PiecewiseConstantHelper1 Class Reference

Piecewise Constant Helper 1. More...

#include <qle/models/piecewiseconstanthelper.hpp>

Inheritance diagram for PiecewiseConstantHelper1:

Public Member Functions
	PiecewiseConstantHelper1 (const Array &t, const boost::shared_ptr< QuantLib::Constraint > &constraint=boost::make_shared< QuantLib::NoConstraint >())
	PiecewiseConstantHelper1 (const std::vector< Date > &dates, const Handle< YieldTermStructure > &yts, const boost::shared_ptr< QuantLib::Constraint > &constraint=boost::make_shared< QuantLib::NoConstraint >())
const Array &	t () const
const boost::shared_ptr< Parameter >	p () const
void	update () const
Real	y (const Time t) const
Real	int_y_sqr (const Time t) const
	int_0^t y^2(s) ds
Real	direct (const Real x) const
Real	inverse (const Real y) const

Protected Attributes
const Array	t_
const boost::shared_ptr< PseudoParameter >	y_

Detailed Description

Piecewise Constant Helper 1.

Member Function Documentation

y()

Real y

(

const Time

t

)

const

this returns the transformed value

Member Data Documentation

y_

const boost::shared_ptr<PseudoParameter> y_

protected

y are the raw values in the sense of parameter transformation