qr_decomposition_cl()

template<bool need_Q = true>

void stan::math::qr_decomposition_cl	(	const matrix_cl< double > &	A,
		matrix_cl< double > &	Q,
		matrix_cl< double > &	R,
		int	r = 100
	)

Calculates QR decomposition of A using the block Householder algorithm.

The implementation is based on the article: need_Q whether Q needs to be calculated (default true) A matrix to factorize Q out the orthonormal matrix R out the lower triangular matrix r Block size. Optimal value depends on the hardware.

Definition at line 34 of file qr_decomposition.hpp.