Ejemplo n.º 1
0
PRIVATE void print_aliout(char **AS, plist *pl, double threshold, int n_seq, char * mfe, FILE *aliout) {
  int i, j, k, n, num_p=0, max_p = 64;
  pair_info *pi;
  double *duck, p;
  short *ptable;
  for (n=0; pl[n].i>0; n++);

  max_p = 64; pi = space(max_p*sizeof(pair_info));
  duck =  (double *) space((strlen(mfe)+1)*sizeof(double));
  ptable = make_pair_table(mfe);

  for (k=0; k<n; k++) {
    int s, type;
    p = pl[k].p; i=pl[k].i; j = pl[k].j;
    duck[i] -=  p * log(p);
    duck[j] -=  p * log(p);

    if (p<threshold) continue;

    pi[num_p].i = i;
    pi[num_p].j = j;
    pi[num_p].p = p;
    pi[num_p].ent =  duck[i]+duck[j]-p*log(p);
    for (type=0; type<8; type++) pi[num_p].bp[type]=0;
    for (s=0; s<n_seq; s++) {
      int a,b;
      a=encode_char(toupper(AS[s][i-1]));
      b=encode_char(toupper(AS[s][j-1]));
      type = pair[a][b];
      if ((AS[s][i-1] == '-')||(AS[s][j-1] == '-')) type = 7;
      if ((AS[s][i-1] == '~')||(AS[s][j-1] == '~')) type = 7;
      pi[num_p].bp[type]++;
      pi[num_p].comp = (ptable[i] == j) ? 1:0;
    }
    num_p++;
    if (num_p>=max_p) {
      max_p *= 2;
      pi = xrealloc(pi, max_p * sizeof(pair_info));
    }
  }
  free(duck);
  pi[num_p].i=0;
  qsort(pi, num_p, sizeof(pair_info), compare_pair_info );

  /* print it */
  fprintf(aliout, "%d sequence; length of alignment %d\n",
          n_seq, (int) strlen(AS[0]));
  fprintf(aliout, "alifold output\n");

  for (k=0; pi[k].i>0; k++) {
    pi[k].comp = (ptable[pi[k].i] == pi[k].j) ? 1:0;
    print_pi(pi[k], aliout);
  }
  fprintf(aliout, "%s\n", mfe);
  free(ptable);
  free(pi);
}
Ejemplo n.º 2
0
int main(int argc, char *argv[])
{
    char *string;
    char *structure=NULL;
    char *cstruc=NULL;
    char *ns_bases=NULL;
    char *c;
    int  n_seq;
    int  i;
    int  length;
    int  sym;
    int  endgaps = 0;
    int  mis = 0;
    double min_en;
    double real_en;
    double sfact = 1.07;
    int  pf = 0;
    int  istty;
    char *AS[MAX_NUM_NAMES];	/* aligned sequences */
    char *names[MAX_NUM_NAMES];	/* sequence names */

    AjPSeqset  seq       = NULL;

    AjPFile confile   = NULL;
    AjPFile alifile   = NULL;
    AjPFile paramfile = NULL;
    AjPFile outf      = NULL;
    AjPFile essfile   = NULL;
    AjPFile dotfile   = NULL;
    

    AjPStr constring = NULL;
  
    float eT = 0.;
    AjBool eGU;
  
    AjBool eclose;
    AjBool lonely;
    AjPStr ensbases = NULL;
    AjBool etloop;
    AjPStr eenergy = NULL;
    char ewt = '\0';
    float escale = 0.;
    AjPStr edangles = NULL;
    char edangle = '\0';

    ajint len;

