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/*=========================================================================
Program: Visualization Toolkit
Module: vtkInitialValueProblemSolver.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkInitialValueProblemSolver.h"
#include "vtkFunctionSet.h"
vtkInitialValueProblemSolver::vtkInitialValueProblemSolver()
{
this->FunctionSet = 0;
this->Vals = 0;
this->Derivs = 0;
this->Initialized = 0;
this->Adaptive = 0;
}
vtkInitialValueProblemSolver::~vtkInitialValueProblemSolver()
{
this->SetFunctionSet(0);
delete[] this->Vals;
this->Vals = 0;
delete[] this->Derivs;
this->Derivs = 0;
this->Initialized = 0;
}
void vtkInitialValueProblemSolver::SetFunctionSet(vtkFunctionSet* fset)
{
if (this->FunctionSet != fset)
{
if (this->FunctionSet != 0) { this->FunctionSet->UnRegister(this); }
if (fset != 0 && (fset->GetNumberOfFunctions() !=
fset->GetNumberOfIndependentVariables() - 1))
{
vtkErrorMacro("Invalid function set!");
this->FunctionSet = 0;
return;
}
this->FunctionSet = fset;
if (this->FunctionSet != 0) { this->FunctionSet->Register(this); }
this->Modified();
}
this->Initialize();
}
void vtkInitialValueProblemSolver::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
os << indent << "Function set : " << this->FunctionSet << endl;
os << indent << "Function values : " << this->Vals << endl;
os << indent << "Function derivatives: " << this->Derivs << endl;
os << indent << "Initialized: " << (this->Initialized ? "Yes" : "No") << endl;
}
void vtkInitialValueProblemSolver::Initialize()
{
if (!this->FunctionSet)
{
return;
}
delete[] this->Vals;
this->Vals =
new double[this->FunctionSet->GetNumberOfIndependentVariables()];
delete[] this->Derivs;
this->Derivs =
new double[this->FunctionSet->GetNumberOfFunctions()];
this->Initialized = 1;
}
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