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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | // Geometric Tools, LLC
// Copyright (c) 1998-2014
// Distributed under the Boost Software License, Version 1.0.
// http://www.boost.org/LICENSE_1_0.txt
// http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
//
// File Version: 5.0.1 (2010/10/01)
#ifndef WM5ODESOLVER_H
#define WM5ODESOLVER_H
#include "Wm5MathematicsLIB.h"
namespace Wm5
{
template <typename Real>
class WM5_MATHEMATICS_ITEM OdeSolver
{
public:
// The system is dx/dt = F(t,x). The dimension of x is passed to the
// constructor of OdeSolver.
typedef void (*Function)(
Real, // t
const Real*, // x
void*, // user-specified data
Real*); // F(t,x)
// Abstract base class.
protected:
OdeSolver (int dim, Real step, Function function, void* userData = 0);
public:
virtual ~OdeSolver ();
virtual void Update (Real tIn, Real* xIn, Real& tOut, Real* xOut) = 0;
virtual void SetStepSize (Real step) = 0;
Real GetStepSize () const;
void SetUserData (void* UserData);
void* GetUserData () const;
protected:
int mDim;
Real mStep;
Function mFunction;
void* mUserData;
Real* mFValue;
};
typedef OdeSolver<float> OdeSolverf;
typedef OdeSolver<double> OdeSolverd;
}
#endif
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