cmsmath::MinimizerContext Struct Reference

Basic struct to call a function. More...

#include <SequentialMinimizer.h>

List of all members.

Public Member Functions
double	cleanEval (unsigned int i, double xi) const
double	eval () const
	MinimizerContext (const ROOT::Math::IMultiGenFunction *function)
double	setAndEval (unsigned int i, double xi) const
Public Attributes
const ROOT::Math::IMultiGenFunction *	func
unsigned int	nCalls
std::vector< double >	x

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Detailed Description

Basic struct to call a function.

Definition at line 13 of file SequentialMinimizer.h.

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Constructor & Destructor Documentation

cmsmath::MinimizerContext::MinimizerContext

(

const ROOT::Math::IMultiGenFunction *

function

)

[inline]

Definition at line 14 of file SequentialMinimizer.h.

: func(function), x(func->NDim()), nCalls(0) {}

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Member Function Documentation

double cmsmath::MinimizerContext::cleanEval	(	unsigned int	i,
		double	xi
	)		const [inline]

Definition at line 18 of file SequentialMinimizer.h.

References eval(), i, x, and detailsBasic3DVector::y.

Referenced by cmsmath::OneDimMinimizer::eval().

{ double x0 = x[i]; x[i] = xi; double y = eval(); x[i] = x0; return y; }

double cmsmath::MinimizerContext::eval

(

)

const [inline]

Definition at line 16 of file SequentialMinimizer.h.

References func, nCalls, and x.

Referenced by cleanEval(), cmsmath::OneDimMinimizer::eval(), and setAndEval().

{ nCalls++; return (*func)(&x[0]); }

double cmsmath::MinimizerContext::setAndEval	(	unsigned int	i,
		double	xi
	)		const [inline]

Definition at line 17 of file SequentialMinimizer.h.

References eval(), i, and x.

{ x[i] = xi; return eval(); }

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Member Data Documentation

const ROOT::Math::IMultiGenFunction* cmsmath::MinimizerContext::func

Definition at line 20 of file SequentialMinimizer.h.

Referenced by eval().

unsigned int cmsmath::MinimizerContext::nCalls [mutable]

Definition at line 23 of file SequentialMinimizer.h.

Referenced by eval().

std::vector<double> cmsmath::MinimizerContext::x [mutable]

Definition at line 22 of file SequentialMinimizer.h.

Referenced by cleanEval(), eval(), setAndEval(), and cmsmath::OneDimMinimizer::x().