File: treefrommsa.cpp

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muscle 3.60-1
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#include "muscle.h"
#include "msa.h"
#include "tree.h"
#include "clust.h"
#include "clustsetmsa.h"
#include "distcalc.h"

static void TreeFromMSA_NJ(const MSA &msa, Tree &tree, CLUSTER Cluster,
  DISTANCE Distance)
	{
	MSADist MD(Distance);
	ClustSetMSA Set(msa, MD);

	Clust C;
	C.Create(Set, Cluster);

	tree.FromClust(C);
	}

static void TreeFromMSA_UPGMA(const MSA &msa, Tree &tree, CLUSTER Cluster,
  DISTANCE Distance)
	{
	LINKAGE Linkage = LINKAGE_Undefined;
	switch (Cluster)
		{
	case CLUSTER_UPGMA:
		Linkage = LINKAGE_Avg;
		break;
	case CLUSTER_UPGMAMin:
		Linkage = LINKAGE_Min;
		break;
	case CLUSTER_UPGMAMax:
		Linkage = LINKAGE_Max;
		break;
	case CLUSTER_UPGMB:
		Linkage = LINKAGE_Biased;
		break;
	default:
		Quit("TreeFromMSA_UPGMA, CLUSTER_%u not supported", Cluster);
		}
	
	DistCalcMSA DC;
	DC.Init(msa, Distance);
	UPGMA2(DC, tree, Linkage);
	}

void TreeFromMSA(const MSA &msa, Tree &tree, CLUSTER Cluster,
  DISTANCE Distance, ROOT Root)
	{
	if (CLUSTER_NeighborJoining == Cluster)
		TreeFromMSA_NJ(msa, tree, Cluster, Distance);
	else
		TreeFromMSA_UPGMA(msa, tree, Cluster, Distance);
	FixRoot(tree, Root);
	}