/* version 3.6. (c) Copyright 1993-2000 by the University of Washington.
   Written by Joseph Felsenstein, Akiko Fuseki, Sean Lamont, and Andrew Keeffe.
   Permission is granted to copy and use this program provided no fee is
   charged for it and provided that this copyright notice is not removed. */

/*
  discrete.h: included in pars
*/

typedef struct gbases {
  discbaseptr discbase;
  struct gbases *next;
} gbases;

struct LOC_hyptrav {
  boolean bottom;
  node *r;
  discbaseptr hypset;
  boolean maybe, nonzero;
  unsigned char tempset, anc;
} ;


extern long nonodes, endsite, outgrno, nextree, which;
extern boolean interleaved, printdata, outgropt, treeprint, dotdiff;
extern steptr weight, category, alias, location, ally;
extern sequence y, convtab;

#ifndef OLDC
/*function prototypes*/
void   inputdata(long);
void   alloctree(pointarray *, long, boolean);
void   setuptree(pointarray, long, boolean);
void   alloctip(node *, long *, unsigned char *);
void   sitesort(long, steptr);
void   sitecombine(long);
void   sitescrunch(long);

void   makevalues(pointarray, long *, unsigned char *, boolean);
void   fillin(node *, node *, node *);
long   getlargest(long *);
void   multifillin(node *, node *, long);
void   sumnsteps(node *, node *, node *, long, long);
void   sumnsteps2(node *, node *, node *, long, long, long *);
void   multisumnsteps(node *, node *, long, long, long *);
void   multisumnsteps2(node *);
void   findoutgroup(node *, boolean *);
boolean alltips(node *, node *);

void   gdispose(node *, node **, pointarray);
void   preorder(node *, node *, node *, node *, node *, node *, long );
void   updatenumdesc(node *, node *, long);
void   add(node *, node *, node *, node **, boolean, pointarray,
           node **, long *, unsigned char *);
void   findbelow(node **, node *, node *);
void   re_move(node *, node **, node **, boolean, pointarray,
               node **, long *, unsigned char *);
void   postorder(node *);
void   getnufork(node **, node **, pointarray, long *, unsigned char *);
void   reroot(node *, node *);
void   reroot2(node *, node *);

void   reroot3(node *, node *, node *, node *, node **);
void   savetraverse(node *);
void   newindex(long, node *);
void   flipindexes(long, pointarray);
boolean parentinmulti(node *);
long   sibsvisited(node *, long *);
long   smallest(node *, long *);
void   bintomulti(node **, node **, node **, long *, unsigned char *);
void   backtobinary(node **, node *, node **);
boolean outgrin(node *, node *);

void   flipnodes(node *, node *);
void   moveleft(node *, node *, node **);
void   savetree(node *, long *, pointarray, node **, long *,
                unsigned char *);
void   addnsave(node *, node *, node *, node **, node **, boolean multf,
                pointarray , long *, long *, unsigned char *);
void   addbestever(long *, long *, long, boolean, long *, bestelm *);
void   addtiedtree(long, long *, long, boolean, long *, bestelm *);
void   clearcollapse(pointarray);
void   clearbottom(pointarray);
void   collabranch(node *,node *,node *);
boolean allcommonbases(node *, node *, boolean *);

void    findbottom(node *, node **);
boolean moresteps(node *, node *);
boolean passdown(node *, node *, node *, node *, node *, node *, node *,
                node *, node *, boolean);
boolean trycollapdesc(node *, node *, node *, node *, node *, node *,
                node *, node *, node *, boolean ,long *, unsigned char *);
void   setbottom(node *);
boolean zeroinsubtree(node *, node *, node *, node *, node *, node *,
                node *, node *, boolean , node *, long *, unsigned char *);
boolean collapsible(node *, node *, node *, node *, node *, node *, node *, 
                node *, boolean , node *, long *, unsigned char *, pointarray);
void   replaceback(node **,node *,node *,node **,long *,unsigned char *);
void   putback(node *, node *, node *, node **);
void   savelocrearr(node *, node *, node *, node *, node *, node *,
                node *, node *, node *, node **, long, long *, boolean, boolean,
                boolean *, long *, bestelm *, pointarray, node **, long *,
                unsigned char *);

void   clearvisited(pointarray);
void   hyprint(long,long,struct LOC_hyptrav *, pointarray);
void   gnubase(gbases **, gbases **, long);
void   chuckbase(gbases *, gbases **);
void   hyptrav(node *, discbaseptr, long, long, boolean, pointarray,
                gbases **);
void   hypstates(long, node *, pointarray, gbases **);
void   initbranchlen(node *);
void   initmin(node *, long, boolean);
void   initbase(node *, long);
void   inittreetrav(node *, long);

void   compmin(node *, node *);
void   minpostorder(node *, pointarray);
void   branchlength(node *, node *, double *, pointarray);
void   printbranchlengths(node *);
void   branchlentrav(node *, node *, long, long, double *, pointarray);
void   treelength(node *, long, pointarray);
void   coordinates(node *, long *, double , long *);
void   drawline(long, double, node *);
void   printree(node *, double);
void   writesteps(long, boolean, steptr, node *);

void   treeout(node *, long, long *, node *);
void   drawline3(long, double, node *);
void   standev(long, long, long, double, double *, long **, longer);
void   freetip(node *);
void   freenontip(node *);
void   freenodes(long, pointarray);
void   freenode(node **);
void   freetree(long, pointarray);
void   freegarbage(gbases **);
void   freegrbg(node **);
void treeout3(node *p, long nextree, long *col, node *root);
/*function prototypes*/
#endif