb. Pos. 2.0 Umb. Cons. 500.0",
- " #####",
"",
- " The number of pull groups, umbrella positions, force constants, and names ",
- " may (of course) differ. Following the header, a time column and ",
- " a data column for each pull group follows (i.e. the displacement",
- " with respect to the umbrella center). Up to four pull groups are possible ",
- " per [REF].pdo[ref] file at present.[PAR]",
- "By default, all pull coordinates found in all pullx/pullf files are used in WHAM. If only ",
- "some of the pull coordinates should be used, a pull coordinate selection file (option [TT]-is[tt]) can ",
+ "By default, all pull coordinates found in all pullx/pullf files are used in WHAM. If ",
+ "only ",
+ "some of the pull coordinates should be used, a pull coordinate selection file (option ",
+ "[TT]-is[tt]) can ",
"be provided. The selection file must contain one line for each tpr file in tpr-files.dat.",
- "Each of these lines must contain one digit (0 or 1) for each pull coordinate in the tpr file. ",
- "Here, 1 indicates that the pull coordinate is used in WHAM, and 0 means it is omitted. Example:",
- "If you have three tpr files, each containing 4 pull coordinates, but only pull coordinates 1 and 2 should be ",
+ "Each of these lines must contain one digit (0 or 1) for each pull coordinate in the tpr ",
+ "file. ",
+ "Here, 1 indicates that the pull coordinate is used in WHAM, and 0 means it is omitted. ",
+ "Example:",
+ "If you have three tpr files, each containing 4 pull coordinates, but only pull ",
+ "coordinates 1 and 2 should be ",
"used, coordsel.dat looks like this::",
"",
" 1 1 0 0",
"",
"Always check whether the histograms sufficiently overlap.[PAR]",
"The umbrella potential is assumed to be harmonic and the force constants are ",
- "read from the [REF].tpr[ref] or [REF].pdo[ref] files. If a non-harmonic umbrella force was applied ",
+ "read from the [REF].tpr[ref] files. If a non-harmonic umbrella force ",
+ "was applied ",
"a tabulated potential can be provided with [TT]-tab[tt].",
"",
"WHAM options",
"less robust) method such as fitting to a double exponential, you can ",
"compute the IACTs with [gmx-analyze] and provide them to [THISMODULE] with the file ",
"[TT]iact-in.dat[tt] (option [TT]-iiact[tt]), which should contain one line per ",
- "input file ([REF].pdo[ref] or pullx/f file) and one column per pull coordinate in the respective file.",
+ "input file (pullx/pullf file) and one column per pull coordinate in the ",
+ "respective file.",
"",
"Error analysis",
"^^^^^^^^^^^^^^",
" and properly autocorrelated. The autocorrelation time (ACT) for each window must be ",
" known, so use [TT]-ac[tt] or provide the ACT with [TT]-iiact[tt]. If the ACT of all ",
" windows are identical (and known), you can also provide them with [TT]-bs-tau[tt]. ",
- " Note that this method may severely underestimate the error in case of limited sampling, ",
+ " Note that this method may severely underestimate the error in case of limited ",
+ " sampling, ",
" that is if individual histograms do not represent the complete phase space at ",
" the respective positions.",
"* [TT]traj-gauss[tt] The same as method [TT]traj[tt], but the trajectories are ",
"the histograms."
