Exemple #1
0
static gmx_bool do_trnheader(t_fileio *fio, gmx_bool bRead, t_trnheader *sh, gmx_bool *bOK)
{
    int             magic  = GROMACS_MAGIC;
    static gmx_bool bFirst = TRUE;
    char            buf[256];

    *bOK = TRUE;

    gmx_fio_checktype(fio);

    if (!gmx_fio_do_int(fio, magic) || magic != GROMACS_MAGIC)
    {
        return FALSE;
    }

    if (bRead)
    {
        *bOK = *bOK && gmx_fio_do_string(fio, buf);
        if (bFirst)
        {
            fprintf(stderr, "trn version: %s ", buf);
        }
    }
    else
    {
        sprintf(buf, "GMX_trn_file");
        *bOK = *bOK && gmx_fio_do_string(fio, buf);
    }
    *bOK = *bOK && gmx_fio_do_int(fio, sh->ir_size);
    *bOK = *bOK && gmx_fio_do_int(fio, sh->e_size);
    *bOK = *bOK && gmx_fio_do_int(fio, sh->box_size);
    *bOK = *bOK && gmx_fio_do_int(fio, sh->vir_size);
    *bOK = *bOK && gmx_fio_do_int(fio, sh->pres_size);
    *bOK = *bOK && gmx_fio_do_int(fio, sh->top_size);
    *bOK = *bOK && gmx_fio_do_int(fio, sh->sym_size);
    *bOK = *bOK && gmx_fio_do_int(fio, sh->x_size);
    *bOK = *bOK && gmx_fio_do_int(fio, sh->v_size);
    *bOK = *bOK && gmx_fio_do_int(fio, sh->f_size);
    *bOK = *bOK && gmx_fio_do_int(fio, sh->natoms);

    if (!*bOK)
    {
        return *bOK;
    }
    sh->bDouble = (nFloatSize(sh) == sizeof(double));
    gmx_fio_setprecision(fio, sh->bDouble);

    if (bRead && bFirst)
    {
        fprintf(stderr, "(%s precision)\n", sh->bDouble ? "double" : "single");
        bFirst = FALSE;
    }

    *bOK = *bOK && gmx_fio_do_int(fio, sh->step);
    *bOK = *bOK && gmx_fio_do_int(fio, sh->nre);
    *bOK = *bOK && gmx_fio_do_real(fio, sh->t);
    *bOK = *bOK && gmx_fio_do_real(fio, sh->lambda);

    return *bOK;
}
Exemple #2
0
gmx_bool do_enx(ener_file_t ef,t_enxframe *fr)
{
    int       file_version=-1;
    int       i,b;
    gmx_bool      bRead,bOK,bOK1,bSane;
    real      tmp1,tmp2,rdum;
    char      buf[22];
    /*int       d_size;*/
    
    bOK = TRUE;
    bRead = gmx_fio_getread(ef->fio);
    if (!bRead)
    {  
        fr->e_size = fr->nre*sizeof(fr->ener[0].e)*4;
        /*d_size = fr->ndisre*(sizeof(real)*2);*/
    }
    gmx_fio_checktype(ef->fio);

    if (!do_eheader(ef,&file_version,fr,-1,NULL,&bOK))
    {
        if (bRead)
        {
            fprintf(stderr,"\rLast energy frame read %d time %8.3f         ",
                    ef->framenr-1,ef->frametime);
            if (!bOK)
            {
                fprintf(stderr,
                        "\nWARNING: Incomplete energy frame: nr %d time %8.3f\n",
                        ef->framenr,fr->t);
            }
        }
        else
        {
            gmx_file("Cannot write energy file header; maybe you are out of quota?");
        }
        return FALSE;
    }
    if (bRead)
    {
        if ((ef->framenr <   20 || ef->framenr %   10 == 0) &&
            (ef->framenr <  200 || ef->framenr %  100 == 0) &&
            (ef->framenr < 2000 || ef->framenr % 1000 == 0))
        {
            fprintf(stderr,"\rReading energy frame %6d time %8.3f         ",
                    ef->framenr,fr->t);
        }
        ef->framenr++;
        ef->frametime = fr->t;
    }
    /* Check sanity of this header */
    bSane = fr->nre > 0 ;
    for(b=0; b<fr->nblock; b++)
    {
        bSane = bSane || (fr->block[b].nsub > 0);
    }
    if (!((fr->step >= 0) && bSane))
    {
        fprintf(stderr,"\nWARNING: there may be something wrong with energy file %s\n",
                gmx_fio_getname(ef->fio));
        fprintf(stderr,"Found: step=%s, nre=%d, nblock=%d, time=%g.\n"
                "Trying to skip frame expect a crash though\n",
                gmx_step_str(fr->step,buf),fr->nre,fr->nblock,fr->t);
    }
    if (bRead && fr->nre > fr->e_alloc)
    {
        srenew(fr->ener,fr->nre);
        for(i=fr->e_alloc; (i<fr->nre); i++)
        {
            fr->ener[i].e    = 0;
            fr->ener[i].eav  = 0;
            fr->ener[i].esum = 0;
        }
        fr->e_alloc = fr->nre;
    }
    
