/*
This file implements a bipartition structure.
Copyright (C) 2004 The University of Texas at Austin

Based upon Daniel Huson's implementation.

This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your option)
any later version.

This program 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 General Public License
for more details.

You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc., 59
Temple Place - Suite 330, Boston, MA 02111-1307, USA.

Email: usman@cs.njit.edu
Mail: Usman Roshan, Department of Computer Sciences, NJIT-CCS, Computer
Science Department, GITC 4400, University Heights, Newark, NJ 07102
*/
#include<split.h>
#include<stdlib.h>
#include<stdio.h>
#include<assert.h>

split
new_split()
{

	split           s;
	s = (split) malloc(sizeof(struct split_struct));
	s->A = new_int_set(32);
	s->B = new_int_set(32);
	return s;
}

void
del_split(split s)
{
	assert(s);
	assert(s->A);
	assert(s->B);
	del_int_set(s->A);
	del_int_set(s->B);
	s->A = NULL;
	s->B = NULL;
	free(s);
}

int_set
get_A_split(split s)
{
	assert(s);
	return s->A;
}

int_set
get_B_split(split s)
{
	assert(s);
	return s->B;
}

void
set_split(split s, int_set A, int_set B, double wgt)
{
	assert(s);
	if (choose_int_set(A) <= choose_int_set(B)) {
		assign_int_set(s->A, A);
		assign_int_set(s->B, B);
		/* s->A=A; */
	} else {
		assign_int_set(s->A, B);
		assign_int_set(s->B, A);
		/* s->A=B; */
	}
	s->wgt = wgt;
}

void
print_split(split s)
{
	assert(s);
	print_int_set(s->A);
	printf(": ");
	printf("%.2f", s->wgt);
}

void
print_split3(split s, int_set taxa)
{
	assert(s);
	print_int_set(s->A);
	printf(" | ");
	print_int_set(s->B);
	printf(": ");
	printf("%.2f", s->wgt);
}