};
- const char *en_unit[] = {nullptr, "kJ", "kCal", "kT", nullptr};
- const char *en_unit_label[] = {"", "E (kJ mol\\S-1\\N)", "E (kcal mol\\S-1\\N)", "E (kT)", nullptr};
- const char *en_bsMethod[] = { nullptr, "b-hist", "hist", "traj", "traj-gauss", nullptr };
+ const char* en_unit[] = { nullptr, "kJ", "kCal", "kT", nullptr };
+ const char* en_unit_label[] = { "", "E (kJ mol\\S-1\\N)", "E (kcal mol\\S-1\\N)", "E (kT)", nullptr };
+ const char* en_bsMethod[] = { nullptr, "b-hist", "hist", "traj", "traj-gauss", nullptr };
static t_UmbrellaOptions opt;
- t_pargs pa[] = {
- { "-min", FALSE, etREAL, {&opt.min},
- "Minimum coordinate in profile"},
- { "-max", FALSE, etREAL, {&opt.max},
- "Maximum coordinate in profile"},
- { "-auto", FALSE, etBOOL, {&opt.bAuto},
- "Determine min and max automatically"},
- { "-bins", FALSE, etINT, {&opt.bins},
- "Number of bins in profile"},
- { "-temp", FALSE, etREAL, {&opt.Temperature},
- "Temperature"},
- { "-tol", FALSE, etREAL, {&opt.Tolerance},
- "Tolerance"},
- { "-v", FALSE, etBOOL, {&opt.verbose},
- "Verbose mode"},
- { "-b", FALSE, etREAL, {&opt.tmin},
- "First time to analyse (ps)"},
- { "-e", FALSE, etREAL, {&opt.tmax},
- "Last time to analyse (ps)"},
- { "-dt", FALSE, etREAL, {&opt.dt},
- "Analyse only every dt ps"},
- { "-histonly", FALSE, etBOOL, {&opt.bHistOnly},
- "Write histograms and exit"},
- { "-boundsonly", FALSE, etBOOL, {&opt.bBoundsOnly},
- "Determine min and max and exit (with [TT]-auto[tt])"},
- { "-log", FALSE, etBOOL, {&opt.bLog},
- "Calculate the log of the profile before printing"},
- { "-unit", FALSE, etENUM, {en_unit},
- "Energy unit in case of log output" },
- { "-zprof0", FALSE, etREAL, {&opt.zProf0},
- "Define profile to 0.0 at this position (with [TT]-log[tt])"},
- { "-cycl", FALSE, etBOOL, {&opt.bCycl},
- "Create cyclic/periodic profile. Assumes min and max are the same point."},
- { "-sym", FALSE, etBOOL, {&opt.bSym},
- "Symmetrize profile around z=0"},
- { "-hist-eq", FALSE, etBOOL, {&opt.bHistEq},
- "HIDDENEnforce equal weight for all histograms. (Non-Weighed-HAM)"},
- { "-ac", FALSE, etBOOL, {&opt.bCalcTauInt},
- "Calculate integrated autocorrelation times and use in wham"},
- { "-acsig", FALSE, etREAL, {&opt.sigSmoothIact},
- "Smooth autocorrelation times along reaction coordinate with Gaussian of this [GRK]sigma[grk]"},
- { "-ac-trestart", FALSE, etREAL, {&opt.acTrestart},
- "When computing autocorrelation functions, restart computing every .. (ps)"},
- { "-acred", FALSE, etBOOL, {&opt.bAllowReduceIact},
+ t_pargs pa[] = {
+ { "-min", FALSE, etREAL, { &opt.min }, "Minimum coordinate in profile" },
+ { "-max", FALSE, etREAL, { &opt.max }, "Maximum coordinate in profile" },
+ { "-auto", FALSE, etBOOL, { &opt.bAuto }, "Determine min and max automatically" },
+ { "-bins", FALSE, etINT, { &opt.bins }, "Number of bins in profile" },
+ { "-temp", FALSE, etREAL, { &opt.Temperature }, "Temperature" },
+ { "-tol", FALSE, etREAL, { &opt.Tolerance }, "Tolerance" },
+ { "-v", FALSE, etBOOL, { &opt.verbose }, "Verbose mode" },
+ { "-b", FALSE, etREAL, { &opt.tmin }, "First time to analyse (ps)" },
+ { "-e", FALSE, etREAL, { &opt.tmax }, "Last time to analyse (ps)" },
+ { "-dt", FALSE, etREAL, { &opt.dt }, "Analyse only every dt ps" },
+ { "-histonly", FALSE, etBOOL, { &opt.bHistOnly }, "Write histograms and exit" },
+ { "-boundsonly",
+ FALSE,
+ etBOOL,
+ { &opt.bBoundsOnly },
+ "Determine min and max and exit (with [TT]-auto[tt])" },
+ { "-log", FALSE, etBOOL, { &opt.bLog }, "Calculate the log of the profile before printing" },