    for(i=0; i<fr->nre; i++)
    {
        bOK = bOK && gmx_fio_do_real(ef->fio, fr->ener[i].e);
        
        /* Do not store sums of length 1,
         * since this does not add information.
         */
        if (file_version == 1 ||
            (bRead && fr->nsum > 0) || fr->nsum > 1)
        {
            tmp1 = fr->ener[i].eav;
            bOK = bOK && gmx_fio_do_real(ef->fio, tmp1);
            if (bRead)
                fr->ener[i].eav = tmp1;
            
            /* This is to save only in single precision (unless compiled in DP) */
            tmp2 = fr->ener[i].esum;
            bOK = bOK && gmx_fio_do_real(ef->fio, tmp2);
            if (bRead)
                fr->ener[i].esum = tmp2;
            
            if (file_version == 1)
            {
                /* Old, unused real */
                rdum = 0;
                bOK = bOK && gmx_fio_do_real(ef->fio, rdum);
            }
        }
    }
    
    /* Here we can not check for file_version==1, since one could have
     * continued an old format simulation with a new one with mdrun -append.
     */
    if (bRead && ef->eo.bOldFileOpen)
    {
        /* Convert old full simulation sums to sums between energy frames */
        convert_full_sums(&(ef->eo),fr);
    }
    /* read the blocks */
    for(b=0; b<fr->nblock; b++)
    {
        /* now read the subblocks. */
        int nsub=fr->block[b].nsub; /* shortcut */
        int i;

        for(i=0;i<nsub;i++)
        {
            t_enxsubblock *sub=&(fr->block[b].sub[i]); /* shortcut */

            if (bRead)
            {
                enxsubblock_alloc(sub);
            }

            /* read/write data */
            bOK1=TRUE;
            switch (sub->type)
            {
                case xdr_datatype_float:
                    bOK1=gmx_fio_ndo_float(ef->fio, sub->fval, sub->nr); 
                    break;
                case xdr_datatype_double:
                    bOK1=gmx_fio_ndo_double(ef->fio, sub->dval, sub->nr); 
                    break;
                case xdr_datatype_int:
                    bOK1=gmx_fio_ndo_int(ef->fio, sub->ival, sub->nr);
                    break;
                case xdr_datatype_large_int:
                    bOK1=gmx_fio_ndo_gmx_large_int(ef->fio, sub->lval, sub->nr);
                    break;
                case xdr_datatype_char:
                    bOK1=gmx_fio_ndo_uchar(ef->fio, sub->cval, sub->nr);
                    break;
                case xdr_datatype_string:
                    bOK1=gmx_fio_ndo_string(ef->fio, sub->sval, sub->nr);
                    break;
                default:
                    gmx_incons("Reading unknown block data type: this file is corrupted or from the future");
            }
            bOK = bOK && bOK1;
        }
    }
    
    if(!bRead)
    {
        if( gmx_fio_flush(ef->fio) != 0)
        {
            gmx_file("Cannot write energy file; maybe you are out of quota?");
        }
    }
    
    if (!bOK)
    {
        if (bRead)
        {
            fprintf(stderr,"\nLast energy frame read %d",
                    ef->framenr-1);
            fprintf(stderr,"\nWARNING: Incomplete energy frame: nr %d time %8.3f\n",
                    ef->framenr,fr->t);
        }
        else
        {
            gmx_fatal(FARGS,"could not write energies");
        }
        return FALSE; 
    }
    
    return TRUE;
}
Exemple #3
0
static gmx_bool do_eheader(ener_file_t ef,int *file_version,t_enxframe *fr,
                       int nre_test,gmx_bool *bWrongPrecision,gmx_bool *bOK)
{
    int  magic=-7777777;
    real first_real_to_check;
    int  b,i,zero=0,dum=0;
    gmx_bool bRead = gmx_fio_getread(ef->fio);
    int  tempfix_nr=0;
    int  ndisre=0;
    int  startb=0;
#ifndef GMX_DOUBLE
    xdr_datatype dtreal=xdr_datatype_float; 
#else
    xdr_datatype dtreal=xdr_datatype_double; 
#endif
    
