swaps.h File Reference

Routines related to swap sequences, often used during pivoting. More...

#include <myramath/MYRAMATH_EXPORT.h>
#include <myramath/utility/Number.h>
#include <myramath/utility/eprintf.h>
#include <myramath/utility/detail/ssize.h>
#include <myramath/utility/detail/sdistance.h>
#include <myramath/dense/intRange.h>
#include <vector>

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Classes
class	myra::VectorRange< Number >
	Represents a mutable VectorRange. More...
class	myra::MatrixRange< Number >
	Represents a mutable MatrixRange. More...
class	myra::Matrix< Number >
	Tabulates an IxJ matrix. Allows random access, has column major layout to be compatible with BLAS/LAPACK. More...

Functions
void	myra::swap_vector (const intCRange &swaps, const intRange &x)
	Applies swaps to an intRange.
void	myra::iswap_vector (const intCRange &swaps, const intRange &x)
	Inverts swaps on an intRange.
template<class T >
void	myra::swap_range (const intCRange &swaps, T *begin, T *end)
	Applies swaps on a range of T*.
template<class T >
void	myra::iswap_range (const intCRange &swaps, T *begin, T *end)
	Inverts swaps on a range of T*.
template<class T >
void	myra::swap_vector (const intCRange &swaps, std::vector< T > &v)
	Applies swaps to a std::vector<T>
template<class T >
void	myra::iswap_vector (const intCRange &swaps, std::vector< T > &v)
	Inverts swaps on a std::vector<T>
void	myra::inverse_perm (const intCRange &perm, const intRange &iperm)
	Returns the inverse of a given permutation.
std::vector< int >	myra::inverse_perm (const intCRange &perm)
	Returns the inverse of a given permutation.
void	myra::swaps2iswaps (const intCRange &swaps, const intRange &iswaps)
	Returns the inverse of a given swap sequence.
std::vector< int >	myra::swaps2iswaps (const intCRange &swaps)
	Returns the inverse of a given swap sequence.
void	myra::perm2swaps (const intCRange &perm, const intRange &swaps)
	Returns a sequence of swaps that applies the given permutation.
std::vector< int >	myra::perm2swaps (const intCRange &perm)
	Returns a sequence of swaps that applies the given permutation.
void	myra::swaps2perm (const intCRange &swaps, const intRange &perm)
	Returns a permutation that applies the given sequence of swaps.
std::vector< int >	myra::swaps2perm (const intCRange &swaps)
	Returns a permutation that applies the given sequence of swaps.
void	myra::swaps2iperm (const intCRange &swaps, const intRange &perm)
	Returns a permutation that inverts the given sequence of swaps.
std::vector< int >	myra::swaps2iperm (const intCRange &swaps)
	Returns a permutation that inverts the given sequence of swaps.
template<class Number >
Matrix< Number >	myra::swaps2Matrix (const intCRange &swaps)
	Given a swaps sequence, returns an equivalent permutation Matrix, P.
template<>
Matrix< NumberS >	myra::swaps2Matrix< NumberS > (const intCRange &swaps)
	Given a swaps sequence, returns an equivalent permutation Matrix, P.
template<>
Matrix< NumberD >	myra::swaps2Matrix< NumberD > (const intCRange &swaps)
	Given a swaps sequence, returns an equivalent permutation Matrix, P.
template<>
Matrix< NumberC >	myra::swaps2Matrix< NumberC > (const intCRange &swaps)
	Given a swaps sequence, returns an equivalent permutation Matrix, P.
template<>
Matrix< NumberZ >	myra::swaps2Matrix< NumberZ > (const intCRange &swaps)
	Given a swaps sequence, returns an equivalent permutation Matrix, P.
void	myra::swap_rows (const intCRange &swaps, const MatrixRange< NumberS > &X)
	Applies swaps along the rows of a MatrixRange (think P*X)
void	myra::swap_rows (const intCRange &swaps, const MatrixRange< NumberD > &X)
	Applies swaps along the rows of a MatrixRange (think P*X)
void	myra::swap_rows (const intCRange &swaps, const MatrixRange< NumberC > &X)
	Applies swaps along the rows of a MatrixRange (think P*X)
void	myra::swap_rows (const intCRange &swaps, const MatrixRange< NumberZ > &X)
	Applies swaps along the rows of a MatrixRange (think P*X)
void	myra::iswap_rows (const intCRange &swaps, const MatrixRange< NumberS > &X)
	Inverts swaps along the rows of a MatrixRange (think P'*X)
void	myra::iswap_rows (const intCRange &swaps, const MatrixRange< NumberD > &X)
	Inverts swaps along the rows of a MatrixRange (think P'*X)
void	myra::iswap_rows (const intCRange &swaps, const MatrixRange< NumberC > &X)
	Inverts swaps along the rows of a MatrixRange (think P'*X)
void	myra::iswap_rows (const intCRange &swaps, const MatrixRange< NumberZ > &X)
	Inverts swaps along the rows of a MatrixRange (think P'*X)
void	myra::swap_columns (const intCRange &swaps, const MatrixRange< NumberS > &X)
	Applies swaps along the columns of a MatrixRange (think X*P)
void	myra::swap_columns (const intCRange &swaps, const MatrixRange< NumberD > &X)
	Applies swaps along the columns of a MatrixRange (think X*P)
void	myra::swap_columns (const intCRange &swaps, const MatrixRange< NumberC > &X)
	Applies swaps along the columns of a MatrixRange (think X*P)
void	myra::swap_columns (const intCRange &swaps, const MatrixRange< NumberZ > &X)
	Applies swaps along the columns of a MatrixRange (think X*P)
void	myra::iswap_columns (const intCRange &swaps, const MatrixRange< NumberS > &X)
	Inverts swaps along the columns of a MatrixRange (think X*P')
void	myra::iswap_columns (const intCRange &swaps, const MatrixRange< NumberD > &X)
	Inverts swaps along the columns of a MatrixRange (think X*P')
void	myra::iswap_columns (const intCRange &swaps, const MatrixRange< NumberC > &X)
	Inverts swaps along the columns of a MatrixRange (think X*P')
void	myra::iswap_columns (const intCRange &swaps, const MatrixRange< NumberZ > &X)
	Inverts swaps along the columns of a MatrixRange (think X*P')
void	myra::swap_vector (const intCRange &swaps, const VectorRange< NumberS > &x)
	Applies swaps to a VectorRange (think P*x)
void	myra::swap_vector (const intCRange &swaps, const VectorRange< NumberD > &x)
	Applies swaps to a VectorRange (think P*x)
void	myra::swap_vector (const intCRange &swaps, const VectorRange< NumberC > &x)
	Applies swaps to a VectorRange (think P*x)
void	myra::swap_vector (const intCRange &swaps, const VectorRange< NumberZ > &x)
	Applies swaps to a VectorRange (think P*x)
void	myra::iswap_vector (const intCRange &swaps, const VectorRange< NumberS > &x)
	Inverts swaps on a VectorRange (think P'*x)
void	myra::iswap_vector (const intCRange &swaps, const VectorRange< NumberD > &x)
	Inverts swaps on a VectorRange (think P'*x)
void	myra::iswap_vector (const intCRange &swaps, const VectorRange< NumberC > &x)
	Inverts swaps on a VectorRange (think P'*x)
void	myra::iswap_vector (const intCRange &swaps, const VectorRange< NumberZ > &x)
	Inverts swaps on a VectorRange (think P'*x)

Detailed Description

Routines related to swap sequences, often used during pivoting.