+ { "-unit", FALSE, etENUM, { en_unit }, "Energy unit in case of log output" },
+ { "-zprof0",
+ FALSE,
+ etREAL,
+ { &opt.zProf0 },
+ "Define profile to 0.0 at this position (with [TT]-log[tt])" },
+ { "-cycl",
+ FALSE,
+ etBOOL,
+ { &opt.bCycl },
+ "Create cyclic/periodic profile. Assumes min and max are the same point." },
+ { "-sym", FALSE, etBOOL, { &opt.bSym }, "Symmetrize profile around z=0" },
+ { "-hist-eq",
+ FALSE,
+ etBOOL,
+ { &opt.bHistEq },
+ "HIDDENEnforce equal weight for all histograms. (Non-Weighed-HAM)" },
+ { "-ac",
+ FALSE,
+ etBOOL,
+ { &opt.bCalcTauInt },
+ "Calculate integrated autocorrelation times and use in wham" },
+ { "-acsig",
+ FALSE,
+ etREAL,
+ { &opt.sigSmoothIact },
+ "Smooth autocorrelation times along reaction coordinate with Gaussian of this "
+ "[GRK]sigma[grk]" },
+ { "-ac-trestart",
+ FALSE,
+ etREAL,
+ { &opt.acTrestart },
+ "When computing autocorrelation functions, restart computing every .. (ps)" },
+ { "-acred",
+ FALSE,
+ etBOOL,
+ { &opt.bAllowReduceIact },
"HIDDENWhen smoothing the ACTs, allows one to reduce ACTs. Otherwise, only increase ACTs "
- "during smoothing"},
- { "-nBootstrap", FALSE, etINT, {&opt.nBootStrap},
+ "during smoothing" },
+ { "-nBootstrap",
+ FALSE,
+ etINT,
+ { &opt.nBootStrap },
"nr of bootstraps to estimate statistical uncertainty (e.g., 200)" },
- { "-bs-method", FALSE, etENUM, {en_bsMethod},
- "Bootstrap method" },
- { "-bs-tau", FALSE, etREAL, {&opt.tauBootStrap},
- "Autocorrelation time (ACT) assumed for all histograms. Use option [TT]-ac[tt] if ACT is unknown."},
- { "-bs-seed", FALSE, etINT, {&opt.bsSeed},
- "Seed for bootstrapping. (-1 = use time)"},
- { "-histbs-block", FALSE, etINT, {&opt.histBootStrapBlockLength},
- "When mixing histograms only mix within blocks of [TT]-histbs-block[tt]."},
- { "-vbs", FALSE, etBOOL, {&opt.bs_verbose},
- "Verbose bootstrapping. Print the CDFs and a histogram file for each bootstrap."},
- { "-stepout", FALSE, etINT, {&opt.stepchange},
- "HIDDENWrite maximum change every ... (set to 1 with [TT]-v[tt])"},
- { "-updateContr", FALSE, etINT, {&opt.stepUpdateContrib},
- "HIDDENUpdate table with significan contributions to WHAM every ... iterations"},
+ { "-bs-method", FALSE, etENUM, { en_bsMethod }, "Bootstrap method" },
+ { "-bs-tau",
+ FALSE,
+ etREAL,
+ { &opt.tauBootStrap },
+ "Autocorrelation time (ACT) assumed for all histograms. Use option [TT]-ac[tt] if ACT is "
+ "unknown." },
+ { "-bs-seed", FALSE, etINT, { &opt.bsSeed }, "Seed for bootstrapping. (-1 = use time)" },
+ { "-histbs-block",
+ FALSE,
+ etINT,
+ { &opt.histBootStrapBlockLength },
+ "When mixing histograms only mix within blocks of [TT]-histbs-block[tt]." },
+ { "-vbs",
+ FALSE,
+ etBOOL,
+ { &opt.bs_verbose },
+ "Verbose bootstrapping. Print the CDFs and a histogram file for each bootstrap." },
+ { "-stepout",
+ FALSE,
+ etINT,
+ { &opt.stepchange },
+ "HIDDENWrite maximum change every ... (set to 1 with [TT]-v[tt])" },
+ { "-updateContr",
+ FALSE,
+ etINT,
+ { &opt.stepUpdateContrib },
+ "HIDDENUpdate table with significan contributions to WHAM every ... iterations" },
};
- t_filenm fnm[] = {
- { efDAT, "-ix", "pullx-files", ffOPTRD}, /* wham input: pullf.xvg's and tprs */
- { efDAT, "-if", "pullf-files", ffOPTRD}, /* wham input: pullf.xvg's and tprs */
- { efDAT, "-it", "tpr-files", ffOPTRD}, /* wham input: tprs */
- { efDAT, "-ip", "pdo-files", ffOPTRD}, /* wham input: pdo files (gmx3 style) */
- { efDAT, "-is", "coordsel", ffOPTRD}, /* input: select pull coords to use */
