Start making IMD and swap model IMDModule

[gromacs.git] / src / gromacs / tools / dump.cpp

/*
 * This file is part of the GROMACS molecular simulation package.
 *
 * Copyright (c) 1991-2000, University of Groningen, The Netherlands.
 * Copyright (c) 2001-2013, The GROMACS development team.
 * Copyright (c) 2013,2014,2015,2016,2017,2018,2019, 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.
 *
 * GROMACS is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2.1
 * of the License, or (at your option) any later version.
 *
 * GROMACS is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with GROMACS; if not, see
 * http://www.gnu.org/licenses, or write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA.
 *
 * If you want to redistribute modifications to GROMACS, please
 * consider that scientific software is very special. Version
 * control is crucial - bugs must be traceable. We will be happy to
 * consider code for inclusion in the official distribution, but
 * derived work must not be called official GROMACS. Details are found
 * in the README & COPYING files - if they are missing, get the
 * official version at http://www.gromacs.org.
 *
 * To help us fund GROMACS development, we humbly ask that you cite
 * the research papers on the package. Check out http://www.gromacs.org.
 */
/*! \internal \file
 * \brief Implements gmx dump utility.
 *
 * \ingroup module_tools
 */
#include "gmxpre.h"

#include "dump.h"

#include "config.h"

#include <cassert>
#include <cmath>
#include <cstdio>
#include <cstring>

#include "gromacs/commandline/cmdlineoptionsmodule.h"
#include "gromacs/fileio/checkpoint.h"
#include "gromacs/fileio/enxio.h"
#include "gromacs/fileio/filetypes.h"
#include "gromacs/fileio/gmxfio.h"
#include "gromacs/fileio/mtxio.h"
#include "gromacs/fileio/tngio.h"
#include "gromacs/fileio/tpxio.h"
#include "gromacs/fileio/trrio.h"
#include "gromacs/fileio/xtcio.h"
#include "gromacs/gmxpreprocess/gmxcpp.h"
#include "gromacs/math/vecdump.h"
#include "gromacs/mdrun/mdmodules.h"
#include "gromacs/mdtypes/forcerec.h"
#include "gromacs/mdtypes/inputrec.h"
#include "gromacs/mdtypes/md_enums.h"
#include "gromacs/mdtypes/state.h"
#include "gromacs/options/basicoptions.h"
#include "gromacs/options/filenameoption.h"
#include "gromacs/options/ioptionscontainer.h"
#include "gromacs/topology/mtop_util.h"
#include "gromacs/topology/topology.h"
#include "gromacs/trajectory/energyframe.h"
#include "gromacs/trajectory/trajectoryframe.h"
#include "gromacs/utility/arraysize.h"
#include "gromacs/utility/basedefinitions.h"
#include "gromacs/utility/fatalerror.h"
#include "gromacs/utility/futil.h"
#include "gromacs/utility/smalloc.h"
#include "gromacs/utility/txtdump.h"

namespace gmx
{

namespace
{

//! Dump a TPR file
void list_tpr(const char *fn,
              gmx_bool    bShowNumbers,
              gmx_bool    bShowParameters,
              const char *mdpfn,
              gmx_bool    bSysTop,
              gmx_bool    bOriginalInputrec)
{
    FILE         *gp;
    int           indent, atot;
    t_state       state;
    t_tpxheader   tpx;
    gmx_mtop_t    mtop;
    t_topology    top;

    read_tpxheader(fn, &tpx, TRUE);
    t_inputrec     ir;
    read_tpx_state(fn,
                   tpx.bIr ? &ir : nullptr,
                   &state,
                   tpx.bTop ? &mtop : nullptr);
    if (tpx.bIr && !bOriginalInputrec)
    {
        MDModules().adjustInputrecBasedOnModules(&ir);
    }

    if (mdpfn && tpx.bIr)
    {
        gp = gmx_fio_fopen(mdpfn, "w");
        pr_inputrec(gp, 0, nullptr, &ir, TRUE);
        gmx_fio_fclose(gp);
    }

    if (!mdpfn)
    {
        if (bSysTop)
        {
            top = gmx_mtop_t_to_t_topology(&mtop, false);
        }

