btConjugateGradient< MatrixX > Class Template Reference

#include <btConjugateGradient.h>

Inheritance diagram for btConjugateGradient< MatrixX >:

Public Member Functions
	btConjugateGradient (const int max_it_in)
virtual	~btConjugateGradient ()
int	solve (MatrixX &A, TVStack &x, const TVStack &b, bool verbose=false)
void	reinitialize (const TVStack &b)
Public Member Functions inherited from btKrylovSolver< MatrixX >
	btKrylovSolver (int maxIterations, btScalar tolerance)
virtual	~btKrylovSolver ()
virtual SIMD_FORCE_INLINE TVStack	sub (const TVStack &a, const TVStack &b)
virtual SIMD_FORCE_INLINE btScalar	squaredNorm (const TVStack &a)
virtual SIMD_FORCE_INLINE btScalar	norm (const TVStack &a)
virtual SIMD_FORCE_INLINE btScalar	dot (const TVStack &a, const TVStack &b)
virtual SIMD_FORCE_INLINE void	multAndAddTo (btScalar s, const TVStack &a, TVStack &result)
virtual SIMD_FORCE_INLINE TVStack	multAndAdd (btScalar s, const TVStack &a, const TVStack &b)
virtual SIMD_FORCE_INLINE void	setTolerance (btScalar tolerance)

Additional Inherited Members
Public Attributes inherited from btKrylovSolver< MatrixX >
int	m_maxIterations
btScalar	m_tolerance

Detailed Description

template<class MatrixX>
class btConjugateGradient< MatrixX >

Definition at line 20 of file btConjugateGradient.h.

Constructor & Destructor Documentation

btConjugateGradient()

template<class MatrixX >

btConjugateGradient< MatrixX >::btConjugateGradient ( const int  max_it_in )

inline

Definition at line 27 of file btConjugateGradient.h.

~btConjugateGradient()

template<class MatrixX >

virtual btConjugateGradient< MatrixX >::~btConjugateGradient ( )

inlinevirtual

Definition at line 32 of file btConjugateGradient.h.

Member Function Documentation

reinitialize()

template<class MatrixX >

void btConjugateGradient< MatrixX >::reinitialize ( const TVStack &  b )

inlinevirtual

Implements btKrylovSolver< MatrixX >.

Definition at line 109 of file btConjugateGradient.h.

References usdtokens::b(), r, btAlignedObjectArray< T >::resize(), and z.

Referenced by btConjugateGradient< MatrixX >::solve().

solve()

template<class MatrixX >

int btConjugateGradient< MatrixX >::solve ( MatrixX &  A, TVStack &  x, const TVStack &  b, bool  verbose = false  )

inlinevirtual

Implements btKrylovSolver< MatrixX >.

Definition at line 35 of file btConjugateGradient.h.

References A, usdtokens::b(), beta(), BT_PROFILE, btAssert, btMin(), btKrylovSolver< MatrixX >::dot(), btKrylovSolver< MatrixX >::m_maxIterations, btKrylovSolver< MatrixX >::m_tolerance, btKrylovSolver< MatrixX >::multAndAdd(), btKrylovSolver< MatrixX >::multAndAddTo(), r, btConjugateGradient< MatrixX >::reinitialize(), btKrylovSolver< MatrixX >::sub(), verbose, x, and z.

Referenced by btDeformableBodySolver::computeDescentStep(), and btDeformableBodySolver::computeStep().

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

• btConjugateGradient.h