- { efXVG, "-o", "profile", ffWRITE }, /* output file for profile */
- { efXVG, "-hist", "histo", ffWRITE}, /* output file for histograms */
- { efXVG, "-oiact", "iact", ffOPTWR}, /* writing integrated autocorrelation times */
- { efDAT, "-iiact", "iact-in", ffOPTRD}, /* reading integrated autocorrelation times */
- { efXVG, "-bsres", "bsResult", ffOPTWR}, /* average and errors of bootstrap analysis */
- { efXVG, "-bsprof", "bsProfs", ffOPTWR}, /* output file for bootstrap profiles */
- { efDAT, "-tab", "umb-pot", ffOPTRD}, /* Tabulated umbrella potential (if not harmonic) */
+ t_filenm fnm[] = {
+ { efDAT, "-ix", "pullx-files", ffOPTRD }, /* wham input: pullf.xvg's and tprs */
+ { efDAT, "-if", "pullf-files", ffOPTRD }, /* wham input: pullf.xvg's and tprs */
+ { efDAT, "-it", "tpr-files", ffOPTRD }, /* wham input: tprs */
+ { efDAT, "-is", "coordsel", ffOPTRD }, /* input: select pull coords to use */
+ { efXVG, "-o", "profile", ffWRITE }, /* output file for profile */
+ { efXVG, "-hist", "histo", ffWRITE }, /* output file for histograms */
+ { efXVG, "-oiact", "iact", ffOPTWR }, /* writing integrated autocorrelation times */
+ { efDAT, "-iiact", "iact-in", ffOPTRD }, /* reading integrated autocorrelation times */
+ { efXVG, "-bsres", "bsResult", ffOPTWR }, /* average and errors of bootstrap analysis */
+ { efXVG, "-bsprof", "bsProfs", ffOPTWR }, /* output file for bootstrap profiles */
+ { efDAT, "-tab", "umb-pot", ffOPTRD }, /* Tabulated umbrella potential (if not harmonic) */
};
- int i, j, l, nfiles, nwins, nfiles2;
- t_UmbrellaHeader header;
- t_UmbrellaWindow * window = nullptr;
- double *profile, maxchange = 1e20;
- gmx_bool bMinSet, bMaxSet, bAutoSet, bExact = FALSE;
- char **fninTpr, **fninPull, **fninPdo;
- const char *fnPull;
- FILE *histout, *profout;
- char xlabel[STRLEN], ylabel[256], title[256];
+ int i, j, l, nfiles, nwins, nfiles2;
+ t_UmbrellaHeader header;
+ t_UmbrellaWindow* window = nullptr;
+ double * profile, maxchange = 1e20;
+ gmx_bool bMinSet, bMaxSet, bAutoSet, bExact = FALSE;
+ char ** fninTpr, **fninPull;
+ const char* fnPull;
+ FILE * histout, *profout;
+ char xlabel[STRLEN], ylabel[256], title[256];
opt.bins = 200;
opt.verbose = FALSE;
opt.stepchange = 100;
opt.stepUpdateContrib = 100;
- if (!parse_common_args(&argc, argv, 0,
- NFILE, fnm, asize(pa), pa, asize(desc), desc, 0, nullptr, &opt.oenv))
+ if (!parse_common_args(
+ &argc, argv, 0, NFILE, fnm, asize(pa), pa, asize(desc), desc, 0, nullptr, &opt.oenv))
{
return 0;
}
opt.unit = nenum(en_unit);
opt.bsMethod = nenum(en_bsMethod);
- opt.bProf0Set = opt2parg_bSet("-zprof0", asize(pa), pa);
+ opt.bProf0Set = opt2parg_bSet("-zprof0", asize(pa), pa);
opt.bTab = opt2bSet("-tab", NFILE, fnm);
- opt.bPdo = opt2bSet("-ip", NFILE, fnm);
opt.bTpr = opt2bSet("-it", NFILE, fnm);
opt.bPullx = opt2bSet("-ix", NFILE, fnm);
opt.bPullf = opt2bSet("-if", NFILE, fnm);
opt.bTauIntGiven = opt2bSet("-iiact", NFILE, fnm);
- if (opt.bTab && opt.bPullf)
+ if (opt.bTab && opt.bPullf)
{
- gmx_fatal(FARGS, "Force input does not work with tabulated potentials. "
- "Provide pullx.xvg or pdo files!");
+ gmx_fatal(FARGS,
+ "Force input does not work with tabulated potentials. "
+ "Provide pullx.xvg files!");
}
- if (!opt.bPdo && !WHAMBOOLXOR(opt.bPullx, opt.bPullf))
+ if (!WHAMBOOLXOR(opt.bPullx, opt.bPullf))
{
gmx_fatal(FARGS, "Give either pullx (-ix) OR pullf (-if) data. Not both.");
}
- if (!opt.bPdo && !(opt.bTpr || opt.bPullf || opt.bPullx))
- {
- gmx_fatal(FARGS, "gmx wham supports three input modes, pullx, pullf, or pdo file input."