        if (available(stdout, &tpx, 0, fn))
        {
            indent = 0;
            pr_title(stdout, indent, fn);
            pr_inputrec(stdout, 0, "inputrec", tpx.bIr ? &ir : nullptr, FALSE);

            pr_tpxheader(stdout, indent, "header", &(tpx));

            if (!bSysTop)
            {
                pr_mtop(stdout, indent, "topology", &(mtop), bShowNumbers, bShowParameters);
            }
            else
            {
                pr_top(stdout, indent, "topology", &(top), bShowNumbers, bShowParameters);
            }

            pr_rvecs(stdout, indent, "box", tpx.bBox ? state.box : nullptr, DIM);
            pr_rvecs(stdout, indent, "box_rel", tpx.bBox ? state.box_rel : nullptr, DIM);
            pr_rvecs(stdout, indent, "boxv", tpx.bBox ? state.boxv : nullptr, DIM);
            pr_rvecs(stdout, indent, "pres_prev", tpx.bBox ? state.pres_prev : nullptr, DIM);
            pr_rvecs(stdout, indent, "svir_prev", tpx.bBox ? state.svir_prev : nullptr, DIM);
            pr_rvecs(stdout, indent, "fvir_prev", tpx.bBox ? state.fvir_prev : nullptr, DIM);
            /* leave nosehoover_xi in for now to match the tpr version */
            pr_doubles(stdout, indent, "nosehoover_xi", state.nosehoover_xi.data(), state.ngtc);
            /*pr_doubles(stdout,indent,"nosehoover_vxi",state.nosehoover_vxi,state.ngtc);*/
            /*pr_doubles(stdout,indent,"therm_integral",state.therm_integral,state.ngtc);*/
            pr_rvecs(stdout, indent, "x", tpx.bX ? state.x.rvec_array() : nullptr, state.natoms);
            pr_rvecs(stdout, indent, "v", tpx.bV ? state.v.rvec_array() : nullptr, state.natoms);
        }

        const SimulationGroups &groups = mtop.groups;

        gmx::EnumerationArray < SimulationAtomGroupType, std::vector < int>> gcount;
        for (auto group : keysOf(gcount))
        {
            gcount[group].resize(groups.groups[group].nr);
        }

        for (int i = 0; (i < mtop.natoms); i++)
        {
            for (auto group : keysOf(gcount))
            {
                gcount[group][getGroupType(groups, group, i)]++;
            }
        }
        printf("Group statistics\n");
        for (auto group : keysOf(gcount))
        {
            atot = 0;
            printf("%-12s: ", shortName(group));
            for (int j = 0; (j < groups.groups[group].nr); j++)
            {
                printf("  %5d", gcount[group][j]);
                atot += gcount[group][j];
            }
            printf("  (total %d atoms)\n", atot);
        }
    }
}

//! Dump a topology file
void list_top(const char *fn)
{
    int       status, done;
    // Legacy string length macro
    char      buf[STRLEN];
    gmx_cpp_t handle;
    char     *cppopts[] = { nullptr };

    status = cpp_open_file(fn, &handle, cppopts);
    if (status != 0)
    {
        gmx_fatal(FARGS, "%s", cpp_error(&handle, status));
    }
    do
    {
        status = cpp_read_line(&handle, STRLEN, buf);
        done   = static_cast<int>(status == eCPP_EOF);
        if (!done)
        {
            if (status != eCPP_OK)
            {
                gmx_fatal(FARGS, "%s", cpp_error(&handle, status));
            }
            else
            {
                printf("%s\n", buf);
            }
        }
    }
    while (done == 0);
    status = cpp_close_file(&handle);
    if (status != eCPP_OK)
    {
        gmx_fatal(FARGS, "%s", cpp_error(&handle, status));
    }
}