    AjPSeq tseq = NULL;
    AjPStr tname = NULL;

    int circ = 0;
    int doAlnPS = 0;
    int doColor = 0;
    

    embInitPV("vrnaalifoldpf",argc,argv,"VIENNA",VERSION);
    
    
    constring = ajStrNew();
    
    seq       = ajAcdGetSeqset("sequence");
    confile   = ajAcdGetInfile("constraintfile");
    paramfile = ajAcdGetInfile("paramfile");
    eT        = ajAcdGetFloat("temperature");
    eGU       = ajAcdGetBoolean("gu");
    eclose    = ajAcdGetBoolean("closegu");
    lonely    = ajAcdGetBoolean("lp");
    ensbases  = ajAcdGetString("nsbases");
    etloop    = ajAcdGetBoolean("tetraloop");
    eenergy   = ajAcdGetListSingle("energy");
    escale    = ajAcdGetFloat("scale");
    edangles  = ajAcdGetListSingle("dangles");
    mis       = !!ajAcdGetBoolean("most");
    endgaps   = !!ajAcdGetBoolean("endgaps");
    nc_fact   = (double) ajAcdGetFloat("nspenalty");
    cv_fact   = (double) ajAcdGetFloat("covariance");

    outf      = ajAcdGetOutfile("outfile");
    essfile   = ajAcdGetOutfile("ssoutfile");
    alifile   = ajAcdGetOutfile("alignoutfile");
    circ      = !!ajAcdGetBoolean("circular");
    doColor   = !!ajAcdGetBoolean("colour");

    dotfile   = ajAcdGetOutfile("dotoutfile");
    
    
    do_backtrack = 1; 
    pf = 1;
    string = NULL;
    istty = 0;
    dangles = 2;

    temperature   = (double) eT;
    noGU          = (eGU) ? 0 : 1;
    no_closingGU  = (eclose) ? 0 : 1;
    noLonelyPairs = (lonely) ? 0 : 1;
    ns_bases      = (ajStrGetLen(ensbases)) ? MAJSTRGETPTR(ensbases) : NULL;
    tetra_loop    = !!etloop;
    
    ewt = *ajStrGetPtr(eenergy);
    if(ewt == '0')
	energy_set = 0;
    else if(ewt == '1')
	energy_set = 1;
    else if(ewt == '2')
	energy_set = 2;
    
    sfact = (double) escale;
    
    edangle = *ajStrGetPtr(edangles);
    if(edangle == '0')
	dangles = 0;
    else if(edangle == '1')
	dangles = 1;
    else if(edangle == '2')
	dangles = 2;
    else if(edangle == '3')
	dangles = 3;


    if(paramfile)
	read_parameter_file(paramfile);
   
    if (ns_bases != NULL)
    {
	nonstandards = space(33);
	c=ns_bases;
	i=sym=0;
	if (*c=='-')
	{
	    sym=1;
	    c++;
	}
	while (*c!='\0')
	{
	    if (*c!=',')
	    {
		nonstandards[i++]=*c++;
		nonstandards[i++]=*c;
		if ((sym)&&(*c!=*(c-1)))
		{
		    nonstandards[i++]=*c;
		    nonstandards[i++]=*(c-1);
		}
	    }
	    c++;
	}
    }

    if(alifile)
        doAlnPS = 1;

    
    if(confile)
	vienna_GetConstraints(confile,&constring);

    n_seq = ajSeqsetGetSize(seq);

    if(n_seq > MAX_NUM_NAMES - 1)
	ajFatal("[e]RNAalifold is restricted to %d sequences\n",
		MAX_NUM_NAMES - 1);

    if (n_seq==0)
	ajFatal("No sequences found");

    for(i=0;i<n_seq;++i)
    {
	tseq  = (AjPSeq) ajSeqsetGetseqSeq(seq,i);
	ajSeqGapStandard(tseq, '-');
	tname = (AjPStr) ajSeqsetGetseqNameS(seq,i);
	len   = ajSeqGetLen(tseq);
	AS[i] = (char *) space(len+1);
	names[i] = (char *) space(ajStrGetLen(tname)+1);
	strcpy(AS[i],ajSeqGetSeqC(tseq));
	strcpy(names[i],ajStrGetPtr(tname));
    }
    AS[n_seq] = NULL;
    names[n_seq] = NULL;
    
    if (endgaps)
	for (i=0; i<n_seq; i++)
	    mark_endgaps(AS[i], '~');


    length = (int) strlen(AS[0]);
    structure = (char *) space((unsigned) length+1);
    if(confile)
    {
	fold_constrained = 1;
	strcpy(structure,ajStrGetPtr(constring));
    }