- "\n\n Check gmx wham -h !");
- }
- opt.fnPdo = opt2fn("-ip", NFILE, fnm);
opt.fnTpr = opt2fn("-it", NFILE, fnm);
opt.fnPullf = opt2fn("-if", NFILE, fnm);
opt.fnPullx = opt2fn("-ix", NFILE, fnm);
opt.fnCoordSel = opt2fn_null("-is", NFILE, fnm);
- bMinSet = opt2parg_bSet("-min", asize(pa), pa);
- bMaxSet = opt2parg_bSet("-max", asize(pa), pa);
- bAutoSet = opt2parg_bSet("-auto", asize(pa), pa);
- if ( (bMinSet || bMaxSet) && bAutoSet)
+ bMinSet = opt2parg_bSet("-min", asize(pa), pa);
+ bMaxSet = opt2parg_bSet("-max", asize(pa), pa);
+ bAutoSet = opt2parg_bSet("-auto", asize(pa), pa);
+ if ((bMinSet || bMaxSet) && bAutoSet)
{
gmx_fatal(FARGS, "With -auto, do not give -min or -max\n");
}
- if ( (bMinSet && !bMaxSet) || (!bMinSet && bMaxSet))
+ if ((bMinSet && !bMaxSet) || (!bMinSet && bMaxSet))
{
gmx_fatal(FARGS, "When giving -min, you must give -max (and vice versa), too\n");
}
if (opt.bTauIntGiven && opt.bCalcTauInt)
{
- gmx_fatal(FARGS, "Either read (option -iiact) or calculate (option -ac) the\n"
+ gmx_fatal(FARGS,
+ "Either read (option -iiact) or calculate (option -ac) the\n"
"the autocorrelation times. Not both.");
}
if (opt.tauBootStrap > 0.0 && opt2parg_bSet("-ac", asize(pa), pa))
{
- gmx_fatal(FARGS, "Either compute autocorrelation times (ACTs) (option -ac) or "
+ gmx_fatal(FARGS,
+ "Either compute autocorrelation times (ACTs) (option -ac) or "
"provide it with -bs-tau for bootstrapping. Not Both.\n");
}
if (opt.tauBootStrap > 0.0 && opt2bSet("-iiact", NFILE, fnm))
{
- gmx_fatal(FARGS, "Either provide autocorrelation times (ACTs) with file iact-in.dat "
+ gmx_fatal(FARGS,
+ "Either provide autocorrelation times (ACTs) with file iact-in.dat "
"(option -iiact) or define all ACTs with -bs-tau for bootstrapping\n. Not Both.");
}
/* Reading gmx4/gmx5 pull output and tpr files */
- if (opt.bTpr || opt.bPullf || opt.bPullx)
- {
- read_wham_in(opt.fnTpr, &fninTpr, &nfiles, &opt);
-
- fnPull = opt.bPullf ? opt.fnPullf : opt.fnPullx;
- read_wham_in(fnPull, &fninPull, &nfiles2, &opt);
- printf("Found %d tpr and %d pull %s files in %s and %s, respectively\n",
- nfiles, nfiles2, opt.bPullf ? "force" : "position", opt.fnTpr, fnPull);
- if (nfiles != nfiles2)
- {
- gmx_fatal(FARGS, "Found %d file names in %s, but %d in %s\n", nfiles,
- opt.fnTpr, nfiles2, fnPull);
- }
-
- /* Read file that selects the pull group to be used */
- if (opt.fnCoordSel != nullptr)
- {
- readPullCoordSelection(&opt, fninTpr, nfiles);
- }
+ read_wham_in(opt.fnTpr, &fninTpr, &nfiles, &opt);
- window = initUmbrellaWindows(nfiles);
- read_tpr_pullxf_files(fninTpr, fninPull, nfiles, &header, window, &opt);
+ fnPull = opt.bPullf ? opt.fnPullf : opt.fnPullx;
+ read_wham_in(fnPull, &fninPull, &nfiles2, &opt);
+ printf("Found %d tpr and %d pull %s files in %s and %s, respectively\n",
+ nfiles,
+ nfiles2,
+ opt.bPullf ? "force" : "position",
+ opt.fnTpr,
+ fnPull);
+ if (nfiles != nfiles2)
+ {
+ gmx_fatal(FARGS, "Found %d file names in %s, but %d in %s\n", nfiles, opt.fnTpr, nfiles2, fnPull);