//! Dump a TRR file
void list_trr(const char *fn)
{
    t_fileio         *fpread;
    int               nframe, indent;
    char              buf[256];
    rvec             *x, *v, *f;
    matrix            box;
    gmx_trr_header_t  trrheader;
    gmx_bool          bOK;

    fpread  = gmx_trr_open(fn, "r");

    nframe = 0;
    while (gmx_trr_read_frame_header(fpread, &trrheader, &bOK))
    {
        snew(x, trrheader.natoms);
        snew(v, trrheader.natoms);
        snew(f, trrheader.natoms);
        if (gmx_trr_read_frame_data(fpread, &trrheader,
                                    trrheader.box_size ? box : nullptr,
                                    trrheader.x_size   ? x : nullptr,
                                    trrheader.v_size   ? v : nullptr,
                                    trrheader.f_size   ? f : nullptr))
        {
            sprintf(buf, "%s frame %d", fn, nframe);
            indent = 0;
            indent = pr_title(stdout, indent, buf);
            pr_indent(stdout, indent);
            fprintf(stdout, "natoms=%10d  step=%10" PRId64 "  time=%12.7e  lambda=%10g\n",
                    trrheader.natoms, trrheader.step, trrheader.t, trrheader.lambda);
            if (trrheader.box_size)
            {
                pr_rvecs(stdout, indent, "box", box, DIM);
            }
            if (trrheader.x_size)
            {
                pr_rvecs(stdout, indent, "x", x, trrheader.natoms);
            }
            if (trrheader.v_size)
            {
                pr_rvecs(stdout, indent, "v", v, trrheader.natoms);
            }
            if (trrheader.f_size)
            {
                pr_rvecs(stdout, indent, "f", f, trrheader.natoms);
            }
        }
        else
        {
            fprintf(stderr, "\nWARNING: Incomplete frame: nr %d, t=%g\n",
                    nframe, trrheader.t);
        }

        sfree(x);
        sfree(v);
        sfree(f);
        nframe++;
    }
    if (!bOK)
    {
        fprintf(stderr, "\nWARNING: Incomplete frame header: nr %d, t=%g\n",
                nframe, trrheader.t);
    }
    gmx_trr_close(fpread);
}

//! Dump an xtc file
void list_xtc(const char *fn)
{
    t_fileio   *xd;
    int         indent;
    char        buf[256];
    rvec       *x;
    matrix      box;
    int         nframe, natoms;
    int64_t     step;
    real        prec, time;
    gmx_bool    bOK;

    xd = open_xtc(fn, "r");
    read_first_xtc(xd, &natoms, &step, &time, box, &x, &prec, &bOK);

    nframe = 0;
    do
    {
        sprintf(buf, "%s frame %d", fn, nframe);
        indent = 0;
        indent = pr_title(stdout, indent, buf);
        pr_indent(stdout, indent);
        fprintf(stdout, "natoms=%10d  step=%10" PRId64 "  time=%12.7e  prec=%10g\n",
                natoms, step, time, prec);
        pr_rvecs(stdout, indent, "box", box, DIM);
        pr_rvecs(stdout, indent, "x", x, natoms);
        nframe++;
    }
    while (read_next_xtc(xd, natoms, &step, &time, box, x, &prec, &bOK) != 0);
    if (!bOK)
    {
        fprintf(stderr, "\nWARNING: Incomplete frame at time %g\n", time);
    }
    sfree(x);
    close_xtc(xd);
}

#if GMX_USE_TNG

/*! \brief Callback used by list_tng_for_gmx_dump. */
void list_tng_inner(const char *fn,
                    gmx_bool    bFirstFrame,
                    real       *values,
                    int64_t     step,
                    double      frame_time,
                    int64_t     n_values_per_frame,
                    int64_t     n_atoms,
                    real        prec,
                    int64_t     nframe,
                    char       *block_name)
{
    char                 buf[256];
    int                  indent = 0;

    if (bFirstFrame)
    {
        sprintf(buf, "%s frame %" PRId64, fn, nframe);
        indent = 0;
        indent = pr_title(stdout, indent, buf);
        pr_indent(stdout, indent);
        fprintf(stdout, "natoms=%10" PRId64 "  step=%10" PRId64 "  time=%12.7e",
                n_atoms, step, frame_time);
        if (prec > 0)
        {
            fprintf(stdout, "  prec=%10g", prec);
        }
        fprintf(stdout, "\n");
    }
    pr_reals_of_dim(stdout, indent, block_name, values, n_atoms, n_values_per_frame);
}

