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75 lines
2.3 KiB
75 lines
2.3 KiB
/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkFunctionSet.h,v $
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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// .NAME vtkFunctionSet - Abstract inteface for sets of functions
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// .SECTION Description
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// vtkFunctionSet specifies an abstract interface for set of functions
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// of the form F_i = F_i(x_j) where F (with i=1..m) are the functions
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// and x (with j=1..n) are the independent variables.
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// The only supported operation is the function evaluation at x_j.
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// .SECTION See Also
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// vtkImplicitDataSet vtkInterpolatedVelocityField
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// vtkInitialValueProblemSolver
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#ifndef __vtkFunctionSet_h
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#define __vtkFunctionSet_h
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#include "vtkObject.h"
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class VTK_COMMON_EXPORT vtkFunctionSet : public vtkObject
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{
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public:
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vtkTypeRevisionMacro(vtkFunctionSet,vtkObject);
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virtual void PrintSelf(ostream& os, vtkIndent indent);
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// Description:
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// Evaluate functions at x_j.
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// x and f have to point to valid double arrays of appropriate
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// sizes obtained with GetNumberOfFunctions() and
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// GetNumberOfIndependentVariables.
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virtual int FunctionValues(double* x, double* f) = 0;
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// Description:
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// Return the number of functions. Note that this is constant for
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// a given type of set of functions and can not be changed at
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// run time.
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virtual int GetNumberOfFunctions() {
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return this->NumFuncs; }
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// Description:
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// Return the number of independent variables. Note that this is
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// constant for a given type of set of functions and can not be changed
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// at run time.
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virtual int GetNumberOfIndependentVariables() {
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return this->NumIndepVars; }
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protected:
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vtkFunctionSet();
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~vtkFunctionSet() {};
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int NumFuncs;
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int NumIndepVars;
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private:
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vtkFunctionSet(const vtkFunctionSet&); // Not implemented.
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void operator=(const vtkFunctionSet&); // Not implemented.
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};
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#endif
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