SplineClass Class Reference

#include <Spline.h>

Public Member Functions
	SplineClass ()
bool	build (void)
bool	add_value_constraint (double x, double y)
void	add_4value_constraints (double x1, double x2, double x3, double x4, double y1, double y2, double y3, double y4)
bool	add_derivative_constraint (double x, double dydx)
double	evaluate (double x)

Public Attributes
double	a
double	b
double	c
double	d

Protected Attributes
int	Nconstraints
std::vector< std::vector < double > >	A
std::vector< double >	B

Detailed Description

A spline is a curve given by the form y = ax^3 + bx^2 + c*x + d As there are 4 constants, 4 constraints are needed to create the spline. These constraints could be the derivative or value at a point Often, the value and derivative of the value are known at two points.

Definition at line 9 of file Spline.h.

Constructor & Destructor Documentation

SplineClass::SplineClass

(

)

Definition at line 7 of file Spline.cpp.

Member Function Documentation

void SplineClass::add_4value_constraints	(	double	x1,
		double	x2,
		double	x3,
		double	x4,
		double	y1,
		double	y2,
		double	y3,
		double	y4
	)

Definition at line 42 of file Spline.cpp.

bool SplineClass::add_derivative_constraint	(	double	x,
		double	dydx
	)

Definition at line 49 of file Spline.cpp.

bool SplineClass::add_value_constraint	(	double	x,
		double	y
	)

Definition at line 29 of file Spline.cpp.

bool SplineClass::build

(

void

)

Definition at line 13 of file Spline.cpp.

double SplineClass::evaluate

(

double

x

)

Definition at line 62 of file Spline.cpp.

Member Data Documentation

std::vector<std::vector<double> > SplineClass::A

protected

Definition at line 13 of file Spline.h.

double SplineClass::a

Definition at line 16 of file Spline.h.

std::vector<double> SplineClass::B

protected

Definition at line 14 of file Spline.h.

double SplineClass::b

Definition at line 16 of file Spline.h.

double SplineClass::c

Definition at line 16 of file Spline.h.

double SplineClass::d

Definition at line 16 of file Spline.h.

int SplineClass::Nconstraints

protected

Definition at line 12 of file Spline.h.

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The documentation for this class was generated from the following files:

• CoolProp/Spline.h
• CoolProp/Spline.cpp