    if (nre_test >= 0)
    {
        *bWrongPrecision = FALSE;
    }

    *bOK=TRUE;
    /* The original energy frame started with a real,
     * so we have to use a real for compatibility.
     * This is VERY DIRTY code, since do_eheader can be called
     * with the wrong precision set and then we could read r > -1e10,
     * while actually the intention was r < -1e10.
     * When nre_test >= 0, do_eheader should therefore terminate
     * before the number of i/o calls starts depending on what has been read
     * (which is the case for for instance the block sizes for variable
     * number of blocks, where this number is read before).
     */
    first_real_to_check = -2e10;
    if (!gmx_fio_do_real(ef->fio, first_real_to_check))
    {
        return FALSE;
    }
    if (first_real_to_check > -1e10)
    {
        /* Assume we are reading an old format */
        *file_version = 1;
        fr->t = first_real_to_check;
        if (!gmx_fio_do_int(ef->fio, dum))   *bOK = FALSE;
        fr->step = dum;
    }
    else
    {
        if (!gmx_fio_do_int(ef->fio, magic))       *bOK = FALSE;
        if (magic != -7777777)
        {
            enx_warning("Energy header magic number mismatch, this is not a GROMACS edr file");
            *bOK=FALSE;
            return FALSE;
        }
        *file_version = enx_version;
        if (!gmx_fio_do_int(ef->fio, *file_version)) *bOK = FALSE;
        if (*bOK && *file_version > enx_version)
        {
            gmx_fatal(FARGS,"reading tpx file (%s) version %d with version %d program",gmx_fio_getname(ef->fio),file_version,enx_version);
        }
        if (!gmx_fio_do_double(ef->fio, fr->t))       *bOK = FALSE;
        if (!gmx_fio_do_gmx_large_int(ef->fio, fr->step)) *bOK = FALSE;
        if (!bRead && fr->nsum == 1) {
            /* Do not store sums of length 1,
             * since this does not add information.
             */
            if (!gmx_fio_do_int(ef->fio, zero))      *bOK = FALSE;
        } else {
            if (!gmx_fio_do_int(ef->fio, fr->nsum))  *bOK = FALSE;
        }
        if (*file_version >= 3)
        {
            if (!gmx_fio_do_gmx_large_int(ef->fio, fr->nsteps)) *bOK = FALSE;
        }
        else
        {
            fr->nsteps = max(1,fr->nsum);
        }
        if (*file_version >= 5)
        {
            if (!gmx_fio_do_double(ef->fio, fr->dt)) *bOK = FALSE;
        }
        else
        {
            fr->dt = 0;
        }
    }
    if (!gmx_fio_do_int(ef->fio, fr->nre))     *bOK = FALSE;
    if (*file_version < 4)
    {
        if (!gmx_fio_do_int(ef->fio, ndisre))  *bOK = FALSE;
    }
    else
    {
        /* now reserved for possible future use */
        if (!gmx_fio_do_int(ef->fio, dum))  *bOK = FALSE;
    }

    if (!gmx_fio_do_int(ef->fio, fr->nblock))  *bOK = FALSE;
    if (fr->nblock < 0) *bOK=FALSE;

    if (ndisre!=0)
    {
        if (*file_version >= 4)
        {
            enx_warning("Distance restraint blocks in old style in new style file");
            *bOK=FALSE;
            return FALSE;
        }
        fr->nblock+=1;
    }


    /* Frames could have nre=0, so we can not rely only on the fr->nre check */
    if (bRead && nre_test >= 0 &&
        ((fr->nre > 0 && fr->nre != nre_test) ||
         fr->nre < 0 || ndisre < 0 || fr->nblock < 0))
    {
        *bWrongPrecision = TRUE;
        return *bOK;
    }

    /* we now know what these should be, or we've already bailed out because
       of wrong precision */
    if ( *file_version==1 && (fr->t < 0 || fr->t > 1e20 || fr->step < 0 ) )
    {
        enx_warning("edr file with negative step number or unreasonable time (and without version number).");
        *bOK=FALSE;
        return FALSE;
    }


    if (*bOK && bRead)
    {
        add_blocks_enxframe(fr, fr->nblock);
    }

    startb=0;
    if (ndisre>0)
    {
        /* sub[0] is the instantaneous data, sub[1] is time averaged */
        add_subblocks_enxblock(&(fr->block[0]), 2);
        fr->block[0].id=enxDISRE;
        fr->block[0].sub[0].nr=ndisre;
        fr->block[0].sub[1].nr=ndisre;
        fr->block[0].sub[0].type=dtreal;
        fr->block[0].sub[1].type=dtreal;
        startb++;
    }

