#include <ScalarFunctionsImpl.h>

Inheritance diagram for LinearScalarFunction:

Collaboration diagram for LinearScalarFunction:

Public Member Functions
	LinearScalarFunction (const doublereal t_i, const doublereal y_i, const doublereal t_f, const doublereal y_f)

virtual	~LinearScalarFunction (void)

virtual doublereal	operator() (const doublereal x) const

virtual doublereal	ComputeDiff (const doublereal t, const integer order=1) const

Public Member Functions inherited from DifferentiableScalarFunction
virtual	~DifferentiableScalarFunction ()

Public Member Functions inherited from BasicScalarFunction
virtual	~BasicScalarFunction ()

Private Attributes
doublereal	m

doublereal	y0

Detailed Description

Definition at line 67 of file ScalarFunctionsImpl.h.

Constructor & Destructor Documentation

LinearScalarFunction::LinearScalarFunction	(	const doublereal	t_i,
		const doublereal	y_i,
		const doublereal	t_f,
		const doublereal	y_f
	)

Definition at line 184 of file ScalarFunctionsImpl.cc.

References ASSERTMSGBREAK, m, and y0.

 {
         ASSERTMSGBREAK(t_i != t_f, "LinearScalarFunction error, t_i == t_f");
         m = (y_f - y_i)/(t_f - t_i);
         y0 = y_i - m*t_i;
 }

LinearScalarFunction::~LinearScalarFunction ( void )

virtual

Definition at line 195 of file ScalarFunctionsImpl.cc.

References NO_OP.

 {
         NO_OP;
 }

Member Function Documentation

doublereal LinearScalarFunction::ComputeDiff	(	const doublereal	t,
		const integer	order = `1`
	)		const

virtual

Implements DifferentiableScalarFunction.

Definition at line 207 of file ScalarFunctionsImpl.cc.

References ASSERTMSGBREAK, m, and operator()().

 {
         ASSERTMSGBREAK(order >=0, "Error in LinearScalarFunction::ComputeDiff, order<0");
         switch (order) {
         case 0: 
                 return this->operator()(x);
 
         case 1: 
                 return m;
 
         default:
                 return 0.;
 
         }
 }