numerical::detail::row_operation Struct Reference

One operation of tridiagonal_ql or bidiagonal_qr on the rows of a vector matrix, recorded to be applied later. More...

#include <decomposition.hpp>

Public Types
enum class	kind : std::uint8_t { rotate , negate , swap }

Public Attributes
kind	what
	The operation.
std::size_t	i
	The first row.
std::size_t	j
	The second row (unused by negate).
double	c
	The cosine of a rotation.
double	s
	The sine of a rotation.

Detailed Description

One operation of tridiagonal_ql or bidiagonal_qr on the rows of a vector matrix, recorded to be applied later.

Definition at line 3347 of file decomposition.hpp.

Member Enumeration Documentation

kind

enum class numerical::detail::row_operation::kind : std::uint8_t

strong

Enumerator
rotate	row_i ← c row_i + s row_j, row_j ← c row_j − s row_i
negate	row i ← −row i
swap	rows i and j exchanged

Definition at line 3349 of file decomposition.hpp.

Member Data Documentation

c

double numerical::detail::row_operation::c

The cosine of a rotation.

Definition at line 3359 of file decomposition.hpp.

i

std::size_t numerical::detail::row_operation::i

The first row.

Definition at line 3357 of file decomposition.hpp.

j

std::size_t numerical::detail::row_operation::j

The second row (unused by negate).

Definition at line 3358 of file decomposition.hpp.

s

double numerical::detail::row_operation::s

The sine of a rotation.

Definition at line 3360 of file decomposition.hpp.

what

kind numerical::detail::row_operation::what

The operation.

Definition at line 3356 of file decomposition.hpp.

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

• include/numerical/decomposition.hpp