    
  
  if (circ && noLonelyPairs)
    ajWarn(
	    "warning, depending on the origin of the circular sequence, "
	    "some structures may be missed when using -noLP\n"
	    "Try rotating your sequence a few times\n");

  if (circ)
      min_en = circalifold((const char **)AS, structure);
  else
    min_en = alifold(AS, structure);
  {
    int i;
    double s=0;
    extern int eos_debug;
    eos_debug=-1; /* shut off warnings about nonstandard pairs */
    for (i=0; AS[i]!=NULL; i++)
      if (circ)
	s += energy_of_circ_struct(AS[i], structure);
      else
	s += energy_of_struct(AS[i], structure);
    real_en = s/i;
  }
  string = (mis) ?
    consens_mis((const char **) AS) : consensus((const char **) AS);
  ajFmtPrintF(outf,"%s\n%s", string, structure);

  ajFmtPrintF(outf," (%6.2f = %6.2f + %6.2f) \n", min_en, real_en,
              min_en-real_en );

  if (length<=2500) {
    char **A;
    A = annote(structure, (const char**) AS);
    if (doColor)
      (void) PS_rna_plot_a(string, structure, essfile, A[0], A[1]);
    else
      (void) PS_rna_plot_a(string, structure, essfile, NULL, A[1]);
    free(A[0]); free(A[1]);free(A);
  } else
    ajWarn("INFO: structure too long, not doing xy_plot\n");

  if (doAlnPS)
    PS_color_aln(structure, alifile, AS,  names);

  { /* free mfe arrays but preserve base_pair for PS_dot_plot */
    struct bond  *bp;
    bp = base_pair; base_pair = space(16);
    free_alifold_arrays();  /* free's base_pair */
    free_alipf_arrays();
    base_pair = bp;
  }
  if (pf) {
    double energy, kT;
    pair_info *pi;
    char * mfe_struc;

    mfe_struc = strdup(structure);

    kT = (temperature+273.15)*1.98717/1000.; /* in Kcal */
    pf_scale = exp(-(sfact*min_en)/kT/length);
    if (length>2000)
        ajWarn("scaling factor %f\n", pf_scale);

    /* init_alipf_fold(length); */

    if (confile)
        strncpy(structure, ajStrGetPtr(constring), length+1);
    energy = (circ) ? alipf_circ_fold(AS, structure, &pi) : alipf_fold(AS, structure, &pi);

    if (do_backtrack) {
        ajFmtPrintF(outf,"%s", structure);
        ajFmtPrintF(outf," [%6.2f]\n", energy);
    }
    if ((istty)||(!do_backtrack))
        ajFmtPrintF(outf," free energy of ensemble = %6.2f kcal/mol\n", energy);
    ajFmtPrintF(outf," frequency of mfe structure in ensemble %g\n",
	   exp((energy-min_en)/kT));

    if (do_backtrack) {
      FILE *aliout;
      cpair *cp;
      short *ptable; int k;
	ptable = make_pair_table(mfe_struc);
        ajFmtPrintF(outf,"\n# Alignment section\n\n");
        aliout = ajFileGetFileptr(outf);
        
	fprintf(aliout, "%d sequences; length of alignment %d\n",
		n_seq, length);
	fprintf(aliout, "alifold output\n");
	for (k=0; pi[k].i>0; k++) {
	  pi[k].comp = (ptable[pi[k].i] == pi[k].j) ? 1:0;
	  print_pi(pi[k], aliout);
	}
	fprintf(aliout, "%s\n", structure);
	free(ptable);

    cp = make_color_pinfo(pi);
      (void) PS_color_dot_plot(string, cp, dotfile);
      free(cp);
    free(mfe_struc);
    free(pi);
    }
  }
  


  if (cstruc!=NULL) free(cstruc);
  free(base_pair);
  (void) fflush(stdout);
  free(string);
  free(structure);
  for (i=0; AS[i]; i++) {
    free(AS[i]); free(names[i]);
  }

  ajSeqsetDel(&seq);
  ajStrDel(&constring);
  ajStrDel(&eenergy);
  ajStrDel(&edangles);
  ajStrDel(&ensbases);

  ajFileClose(&confile);
  ajFileClose(&paramfile);
  ajFileClose(&outf);
  ajFileClose(&essfile);
  ajFileClose(&alifile);
  ajFileClose(&dotfile);

  embExit();  

  return 0;
}