cmsmath::MinimizerContext Struct Reference

Basic struct to call a function. More...

#include <SequentialMinimizer.h>

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

Detailed Description

Basic struct to call a function.

Definition at line 13 of file SequentialMinimizer.h.

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) {}

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(); }

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 python.rootplot.utilities.Hist::__init_TGraph(), svgfig.Curve.Sample::__repr__(), svgfig.Ellipse::__repr__(), python.rootplot.root2matplotlib.Hist::_prepare_xaxis(), python.rootplot.root2matplotlib.Hist::_prepare_yaxis(), Vispa.Gui.WidgetContainer.WidgetContainer::autosize(), Vispa.Gui.VispaWidget.VispaWidget::boundingRect(), python.rootplot.root2matplotlib.Hist2D::box(), cleanEval(), python.rootplot.root2matplotlib.Hist2D::contour(), python.rootplot.root2matplotlib.Hist::errorbar(), python.rootplot.root2matplotlib.Hist::errorbarh(), eval(), geometryXMLparser.Alignable::pos(), Vispa.Gui.ConnectableWidget.ConnectableWidget::positionizeMenuWidget(), setAndEval(), python.rootplot.utilities.Hist::TGraph(), and cmsmath::OneDimMinimizer::x().