/*
 * ProfilerPlaneFitter.cpp
 *
 * Implementation of the fitter for a profiler plane data.
 *
 *  Created on: Oct 13, 2015
 *      Author: Hovanes Egiyan
 */

#include "ProfilerPlaneFitter.hh"

using namespace ROOT::Minuit2;
using namespace std;

// Strategy for fitting
//MnStrategy ProfilerPlaneFitter::ppfStrategy = MnStrategy( 2 );

// Number of maximum calls to the function
unsigned ProfilerPlaneFitter::ppfMaxCalls = 100000;

// Allowed error for considering fit converged
double ProfilerPlaneFitter::ppfTolerance = 1.0e-11;

// Constructor
ProfilerPlaneFitter::ProfilerPlaneFitter( const string name ) :
		CombinedMinimizer(), ppfName( name ), ppfStrategy(2) {
	return;
}

// Copy constructor
ProfilerPlaneFitter::ProfilerPlaneFitter( const ProfilerPlaneFitter& f ) :
		CombinedMinimizer( f ), ppfName( f.ppfName ), ppfStrategy(f.ppfStrategy) {
	return;
}

// Destructor
ProfilerPlaneFitter::~ProfilerPlaneFitter() {
	return;
}

// assignment operator
ProfilerPlaneFitter& ProfilerPlaneFitter::operator=( const ProfilerPlaneFitter& f ) {
	CombinedMinimizer::operator=( f );
	ppfName = f.ppfName;
	ppfStrategy = f.ppfStrategy;
	return *this;
}

// The method that we will be using to minimize the Chi2 using the function with gradients and the
// initial parameter object.
FunctionMinimum ProfilerPlaneFitter::Minimize( const FCNGradientBase& dist,
		const MnUserParameters& pars ) {
	return CombinedMinimizer::Minimize( dist, pars, ppfStrategy, ppfMaxCalls, ppfTolerance );
}