    /* read block header info */
    for(b=startb; b<fr->nblock; b++)
    {
        if (*file_version<4)
        {
            /* blocks in old version files always have 1 subblock that 
               consists of reals. */
            int nrint;

            if (bRead)
            {
                add_subblocks_enxblock(&(fr->block[b]), 1);
            }
            else
            {
                if (fr->block[b].nsub != 1)
                {
                    gmx_incons("Writing an old version .edr file with too many subblocks");
                }
                if (fr->block[b].sub[0].type != dtreal)
                {
                    gmx_incons("Writing an old version .edr file the wrong subblock type");
                }
            }
            nrint = fr->block[b].sub[0].nr;
            
            if (!gmx_fio_do_int(ef->fio, nrint))
            {
                *bOK = FALSE;
            }
            fr->block[b].id          = b - startb;
            fr->block[b].sub[0].nr   = nrint;
            fr->block[b].sub[0].type = dtreal;
        }
        else
        {
            int i;
            /* in the new version files, the block header only contains
               the ID and the number of subblocks */
            int nsub=fr->block[b].nsub;
            *bOK = *bOK && gmx_fio_do_int(ef->fio, fr->block[b].id);
            *bOK = *bOK && gmx_fio_do_int(ef->fio, nsub);

            fr->block[b].nsub=nsub;
            if (bRead)
                add_subblocks_enxblock(&(fr->block[b]), nsub);

            /* read/write type & size for each subblock */
            for(i=0;i<nsub;i++)
            {
                t_enxsubblock *sub=&(fr->block[b].sub[i]); /* shortcut */
                int typenr=sub->type;

                *bOK=*bOK && gmx_fio_do_int(ef->fio, typenr);
                *bOK=*bOK && gmx_fio_do_int(ef->fio, sub->nr);

                sub->type = (xdr_datatype)typenr;
            }
        }
    }
    if (!gmx_fio_do_int(ef->fio, fr->e_size))  *bOK = FALSE;

    /* now reserved for possible future use */
    if (!gmx_fio_do_int(ef->fio, dum))  *bOK = FALSE;

    /* Do a dummy int to keep the format compatible with the old code */
    if (!gmx_fio_do_int(ef->fio, dum))         *bOK = FALSE;
    
    if (*bOK && *file_version == 1 && nre_test < 0)
    {
#if 0
        if (fp >= ener_old_nalloc)
        {
            gmx_incons("Problem with reading old format energy files");
        }
#endif
        
        if (!ef->eo.bReadFirstStep)
        {
            ef->eo.bReadFirstStep = TRUE;
            ef->eo.first_step     = fr->step;
            ef->eo.step_prev      = fr->step;
            ef->eo.nsum_prev      = 0;
        }
        
        fr->nsum   = fr->step - ef->eo.first_step + 1;
        fr->nsteps = fr->step - ef->eo.step_prev;
        fr->dt     = 0;
    }
	
    return *bOK;
}
Exemple #4
0
void gmx_mtxio_write(const char *             filename,
                     int                      nrow,
                     int                      ncol,
                     real *                   full_matrix,
                     gmx_sparsematrix_t *     sparse_matrix)
{
    t_fileio *fio;
    XDR *   xd;
    int     i,j,prec;
    gmx_bool    bDum = TRUE;
    gmx_bool    bRead = FALSE;
    size_t  sz;
    
    if(full_matrix!=NULL && sparse_matrix!=NULL)
    {
        gmx_fatal(FARGS,"Both full AND sparse matrix specified to gmx_mtxio_write().\n");
    }
    
    fio = gmx_fio_open(filename,"w");
    gmx_fio_checktype(fio);
    xd = gmx_fio_getxdr(fio);
    
    /* Write magic number */
    i = GMX_MTXIO_MAGIC_NUMBER;
    gmx_fio_do_int(fio, i);
    
    /* Write generating Gromacs version */
    gmx_fio_write_string(fio, GromacsVersion());
    