#endif

//! Dump a TNG file
void list_tng(const char *fn)
{
#if GMX_USE_TNG
    gmx_tng_trajectory_t tng;
    int64_t              nframe = 0;
    int64_t              i, *block_ids = nullptr, step, ndatablocks;
    gmx_bool             bOK;
    real                *values = nullptr;

    gmx_tng_open(fn, 'r', &tng);
    gmx_print_tng_molecule_system(tng, stdout);

    bOK    = gmx_get_tng_data_block_types_of_next_frame(tng, -1,
                                                        0,
                                                        nullptr,
                                                        &step, &ndatablocks,
                                                        &block_ids);
    do
    {
        for (i = 0; i < ndatablocks; i++)
        {
            double               frame_time;
            real                 prec;
            int64_t              n_values_per_frame, n_atoms;
            char                 block_name[STRLEN];

            gmx_get_tng_data_next_frame_of_block_type(tng, block_ids[i], &values,
                                                      &step, &frame_time,
                                                      &n_values_per_frame, &n_atoms,
                                                      &prec,
                                                      block_name, STRLEN, &bOK);
            if (!bOK)
            {
                /* Can't write any output because we don't know what
                   arrays are valid. */
                fprintf(stderr, "\nWARNING: Incomplete frame at time %g, will not write output\n", frame_time);
            }
            else
            {
                list_tng_inner(fn, (0 == i), values, step, frame_time,
                               n_values_per_frame, n_atoms, prec, nframe, block_name);
            }
        }
        nframe++;
    }
    while (gmx_get_tng_data_block_types_of_next_frame(tng, step,
                                                      0,
                                                      nullptr,
                                                      &step,
                                                      &ndatablocks,
                                                      &block_ids));

    if (block_ids)
    {
        sfree(block_ids);
    }
    sfree(values);
    gmx_tng_close(&tng);
#else
    GMX_UNUSED_VALUE(fn);
#endif
}

//! Dump a trajectory file
void list_trx(const char *fn)
{
    switch (fn2ftp(fn))
    {
        case efXTC:
            list_xtc(fn);
            break;
        case efTRR:
            list_trr(fn);
            break;
        case efTNG:
            list_tng(fn);
            break;
        default:
            fprintf(stderr, "File %s is of an unsupported type. Try using the command\n 'less %s'\n",
                    fn, fn);
    }
}

//! Dump an energy file
void list_ene(const char *fn)
{
    ener_file_t    in;
    gmx_bool       bCont;
    gmx_enxnm_t   *enm = nullptr;
    t_enxframe    *fr;
    int            i, j, nre, b;
    char           buf[22];

    printf("gmx dump: %s\n", fn);
    in = open_enx(fn, "r");
    do_enxnms(in, &nre, &enm);
    assert(enm);

    printf("energy components:\n");
    for (i = 0; (i < nre); i++)
    {
        printf("%5d  %-24s (%s)\n", i, enm[i].name, enm[i].unit);
    }

    snew(fr, 1);
    do
    {
        bCont = do_enx(in, fr);

        if (bCont)
        {
            printf("\n%24s  %12.5e  %12s  %12s\n", "time:",
                   fr->t, "step:", gmx_step_str(fr->step, buf));
            printf("%24s  %12s  %12s  %12s\n",
                   "", "", "nsteps:", gmx_step_str(fr->nsteps, buf));
            printf("%24s  %12.5e  %12s  %12s\n",
                   "delta_t:", fr->dt, "sum steps:", gmx_step_str(fr->nsum, buf));
            if (fr->nre == nre)
            {
                printf("%24s  %12s  %12s  %12s\n",
                       "Component", "Energy", "Av. Energy", "Sum Energy");
                if (fr->nsum > 0)
                {
                    for (i = 0; (i < nre); i++)
                    {
                        printf("%24s  %12.5e  %12.5e  %12.5e\n",
                               enm[i].name, fr->ener[i].e, fr->ener[i].eav,
                               fr->ener[i].esum);
                    }
                }
                else
                {
                    for (i = 0; (i < nre); i++)
                    {
                        printf("%24s  %12.5e\n",
                               enm[i].name, fr->ener[i].e);
                    }
                }
            }
            for (b = 0; b < fr->nblock; b++)
            {
                const char *typestr = "";

