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/* t2z.h
Mark Woolrich & Mark Jenkinson, FMRIB Image Analysis Group
Copyright (C) 1999-2000 University of Oxford */
/* CCOPYRIGHT */
#if !defined(__t2z_h)
#define __t2z_h
#include "newmat/newmatap.h"
#include "newmat/newmatio.h"
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#include "base2z.h"
using namespace NEWMAT;
namespace MISCMATHS {
class T2z : public Base2z
{
public:
static T2z& getInstance();
~T2z() { delete t2z; }
float convert(float t, int dof);
float converttologp(float t, int dof);
static void ComputePs(const ColumnVector& p_vars, const ColumnVector& p_cbs, int p_dof, ColumnVector& p_ps);
static void ComputeZStats(const ColumnVector& p_vars, const ColumnVector& p_cbs, int p_dof, ColumnVector& p_zs);
static void ComputeZStats(const ColumnVector& p_vars, const ColumnVector& p_cbs, const ColumnVector& p_dof, ColumnVector& p_zs);
private:
T2z() : Base2z()
{}
const T2z& operator=(T2z&);
T2z(T2z&);
bool issmalllogp(float logp);
bool islarget(float t, int dof, float &logp);
float larget2logp(float t, int dof);
static T2z* t2z;
};
inline T2z& T2z::getInstance(){
if(t2z == NULL)
t2z = new T2z();
return *t2z;
}
}
#endif