    /* Write 1 for double, 0 for single precision */
    if(sizeof(real)==sizeof(double))
        prec = 1;
    else
        prec = 0;
    gmx_fio_do_int(fio, prec);
    
    gmx_fio_do_int(fio, nrow);
    gmx_fio_do_int(fio, ncol);
    
    if(full_matrix!=NULL)
    {
        /* Full matrix storage format */
        i = GMX_MTXIO_FULL_MATRIX;
        gmx_fio_do_int(fio, i);
        sz = nrow*ncol;        
        bDum=gmx_fio_ndo_real(fio, full_matrix,sz);
    }
    else
    {
        /* Sparse storage */
        i = GMX_MTXIO_SPARSE_MATRIX;
        gmx_fio_do_int(fio, i);

        gmx_fio_do_gmx_bool(fio, sparse_matrix->compressed_symmetric);
        gmx_fio_do_int(fio, sparse_matrix->nrow);
        if(sparse_matrix->nrow != nrow)
        {
            gmx_fatal(FARGS,"Internal inconsistency in sparse matrix.\n");
        }
        bDum=gmx_fio_ndo_int(fio, sparse_matrix->ndata,sparse_matrix->nrow);
        for(i=0;i<sparse_matrix->nrow;i++)
        {
            for(j=0;j<sparse_matrix->ndata[i];j++)
            {
                gmx_fio_do_int(fio, sparse_matrix->data[i][j].col);
                gmx_fio_do_real(fio, sparse_matrix->data[i][j].value);
            }
        }
    }
    gmx_fio_close(fio);
}
Exemple #5
0
void
gmx_mtxio_read (const char *            filename,
                int *                   nrow,
                int *                   ncol,
                real **                 full_matrix,
                gmx_sparsematrix_t **   sparse_matrix)
{
    t_fileio  *fio;
    XDR *   xd;
    int     i,j,prec;
    gmx_bool    bDum = TRUE;
    gmx_bool    bRead = TRUE;
    char    gmxver[256];
    size_t  sz;
    
    fio = gmx_fio_open(filename,"r");
    gmx_fio_checktype(fio);
    xd = gmx_fio_getxdr(fio);
    
    /* Read and check magic number */
    i = GMX_MTXIO_MAGIC_NUMBER;
    gmx_fio_do_int(fio, i);

    if(i!=GMX_MTXIO_MAGIC_NUMBER)
    {
        gmx_fatal(FARGS,
                  "No matrix data found in file. Note that the Hessian matrix format changed\n"
                  "in Gromacs 3.3 to enable portable files and sparse matrix storage.\n");
    }
    
    /* Read generating Gromacs version */
    gmx_fio_do_string(fio, gmxver);
    
    /* Write 1 for double, 0 for single precision */
    if(sizeof(real)==sizeof(double))
        prec = 1;
    else
        prec = 0;
    gmx_fio_do_int(fio, prec);

    fprintf(stderr,"Reading %s precision matrix generated by Gromacs %s\n",
            (prec == 1) ? "double" : "single",gmxver);
    
    gmx_fio_do_int(fio, i);
    *nrow=i;
    gmx_fio_do_int(fio, i);
    *ncol=i;

    gmx_fio_do_int(fio, i);
    
    if(i==GMX_MTXIO_FULL_MATRIX)
    {
        printf("Full matrix storage format, nrow=%d, ncols=%d\n",*nrow,*ncol);

        sz = (*nrow) * (*ncol);
        snew((*full_matrix),sz);
        bDum=gmx_fio_ndo_real(fio, (*full_matrix),sz);
    }
    else
    {
        /* Sparse storage */
        printf("Sparse matrix storage format, nrow=%d, ncols=%d\n",*nrow,*ncol);

        snew((*sparse_matrix),1);
        gmx_fio_do_gmx_bool(fio, (*sparse_matrix)->compressed_symmetric);
        gmx_fio_do_int(fio, (*sparse_matrix)->nrow);        
        if((*sparse_matrix)->nrow != *nrow)
        {
            gmx_fatal(FARGS,"Internal inconsistency in sparse matrix.\n");
        }
        snew((*sparse_matrix)->ndata,(*sparse_matrix)->nrow);
        snew((*sparse_matrix)->nalloc,(*sparse_matrix)->nrow);
        snew((*sparse_matrix)->data,(*sparse_matrix)->nrow);
        bDum=gmx_fio_ndo_int(fio, (*sparse_matrix)->ndata,
                             (*sparse_matrix)->nrow);

        for(i=0;i<(*sparse_matrix)->nrow;i++)
        {
            (*sparse_matrix)->nalloc[i] = (*sparse_matrix)->ndata[i] + 10;
            snew(((*sparse_matrix)->data[i]),(*sparse_matrix)->nalloc[i]);
            
            for(j=0;j<(*sparse_matrix)->ndata[i];j++)
            {
                gmx_fio_do_int(fio, (*sparse_matrix)->data[i][j].col);
                gmx_fio_do_real(fio, (*sparse_matrix)->data[i][j].value);
            }
        }
    }
    gmx_fio_close(fio);
}