                t_enxblock *eb = &(fr->block[b]);
                printf("Block data %2d (%3d subblocks, id=%d)\n",
                       b, eb->nsub, eb->id);

                if (eb->id < enxNR)
                {
                    typestr = enx_block_id_name[eb->id];
                }
                printf("  id='%s'\n", typestr);
                for (i = 0; i < eb->nsub; i++)
                {
                    t_enxsubblock *sb = &(eb->sub[i]);
                    printf("  Sub block %3d (%5d elems, type=%s) values:\n",
                           i, sb->nr, xdr_datatype_names[sb->type]);

                    switch (sb->type)
                    {
                        case xdr_datatype_float:
                            for (j = 0; j < sb->nr; j++)
                            {
                                printf("%14d   %8.4f\n", j, sb->fval[j]);
                            }
                            break;
                        case xdr_datatype_double:
                            for (j = 0; j < sb->nr; j++)
                            {
                                printf("%14d   %10.6f\n", j, sb->dval[j]);
                            }
                            break;
                        case xdr_datatype_int:
                            for (j = 0; j < sb->nr; j++)
                            {
                                printf("%14d %10d\n", j, sb->ival[j]);
                            }
                            break;
                        case xdr_datatype_int64:
                            for (j = 0; j < sb->nr; j++)
                            {
                                printf("%14d %s\n",
                                       j, gmx_step_str(sb->lval[j], buf));
                            }
                            break;
                        case xdr_datatype_char:
                            for (j = 0; j < sb->nr; j++)
                            {
                                printf("%14d %1c\n", j, sb->cval[j]);
                            }
                            break;
                        case xdr_datatype_string:
                            for (j = 0; j < sb->nr; j++)
                            {
                                printf("%14d %80s\n", j, sb->sval[j]);
                            }
                            break;
                        default:
                            gmx_incons("Unknown subblock type");
                    }
                }
            }
        }
    }
    while (bCont);

    close_enx(in);

    free_enxframe(fr);
    sfree(fr);
    sfree(enm);
}

//! Dump a (Hessian) matrix file
void list_mtx(const char *fn)
{
    int                  nrow, ncol, i, j, k;
    real                *full   = nullptr, value;
    gmx_sparsematrix_t * sparse = nullptr;

    gmx_mtxio_read(fn, &nrow, &ncol, &full, &sparse);

    if (full == nullptr)
    {
        snew(full, nrow*ncol);
        for (i = 0; i < nrow*ncol; i++)
        {
            full[i] = 0;
        }

        for (i = 0; i < sparse->nrow; i++)
        {
            for (j = 0; j < sparse->ndata[i]; j++)
            {
                k              = sparse->data[i][j].col;
                value          = sparse->data[i][j].value;
                full[i*ncol+k] = value;
                full[k*ncol+i] = value;
            }
        }
        gmx_sparsematrix_destroy(sparse);
    }

    printf("%d %d\n", nrow, ncol);
    for (i = 0; i < nrow; i++)
    {
        for (j = 0; j < ncol; j++)
        {
            printf(" %g", full[i*ncol+j]);
        }
        printf("\n");
    }

    sfree(full);
}

class Dump : public ICommandLineOptionsModule
{
    public:
        Dump()
        {}

        // From ICommandLineOptionsModule
        void init(CommandLineModuleSettings * /*settings*/) override
        {
        }

        void initOptions(IOptionsContainer                 *options,
                         ICommandLineOptionsModuleSettings *settings) override;

        void optionsFinished() override;

        int run() override;

    private:
        //! Commandline options
        //! \{
        bool bShowNumbers_      = true;
        bool bShowParams_       = false;
        bool bSysTop_           = false;
        bool bOriginalInputrec_ = false;
        //! \}
        //! Commandline file options
        //! \{
        std::string inputTprFilename_;
        std::string inputTrajectoryFilename_;
        std::string inputEnergyFilename_;
        std::string inputCheckpointFilename_;
        std::string inputTopologyFilename_;
        std::string inputMatrixFilename_;
        std::string outputMdpFilename_;
        //! \}
};

