sqrtm.cc File Reference

#include <float.h>
#include "CmplxSCHUR.h"
#include "fCmplxSCHUR.h"
#include "lo-ieee.h"
#include "lo-mappers.h"
#include "oct-norm.h"
#include "defun.h"
#include "error.h"
#include "gripes.h"
#include "utils.h"
#include "xnorm.h"

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Functions
template<class Matrix , class ComplexMatrix , class ComplexSCHUR >
static octave_value	do_sqrtm (const octave_value &arg)
OCTAVE_EXPORT octave_value_list	Fsqrtm (const octave_value_list &args, int nargout)
template<class Matrix >
static void	sqrtm_utri_inplace (Matrix &T)

Function Documentation

template<class Matrix , class ComplexMatrix , class ComplexSCHUR >

static octave_value do_sqrtm ( const octave_value &  arg )

static

Definition at line 93 of file sqrtm.cc.

References Matrix::any_element_is_negative(), arg(), blas_conj_trans, blas_no_trans, Matrix::diag(), MatrixType::Diagonal, eps, imag(), octave_value::is_complex_type(), MatrixType::is_unknown(), MatrixType::Lower, octave_value::matrix_type(), octave_value_extract< ComplexMatrix >(), octave_value_extract< Matrix >(), real, Array< T >::rows(), ComplexSCHUR::schur_matrix(), sqrtm_utri_inplace(), Matrix::transpose(), ComplexMatrix::transpose(), MatrixType::type(), ComplexSCHUR::unitary_matrix(), MatrixType::Upper, x, xgemm(), and xnorm().

OCTAVE_EXPORT octave_value_list Fsqrtm	(	const octave_value_list &	args,
		int	nargout
	)

Definition at line 212 of file sqrtm.cc.

References arg(), octave_value::columns(), error_state, gripe_square_matrix_required(), octave_value::is_diag_matrix(), octave_value::is_numeric_type(), octave_value::is_single_type(), octave_value_list::length(), octave_value::ndims(), print_usage(), octave_value_list::resize(), octave_value::rows(), octave_value::sqrt(), and xfrobnorm().

template<class Matrix >

static void sqrtm_utri_inplace ( Matrix &  T )

static

Definition at line 44 of file sqrtm.cc.

References Array< T >::fortran_vec(), Array< T >::rows(), octave_value::sqrt(), and warning_with_id().

Referenced by do_sqrtm().