}
- else
- { /* reading pdo files */
- if (opt.fnCoordSel != nullptr)
- {
- gmx_fatal(FARGS, "Reading a -is file is not supported with PDO input files.\n"
- "Use awk or a similar tool to pick the required pull groups from your PDO files\n");
- }
- read_wham_in(opt.fnPdo, &fninPdo, &nfiles, &opt);
- printf("Found %d pdo files in %s\n", nfiles, opt.fnPdo);
- window = initUmbrellaWindows(nfiles);
- read_pdo_files(fninPdo, nfiles, &header, window, &opt);
+
+ /* Read file that selects the pull group to be used */
+ if (opt.fnCoordSel != nullptr)
+ {
+ readPullCoordSelection(&opt, fninTpr, nfiles);
}
+ window = initUmbrellaWindows(nfiles);
+ read_tpr_pullxf_files(fninTpr, fninPull, nfiles, &header, window, &opt);
+
/* It is currently assumed that all pull coordinates have the same geometry, so they also have the same coordinate units.
We can therefore get the units for the xlabel from the first coordinate. */
sprintf(xlabel, "\\xx\\f{} (%s)", header.pcrd[0].coord_unit);
}
/* write histograms */
- histout = xvgropen(opt2fn("-hist", NFILE, fnm), "Umbrella histograms",
- xlabel, "count", opt.oenv);
+ histout = xvgropen(opt2fn("-hist", NFILE, fnm), "Umbrella histograms", xlabel, "count", opt.oenv);
for (l = 0; l < opt.bins; ++l)
{
- fprintf(histout, "%e\t", (l+0.5)/opt.bins*(opt.max-opt.min)+opt.min);
+ fprintf(histout, "%e\t", (l + 0.5) / opt.bins * (opt.max - opt.min) + opt.min);
for (i = 0; i < nwins; ++i)
{
for (j = 0; j < window[i].nPull; ++j)
i = 0;
do
{
- if ( (i%opt.stepUpdateContrib) == 0)
+ if ((i % opt.stepUpdateContrib) == 0)
{
setup_acc_wham(profile, window, nwins, &opt);
}
printf("Switched to exact iteration in iteration %d\n", i);
}
calc_profile(profile, window, nwins, &opt, bExact);
- if (((i%opt.stepchange) == 0 || i == 1) && i != 0)
+ if (((i % opt.stepchange) == 0 || i == 1) && i != 0)
{
printf("\t%4d) Maximum change %e\n", i, maxchange);
}
i++;
- }
- while ( (maxchange = calc_z(profile, window, nwins, &opt, bExact)) > opt.Tolerance || !bExact);
+ } while ((maxchange = calc_z(profile, window, nwins, &opt, bExact)) > opt.Tolerance || !bExact);
printf("Converged in %d iterations. Final maximum change %g\n", i, maxchange);
/* calc error from Kumar's formula */
profout = xvgropen(opt2fn("-o", NFILE, fnm), title, xlabel, ylabel, opt.oenv);
for (i = 0; i < opt.bins; ++i)
{
- fprintf(profout, "%e\t%e\n", (i+0.5)/opt.bins*(opt.max-opt.min)+opt.min, profile[i]);
+ fprintf(profout, "%e\t%e\n", (i + 0.5) / opt.bins * (opt.max - opt.min) + opt.min, profile[i]);
}
xvgrclose(profout);
printf("Wrote %s\n", opt2fn("-o", NFILE, fnm));
/* Bootstrap Method */
if (opt.nBootStrap)
{
- do_bootstrapping(opt2fn("-bsres", NFILE, fnm), opt2fn("-bsprof", NFILE, fnm),
+ do_bootstrapping(opt2fn("-bsres", NFILE, fnm),
+ opt2fn("-bsprof", NFILE, fnm),
opt2fn("-hist", NFILE, fnm),
- xlabel, ylabel, profile, window, nwins, &opt);
+ xlabel,
+ ylabel,
+ profile,
+ window,
+ nwins,
+ &opt);
}
sfree(profile);