void Dump::initOptions(IOptionsContainer                 *options,
                       ICommandLineOptionsModuleSettings *settings)
{
    const char *desc[] = {
        "[THISMODULE] reads a run input file ([REF].tpr[ref]),",
        "a trajectory ([REF].trr[ref]/[REF].xtc[ref]/[TT]tng[tt]), an energy",
        "file ([REF].edr[ref]), a checkpoint file ([REF].cpt[ref])",
        "or topology file ([REF].top[ref])",
        "and prints that to standard output in a readable format.",
        "This program is essential for checking your run input file in case of",
        "problems."
    };
    settings->setHelpText(desc);
    // TODO If this ancient note acknowledging a bug is still true,
    // fix it or block that run path:
    //   Position restraint output from -sys -s is broken

    options->addOption(FileNameOption("s")
                           .filetype(eftRunInput).inputFile()
                           .store(&inputTprFilename_)
                           .description("Run input file to dump"));
    options->addOption(FileNameOption("f")
                           .filetype(eftTrajectory).inputFile()
                           .store(&inputTrajectoryFilename_)
                           .description("Trajectory file to dump"));
    options->addOption(FileNameOption("e")
                           .filetype(eftEnergy).inputFile()
                           .store(&inputEnergyFilename_)
                           .description("Energy file to dump"));
    options->addOption(FileNameOption("cp")
                           .legacyType(efCPT).inputFile()
                           .store(&inputCheckpointFilename_)
                           .description("Checkpoint file to dump"));
    options->addOption(FileNameOption("p")
                           .legacyType(efTOP).inputFile()
                           .store(&inputTopologyFilename_)
                           .description("Topology file to dump"));
    options->addOption(FileNameOption("mtx")
                           .legacyType(efMTX).inputFile()
                           .store(&inputMatrixFilename_)
                           .description("Hessian matrix to dump"));
    options->addOption(FileNameOption("om")
                           .legacyType(efMDP).outputFile()
                           .store(&outputMdpFilename_)
                           .description("grompp input file from run input file"));

    options->addOption(BooleanOption("nr")
                           .store(&bShowNumbers_).defaultValue(true)
                           .description("Show index numbers in output (leaving them out makes comparison easier, but creates a useless topology)"));
    options->addOption(BooleanOption("param")
                           .store(&bShowParams_).defaultValue(false)
                           .description("Show parameters for each bonded interaction (for comparing dumps, it is useful to combine this with -nonr)"));
    options->addOption(BooleanOption("sys")
                           .store(&bShowParams_).defaultValue(false)
                           .description("List the atoms and bonded interactions for the whole system instead of for each molecule type"));
    options->addOption(BooleanOption("orgir")
                           .store(&bShowParams_).defaultValue(false)
                           .description("Show input parameters from tpr as they were written by the version that produced the file, instead of how the current version reads them"));
}

void Dump::optionsFinished()
{
    // TODO Currently gmx dump ignores user input that seeks to dump
    // multiple files. Here, we could enforce that the user only asks
    // to dump one file.
}

int Dump::run()
{
    if (!inputTprFilename_.empty())
    {
        list_tpr(inputTprFilename_.c_str(), bShowNumbers_, bShowParams_,
                 outputMdpFilename_.c_str(), bSysTop_, bOriginalInputrec_);
    }
    else if (!inputTrajectoryFilename_.empty())
    {
        list_trx(inputTrajectoryFilename_.c_str());
    }
    else if (!inputEnergyFilename_.empty())
    {
        list_ene(inputEnergyFilename_.c_str());
    }
    else if (!inputCheckpointFilename_.empty())
    {
        list_checkpoint(inputCheckpointFilename_.c_str(), stdout);
    }
    else if (!inputTopologyFilename_.empty())
    {
        list_top(inputTopologyFilename_.c_str());
    }
    else if (!inputMatrixFilename_.empty())
    {
        list_mtx(inputMatrixFilename_.c_str());
    }

    return 0;
}

}   // namespace

const char DumpInfo::name[]             = "dump";
const char DumpInfo::shortDescription[] =
    "Make binary files human readable";
ICommandLineOptionsModulePointer DumpInfo::create()
{
    return std::make_unique<Dump>();
}

}   // namespace gmx