linalg.h File Reference

DoubleVector and DoubleMatrix classes of doubles and operations between them, complexified copies also. More...

#include <vector>
#include "mycomplex.h"
#include "xpr-vector.h"
#include "xpr-matrix.h"
#include "def.h"
#include "utils.h"
#include <iosfwd>
#include <valarray>
#include <sstream>

Go to the source code of this file.

Classes
class	DoubleVector
	DoubleVector is of variable length, and contains double precision. More...
class	DoubleMatrix
	Matrix from 1..rows, 1..cols of double values. More...
class	ComplexVector
	Vector of double complex values. More...
class	ComplexMatrix
	matrix of complex double values dimensions (rows x cols) More...

Functions
std::ostream &	operator<< (std::ostream &left, const DoubleVector &V)
	prints a vector out formatted, maximum of 5 elements per line
std::istream &	operator>> (std::istream &left, DoubleVector &V)
	inputs a vector
std::istream &	operator>> (std::istream &left, DoubleMatrix &M)
std::ostream &	operator<< (std::ostream &left, const DoubleMatrix &V)
DoubleMatrix	rot2d (double theta)
	Returns a 2x2 orthogonal matrix of rotation by angle theta.
DoubleMatrix	rot2dTwist (double theta)
	Returns 2 by 2 orthogonal mixing matrix.
DoubleMatrix	rot3d (double theta)
void	positivise (double thetaL, double thetaR, const DoubleVector &diag, ComplexMatrix &u, ComplexMatrix &v)
	\( u^* A v^+ \) = mdiagpositive More...
void	diagonaliseSvd (DoubleMatrix &a, DoubleVector &w, DoubleMatrix &v)
	Diagonalisation routines.
double	pythagoras (double a, double b)
void	diagonaliseJac (DoubleMatrix &a, int n, DoubleVector &d, DoubleMatrix &v, int *nrot)
void	fillArray (const std::valarray< double > &, double *, unsigned offset=0)
	fill array from valarray, starting at offset
std::ostream &	operator<< (std::ostream &left, const ComplexVector &V)
	Formatted output.
std::istream &	operator>> (std::istream &left, ComplexVector &V)
	Formatted input.
std::istream &	operator>> (std::istream &left, ComplexMatrix &M)
	Formatted input.
std::ostream &	operator<< (std::ostream &left, const ComplexMatrix &V)
	Formatted output.

Detailed Description

DoubleVector and DoubleMatrix classes of doubles and operations between them, complexified copies also.

• Project: SOFTSUSY
• Author: Ben Allanach
• Manual: hep-ph/0104145, Comp. Phys. Comm. 143 (2002) 305
• Webpage: http://projects.hepforge.org/softsusy/

Function Documentation

positivise()

void positivise	(	double	thetaL,
		double	thetaR,
		const DoubleVector &	diag,
		ComplexMatrix &	u,
		ComplexMatrix &	v
	)

\( u^* A v^+ \) = mdiagpositive

Redefines mixing matrices to be complex such that diagonal values are positive for a 2 by 2:

rot3d()

DoubleMatrix rot3d

(

double

theta

)

LCT: Returns a 3x3 orthogonal matrix of rotation by angle theta. Used in rotating CP-odd Higgs matrix