Documentation

Solves real linear system a(x) = b , with a is a linear function of x , using conjugate gradient solver with a diagonal preconditioner.

Definition at line 62 of file conjgrad.h.

Public Types
typedef D::element_type value_type

Public Member Functions
value_type operator() (F &a, const D &b, D &x, const D &preconditioner, value_type convergence_target=-1.0)

Member Typedef Documentation

template<typename D , typename F >

Definition at line 63 of file conjgrad.h.

template<typename D , typename F >

value_type TiledArray::math::linalg::ConjugateGradientSolver< D, F >::operator()	(	F &	a,
		const D &	b,
		D &	x,
		const D &	preconditioner,
		value_type	convergence_target = `-1.0`
	)

inline

Parameters

a	object of type F
b	RHS
x	unknown
preconditioner
convergence_target	The convergence target [default = -1.0]

Returns: The 2-norm of the residual, a(x) - b, divided by the number of elements in the residual.

Definition at line 72 of file conjgrad.h.

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